NPPES file of Aug 9, 2026

Harry R. Holt, M.D.

Family Medicine Physician · Baltimore, MD

Harry R. Holt, M.D. is a family medicine physician with a practice address in Baltimore, Maryland, and NPI 1134483860, issued on Jun 27, 2012. Check the license (Maryland D0083150, 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
1134483860
Name
Harry R. Holt
Credential
M.D.
Primary taxonomy
Family Medicine Physician 207Q00000X
License number
D0083150 MD
Self-reported in NPPES; status is on the state search
Practice location
3700 Fleet St Ste 200, Baltimore, MD 21224
Phone
(410) 558-4900
Enumerated
Jun 27, 2012
Record last updated
Apr 16, 2020 (not updated in 6 years: call before relying on the address or phone)
Fax
(410) 522-1475
Medicare enrollment
Enrolled (PECOS I20170707000146); accepts Medicare assignment
Medical or professional school
Eastern Virginia Medical School, 2012
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 3700 Fleet St Ste 200

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

  1. Catherine Chamberlain, M.D.Family Medicine Physician1083031199
  2. Sunday Ebo, MDFamily Medicine Physician1922686575
  3. Frances IhenachoPsychiatric/Mental Health Nurse Practitioner1154108215
  4. Alexis James, MDStudent in an Organized Health Care Education/Training Program1316680523
  5. Monique Morales, CNM, WHNPAdvanced Practice Midwife1033760814
  6. Xiomara Penn-Becoat, MDPediatrics Physician1629481023

Verify Harry R. Holt in five checks

  1. 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
  2. 2LicenseActive license and public ordersMaryland Board of Physicians
    Search for license D0083150
    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

PlainDoctor does not match the HHS-OIG exclusion list to individual records: most entries carry no NPI. Search the OIG exclusion list by name.

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41% more Medicare Part D claims than the average family medicine physician in 2024

5,007 Medicare Part D claims for 199 beneficiaries, against an average of 3,544 among the 117,163 providers of this specialty who prescribed in Part D. Brand-name drugs were 18% of claims. 212 claims were for opioids.

  1. Harry Holt5,007
  2. Specialty average3,544

Most prescribed

  1. Atorvastatin Calcium359 claims
  2. Gabapentin188 claims
  3. Albuterol Sulfate Hfa169 claims
  4. Amlodipine Besylate155 claims
  5. Losartan Potassium155 claims
  6. Metformin Hcl145 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. Baltimore Medical System, Inc.Baltimore, MD

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

Harry R. Holt among 1,912 family medicine physician records in Maryland

Harry R. Holt, M.D. 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 2012, is newer than 70% of them.

  • NPI issued2012 · 70% of these records are older, 28% newer
  • In a Medicare fileYes · 73% of these records are
  • In the CMS Doctors and Clinicians fileYes · 60% of these records are
  • Graduated2012 · median 2004 among the 1,141 with a school on file
  • Record last updated2020 · 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. Elizabeth Crowley, MDBaltimore, MD 212241255374310
  2. Hamid Ehsani-Shishvan, MDBaltimore, MD 212241720157647
  3. Natelaine Fripp, MDBaltimore, MD 212241205970241
  4. Jessica Jacobs, MDBaltimore, MD 212241154557171
  5. Henry Kakembo, M.D.Baltimore, MD 212241558301234
  6. Barbara Kalazny, MDBaltimore, MD 212241477629624
  7. Lisa Lacarrubba, M.D.Baltimore, MD 212241962589432
  8. Priya Little, M.D.Baltimore, MD 212241740511468

Common questions

What is Harry R. Holt, M.D.'s NPI number?

Harry R. Holt, M.D.'s National Provider Identifier (NPI) is 1134483860, issued on Jun 27, 2012. An NPI identifies a provider in billing; it is not a license.

Where is Harry R. Holt, M.D. located?

The NPPES record lists a practice address at 3700 Fleet St Ste 200, Baltimore, MD, 21224. Phone: (410) 558-4900. Providers update this record themselves, so call before visiting.

How can I verify Harry R. Holt, M.D.'s license?

NPPES lists Maryland license number D0083150, 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 Harry R. Holt, M.D. prescribe under Medicare Part D?

In 2024, Harry R. Holt, M.D. had 5,007 Medicare Part D claims for 199 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.