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