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
- Graves Disease
- Grave's Disease Treatment
- Hyperparathyroidism
- Hyperthyroidism
- Osteoporosis
- Subclinical Hypothyroidism
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
- 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
- Nontoxic Goiter
- Osteoporosis
- Pituitary Adenoma
- Polycystic Ovary Syndrome
- Primary Hyperparathyroidism
- Subclinical Hypothyroidism
- Thyroid Cancer
- Thyroid Goiter
- Thyroid Nodules
- Thyrotoxic Crisis
- Vitamin Deficiency
Procedures I perform
- A1c Testing
- Continuous Glucose Monitoring System
- Cushing's Syndrome Treatment
- Glucose Control Management
- Grave's Disease Treatment
- Growth Hormone Follow-Up
- Hormone Replacement Therapy In Menopause
- Multiple Endocrine Neoplasia (MEN) Testing
- Obesity Treatment
- Oral Medication Therapy For Diabetes
- Osteoporosis Prevention Treatment
- Thyroid Biopsy
- Thyroid Hormone Deficiency Treatment
- Toxic Multinodular Goiter Treatment
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
- Erickson Advantage Plans
- HighMark
- Amerigroup DC Healthy Families
- CareFirst Maryland Point of Service Plan
- United Healthcare Choice Cardiac Global
- Kaiser Permaenete Signature - Added Choice Cardiac Global
- IH-Indemnity
- CareFirst BlueCross BlueShield Advantage Core/Enhanced
- CareFirst Maryland Indemnity or PPO
- Cigna True Choice Plus Medicare (PPO)
- Great-West Healthcare POS/CIGNA
- Optimum Choice Preferred (POS)
- Select HMO/HealthFund/Health Network
- Kaiser Permanente Signature - Added Choice
- United Healthcare Choice Plus
- UHC Passport
- Aetna Classic 5000PD
- Kaiser Permanente Medicare Plus
- Aetna Premier 200PD
- POS OA
- Lasso Healthcare - Medicare Medical Savings Account
- Aetna Student Health Insurance
- CareFirst Administrators
- Aetna Elect Choice/ Open Access (POS)
- HumanaChoice Honor's plan PPO
- Private Health Care Systems (PPO)
- Tricare Reserve Select
- United Student Resources
- TriWest Healthcare Alliance
- Kaiser Permanente Flexible Choice POS Cardiac Global
- Sentara Health
- MedStar Family Choice DC Healthcare Alliance
- Aetna Better Health of VA
- Aetna HMO-Open Access/Select OA/HealthFund/Health Network Option OA
- Choice POS II Open Access
- United Healthcare Select HMO - EPO/NPP
- Optimum Choice & Optimum Choice Preferred (POS) Cardiac Global
- Aetna HMO
- Healthy Blue (HMO, POS)
- HUMANA/Choice Care Medicare Plans (Choice, Gold Choice)
- Fee-for-Service (FFS) District of Columbia, Maryland and Virginia Medicaid
- Alterwood Advanatge HMO & DSNP Plans
- United Healthcare Navigate Cardiac Global
- IH-Network Only Plus
- Anthem BCBS Medi Blue SNP
- Cigna TotalCare (HMO D-SNP)
- TRICARE East Select
- Kaiser Permanente Medicare Advantage Signature and Select
- BCBS Out-of-State Medicare Plans (Blue Advantage)
- IH-HMO
- IH-Open HMO
- Aetna Medicare Advantage PFFS Plan
- BCBS of Michigan (BCN Advantage,Security Blue, Freedom, Medicare PLUS Blue Group PPO)
- CareFirst Blue Card Program
- Kaiser Permanente Signature
- CareFirst FEP Blue Focus
- Humana Medicare Advantage - HMO Open Access
- MedStar Family Choice DC Healthy Families
- MedStar Family Choice - Maryland Health Choice
- Health Services for Children with Special Needs
- TRICARE for Life East
- UnitedHealthcare Medicare Adv. Special Needs Plans
- AmeriHealth Caritas DC Healthcare Alliance
- Johns Hopkins Advantage MD HMO
- First Health PPO
- IH-Open HMO Option
- CareFirst Group Medicare Advantage prescription drug benefit (PPO)
- CIGNA EPO
- Cigna Preferred Medicare (HMO)
- Aetna Open Choice (PPO)
- Anthem BCBS of VA HealthKeepers (HMO)
- UnitedHealthcare Individual Exchange Plans
- HealthyBlue PPO
- United Healthcare Choice Plus Cardiac Global
- Aetna Advantage 6350
- Blue Choice Advantage
- OA Plus
- UnitedHealthcare and AARP Medicare Complete Plans
- Anthem BCBS Medi Blue Plus
- Aetna Classic 3500
- TRICARE East Prime
- Aetna Classic 5000
- CareFirst Federal Employee Program (Std. & Basic PPO)
- Choice Fund PPO
- CareFirst (NCA) Indemnity
- Employee Health Plan
- Mamsi Life & Health (Indem./PPO)
- Options PPO Cardiac Global
- Advantra Platinum (PPO)
- CareFirst MedStar PPO
- Coventry Health Care of Virginia
- Kaiser Permanente Select
- UnitedHealthcare Medicare Advantage DSNP District of Columbia
- Anthem BCBS of VA HealthKeepers (POS & POS OA)
- Coventry of Delaware HMO/PPO
- IH-POS Plus
- Magellan Complete Care of VA - VA Medicaid MCO
- CIGNA HMO & Network (HMO)
- CareFirst Blue Preferred PPO
- Cigna Alliance Medicare (HMO)
- CIGNA Indemnity
- United Healthcare Select Plus (POS)
- Kaiser Permanente Select Cardiac Global
- First Health PPO
- Anthem Federal Employee Program Basic
- Aetna Advantage 5750
- IH-Open POS Plus
- Kaiser Permanente HMO Plus and DHMO Plus Member
- Aetna Basic
- Choice POS
- CIGNA Connect EPO
- CIGNA PPO
- Optimum Choice
- IH-EPO Plus
- Aetna Quality Point of Service (POS)
- Choice Care Network/HUMANA (PPO)
- M.D. IPA Preferred (POS)
- United Healthcare Select HMO-EPO/NPP Cardiac Global
- CareFirst Group Medicare Advantage
- Johns Hopkins Advantage MD PPO
- UHC Group Medicare Advantage Plans (HMO, POS, PPO)
- CIGNA POS/Network POS
- Private Fee-for-Service Plans (PFFS)
- IH-Open Network Only Plus
- IH-PPO
- Kaiser Maryland Medicaid MCO
- Anthem BCBS of VA Key Care POS/PPO/Indemnity
- Anthem Federal Employee Program Standard
- United Healthcare Options (PPO)
- United Healthcare Community Plan - VA Medicaid MCO
- MD IPA (HMO) & MD IPA Preferred Cardiac Global
- CareFirst Blue Choice Opt Out Open Access
- Humana Gold Plus HMO
- Police and Fire Clinic
- Aetna Elect Choice/ EPO (Aetna Health Fund)
- Network OA
- Kaiser Permanente Select - Added Choice
- United Healthcare Choice
- CareFirst Dual Prime HMO-SNP
- WellPoint Maryland - Maryland Health Choice
- Aetna Traditional Choice (PPO)
- Core Essential (HMO)
- Medicare Direct
- Choice POS II
- OCI Direct (HMO)
- NYC Medicare Advantage Plus
- Mamsi Life & Health (Indem./PPO) Cardiac Global
- Anthem BCBS Medi Blue Dual Adv
- Aetna Managed Choice Open Access (POS)
- CareFirst Blue Choice Opt Out Plus Open Access (POS)
- CareFirst Community Health Plan of MD
- MultiPlan, Inc
- Aetna Advantage 6350PD
- Aetna Medicare Advantage HMO & PPO Plans
- United HealthCare Community Plan - Maryland Health Choice Program
- Aetna Signature Administrator PPO/TPA
- Kaiser Permanente Flexible Choice 3-tier POS
- Medicare Advantage - Advantra Value (PPO)
- Medicare FFS
- Beech Street PPO
- IH-POS
- Jai Medical Systems - Maryland Health Choice
- DC/MD SHOP QHP Small Business Plans
- Veterans Affairs Community Care Network
- CIGNA HMO Open Access
- CIGNA PPO Plus
- Aetna Worker's Compensation Network
- Cigna True Choice Medicare (PPO)
- BlueChoice Open Access
- CareFirst NASCO
- Priority Partners - Maryland Health Choice
- Johns Hopkins Advantage MD PLUS PPO
- CareFirst MedStar Select PPO
- CareFirst EPO
- HumanaChoice PPO
- M.D. IPA (HMO)
- Maryland Physicians Care MCO
- Humana Medicare Advantage - PPO
- Optima Family Care MCO - VA Medicaid MCO
- Geisinger Medicare Advantage
- Navigate
- AmeriHealth Caritas DC Healthy Families
- Anthem BCBS of VA HealthKeepers Plus
- Aetna VA Exchange
- Amerigroup DC Alliance
- IH-Open EPO Plus
- CIGNA SureFit (HMO)
- Coventry Health Care National Network PPO
- United Medicare Private Fee-for-Service (PFFS) plans
- Cigna Achieve Medicare (HMO C-SNP)
- Aetna Managed Choice (POS)
- CareFirst BlueChoice HMO
- AMERIVANTAGE/Amerigroup Community Care
- IH-Open POS II
- Aetna Better Health of MD
- Uniformed Services Family Health Plan
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.