NPPES file of Aug 9, 2026

John P. Cranston, MD

Ophthalmology Physician · Kingston, NY

John P. Cranston, MD is an ophthalmology physician with a practice address in Kingston, New York, and NPI 1689639916, issued on Apr 19, 2006. Check the license (New York 116416-1, as entered in NPPES) on the NYS Education Department, Office of the Professions; 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
1689639916
Name
John P. Cranston
Credential
MD
Primary taxonomy
Ophthalmology Physician 207W00000X
License number
116416-1 NY
Self-reported in NPPES; status is on the state search
Practice location
27 Grand St, Kingston, NY 12401
Phone
(845) 338-1535
Enumerated
Apr 19, 2006
Record last updated
Jun 17, 2021 (not updated in 5 years: call before relying on the address or phone)
Fax
(845) 334-9789
Medicaid ID
00359962 NY
Medicare enrollment
Enrolled (PECOS I20051006000845); accepts Medicare assignment
Medical or professional school
Albany Medical College Of Union University, 1972
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 27 Grand St

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

  1. Aaron Dietrich, DOFamily Medicine Physician1033174362
  2. Paul Donovan, MDHematology & Oncology Physician1326003195
  3. Howard Garson, MDGastroenterology Physician1154316826
  4. Anthony Guerrino, DOPulmonary Disease Physician1023073103
  5. Ruxandra Iorgu, MDFamily Medicine Physician1154386969
  6. Barbara Kaisik, NURSE PRACTIONERNurse Practitioner1821284555

Verify John P. Cranston in five checks

  1. 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
  2. 2LicenseActive license and public ordersNYS Education Department, Office of the Professions
    Search for license 116416-1
    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 York 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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74% fewer Medicare Part D claims than the average ophthalmology physician in 2024

393 Medicare Part D claims for 94 beneficiaries, against an average of 1,518 among the 16,459 providers of this specialty who prescribed in Part D. Brand-name drugs were 27% of claims.

  1. John Cranston393
  2. Specialty average1,518

Most prescribed

  1. Latanoprost151 claims
  2. Timolol Maleate49 claims
  3. Brimonidine Tartrate27 claims
  4. Dorzolamide Hcl27 claims
  5. Dorzolamide-Timolol23 claims
  6. Bacitracin-Polymyxin20 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 one group practice

  1. Westchester Medical Center Advanced Physician Services PCValhalla, NY

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

John P. Cranston among 1,822 ophthalmology physician records in New York

John P. Cranston, MD is one of 1,822 ophthalmology physician records with a practice address in New York. 79% 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 16% of them.

  • NPI issued2006 · 16% of these records are older, 34% newer
  • In a Medicare fileYes · 79% of these records are
  • In the CMS Doctors and Clinicians fileYes · 67% of these records are
  • Graduated1972 · median 1995 among the 1,215 with a school on file
  • Record last updated2021 · 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 207W00000X and a New York practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).

Ophthalmology Physician providers in New York

There are 1,822 ophthalmology physician records in New York.

The 8 ophthalmology physician records with the nearest ZIP codes

  1. Stephen Adalman, M.D.Kingston, NY 124011003832726
  2. Mohsin Cheema, MDKingston, NY 124011699747063
  3. Robert Fisch, MDKingston, NY 124011861496143
  4. Ronald Hanovice, DRKingston, NY 124011215095393
  5. Robert Schumer, MDKingston, NY 124011093796112
  6. Diane Kraus, MDLake Katrine, NY 124491144224668
  7. Alexandra Pappas, M.D., M.S.Lake Katrine, NY 124491295854925
  8. Gary Povill, MDLake Katrine, NY 124491801898978

Common questions

What is John P. Cranston, MD's NPI number?

John P. Cranston, MD's National Provider Identifier (NPI) is 1689639916, issued on Apr 19, 2006. An NPI identifies a provider in billing; it is not a license.

Where is John P. Cranston, MD located?

The NPPES record lists a practice address at 27 Grand St, Kingston, NY, 12401. Phone: (845) 338-1535. Providers update this record themselves, so call before visiting.

How can I verify John P. Cranston, MD's license?

NPPES lists New York license number 116416-1, as entered by the provider. Search the NYS Education Department, Office of the Professions at https://www.op.nysed.gov/services/verifications/online-verification-searches. The NPPES record confirms identity only; the state search shows license status, expiration and public orders.

How much does John P. Cranston, MD prescribe under Medicare Part D?

In 2024, John P. Cranston, MD had 393 Medicare Part D claims for 94 beneficiaries; the average among ophthalmology physician prescribers was 1,518. 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.