Liya Pfeffer, MD
Internal Medicine Physician · Baltimore, MD
Liya Pfeffer, MD is an internal medicine physician with a practice address in Baltimore, Maryland, and NPI 1326142316, issued on Sep 11, 2006. Check the license (Maryland D35410, as entered in NPPES) on the Maryland Board of Physicians; the Medicare figures below come from public CMS files.
- Name
- Liya Pfeffer
- Credential
- MD
- Primary taxonomy
- Internal Medicine Physician 207R00000X
- License number
- D35410 MD
Self-reported in NPPES; status is on the state search - Practice location
- 6918 Ridge RD, Baltimore, MD 21237
- Phone
- (410) 687-4400
- Enumerated
- Sep 11, 2006
- Entity
- Type 1 · individual
Also registered at 6918 Ridge RD
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Harvey Gewanter, PHDClinical Psychologist1255485546
- Lakshmi Prasanna KatragaddaPharmacist1811816093
- Nachum Pfeffer, MDCardiovascular Disease Physician1841394848
- Mahmood Syed, PSYCH. ASSOCIATECognitive & Behavioral Psychologist1104187640
Verify Liya Pfeffer in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersMaryland Board of Physicians
Search for license D35410Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS, AOA, NCCPA, AANPNot checked
97% fewer Medicare Part D claims than the average internal medicine physician in 2024
86 Medicare Part D claims for 45 beneficiaries, against an average of 2,785 among the 127,794 providers of this specialty who prescribed in Part D.
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.
1,495 internal medicine physician records list a Baltimore practice address
They are 1,495 of the 35,183 NPPES records with a Baltimore practice address, and 4,220 internal medicine physician records in Maryland.
All 1,495 in Baltimore → All 4,220 in Maryland → Every provider in Baltimore →
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- Hashim AbbasBaltimore, MD1396171070
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- Nourelhuda Abbas Hamed, MDSilver Spring, MD1699339473
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Common questions
What is Liya Pfeffer, MD's NPI number?
Liya Pfeffer, MD's National Provider Identifier (NPI) is 1326142316, issued on Sep 11, 2006. An NPI identifies a provider in billing; it is not a license.
Where is Liya Pfeffer, MD located?
The NPPES record lists a practice address at 6918 Ridge RD, Baltimore, MD, 21237. Phone: (410) 687-4400. Providers update this record themselves, so call before visiting.
How can I verify Liya Pfeffer, MD's license?
NPPES lists Maryland license number D35410, 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 Liya Pfeffer, MD prescribe under Medicare Part D?
In 2024, Liya Pfeffer, MD had 86 Medicare Part D claims for 45 beneficiaries; the average among internal medicine physician prescribers was 2,785. Part D covers Medicare prescriptions only.
Source: CMS National Plan and Provider Enumeration System (NPPES), loaded Aug 27, 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.
Every figure on PlainDoctor is rendered directly from the federal CMS NPPES registry, Medicare Part D, MIPS, and Open Payments records, no number is typed in by an editor. See our editorial standards & corrections policy, the methodology behind these numbers, or report a data error. Data current as of Aug 27, 2026.