NPPES file of Aug 9, 2026

John Howard Pollack, MD

Family Medicine Physician · Baltimore, MD

John Howard Pollack, MD is a family medicine physician with a practice address in Baltimore, Maryland, and NPI 1225657513, issued on Apr 16, 2020. Check the license (Maryland D0100875, 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
1225657513
Name
John Howard Pollack
Credential
MD
Primary taxonomy
Family Medicine Physician 207Q00000X
License numbers
D0100875 MD
A181533 CA
Self-reported in NPPES; status is on the state search
Practice location
3120 Erdman Ave, Baltimore, MD 21213
Phone
(410) 558-4800
Enumerated
Apr 16, 2020
Record last updated
Oct 14, 2024
Medicare enrollment
Enrolled (PECOS I20240812000082); accepts Medicare assignment
Medical or professional school
Georgetown University School Of Medicine, 2020
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 3120 Erdman Ave

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

  1. Motunrayo Dipeolu, CRNP-FAMILYFamily Nurse Practitioner1265925580
  2. Karen Donaldson, MDFamily Medicine Physician1578569786
  3. Genevieve Gaisie, PHDPsychologist1982671509
  4. Carissa Guishard-Gibson, MDInternal Medicine Physician1801055033
  5. Rebecca Helem, MSW, LICSW, LCSW-CClinical Social Worker1700289535
  6. Amanda Hines, LCSW-CClinical Social Worker1306230081

Verify John Howard Pollack in five checks

  1. 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
  2. 2LicenseActive license and public ordersMaryland Board of Physicians
    Search for license D0100875
    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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67% fewer Medicare Part D claims than the average family medicine physician in 2024

1,160 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 17% of claims. 21 claims were for opioids.

  1. John Pollack1,160
  2. Specialty average3,544

Most prescribed

  1. Atorvastatin Calcium81 claims
  2. Amlodipine Besylate68 claims
  3. Fluticasone Propionate52 claims
  4. Metformin Hcl40 claims
  5. Albuterol Sulfate Hfa38 claims
  6. Losartan Potassium38 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 2 group practices

  1. Baltimore Medical System, Inc.Baltimore, MD
  2. Medstar Medical Group II LLCGlen Burnie, MD

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

John Howard Pollack among 1,912 family medicine physician records in Maryland

John Howard Pollack, 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 2020, is newer than 89% of them.

  • NPI issued2020 · 89% of these records are older, 8% newer
  • In a Medicare fileYes · 73% of these records are
  • In the CMS Doctors and Clinicians fileYes · 60% of these records are
  • Graduated2020 · median 2004 among the 1,141 with a school on file
  • Record last updated2024 · 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. Karen Donaldson, MDBaltimore, MD 212131578569786
  2. Erica Isles, MDBaltimore, MD 212131831197110
  3. Karin Mirkin, MDBaltimore, MD 212131871888289
  4. Naima Spradley, M.D.Baltimore, MD 212131720378383
  5. Suja Thrasybule, M.D.Baltimore, MD 212131790811255
  6. Murray West, MDBaltimore, MD 212131275530545
  7. Janice WhiteBaltimore, MD 212131699593913
  8. Parven Akhter, M.DBaltimore, MD 212121982726097

Common questions

What is John Howard Pollack, MD's NPI number?

John Howard Pollack, MD's National Provider Identifier (NPI) is 1225657513, issued on Apr 16, 2020. An NPI identifies a provider in billing; it is not a license.

Where is John Howard Pollack, MD located?

The NPPES record lists a practice address at 3120 Erdman Ave, Baltimore, MD, 21213. Phone: (410) 558-4800. Providers update this record themselves, so call before visiting.

How can I verify John Howard Pollack, MD's license?

NPPES lists Maryland license number D0100875, 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 John Howard Pollack, MD prescribe under Medicare Part D?

In 2024, John Howard Pollack, MD had 1,160 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.