NPPES file of Aug 9, 2026

John Michael Williams, MD

Dermatology Physician · Summit, NJ

John Michael Williams, MD is a dermatology physician with a practice address in Summit, New Jersey, and NPI 1457389678, issued on Jun 28, 2006. Check the license (New Jersey 25MA08118400, as entered in NPPES) on the New Jersey State Board of Medical Examiners; the Medicare figures below come from public CMS files.

Record from CMS NPPES, file of Aug 9, 2026 · Medicare files 2023 and 2024 · method · Verify with CMS →

NPPES recordNPPES file of Aug 9, 2026
1457389678
Name
John Michael Williams
Credential
MD
Primary taxonomy
Dermatology Physician 207N00000X
License number
25MA08118400 NJ
Self-reported in NPPES; status is on the state search
Practice location
33 Overlook RD Ste 202, Summit, NJ 07901
Phone
(908) 598-1300
Enumerated
Jun 28, 2006
Record last updated
Jan 2, 2019 (not updated in 7 years: call before relying on the address or phone)
Fax
(908) 598-1301
Medicare enrollment
Enrolled (PECOS I20080327000062); accepts Medicare assignment
Medical or professional school
Drexel University College Of Medicine, 1999
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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Verify John Michael Williams 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 25MA08118400
    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

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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66% more Medicare Part D claims than the average dermatology physician in 2024

1,327 Medicare Part D claims for 372 beneficiaries, against an average of 797 among the 12,802 providers of this specialty who prescribed in Part D. Brand-name drugs were 15% of claims.

  1. John Williams1,327
  2. Specialty average797

Most prescribed

  1. Triamcinolone Acetonide208 claims
  2. Betamethasone Dipropionate187 claims
  3. Mupirocin118 claims
  4. Ketoconazole109 claims
  5. Valacyclovir66 claims
  6. Metronidazole55 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.

No measured MIPS final score for 2023

CMS assigned the neutral MIPS final score of 75 without scoring Quality, Cost, Promoting Interoperability or Improvement Activities. It is an administrative threshold, so PlainDoctor does not compare it with measured clinicians.

Source: CMS Quality Payment Program, MIPS performance year 2023, group reporting; category weights for 2023 (qpp.cms.gov).

Industry payments in 2024: $101.19

3 payments; by number, the most common kind was education; the largest payer was Janssen Biotech, Inc. The 10,250 providers of this specialty with any payment received $8,544.61 on average. Payments are reported by manufacturers, not by the provider, and are not a sign of wrongdoing.

  1. John Williams$101.19
  2. Specialty average$8,544.61

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

John Michael Williams among 421 dermatology physician records in New Jersey

John Michael Williams, MD is one of 421 dermatology physician records with a practice address in New Jersey. 86% 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 8% of them.

  • NPI issued2006 · 8% of these records are older, 46% newer
  • In a Medicare fileYes · 86% of these records are
  • In the CMS Doctors and Clinicians fileYes · 74% of these records are
  • Graduated1999 · median 2001 among the 312 with a school on file
  • Record last updated2019 · 63% of these records were not updated in five years or more

Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 207N00000X and a New Jersey practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).

Dermatology Physician providers in New Jersey

There are 421 dermatology physician records in New Jersey.

The 8 dermatology physician records with the nearest ZIP codes

  1. Robert Armstrong, M.D.Summit, NJ 079011639343262
  2. Teresa Notari, MDSummit, NJ 079011104998285
  3. Mary Ruth Buchness, MDWashington, NJ 078821205849395
  4. Nadiya Chuchvara, MDBasking Ridge, NJ 079201578143665
  5. Helen Haliasos, MDBasking Ridge, NJ 079201679591358
  6. Mark Lichtenberg, M.D.Basking Ridge, NJ 079201457454266
  7. Marc Meulener, M.D., PH.D.Basking Ridge, NJ 079201770739633
  8. Elizabeth Quigley, MDBasking Ridge, NJ 079201649466335

Common questions

What is John Michael Williams, MD's NPI number?

John Michael Williams, MD's National Provider Identifier (NPI) is 1457389678, issued on Jun 28, 2006. An NPI identifies a provider in billing; it is not a license.

Where is John Michael Williams, MD located?

The NPPES record lists a practice address at 33 Overlook RD Ste 202, Summit, NJ, 07901. Phone: (908) 598-1300. Providers update this record themselves, so call before visiting.

How can I verify John Michael Williams, MD's license?

NPPES lists New Jersey license number 25MA08118400, 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.

How much does John Michael Williams, MD prescribe under Medicare Part D?

In 2024, John Michael Williams, MD had 1,327 Medicare Part D claims for 372 beneficiaries; the average among dermatology physician prescribers was 797. Part D covers Medicare prescriptions only.

What is John Michael Williams, MD's MIPS final score?

CMS assigned the neutral MIPS final score of 75 for 2023 without scoring any category, so it is not a measured result.

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.