NPPES file of Aug 9, 2026

Michael Gerard Donnelly, MD

Geriatric Medicine (Internal Medicine) Physician · Chester, NJ

Michael Gerard Donnelly, MD is a geriatric medicine (internal medicine) physician with a practice address in Chester, New Jersey, and NPI 1255310330, issued on Jan 17, 2006. Check the license (New Jersey 25MA05194300, as entered in NPPES) on the New Jersey State Board of Medical Examiners; the federal record below is the public data PlainDoctor holds for this provider.

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

NPPES recordNPPES file of Aug 9, 2026
1255310330
Name
Michael Gerard Donnelly
Credential
MD
Primary taxonomy
Geriatric Medicine (Internal Medicine) Physician 207RG0300X
License numbers
25MA05194300 NJ
186643 NY
MD428130 PA
Self-reported in NPPES; status is on the state search
Practice location
530 Main St, Chester, NJ 07930
Phone
(973) 879-4941
Enumerated
Jan 17, 2006
Record last updated
Feb 20, 2008 (not updated in 18 years: call before relying on the address or phone)
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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8 nearest geriatric medicine (internal medicine) physician records → All 165 in New Jersey → Look up another NPI →

Also registered at 530 Main St

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

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  3. Ahmed Osman, DDSDentist1962962894

Verify Michael Gerard Donnelly in five checks

  1. 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
  2. 2LicenseActive license and public ordersNew Jersey State Board of Medical Examiners
    Search for license 25MA05194300    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 New Jersey license search

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Michael Gerard Donnelly among 165 geriatric medicine (internal medicine) physician records in New Jersey

Michael Gerard Donnelly, MD is one of 165 geriatric medicine (internal medicine) physician records with a practice address in New Jersey. 82% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does not. Its NPI, issued in 2006, is newer than 8% of them.

  • NPI issued2006 · 8% of these records are older, 42% newer
  • In a Medicare fileNo · 82% of these records are
  • In the CMS Doctors and Clinicians fileNo · 64% of these records are
  • Record last updated2008 · 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 207RG0300X and a New Jersey 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 New Jersey

There are 165 geriatric medicine (internal medicine) physician records in New Jersey. No Medicare prescribing, quality score, industry payment or hospital affiliation is published for this NPI.

All 165 in New Jersey → Every provider in Chester → Geriatric Medicine (Internal Medicine) Physician nationwide →

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

  1. George Kline, M.D.Chester, NJ 079301104808872
  2. Thomas Zimmerman, M.D.Bernardsville, NJ 079241154539492
  3. Beata Chauhan, D.O.Berkeley Heights, NJ 079221144432576
  4. Michele Elkins, M.DBerkeley Heights, NJ 079221073736005
  5. Jane Luo, MDLyons, NJ 079391184648800
  6. Loveleen Sidhu, MDLyons, NJ 079391790707750
  7. Christine Yarus, M.D.Lyons, NJ 079391942330584
  8. James Wolf, M.D.Mendham, NJ 079451497743876

Common questions

What is Michael Gerard Donnelly, MD's NPI number?

Michael Gerard Donnelly, MD's National Provider Identifier (NPI) is 1255310330, issued on Jan 17, 2006. An NPI identifies a provider in billing; it is not a license.

Where is Michael Gerard Donnelly, MD located?

The NPPES record lists a practice address at 530 Main St, Chester, NJ, 07930. Phone: (973) 879-4941. Providers update this record themselves, so call before visiting.

How can I verify Michael Gerard Donnelly, MD's license?

NPPES lists New Jersey license number 25MA05194300, as entered by the provider. Search the New Jersey State Board of Medical Examiners at https://newjersey.mylicense.com/verification/. The NPPES record confirms identity only; the state search shows license status, expiration and public orders.

Source: CMS National Plan and Provider Enumeration System (NPPES), file of Aug 9, 2026 (NPPES files on CMS.gov); NUCC Health Care Provider Taxonomy. 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.