Paul A. Sack, MD| Internal Medicine, Endocrinology Diabetes and Metabolism | 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
- Maryland Physicians Care MCO
- Aetna Basic
- Aetna HMO
- Coventry of Delaware HMO/PPO
- OCI Direct (HMO)
- United Healthcare Select HMO-EPO/NPP Cardiac Global
- IH-Indemnity
- Aetna Medicare Advantage HMO & PPO Plans
- MultiPlan, Inc
- United Student Resources
- Choice Fund PPO
- Aetna Managed Choice (POS)
- AMERIVANTAGE/Amerigroup Community Care
- Aetna Elect Choice/ Open Access (POS)
- TriWest Healthcare Alliance
- Aetna Advantage 6350
- CIGNA EPO
- Johns Hopkins Advantage MD HMO
- IH-Open POS Plus
- Alterwood Advanatge HMO & DSNP Plans
- Kaiser Permanente Flexible Choice POS Cardiac Global
- UnitedHealthcare Medicare Adv. Special Needs Plans
- Aetna Signature Administrator PPO/TPA
- CareFirst Federal Employee Program (Std. & Basic PPO)
- Options PPO Cardiac Global
- UHC Passport
- Geisinger Medicare Advantage
- Aetna Advantage 6350PD
- Priority Partners - Maryland Health Choice
- Kaiser Permanente Select - Added Choice
- Kaiser Permanente HMO Plus and DHMO Plus Member
- Aetna Classic 3500
- CareFirst Blue Choice Opt Out Plus Open Access (POS)
- Optimum Choice Preferred (POS)
- CIGNA Connect EPO
- United Healthcare Select HMO - EPO/NPP
- MedStar Family Choice DC Healthcare Alliance
- BCBS of Michigan (BCN Advantage,Security Blue, Freedom, Medicare PLUS Blue Group PPO)
- CareFirst Maryland Point of Service Plan
- Optima Family Care MCO - VA Medicaid MCO
- Aetna Quality Point of Service (POS)
- CareFirst Blue Choice Opt Out Open Access
- CareFirst MedStar Select PPO
- Coventry Health Care National Network PPO
- Optimum Choice
- HumanaChoice Honor's plan PPO
- United Healthcare Options (PPO)
- Blue Choice Advantage
- Employee Health Plan
- United Healthcare Community Plan - VA Medicaid MCO
- Aetna Student Health Insurance
- Humana Medicare Advantage - PPO
- CIGNA SureFit (HMO)
- UnitedHealthcare and AARP Medicare Complete Plans
- First Health PPO
- Aetna Elect Choice/ EPO (Aetna Health Fund)
- Advantra Platinum (PPO)
- Amerigroup DC Healthy Families
- Aetna Medicare Advantage PFFS Plan
- Aetna Worker's Compensation Network
- Network OA
- Humana Medicare Advantage - HMO Open Access
- Anthem Federal Employee Program Standard
- Johns Hopkins Advantage MD PPO
- Anthem BCBS of VA Key Care POS/PPO/Indemnity
- IH-Open POS II
- IH-HMO
- Choice POS II Open Access
- Anthem BCBS Medi Blue SNP
- CareFirst FEP Blue Focus
- HUMANA/Choice Care Medicare Plans (Choice, Gold Choice)
- Great-West Healthcare POS/CIGNA
- HumanaChoice PPO
- Kaiser Permanente Select
- CIGNA Indemnity
- Optimum Choice & Optimum Choice Preferred (POS) Cardiac Global
- DC/MD SHOP QHP Small Business Plans
- Amerigroup DC Alliance
- United Healthcare Select Plus (POS)
- UnitedHealthcare Medicare Advantage DSNP District of Columbia
- IH-Open HMO
- Anthem BCBS of VA HealthKeepers Plus
- CareFirst (NCA) Indemnity
- CIGNA HMO Open Access
- OA Plus
- Kaiser Permanente Medicare Advantage Signature and Select
- Coventry Health Care of Virginia
- Tricare Reserve Select
- Aetna Premier 200PD
- AmeriHealth Caritas DC Healthy Families
- United Healthcare Choice Cardiac Global
- AmeriHealth Caritas DC Healthcare Alliance
- United HealthCare Community Plan - Maryland Health Choice Program
- CareFirst Blue Preferred PPO
- Fee-for-Service (FFS) District of Columbia, Maryland and Virginia Medicaid
- Cigna TotalCare (HMO D-SNP)
- IH-POS Plus
- First Health PPO
- Anthem BCBS of VA HealthKeepers (HMO)
- CareFirst Administrators
- Medicare Advantage - Advantra Value (PPO)
- MedStar Family Choice - Maryland Health Choice
- IH-EPO Plus
- United Healthcare Choice
- Kaiser Permaenete Signature - Added Choice Cardiac Global
- Choice Care Network/HUMANA (PPO)
- Kaiser Permanente Signature - Added Choice
- Private Health Care Systems (PPO)
- Private Fee-for-Service Plans (PFFS)
- Medicare FFS
- Aetna Advantage 5750
- Beech Street PPO
- CareFirst BlueChoice HMO
- Healthy Blue (HMO, POS)
- WellPoint Maryland - Maryland Health Choice
- Health Services for Children with Special Needs
- Mamsi Life & Health (Indem./PPO)
- Humana Gold Plus HMO
- United Medicare Private Fee-for-Service (PFFS) plans
- Anthem BCBS Medi Blue Plus
- Cigna Achieve Medicare (HMO C-SNP)
- TRICARE East Prime
- Kaiser Permanente Flexible Choice 3-tier POS
- Kaiser Permanente Medicare Plus
- CareFirst MedStar PPO
- United Healthcare Choice Plus Cardiac Global
- UnitedHealthcare Individual Exchange Plans
- TRICARE for Life East
- IH-Network Only Plus
- CareFirst Blue Card Program
- CIGNA HMO & Network (HMO)
- Lasso Healthcare - Medicare Medical Savings Account
- Aetna Traditional Choice (PPO)
- POS OA
- HighMark
- MD IPA (HMO) & MD IPA Preferred Cardiac Global
- Aetna Better Health of MD
- Cigna Alliance Medicare (HMO)
- United Healthcare Navigate Cardiac Global
- NYC Medicare Advantage Plus
- CareFirst Maryland Indemnity or PPO
- Aetna Classic 5000PD
- M.D. IPA Preferred (POS)
- CareFirst Group Medicare Advantage
- Cigna Preferred Medicare (HMO)
- CareFirst NASCO
- CareFirst BlueCross BlueShield Advantage Core/Enhanced
- CareFirst Community Health Plan of MD
- CareFirst EPO
- Police and Fire Clinic
- CareFirst Group Medicare Advantage prescription drug benefit (PPO)
- M.D. IPA (HMO)
- Erickson Advantage Plans
- Core Essential (HMO)
- Kaiser Permanente Select Cardiac Global
- Aetna Open Choice (PPO)
- Aetna Better Health of VA
- Magellan Complete Care of VA - VA Medicaid MCO
- Kaiser Permanente Signature
- Choice POS II
- Kaiser Maryland Medicaid MCO
- Uniformed Services Family Health Plan
- Cigna True Choice Medicare (PPO)
- IH-Open HMO Option
- TRICARE East Select
- Veterans Affairs Community Care Network
- Aetna Classic 5000
- Johns Hopkins Advantage MD PLUS PPO
- Medicare Direct
- Anthem Federal Employee Program Basic
- CIGNA PPO Plus
- Cigna True Choice Plus Medicare (PPO)
- UHC Group Medicare Advantage Plans (HMO, POS, PPO)
- Mamsi Life & Health (Indem./PPO) Cardiac Global
- MedStar Family Choice DC Healthy Families
- Select HMO/HealthFund/Health Network
- CareFirst Dual Prime HMO-SNP
- Navigate
- BCBS Out-of-State Medicare Plans (Blue Advantage)
- IH-Open Network Only Plus
- Aetna Managed Choice Open Access (POS)
- CIGNA PPO
- Jai Medical Systems - Maryland Health Choice
- Choice POS
- IH-PPO
- IH-POS
- CIGNA POS/Network POS
- Aetna VA Exchange
- Aetna HMO-Open Access/Select OA/HealthFund/Health Network Option OA
- HealthyBlue PPO
- Anthem BCBS Medi Blue Dual Adv
- Sentara Health
- BlueChoice Open Access
- United Healthcare Choice Plus
- IH-Open EPO Plus
- Anthem BCBS of VA HealthKeepers (POS & POS OA)
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.