Paul A. Sack, MD| Endocrinology Diabetes and Metabolism, Internal Medicine | MedStar Health
About me
Paul A. Sack, MD, has been at MedStar Union Memorial Hospital since 2005 after completing his medical training at the University of Maryland, School of Medicine. He is the Chief in the Division of Endocrinology and Metabolism at MedStar Union Memorial Hospital and Good Samaritan Hospital as well as the MedStar Regional Director for Endocrinology in Baltimore. He served as the Chief of the Medical Staff at MedStar Union Memorial Hospital from 2022-2025. He is involved in patient care, clinical research, and the education of medical students, residents, and endocrinology fellows.
Dr. Sack's clinical interests include the management of Type 1 and Type 2 Diabetes, Thyroid Disease, Adrenal Disorders, and Pituitary Diseases. He performs diagnostic thyroid and parathyroid ultrasounds and performs fine needle aspiration of thyroid nodules.
Dr. Sack previously served on the Community Leadership Board for the Maryland Chapter of the American Diabetes Association from 2017-2024. He joined the MedStar Union Memorial Hospital Board of Directors in 2026
Dr. Sack has been named a Top Doctor in Baltimore magazine for Diabetes Care in 2013, 2016, 2017, 2019, 2020, and 2021.
Clinical areas of focus
- Cushing's Syndrome Treatment
- Enterectomy
- Graves Disease
- Grave's Disease Treatment
- Hyperparathyroidism
- Hyperthyroidism
- Osteoporosis
- Subclinical Hypothyroidism
- Thyroid Storm Surgery
Conditions and procedures
Conditions I treat
- Adrenal Crisis
- Adrenal Gland Disorders (E.G. CUSHING'S SYNDROME, PHEOCHROMOCYTOMA)
- Adrenal Tumor
- Bone Density Disorder
- Cardiometabolic Disorders
- Cushing Syndrome
- Diabetes In Pregnancy
- Diabetes Mellitus Type 2
- Disorders Of Pituitary Gland
- Disorders Of Thyroid
- Family History Of Malignant Neoplasm
- Gallbladder Disease
- Gestational Diabetes
- Grave's Disease
- High Cholesterol
- Hormonal Imbalance
- Hyperaldosteronism
- Hyperfunction Of Pituitary Gland
- Hyperparathyroidism
- Hyperthyroidism
- Hypocalcemia
- Hypoparathyroidism
- Low Testosterone Levels
- Malignant Neoplasm Of Endocrine Glands
- Malignant Neuroendocrine Tumors
- Nontoxic Goiter
- Osteoporosis
- Pituitary Adenoma
- Poisoning
- Polycystic Ovary Syndrome
- Postprocedural Complications
- Primary Hyperparathyroidism
- Subclinical Hypothyroidism
- Thyroid Cancer
- Thyroid Goiter
- Thyroid Nodules
- Thyrotoxic Crisis
- Vitamin Deficiency
Procedures I perform
- A1c Testing
- Celiac Plexus Block
- Continuous Glucose Monitoring System
- Cushing's Syndrome Treatment
- Dopamine Therapy
- Enterectomy
- Glucose Control Management
- Grave's Disease Treatment
- Growth Hormone Follow-Up
- Hormone Replacement Therapy In Menopause
- Lymphocytosis Treatment
- Menopausal Libido Decrease Treatment
- Multiple Endocrine Neoplasia (MEN) Testing
- Obesity Treatment
- One-On-One Diabetes Education
- Oral Medication Therapy For Diabetes
- Osteoporosis Prevention Treatment
- Parathyroid Tumor Surgery
- Pregnancy-Related Hirsutism Management
- Testicular Ultrasound
- Thyroid Biopsy
- Thyroid Hormone Deficiency Treatment
- Thyroid Storm Surgery
- Toxic Multinodular Goiter Treatment
- Transitional Cell Carcinoma Treatment
- Urinary Incontinence Treatment
- Vocal Cord Nodules Treatment
- Weight Management Program
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.
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List of insurance plans we accept
- IH-Open EPO Plus
- CareFirst (NCA) Indemnity
- CIGNA HMO Open Access
- Cigna TotalCare (HMO D-SNP)
- Aetna Elect Choice/ EPO (Aetna Health Fund)
- Mamsi Life & Health (Indem./PPO) Cardiac Global
- CIGNA SureFit (HMO)
- Kaiser Permanente Select - Added Choice
- Medicare FFS
- MD IPA (HMO) & MD IPA Preferred Cardiac Global
- Aetna HMO
- United Healthcare Choice Plus Cardiac Global
- UHC Group Medicare Advantage Plans (HMO, POS, PPO)
- OA Plus
- Cigna Preferred Medicare (HMO)
- Geisinger Medicare Advantage
- IH-Open HMO
- Aetna Classic 3500
- Tricare Reserve Select
- CareFirst EPO
- Cigna Alliance Medicare (HMO)
- CareFirst Blue Choice Opt Out Open Access
- IH-Open POS Plus
- Anthem Federal Employee Program Basic
- Healthy Blue (HMO, POS)
- Core Essential (HMO)
- IH-Open HMO Option
- CareFirst Maryland Point of Service Plan
- Choice Fund PPO
- Erickson Advantage Plans
- Magellan Complete Care of VA - VA Medicaid MCO
- CareFirst NASCO
- Beech Street PPO
- IH-HMO
- IH-Network Only Plus
- CareFirst Blue Choice Opt Out Plus Open Access (POS)
- UHC Passport
- Fee-for-Service (FFS) District of Columbia, Maryland and Virginia Medicaid
- IH-Indemnity
- Aetna Advantage 6350
- Great-West Healthcare POS/CIGNA
- BlueChoice Open Access
- M.D. IPA Preferred (POS)
- CareFirst MedStar PPO
- First Health PPO
- BCBS Out-of-State Medicare Plans (Blue Advantage)
- Aetna Advantage 6350PD
- Aetna Signature Administrator PPO/TPA
- Aetna Medicare Advantage PFFS Plan
- Aetna Worker's Compensation Network
- HUMANA/Choice Care Medicare Plans (Choice, Gold Choice)
- Humana Medicare Advantage - PPO
- Cigna Achieve Medicare (HMO C-SNP)
- Johns Hopkins Advantage MD PLUS PPO
- Aetna Advantage 5750
- Anthem BCBS of VA Key Care POS/PPO/Indemnity
- Anthem Federal Employee Program Standard
- Coventry Health Care of Virginia
- Private Health Care Systems (PPO)
- HighMark
- Aetna Premier 200PD
- Medicare Direct
- CareFirst Administrators
- United Healthcare Community Plan - VA Medicaid MCO
- Kaiser Permanente Flexible Choice POS Cardiac Global
- Kaiser Permanente Select
- Choice POS II Open Access
- CIGNA EPO
- Kaiser Permanente HMO Plus and DHMO Plus Member
- Lasso Healthcare - Medicare Medical Savings Account
- Coventry Health Care National Network PPO
- HumanaChoice Honor's plan PPO
- Uniformed Services Family Health Plan
- Aetna HMO-Open Access/Select OA/HealthFund/Health Network Option OA
- HealthyBlue PPO
- Aetna Managed Choice (POS)
- United Healthcare Choice Cardiac Global
- Aetna Better Health of VA
- Network OA
- CareFirst BlueCross BlueShield Advantage Core/Enhanced
- MedStar Family Choice DC Healthy Families
- Alterwood Advanatge HMO & DSNP Plans
- Aetna Open Choice (PPO)
- CareFirst FEP Blue Focus
- Coventry of Delaware HMO/PPO
- Aetna Managed Choice Open Access (POS)
- POS OA
- Humana Medicare Advantage - HMO Open Access
- United Healthcare Choice
- CareFirst Group Medicare Advantage prescription drug benefit (PPO)
- United Healthcare Select Plus (POS)
- NYC Medicare Advantage Plus
- CIGNA Connect EPO
- M.D. IPA (HMO)
- Anthem BCBS Medi Blue Dual Adv
- CIGNA Indemnity
- Private Fee-for-Service Plans (PFFS)
- Cigna True Choice Medicare (PPO)
- MedStar Family Choice DC Healthcare Alliance
- United Medicare Private Fee-for-Service (PFFS) plans
- Anthem BCBS of VA HealthKeepers (POS & POS OA)
- Aetna Classic 5000
- CareFirst Federal Employee Program (Std. & Basic PPO)
- IH-PPO
- AmeriHealth Caritas DC Healthy Families
- Johns Hopkins Advantage MD HMO
- Anthem BCBS Medi Blue Plus
- Employee Health Plan
- CareFirst Blue Preferred PPO
- United Healthcare Choice Plus
- United Healthcare Select HMO-EPO/NPP Cardiac Global
- Choice POS II
- MultiPlan, Inc
- Aetna Traditional Choice (PPO)
- Aetna Classic 5000PD
- IH-POS
- Aetna Elect Choice/ Open Access (POS)
- Blue Choice Advantage
- CareFirst Group Medicare Advantage
- CIGNA HMO & Network (HMO)
- Mamsi Life & Health (Indem./PPO)
- First Health PPO
- UnitedHealthcare Medicare Adv. Special Needs Plans
- Amerigroup DC Healthy Families
- United Healthcare Select HMO - EPO/NPP
- BCBS of Michigan (BCN Advantage,Security Blue, Freedom, Medicare PLUS Blue Group PPO)
- CareFirst Dual Prime HMO-SNP
- CIGNA POS/Network POS
- MedStar Family Choice - Maryland Health Choice
- IH-Open POS II
- CIGNA PPO Plus
- IH-POS Plus
- Anthem BCBS of VA HealthKeepers Plus
- Kaiser Permanente Signature
- Optimum Choice Preferred (POS)
- Advantra Platinum (PPO)
- Police and Fire Clinic
- Choice Care Network/HUMANA (PPO)
- Aetna Medicare Advantage HMO & PPO Plans
- Kaiser Permanente Select Cardiac Global
- Kaiser Permanente Signature - Added Choice
- AMERIVANTAGE/Amerigroup Community Care
- UnitedHealthcare and AARP Medicare Complete Plans
- CareFirst BlueChoice HMO
- TRICARE East Select
- CareFirst Blue Card Program
- HumanaChoice PPO
- Select HMO/HealthFund/Health Network
- UnitedHealthcare Medicare Advantage DSNP District of Columbia
- TRICARE for Life East
- Anthem BCBS of VA HealthKeepers (HMO)
- AmeriHealth Caritas DC Healthcare Alliance
- Optimum Choice
- IH-EPO Plus
- United Healthcare Options (PPO)
- TriWest Healthcare Alliance
- IH-Open Network Only Plus
- Sentara Health
- Optima Family Care MCO - VA Medicaid MCO
- Cigna True Choice Plus Medicare (PPO)
- Choice POS
- Aetna Student Health Insurance
- Jai Medical Systems - Maryland Health Choice
- Options PPO Cardiac Global
- Health Services for Children with Special Needs
- WellPoint Maryland - Maryland Health Choice
- Kaiser Permanente Medicare Advantage Signature and Select
- Aetna Better Health of MD
- OCI Direct (HMO)
- Amerigroup DC Alliance
- CIGNA PPO
- TRICARE East Prime
- Kaiser Permaenete Signature - Added Choice Cardiac Global
- Kaiser Maryland Medicaid MCO
- United HealthCare Community Plan - Maryland Health Choice Program
- DC/MD SHOP QHP Small Business Plans
- Priority Partners - Maryland Health Choice
- UnitedHealthcare Individual Exchange Plans
- Aetna Basic
- United Healthcare Navigate Cardiac Global
- CareFirst Maryland Indemnity or PPO
- Aetna VA Exchange
- CareFirst Community Health Plan of MD
- United Student Resources
- Kaiser Permanente Flexible Choice 3-tier POS
- Veterans Affairs Community Care Network
- Medicare Advantage - Advantra Value (PPO)
- Anthem BCBS Medi Blue SNP
- Johns Hopkins Advantage MD PPO
- Optimum Choice & Optimum Choice Preferred (POS) Cardiac Global
- Navigate
- Aetna Quality Point of Service (POS)
- Maryland Physicians Care MCO
- Humana Gold Plus HMO
- Kaiser Permanente Medicare Plus
- CareFirst MedStar Select PPO
Videos
Education
Board Certification: American Board of Internal Medicine, Endocrinology, Diabetes and Metabolism
Fellowship: University of Maryland Medical Center (2005)
Residency: University of Maryland Medical Center (2003)
Medical School: University of Maryland School of Medicine (2000)
Awards
- 2013, 2016, 2017, 2019, 2020, 2021 Top Doctor, Baltimore magazine
Hospital affiliations
News and publications
- Damcott CM, Sack P, Shuldiner AR. The genetics of obesity. Endocrinology & Metabolism Clinics of North America. 32(4):761-86, 2003 Dec.
- Streeten ES, Mohamed A, Ghandi A, Orwig D, Sack P, Sterling R, Pellegrini VD. The Inpatient Consultation Approach to Osteoporosis Treatment in Patients with Fracture. Is Automatic Consultation Needed? The Journal of Bone and Joint Surgery. 88:1968-1974, 2006.
- Post W, Shen H, Damcott C, Arking DE, Kao WHL, Sack PA, Ryan KA, Chakravarti A, Mitchell BD, Shuldiner AR. Associations between Genetic Variants in the NOS1AP (CAPON) Gene and Cardiac Repolarization in the Old Order Amish. Human Heredity. 64: 214-219, 2007.
- Roy-Gagnon MH. Weir MR. Sorkin JD. Ryan KA. Sack PA. Hines S. Bielak LF. Peyser PA. Post W. Mitchell BD. Shuldiner AR. Douglas JA. Genetic influences on blood pressure response to the cold pressor test: results from the Heredity and Phenotype Intervention Heart Study. [Journal Article. Research Support, N.I.H., Extramural. Research Support, Non-U.S. Gov't. Research Support, U.S. Gov't, Non-P.H.S.] Journal of Hypertension. 26(4):729-36, 2008 Apr.
- Mitchell BD. McArdle PF. Shen H. Rampersaud E. Pollin TI. Bielak LF. Jaquish C. Douglas JA. Roy-Gagnon MH. Sack P. Naglieri R. Hines S. Horenstein RB. Chang YP. Post W. Ryan KA. Brereton NH. Pakyz RE. Sorkin J. Damcott CM. O'Connell JR. Mangano C. Corretti M. Vogel R. Herzog W. Weir MR. Peyser PA. Shuldiner AR. The genetic response to short-term interventions affecting cardiovascular function: rationale and design of the Heredity and Phenotype Intervention (HAPI) Heart Study. [Journal Article. Research Support, N.I.H., Extramural. Research Support, Non-U.S. Gov't] American Heart Journal. 155(5):823-8, 2008 May.
- Evadnie Rampersaud, MSPH, PhD; Braxton D. Mitchell, PhD; Toni I. Pollin, PhD; Mao Fu, PhD; Haiqing Shen, PhD; Jeffery R. O’Connell, PhD; Julie L. Ducharme, MD; Scott Hines, MD; Paul Sack, MD; Rosalie Naglieri, MD; Alan R. Shuldiner, MD; Soren Snitker, MD, PhD. Physical Activity and the Association of Common FTO Gene Variants With Body Mass Index and Obesity. Arch Intern Med. 2008;168(16):1791-1797.
- Streeten EA. McBride D. Puffenberger E. Hoffman ME. Pollin TI. Donnelly P. Sack P. Morton H. Osteoporosis-pseudoglioma syndrome: description of 9 new cases and beneficial response to Bisphosphonates. Bone. 43(3):584-90, 2008 Sep.
- Shen H. Herzog W. Drolet M. Pakyz R. Newcomer S. Sack P. Karon H. Ryan KA. Zhao Y. Shi X. Mitchell BD. Shuldiner AR. Aspirin Resistance in healthy drug-naive men versus women (from the Heredity and Phenotype Intervention Heart Study). American Journal of Cardiology. 104(4):606-12, 2009 Aug 15.
- Elena Forouhar and Paul Sack. Non-traditional therapies for diabetes: Fact or Fiction? Journal of Community Hospital Internal Medicine Perspectives. 2(2), 2012 July 16.
- Elena Forouhar and Paul Sack. Non-traditional therapies for diabetes: Fact or Fiction? Journal of Community Hospital Internal Medicine Perspectives. 2(2), 2012 July 16.