Sharon Jan McCormack, MD
Internal Medicine Physician · Baltimore, MD
Sharon Jan McCormack, MD is an internal medicine physician with a practice address in Baltimore, Maryland, and NPI 1013902899, issued on Sep 16, 2005. Check the license (Maryland D0038762, as entered in NPPES) on the Maryland Board of Physicians; the Medicare figures below come from public CMS files.
- Name
- Sharon Jan McCormack
- Credential
- MD
- Primary taxonomy
- Internal Medicine Physician 207R00000X
- License number
- D0038762 MD
Self-reported in NPPES; status is on the state search - Practice location
- 5411 Old Frederick RD, Baltimore, MD 21229
- Phone
- (410) 788-4800
- Enumerated
- Sep 16, 2005
- Record last updated
- Sep 21, 2007 (not updated in 19 years: call before relying on the address or phone)
- Fax
- (410) 788-6701
- Medicare enrollment
- Enrolled (PECOS I20240725000732); accepts Medicare assignment
- Medical or professional school
- University Of Maryland School Of Medicine, 1985
- Telehealth
- Offers telehealth (CMS)
- Entity
- Type 1 · individual
8 nearest internal medicine physician records → All 3,904 in Maryland → Look up another NPI →
Also registered at 5411 Old Frederick RD
A shared address usually means a shared clinic or building; it does not show who employs whom.
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Verify Sharon Jan McCormack in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersMaryland Board of Physicians
Search for license D0038762Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
80% fewer Medicare Part D claims than the average internal medicine physician in 2024
630 Medicare Part D claims for 115 beneficiaries, against an average of 3,176 among the 108,855 providers of this specialty who prescribed in Part D. Brand-name drugs were 15% of claims.
Most prescribed
- Atorvastatin Calcium34 claims
- Amlodipine Besylate32 claims
- Levothyroxine Sodium18 claims
- Albuterol Sulfate Hfa17 claims
- Glipizide Er17 claims
- Simvastatin16 claims
Source: CMS Medicare Part D Prescribers by Provider and Drug, 2024 (data.cms.gov). Part D covers prescriptions for Medicare patients only; drugs with fewer than 11 claims are not published.
Industry payments in 2024: $14.13
1 payment: food and beverage; the largest payer was Pfizer Inc. The 50,334 providers of this specialty with any payment received $1,303.06 on average. Payments are reported by manufacturers, not by the provider, and are not a sign of wrongdoing.
Source: CMS Open Payments, program year 2024 (openpaymentsdata.cms.gov); average among providers of this specialty with at least one payment.
Bills Medicare through one group practice
- Doctors First Professional CorporationGermantown, MD
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Sharon Jan McCormack among 3,904 internal medicine physician records in Maryland
Sharon Jan McCormack, MD is one of 3,904 internal medicine physician records with a practice address in Maryland. 77% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2005, is newer than 0% of them.
- NPI issued2005 · 0% of these records are older, 91% newer
- In a Medicare fileYes · 77% of these records are
- In the CMS Doctors and Clinicians fileYes · 63% of these records are
- Graduated1985 · median 2003 among the 2,445 with a school on file
- Record last updated2007 · 59% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 207R00000X and a Maryland practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
1,278 internal medicine physician records list a practice address in Baltimore
They are 1,278 of the 35,183 NPPES records with a practice address in Baltimore, and 3,904 internal medicine physician records in Maryland.
All 3,904 in Maryland → Every provider in Baltimore → Internal Medicine Physician nationwide →
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Common questions
What is Sharon Jan McCormack, MD's NPI number?
Sharon Jan McCormack, MD's National Provider Identifier (NPI) is 1013902899, issued on Sep 16, 2005. An NPI identifies a provider in billing; it is not a license.
Where is Sharon Jan McCormack, MD located?
The NPPES record lists a practice address at 5411 Old Frederick RD, Baltimore, MD, 21229. Phone: (410) 788-4800. Providers update this record themselves, so call before visiting.
How can I verify Sharon Jan McCormack, MD's license?
NPPES lists Maryland license number D0038762, as entered by the provider. Search the Maryland Board of Physicians at https://www.mbp.state.md.us/. The NPPES record confirms identity only; the state search shows license status, expiration and public orders.
How much does Sharon Jan McCormack, MD prescribe under Medicare Part D?
In 2024, Sharon Jan McCormack, MD had 630 Medicare Part D claims for 115 beneficiaries; the average among internal medicine physician prescribers was 3,176. Part D covers Medicare prescriptions only.
Source: CMS National Plan and Provider Enumeration System (NPPES), file of Aug 9, 2026 (NPPES files on CMS.gov); NUCC Health Care Provider Taxonomy. Medicare files from data.cms.gov. An NPI identifies who bills; it is not a license.
Figures on PlainDoctor are read from the federal files each page names (CMS NPPES, Medicare Part D, MIPS, Open Payments; the HHS-OIG exclusion list only as counts) and from Census population estimates, with the file date shown beside them. See our editorial standards & corrections policy, the methodology behind these numbers, or report a data error. Data current as of Aug 9, 2026.