NPPES file of Aug 9, 2026

John J. Croke, MD

Dermatology Physician · Boston, MA

John J. Croke, MD is a dermatology physician with a practice address in Boston, Massachusetts, and NPI 1013994649, issued on Dec 23, 2005. Check the license (Massachusetts 59427, as entered in NPPES) on the Massachusetts Board of Registration in Medicine; 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
1013994649
Name
John J. Croke
Credential
MD
Primary taxonomy
Dermatology Physician 207N00000X
License number
59427 MA
Self-reported in NPPES; status is on the state search
Practice location
725 Albany St, Boston, MA 02118
Phone
(617) 638-7420
Enumerated
Dec 23, 2005
Record last updated
May 20, 2014 (not updated in 12 years: call before relying on the address or phone)
Fax
(617) 638-7289
Medicaid ID
110056889A MA
Medicare enrollment
Enrolled (PECOS I20110418000788); accepts Medicare assignment
Medical or professional school
Tufts University School Of Medicine, 1986
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 725 Albany St

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

  1. Myriam Abdennadher, M.D.Epilepsy Physician1407290133
  2. Carlos Acuna-VillaordunaInfectious Disease Physician1598922742
  3. Daniel Alford, M.D., M.P.H.Internal Medicine Physician1194708628
  4. Paul Ambrose, PA-CPhysician Assistant1730631557
  5. Naomi Amudala, NPFamily Nurse Practitioner1154655348
  6. Tufik Assad, M.D.Pulmonary Disease Physician1093941890

Verify John J. Croke in five checks

  1. 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
  2. 2LicenseActive license and public ordersMassachusetts Board of Registration in Medicine
    Search for license 59427
    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 Massachusetts 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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84% more Medicare Part D claims than the average dermatology physician in 2024

1,464 Medicare Part D claims for 456 beneficiaries, against an average of 797 among the 12,802 providers of this specialty who prescribed in Part D. Brand-name drugs were 10% of claims.

  1. John Croke1,464
  2. Specialty average797

Most prescribed

  1. Ketoconazole409 claims
  2. Metronidazole199 claims
  3. Triamcinolone Acetonide128 claims
  4. Fluocinolone Acetonide85 claims
  5. Doxycycline Hyclate73 claims
  6. Alclometasone Dipropionate51 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.

The MIPS final score for 2023 (Medicare payment program): 0 of 100

The Merit-based Incentive Payment System score is reported for this clinician. Four categories are weighted into the final score; the average among 454,083 clinicians with a measured score was 83.5.

  1. Qualityout of 100 · 30% of the final score0.0
  2. Costnot scored (reweighted)
  3. Promoting interoperabilitynot scored (reweighted)
  4. Improvement activities0 of 40 points · 15%0.0

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

Industry payments in 2024: $647.48

23 payments; by number, the most common kind was food and beverage; the largest payer was Leo Pharma 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 Croke$647.48
  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.

Bills Medicare through one group practice

  1. South Shore Dermatology Physicians PCNorth Easton, MA

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

John J. Croke among 627 dermatology physician records in Massachusetts

John J. Croke, MD is one of 627 dermatology physician records with a practice address in Massachusetts. 83% 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, 89% newer
  • In a Medicare fileYes · 83% of these records are
  • In the CMS Doctors and Clinicians fileYes · 71% of these records are
  • Graduated1986 · median 2008 among the 445 with a school on file
  • Record last updated2014 · 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 207N00000X and a Massachusetts practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).

Dermatology Physician providers in Massachusetts

There are 627 dermatology physician records in Massachusetts.

The 8 dermatology physician records with the nearest ZIP codes

  1. Rhoda Alani, M.D.Boston, MA 021181154385268
  2. Angela Beckford, M.D., MPHBoston, MA 021181083872816
  3. Jag Bhawan, MDBoston, MA 021181205827250
  4. Hye Chung, M.D.Boston, MA 021181417268160
  5. Richard Eisen, MDBoston, MA 021181992700728
  6. Barbara Gilchrest, MDBoston, MA 021181831180868
  7. Lynne Goldberg, MDBoston, MA 021181861483018
  8. Howard Koh, MD MPHBoston, MA 021181093778482

Common questions

What is John J. Croke, MD's NPI number?

John J. Croke, MD's National Provider Identifier (NPI) is 1013994649, issued on Dec 23, 2005. An NPI identifies a provider in billing; it is not a license.

Where is John J. Croke, MD located?

The NPPES record lists a practice address at 725 Albany St, Boston, MA, 02118. Phone: (617) 638-7420. Providers update this record themselves, so call before visiting.

How can I verify John J. Croke, MD's license?

NPPES lists Massachusetts license number 59427, as entered by the provider. Search the Massachusetts Board of Registration in Medicine at https://findmydoctor.mass.gov/. The NPPES record confirms identity only; the state search shows license status, expiration and public orders.

How much does John J. Croke, MD prescribe under Medicare Part D?

In 2024, John J. Croke, MD had 1,464 Medicare Part D claims for 456 beneficiaries; the average among dermatology physician prescribers was 797. Part D covers Medicare prescriptions only.

What is John J. Croke, MD's MIPS final score?

The 2023 MIPS final score is 0 of 100. The average among 454,083 clinicians with a measured score was 83.5.

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.