Thaddeus Demetrius Mamienski, DO| Obstetrics And Gynecology | MedStar Health
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Thaddeus Demetrius Mamienski

Thaddeus Demetrius Mamienski, DO
Provider is directly employed by MedStar Health

4.9 out of 5 (135 reviews)

Specialties: Obstetrics And Gynecology

Languages: English

Clinical areas of focus

  • Pregnancy
  • Uterine Fibroids
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Conditions and procedures

Conditions I treat

  • Abnormal Breast Imaging
  • Abnormal Products Of Conception
  • Abnormal Urine Test Results
  • Abnormal Vaginal Bleeding
  • Abnormal Vaginal Discharge
  • Acquired Absence Of Female Genital Organs
  • Acute Pelvic Pain
  • Adnexal Masses
  • Bartholin's Gland Diseases
  • Breast Disorders
  • Breast Lump
  • Breast Lump And Breast Cancer Screening
  • Candidiasis
  • Cervical Cancer
  • Cervical Cancer Screening
  • Cervical Dysplasia
  • Cervix Uteri Disorders
  • Colposcopy Examination
  • Complications Of The Puerperium
  • Cystitis
  • Cystocele
  • Decreased Libido
  • Diabetes In Pregnancy
  • Disorders Of Amniotic Fluid And Membranes
  • Dysmenorrhea
  • Early Pregnancy Loss
  • False Labor
  • False Positive Pap Smear
  • Female Genital Pain
  • Female Genital Tract Polyp
  • Female Infertility
  • Female Pelvic Inflammatory Disease
  • Female Urethral Stricture
  • Fetal Stress
  • Genitourinary Symptoms
  • Gestational Hypertension
  • Herpes
  • High Risk Pregnancy
  • Hpv (HUMAN PAPILLOMAVIRUS)
  • Hyperemesis Gravidarum
  • Hypertension In Pregnancy, Including Preeclampsia
  • Infertility
  • Irregular Menstruation
  • Late Pregnancy
  • Late Pregnancy Complications
  • Leiomyoma Of Uterus
  • Maternal Care For Fetal Problems
  • Maternal Diseases
  • Menopause
  • Menstrual Disorders
  • Miscarriage
  • Morning Sickness
  • Multiple Gestations
  • Ovarian Cancer
  • Ovarian Cysts
  • Ovarian Cysts And Benign Neoplasms
  • Ovarian Dysfunction
  • Ovary, Fallopian Tube And Broad Ligament Disorders
  • Pelvic Organ Prolapse
  • Placental Disorders
  • Polycystic Ovary Syndrome
  • Postpartum Depression
  • Postpartum Hemorrhage
  • Pregnancy
  • Pregnancy Hemorrhage
  • Pregnancy Hemorrhage And Placenta Previa
  • Pregnant State
  • Premature Rupture Of Membranes
  • Preterm Labor
  • Sexually Transmitted Diseases
  • Spontaneous Abortion
  • Tubal Pregnancy
  • Uterine And Vaginal Bleeding Abnormalities
  • Uterine Fibroids
  • Uterine Infections
  • Uterine Prolapse
  • Uti (URINARY TRACT INFECTION) During Pregnancy
  • Vagina And Vulva Inflammation And Infections
  • Vulva And Perineum Disorders
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Procedures I perform

  • Adhesiolysis
  • Amniocentesis
  • Birth Control
  • Cervical Biopsy
  • Cervical Cancer
  • Cervical Cryotherapy
  • Cesarean Delivery
  • Chorionic Villus Sampling
  • Colposcopy
  • Cone Biopsy
  • Contraceptive Device Insertion
  • C-Section
  • Cystometrogram
  • Delivery With Forceps
  • Delivery With Vacuum Extraction
  • Electrodesiccation And Curettage
  • Endometrial Ablation
  • Endometrial Biopsy
  • Episiotomy
  • Fetal Monitoring
  • Genetic Counseling
  • Genitourinary Fistula Treatment
  • Hormone Replacement Therapy
  • Intestinal Reconstruction
  • Laparoscopic Hysterectomy
  • Mammography
  • Menstrual Disorder Treatment
  • Natural Childbirth
  • Oophorectomy
  • Ovarian Cyst Removal
  • Pap Smear
  • Pelvic Exam
  • Polycystic Ovary Syndrome Treatment
  • Pregnancy Test
  • Pregnancy Ultrasound
  • Pregnancy With Uterine Rupture
  • Prenatal Care
  • Recurrent Miscarriage Treatment
  • Robotic Surgery
  • Salpingo-Oophorectomy
  • Sonohysterography
  • Uterine Ablation
  • Uterine Fibroid Embolization
  • Vaginal Contraceptive Ring Removal
  • Vaginal Laser Rejuvenation
  • Vulvar Biopsy
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Practice locations

Distance from Change Location Enter your Location

2415 Musgrove Rd
Ste 209
Silver Spring, MD, 20904

301-384-4788
Get Directions

miles away

Fax 301-384-4789

41680 Miss Bessie Dr
Ste 102
Leonardtown, MD, 20650

301-997-1788
Get Directions

miles away

Fax 301-997-1790

7503 Surratts Rd
Clinton, MD, 20735

301-877-4360
Get Directions

miles away

Fax 301-877-9690

18101 Prince Philip Dr
Ste 5100
Olney, MD, 20832

301-570-7424
Get Directions

miles away

Fax 301-570-7425

501 N Frederick Rd
Ste 202
Gaithersburg, MD, 20877

301-208-2900
Get Directions

miles away

Fax 301-208-2908

Insurance

This list represents the major payors accepted by MedStar Health.

NOTE: Payor contracts change and not all plans associated with a payor may be covered. Payors may offer multiple plans. If you have a question related to your insurance, please contact your insurance plan directly. Contact information is located on your health insurance ID card.

*Denotes limited participation. Specific providers and practices may NOT be participating. Please contact your insurance plan directly.

  • List of insurance plans we accept
    • Aetna
    • CareFirst BlueCross BlueShield of Maryland
    • Cigna Health Care
    • Kaiser Permanente*
    • MedStar Select (Administered by CareFirst)
    • United HealthCare
    • Aetna
    • CareFirst BlueCross BlueShield of Maryland
    • Healthspring
    • Humana
    • Medicare & Railroad Medicare
    • United HealthCare
    • Aetna Better Health of Maryland *
    • Medical Assistance/Medicaid
    • MedStar Family Choice MD
    • Priority Partners *
    • United HealthCare Community Health Plan MD
    • Wellpoint MD
    • AmeriHealth Caritas
    • Health Services For Children With Special Needs (HSCSN)
    • Medical Assistance/Medicaid
    • MedStar Family Choice DC
    • Johns Hopkins Employer Health Programs *
    • Johns Hopkins US Family Health Plan *
    • MultiPlan
    • Private Healthcare Systems
    • Tricare/Humana Military
    • VA Community Care Network (VACCN)

Education

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

Residency: National Naval Medical Center (2009)

Medical School: Philadelphia College of Osteopathic Medicine (2005)

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

    5
  • Care provider’s discussion of any proposed treatment (options, risks, benefits, etc.)

    4.9
  • Provider included you in decisions

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

    4.9
  • Likelihood of recommending this care provider to others

    4.9
  • Apr 17, 2026

    I felt the provider was kind, respectful, and took time to explain issues and options. Highly recommend

  • Feb 1, 2026

    Dr. Thaddeus Mamienski a doctor who generates confidence and gives you good treatment my experience was excellent with my doctor

  • Jan 30, 2026

    He seemed very caring and understanding. After a few recent experiences with receiving subpar care, this was really comforting.