NPPES file of Aug 9, 2026

Don Harris Yablonowitz, M.D.

Geriatric Medicine (Internal Medicine) Physician · Lanham, MD

Don Harris Yablonowitz, M.D. is a geriatric medicine (internal medicine) physician with a practice address in Lanham, Maryland, and NPI 1831192426, issued on May 27, 2005. Check the license (Maryland D0025079, 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
1831192426
Name
Don Harris Yablonowitz
Credential
M.D.
Primary taxonomy
Geriatric Medicine (Internal Medicine) Physician 207RG0300X
License number
D0025079 MD
Self-reported in NPPES; status is on the state search
Practice location
8116 Good Luck RD, Lanham, MD 20706
Phone
(240) 241-7474
Enumerated
May 27, 2005
Record last updated
Jun 20, 2016 (not updated in 10 years: call before relying on the address or phone)
Fax
(301) 731-5733
Medicare enrollment
Enrolled (PECOS I20200616002918); accepts Medicare assignment
Medical or professional school
Wayne State University School Of Medicine, 1976
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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8 nearest geriatric medicine (internal medicine) physician records → All 139 in Maryland → Look up another NPI →

Also registered at 8116 Good Luck RD

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

  1. Olajumoke Adeleke, NPNurse Practitioner1053203760
  2. Shantelle Bethea, RDNRegistered Dietitian1548629850
  3. Izzat Chalabi, MDInternal Medicine Physician1184657157
  4. Angela De Bone, PA-CPhysician Assistant1053353193
  5. Claire Dipiero, PACPhysician Assistant1609205046
  6. Ali Entezari, MDInternal Medicine Physician1770847527

Verify Don Harris Yablonowitz in five checks

  1. 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
  2. 2LicenseActive license and public ordersMaryland Board of Physicians
    Search for license D0025079    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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36% more Medicare Part D claims than the average geriatric medicine (internal medicine) physician in 2024

5,762 Medicare Part D claims for 536 beneficiaries, against an average of 4,246 among the 3,116 providers of this specialty who prescribed in Part D. Brand-name drugs were 10% of claims. 35 claims were for opioids.

  1. Don Yablonowitz5,762
  2. Specialty average4,246

Most prescribed

  1. Atorvastatin Calcium600 claims
  2. Amlodipine Besylate594 claims
  3. Losartan Potassium285 claims
  4. Hydrochlorothiazide182 claims
  5. Lisinopril181 claims
  6. Metformin Hcl168 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.

Industry payments in 2024: $19.88

1 payment: food and beverage; the largest payer was Amgen Inc. The 1,004 providers of this specialty with any payment received $1,720.82 on average. Payments are reported by manufacturers, not by the provider, and are not a sign of wrongdoing.

  1. Don Yablonowitz$19.88
  2. Specialty average$1,720.82

Source: CMS Open Payments, program year 2024 (openpaymentsdata.cms.gov); average among providers of this specialty with at least one payment.

Bills Medicare through one group practice

  1. Luminis Health Medical Group, LLCAnnapolis, MD

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

Don Harris Yablonowitz among 139 geriatric medicine (internal medicine) physician records in Maryland

Don Harris Yablonowitz, M.D. is one of 139 geriatric medicine (internal medicine) physician records with a practice address in Maryland. 69% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2005, is newer than 0% of them.

  • NPI issued2005 · 0% of these records are older, 94% newer
  • In a Medicare fileYes · 69% of these records are
  • In the CMS Doctors and Clinicians fileYes · 47% of these records are
  • Graduated1976 · median 1997 among the 66 with a school on file
  • Record last updated2016 · 71% of these records were not updated in five years or more

Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 207RG0300X and a Maryland practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).

Geriatric Medicine (Internal Medicine) Physician providers in Maryland

There are 139 geriatric medicine (internal medicine) physician records in Maryland.

All 139 in Maryland → Every provider in Lanham → Geriatric Medicine (Internal Medicine) Physician nationwide →

The 8 geriatric medicine (internal medicine) physician records with the nearest ZIP codes

  1. Richard Feldman, MDLanham, MD 207061245398312
  2. Priya Vasdev, M.D.Bowie, MD 207161942221197
  3. Andrew Kundrat, M.D.Laurel, MD 207231366467607
  4. Anwar MunshiPrince Frederick, MD 206781467477406
  5. Eleanor Stewart, M.D.Clinton, MD 207351972707347
  6. Peter Schissler, M.D.Greenbelt, MD 207701831135243
  7. Stephanie Trifoglio, M.D.Greenbelt, MD 207701811963952
  8. Stuart Turkewitz, MDGreenbelt, MD 207701831291061

Common questions

What is Don Harris Yablonowitz, M.D.'s NPI number?

Don Harris Yablonowitz, M.D.'s National Provider Identifier (NPI) is 1831192426, issued on May 27, 2005. An NPI identifies a provider in billing; it is not a license.

Where is Don Harris Yablonowitz, M.D. located?

The NPPES record lists a practice address at 8116 Good Luck RD, Lanham, MD, 20706. Phone: (240) 241-7474. Providers update this record themselves, so call before visiting.

How can I verify Don Harris Yablonowitz, M.D.'s license?

NPPES lists Maryland license number D0025079, 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 Don Harris Yablonowitz, M.D. prescribe under Medicare Part D?

In 2024, Don Harris Yablonowitz, M.D. had 5,762 Medicare Part D claims for 536 beneficiaries; the average among geriatric medicine (internal medicine) physician prescribers was 4,246. 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.

Written with AI tools from the named public files; every figure is computed from those files (how it is made).

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.