Diana S. Sunday, MD| Obstetrics And Gynecology | MedStar Health

Diana S. Sunday, MD
Provider is directly employed by MedStar Health

4.9 out of 5 (798 reviews)

Specialties: Obstetrics And Gynecology

Languages: English

(301) 570-7425

About me

Diana Brill Sunday, MD, specializes in obstetrics and gynecology at MedStar Montgomery Medical Center, providing services to meet the needs of women of all ages, from prenatal and routine gynecologic care to surgical and nonsurgical treatments for a wide range of conditions.

Dr. Sunday earned her medical degree at the University of Virginia School of Medicine followed by a residency in obstetrics and gynecology at the University of Maryland Medical Center. During her residency, she took an interest in training in minimally invasive gynecologic surgery. She is board certified in general obstetrics and gynecology with the American Board of Obstetrics and Gynecology (ABOG) and is a Fellow of the American College of Obstetricians and Gynecologists. (FACOG).

Her professional affiliations currently include memberships with the American College of Obstetrics and Gynecology and the American Medical Association.

Clinical areas of focus

  • Abnormal Pap Smear
  • Colposcopy
  • Endometriosis
  • Fibroids
  • Heavy Menstrual Bleeding
  • Minimally Invasive Gynecologic Surgery
  • Overflow Incontinence Of Urine
  • Pelvic Pain
  • Polycystic Ovary Syndrome
  • Prenatal Care
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Conditions and procedures

Conditions I treat

  • Abdominal Dermoid Cyst
  • Abnormal Pap Smear
  • Abnormalities Of The Uterus
  • Adenocarcinoma In Situ Of The Cervix
  • Adnexal Mass
  • Adolescent Gynecology
  • Advanced Maternal Age
  • Amenorrhea
  • Anemia Of Pregnancy
  • Anovulation
  • Anovulatory Bleeding
  • Arcuate Uterus
  • Asymptomatic Bacteriuria
  • Atrophic Vaginitis
  • Atypical Glandular Cells Of Undetermined Significance
  • Atypical Squamous Cells Of Undetermined Significance On Pap Smear
  • Bacterial Vaginosis
  • Bartholin Gland Cyst
  • Benign Breast Lump
  • Bicornuate Uterus
  • Bladder Prolapse
  • Bleeding During Intercourse
  • Bleeding During Pregnancy
  • Breast Cancer During Pregnancy
  • Breast Lump
  • Breastfeeding Problems
  • Cancer Related Sexual Concerns
  • Cervical Dysplasia
  • Cervical Funneling
  • Cervical Incompetence
  • Cervical Insufficiency
  • Cervical Intraepithelial Neoplasia
  • Cervical Polyp
  • Cervicitis
  • Chlamydia
  • Cholestasis Of Pregnancy
  • Complete Uterovaginal Prolapse
  • Complications From Abortion
  • Condylomata Acuminata
  • Cystitis
  • Cystocele
  • Cystodynia
  • Decreased Libido
  • Delayed Menarche
  • Delayed Puberty
  • Dermoid Cyst
  • Detrusor Instability
  • Dysmenorrhea
  • Dyspareunia
  • Dysuria
  • Ectopic Pregnancy
  • Endometrial Hyperplasia
  • Endometrioma
  • Endometriosis
  • Endometritis
  • Enterocele
  • Fallopian Tube Disorders
  • Family History Of Chromosomal Anomalies
  • Female Genital Problems
  • Female Orgasmic Disorder
  • Female Sexual Dysfunction
  • Fibrocystic Breast Changes
  • Fibroids
  • Follicular Cyst Of Ovary
  • Frequent Urinary Tract Infections
  • Galactocele
  • Genital Herpes
  • Genital Herpes, Female
  • Gonorrhea
  • Gynecologic Disorders Of Athletes
  • Heavy Menstrual Bleeding
  • Hellp Syndrome
  • Hgsil Pap
  • History Of Severe Preeclampsia
  • HIV In Pregnancy
  • Hormone Imbalance
  • Hot Flashes
  • Human Papilloma Virus (HPV)
  • Hydatiform Mole
  • Hydrosalpinx
  • Hyperemesis
  • Hyperprolactinemia
  • Hypertensive Disorders Of Pregnancy
  • Imperforate Hymen
  • Incomplete Emptying Of Bladder
  • Incomplete Uterovaginal Prolapse
  • Increased Libido
  • Infertility
  • Interstitial Cystitis
  • Intrauterine Growth Restriction Fetus
  • Irregular Menstruation
  • Labial Adhesions
  • Labial Hypertrophy
  • Labial Hypoplasia
  • Laceration Of Vagina
  • Lactation Disorders
  • Leiomyoma
  • Lgsil Pap
  • Lichen Sclerosus
  • Liver Disease In Pregnancy
  • Mastitis
  • Mastodynia
  • Maternal Obesity
  • Menometrorrhagia
  • Menopause
  • Menorrhagia
  • Menstrual Disorders
  • Menstrual Disorders In Athletes
  • Menstrual Migraines
  • Menstruation
  • Missed Abortion
  • Missed Periods
  • Morning Sickness
  • Mullerian Anomalies
  • Multiple Gestations
  • Nausea Of Pregnancy
  • Oligomenorrhea
  • Ovarian Cyst
  • Ovarian Endometriosis
  • Ovarian Failure
  • Ovarian Mass
  • Ovarian Torsion
  • Overflow Incontinence Of Urine
  • Paget's Disease Of Vulva
  • Paratubal Cyst
  • Pelvic Abscess
  • Pelvic Adhesions
  • Pelvic Floor Dysfunction
  • Pelvic Inflammatory Disease
  • Pelvic Mass
  • Pelvic Organ Prolapse
  • Pelvic Pain
  • Pelvic Varicose Veins
  • Perimenopause
  • Perinatal Mental Health Disorders
  • Perinatal Mood Disorders
  • Personal History Of Stillbirth
  • Placenta Accreta
  • Placenta Previa
  • Placental Abruption
  • Placental Disorders
  • Polycystic Ovary Syndrome
  • Postcoital Bleeding
  • Postmenopausal Bleeding
  • Postpartum Depression
  • Postpartum Mastitis
  • Postpartum Thyroiditis
  • Preeclampsia
  • Pregnancy
  • Premature Ovarian Failure
  • Premenstrual Dysphoric Disorder
  • Premenstrual Syndrome (PMS)
  • Prenatal Diagnosis
  • Preterm Labor
  • Preterm Premature Rupture Of Membranes
  • Primary Amenorrhea
  • Primary Ovarian Insufficiency
  • Pruritic Urticarial Papules And Plaques Of Pregancy (PUPP)
  • Pudendal Neuralgia
  • Rectocele
  • Rectovaginal Fistula
  • Recurrent Pregnancy Loss
  • Recurrent Urinary Tract Infection
  • Retained Tampon
  • Rh Incompatibility
  • Salpingo-Oophoritis
  • Secondary Amenorrhea
  • Septate Hymen
  • Septate Uterus
  • Severe Preeclampsia
  • Sexual Dysfunction
  • Sexually Transmitted Disease (STD)
  • Sexually Transmitted Diseases In Pregnancy
  • Shortened Cervix
  • Spontaneous Abortion
  • Squamous Intraepithelial Neoplasia
  • Stress Incontinence
  • Teen Pregnancy
  • Third Degree Uterine Prolapse
  • Transverse Vaginal Septum
  • Tubo Ovarian Abscess
  • Twins
  • Unicornuate Uterus
  • Urge Incontinence
  • Urinary Incontinence
  • Urinary Problems
  • Urinary Retention
  • Uterine Anomaly With Pregnancy
  • Uterine Bleeding
  • Uterine Myoma
  • Uterine Polyp
  • Uterine Prolapse
  • Vaginal Abscess
  • Vaginal Agenesis
  • Vaginal Atrophy
  • Vaginal Bleeding
  • Vaginal Bleeding After Hysterectomy
  • Vaginal Candidiasis
  • Vaginal Discharge
  • Vaginal Dryness
  • Vaginal Infections
  • Vaginal Intraepithelial Neoplasia
  • Vaginal Irritation
  • Vaginal Prolapse
  • Vaginal Septum
  • Vaginismus
  • Vaginitis
  • Vulvar Abscess
  • Vulvar Disease
  • Vulvar Dysplasia
  • Vulvitis
  • Vulvodynia
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Procedures I perform

  • Abdominal Cerclage
  • Abortion
  • Abortion Information
  • Antepartum And Postpartum Care
  • Anti Mullerian Hormone (AMH) Testing
  • Bioidentical Hormone Replacement Therapy
  • Biophysical Profile Testing
  • Birth Control
  • Birth Control Counseling
  • Bladder Training
  • Breast Cancer Prevention And Risk Reduction
  • Breast Cancer Screening
  • Breast Examination
  • Breastfeeding Support
  • Cancer Risk Reduction Surgery
  • Cervical Biopsy
  • Cervical Cap Fitting
  • Cervical Cerclage
  • Cervical Conization
  • Cervical Length Assessment
  • Cesarean Section
  • Clomid
  • Cold Knife Cone Biopsy Of Cervix
  • Colpocleisis
  • Colposcopy
  • Contraceptive Implant
  • Contraction Stress Testing
  • Cryotherapy Of The Cervix
  • Da Vinci Hysterectomy
  • Digital Rectal Examination
  • Dilation And Curettage
  • Endometrial Ablation
  • Endometrial Biopsy
  • Family Planning
  • Fetal Non Stress Testing
  • Fetal Ultrasound
  • First Trimester Screening
  • Gynecological Exam
  • Hormone Replacement Therapy
  • Hysterectomy
  • Hysteroscopic Adhesiolysis
  • Hysteroscopic Myomectomy
  • Hysteroscopy
  • In Office Endometrial Ablation
  • In Office Sterilization
  • Intrauterine Device (IUD) Placement
  • Labor And Delivery
  • Lactation Support
  • Laparoscopic Hysterectomy
  • Laparoscopic Lysis Of Peritoneal Adhesions
  • Laparoscopic Myomectomy
  • Laparoscopic Salpingo Oophorectomy
  • Laparoscopic Transabdominal Cerclage
  • Laparoscopy
  • Long Acting Reversible Contraceptive
  • Loop Electrosurgical Excision Procedure
  • Minimally Invasive Gynecologic Surgery
  • Minimally Invasive Hysteroscopy
  • Myomectomy
  • Natural Birth
  • Nexplanon Implant
  • Nexplanon Implant Removal
  • Obliteration Of Vaginal Vault
  • Office Gynecology
  • Oophorectomy
  • Operations On Cul De Sac
  • Oral Contraceptive
  • Oral Contraceptive Counseling
  • Ovarian Cystectomy
  • Pap Smear
  • Partial Hysterectomy
  • Pelvic Floor Exercise
  • Permanent Sterilization
  • Pessary
  • Pop Q Exam
  • Post Partum Check Up
  • Posterior Repair
  • Postpartum Care
  • Preconception Counseling
  • Pregnancy Blood Test
  • Pregnancy Counseling
  • Prenatal Care
  • Prenatal Testing
  • Prenatal Ultrasound Scan
  • Preventative Women Healthcare
  • Prophylactic Oophorectomy
  • Repair Of Cystocele
  • Repair Of Pelvic Prolapse
  • Repair Of Rectocele
  • Reproductive Health
  • Routine Gynecological Care
  • Selective Estrogen Receptor Modulation
  • Single Site Robotic Surgery
  • Single Site Surgery
  • Surgical Sterilization
  • Suture Removal
  • Tubal Ligation
  • Tubal Ligation Reversal
  • Uterine Fibroid Embolization Counseling
  • Uterine Surgery
  • Vaginal Biopsy
  • Vaginal Birth After Caesarean Section
  • Vaginal Delivery
  • Vaginal Hysterectomy
  • Women's Health
  • Zika Virus Testing
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Practice locations

Distance from Change LocationEnter your Location

501 North Frederick Avenue
Suite 202
Gaithersburg, MD, 20877

301-208-2900

Fax 301-208-2908

Get Directions

miles away

Fax 301-208-2908

2415 Musgrove Road
Suite 209
Silver Spring, MD, 20904

301-384-4788

Fax 301-384-4789

Get Directions

miles away

Fax 301-384-4789

18101 Prince Philip Drive
Suite 5100
Olney, MD, 20832

301-570-7424

Fax 301-570-7425

Get Directions

miles away

Fax 301-570-7425

Insurance

MedStar Health accepts most major health insurance plans. If you are uncertain as to whether your individual health insurance plan is accepted at MedStar Health, please call your insurance company.

  • List of insurance plans we accept
    • Blue Choice Advantage & Healthy Blue (HMO, POS)
    • UnitedHealthcare and AARP Medicare Complete Plans/ UHC Group Medicare Advantage Plans HMO, POS, PPO
    • United Healthcare Options (PPO) (includes Empire PPO, GEHA, Compass Rose)
    • UnitedHealthcare Medicare Adv/Special Needs Plans
    • UHC Community Plan of MD
    • Private Health Care Systems (PHCS) (PPO)
    • Medicare Fee for Service
    • Kaiser Virginia Premier
    • Kaiser PermanenteSelect-Added Choice
    • Kaiser Permanente Signature-Added Choice
    • Kaiser Permanente Signature
    • Kaiser Permanente Select
    • Kaiser Permanente Medicare Plus (Medicare Supplemental Plan)
    • Kaiser Permanente Flexible Choice POS
    • Kaiser MD Medicaid MCO
    • Cigna HealthSpring Medicare Advantage
    • CFBCBS Federal Employee Program (Std/Basic PPO/Blue Focus)
    • CFBCBS EPO
    • Aetna Better Health of Maryland
    • Aetna Innovations: HMO & EPO Plus
    • Select HMO/HealthFund/Health Network
    • Aetna HMO
    • Open POS II
    • Innovation Health: Open POS Plus
    • Choice POS & Choice POS II
    • Aetna Managed Choice Open Access (POS)
    • Open EPO Plus
    • Opoen HMO Option
    • Open HMO
    • Innovation Health: POS
    • Aetna HMO-Open Access/Select OA/HealthFund/Health Network Option OA
    • Innovation Health: Open Network Only Plus
    • Aetna Elect Choice/ Open Access (POS)
    • Innovation Health: POS Plus
    • Aetna Managed Choice (POS)
    • Innovation Health: PPO
    • Aetna Open Choice (PPO)
    • Innovation Health: Indemnity
    • Aetna Traditional Choice (PPO)
    • BlueChoice Open Access
    • CFBCBS Blue Choice Opt Out Open Access
    • HealthyBlue PPO
    • CFBSBC Blue Preferred PPO
    • Choice Fund PPO
    • PPO and PPO Plus
    • CIGNA EPO
    • POS OA & OA Plus
    • Network OA
    • CIGNA HMO Open Access (OA)
    • United Healthcare Choice
    • Coventry Health Care National Network PPO
    • Great-West Healthcare POS/CIGNA
    • CIGNA POS/Network POS
    • Optimum Choice Preferred (POS) & OCI Direct (HMO)
    • Aetna Quality Point of Service (POS)
    • Coventry of Delaware HMO/PPO
    • M.D. IPA (HMO)
    • Coventry Health Care of Virginia
    • CFBCBS Blue Choice Opt Out Plus Open Access (POS)
    • Aetna Medicare Advantage HMO & PPO Plans
    • Aetna Worker's Compensation Network
    • CFBCBS Maryland Indemnity or PPO
    • FIRST HEALTH
    • United Healthcare Choice Plus
    • CIGNA Indemnity
    • Aetna Student Health Insurance
    • United Student Resources
    • MedStar Family Choice - Maryland Health Choice
    • CFBCBS BlueChoice HMO
    • United Healthcare Select Plus (POS)
    • Aetna Elect Choice/ EPO (Aetna Health Fund) Innovation Health: Network Only Plus
    • Tricare Prime
    • M.D. IPA Preferred (POS)
    • Tricare for Life (Medicare Supplemental Plan)
    • CFBCBS Maryland Point of Service Plan (MPOS)
    • Mamsi Life & Health (Indem./PPO)
    • First Health PPO
    • CFBCBS (NCA) Indemnity
    • MedStar Select (MedStar Associates' Plan)
    • CIGNA HMO & Network (HMO)
    • United Healthcare Select HMO - EPO/NPP

Videos

Education

Board Certification: American Board of Obstetrics and Gynecology, Obstetrics and Gynecology

Residency Program: University of Maryland Medical Center (2016)

Medical School: University of Virginia School of Medicine (2012)

Hospital affiliations

Ratings and reviews

  • Explanations the care provider gave you about your problem or condition

    4.9
  • Extent to which the care provider listened to you

    4.9
  • Care provider's discussion of any proposed treatment (options, risks, benefits, etc.)

    4.9
  • Care provider's efforts to include you in decisions about your care

    4.9
  • Concern the care provider showed for your questions or worries

    4.9
  • Likelihood of recommending this care provider to others

    4.8
  • Dec 7, 2023

    It felt rushed and I don't blame my doctor.

  • Dec 1, 2023

    Everything was good.

  • Nov 17, 2023

    First visit with Dr Sunday and I appreciate her bedside manner!