NPPES file of Aug 9, 2026

Stephen M. Siegel, M.D.

Internal Medicine Physician · Reisterstown, MD

Stephen M. Siegel, M.D. is an internal medicine physician with a practice address in Reisterstown, Maryland, and NPI 1457391013, issued on Jun 8, 2006. Check the license (Maryland D28304, as entered in NPPES) on the Maryland Board of Physicians; the Medicare figures below come from public CMS files.

Record from CMS NPPES, file of Aug 9, 2026 · Medicare files 2024 · method · Verify with CMS →

NPPES recordNPPES file of Aug 9, 2026
1457391013
Name
Stephen M. Siegel
Credential
M.D.
Primary taxonomy
Internal Medicine Physician 207R00000X
License number
D28304 MD
Self-reported in NPPES; status is on the state search
Practice location
750 Main St, Reisterstown, MD 21136
Phone
(410) 526-3043
Enumerated
Jun 8, 2006
Record last updated
Apr 18, 2016 (not updated in 10 years: call before relying on the address or phone)
Medicaid ID
342761700 MD
Entity
Type 1 · individual
Public record from CMS NPPES (open it on the CMS NPI Registry). A record is not a license: verify it with the state board.
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Also registered at 750 Main St

A shared address usually means a shared clinic or building; it does not show who employs whom.

  1. Robert Baxt, M.D.General Practice Physician1285684704
  2. Barbara Borcik, MS, RD, LD, CDERegistered Dietitian1063445047
  3. Esther Cohen, P.A.CPhysician Assistant1255417242
  4. Chi-Cheng Ho, PHARMDPharmacist1356794143
  5. Wendy Keene, PA-CPhysician Assistant1902945082
  6. Maria Khanuja, CRNPNurse Practitioner1134493612

Verify Stephen M. Siegel in five checks

  1. 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
  2. 2LicenseActive license and public ordersMaryland Board of Physicians
    Search for license D28304
    Check the board
  3. 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
  4. 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
  5. 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
Open the Maryland license search

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99% fewer Medicare Part D claims than the average internal medicine physician in 2024

26 Medicare Part D claims, against an average of 3,176 among the 108,855 providers of this specialty who prescribed in Part D.

  1. Stephen Siegel26
  2. Specialty average3,176

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.

Stephen M. Siegel among 3,904 internal medicine physician records in Maryland

Stephen M. Siegel, M.D. 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 2006, is newer than 9% of them.

  • NPI issued2006 · 9% of these records are older, 55% newer
  • In a Medicare fileYes · 77% of these records are
  • In the CMS Doctors and Clinicians fileNo · 63% of these records are
  • Record last updated2016 · 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).

17 internal medicine physician records list a practice address in Reisterstown

They are 17 of the 372 NPPES records with a practice address in Reisterstown, and 3,904 internal medicine physician records in Maryland.

The 8 internal medicine physician records with the nearest ZIP codes

  1. Roseanne Cousins, MDReisterstown, MD 211361669659918
  2. Susan George, M.D.Reisterstown, MD 211361396071700
  3. Ayesha GulistanReisterstown, MD 211361609105386
  4. Jonathan Kushner, MDReisterstown, MD 211361235146390
  5. Claudio Levin, M.D.Reisterstown, MD 211361356398051
  6. Gary Manko, M.D.Reisterstown, MD 211361588612139
  7. Elyse Michelson, M.D.Reisterstown, MD 211361346299591
  8. Raymond Miller, MDReisterstown, MD 211361225008949

Common questions

What is Stephen M. Siegel, M.D.'s NPI number?

Stephen M. Siegel, M.D.'s National Provider Identifier (NPI) is 1457391013, issued on Jun 8, 2006. An NPI identifies a provider in billing; it is not a license.

Where is Stephen M. Siegel, M.D. located?

The NPPES record lists a practice address at 750 Main St, Reisterstown, MD, 21136. Phone: (410) 526-3043. Providers update this record themselves, so call before visiting.

How can I verify Stephen M. Siegel, M.D.'s license?

NPPES lists Maryland license number D28304, 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 Stephen M. Siegel, M.D. prescribe under Medicare Part D?

In 2024, Stephen M. Siegel, M.D. had 26 Medicare Part D claims; 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.