NPPES file of Aug 9, 2026

Neil M. Siegel, MD

Family Medicine Physician · Baltimore, MD

Neil M. Siegel, MD is a family medicine physician with a practice address in Baltimore, Maryland, and NPI 1134153034, issued on Jul 10, 2006. Check the license (Maryland D43574, 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
1134153034
Name
Neil M. Siegel
Credential
MD
Primary taxonomy
Family Medicine Physician 207Q00000X
License number
D43574 MD
Self-reported in NPPES; status is on the state search
Practice location
29 S Paca St, Baltimore, MD 21201
Phone
(667) 214-1800
Enumerated
Jul 10, 2006
Record last updated
May 28, 2021 (not updated in 5 years: call before relying on the address or phone)
Fax
(410) 365-1973
Medicaid IDs
206151100 MD
482300100 MD
Medicare enrollment
Enrolled (PECOS I20100520000136); accepts Medicare assignment
Telehealth
Offers telehealth (CMS)
Entity
Type 1 · individual
Public record from CMS NPPES (open it on the CMS NPI Registry). Enrollment, assignment, school and telehealth: CMS Doctors and Clinicians file, Aug 2026. A record is not a license: verify it with the state board.
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Also registered at 29 S Paca St

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

  1. Seyedeh Alaie, MDFamily Medicine Physician1134680986
  2. Sania AmrSpecialist1649391541
  3. Ashley Anders, DOStudent in an Organized Health Care Education/Training Program1861195968
  4. Deborah Armstead, CRNPFamily Nurse Practitioner1083425961
  5. Antoinette ArtsonFamily Nurse Practitioner1316643489
  6. Stephanie Ashley, MGC, CGCGenetic Counselor (M.S.)1548243553

Verify Neil 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 D43574
    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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56% fewer Medicare Part D claims than the average family medicine physician in 2024

1,547 Medicare Part D claims for 115 beneficiaries, against an average of 3,544 among the 117,163 providers of this specialty who prescribed in Part D. Brand-name drugs were 12% of claims. 25 claims were for opioids.

  1. Neil Siegel1,547
  2. Specialty average3,544

Most prescribed

  1. Atorvastatin Calcium113 claims
  2. Amlodipine Besylate96 claims
  3. Fluticasone Propionate67 claims
  4. Gabapentin53 claims
  5. Losartan Potassium46 claims
  6. Hydrochlorothiazide45 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.

Bills Medicare through one group practice

  1. University OF Maryland Family Medicine Associates, P.A.Columbia, MD

Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).

Neil M. Siegel among 1,912 family medicine physician records in Maryland

Neil M. Siegel, MD is one of 1,912 family medicine physician records with a practice address in Maryland. 73% 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 13% of them.

  • NPI issued2006 · 13% of these records are older, 54% newer
  • In a Medicare fileYes · 73% of these records are
  • In the CMS Doctors and Clinicians fileYes · 60% of these records are
  • Graduated1989 · median 2004 among the 1,141 with a school on file
  • Record last updated2021 · 58% of these records were not updated in five years or more

Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 207Q00000X and a Maryland practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).

Family Medicine Physician providers in Maryland

There are 1,912 family medicine physician records in Maryland.

The 8 family medicine physician records with the nearest ZIP codes

  1. Beth Barnet, M.D.Baltimore, MD 212011487693370
  2. Robert Barthel, M.D., M.H.S.Baltimore, MD 212011982681581
  3. Richard Colgan, MDBaltimore, MD 212011760421549
  4. Stephanie Davis, MDBaltimore, MD 212011013976091
  5. Richard Dressler, M.D.Baltimore, MD 212011811952807
  6. Lenonie Hanley, M.DBaltimore, MD 212011255352811
  7. Niharika Khanna, MBBS, MD, DGOBaltimore, MD 212011225078678
  8. Eduardo Leon Guerrero, M.D.Baltimore, MD 212011407817778

Common questions

What is Neil M. Siegel, MD's NPI number?

Neil M. Siegel, MD's National Provider Identifier (NPI) is 1134153034, issued on Jul 10, 2006. An NPI identifies a provider in billing; it is not a license.

Where is Neil M. Siegel, MD located?

The NPPES record lists a practice address at 29 S Paca St, Baltimore, MD, 21201. Phone: (667) 214-1800. Providers update this record themselves, so call before visiting.

How can I verify Neil M. Siegel, MD's license?

NPPES lists Maryland license number D43574, 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 Neil M. Siegel, MD prescribe under Medicare Part D?

In 2024, Neil M. Siegel, MD had 1,547 Medicare Part D claims for 115 beneficiaries; the average among family medicine physician prescribers was 3,544. 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.