NPPES file of Aug 9, 2026

Joseph Kristan, M.D.

Ophthalmology Physician · New York, NY

Joseph Kristan, M.D. is an ophthalmology physician with a practice address in New York, New York, and NPI 1730610254, issued on Mar 26, 2017. Check the license (New York 309327, 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 2023 and 2024 · method · Verify with CMS →

NPPES recordNPPES file of Aug 9, 2026
1730610254
Name
Joseph Kristan
Credential
M.D.
Primary taxonomy
Ophthalmology Physician 207W00000X
License number
309327 NY
Self-reported in NPPES; status is on the state search
Practice location
635 W 165TH St, New York, NY 10032
Phone
(212) 305-9535
Enumerated
Mar 26, 2017
Record last updated
May 21, 2021 (not updated in 5 years: call before relying on the address or phone)
Medicare enrollment
Enrolled (PECOS I20221031000084); accepts Medicare assignment
Medical or professional school
State University Of New York At Stony Brook, School Of Medicine, 2017
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 635 W 165TH St

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

  1. Victor Abraham, MDStudent in an Organized Health Care Education/Training Program1447947007
  2. Molly Algermissen, PHDClinical Psychologist1699800821
  3. James Auran, M.D.Ophthalmology Physician1063438414
  4. Aimee BaezStudent in an Organized Health Care Education/Training Program1790418325
  5. Rajendra Bansal, MDOphthalmology Physician1588627988
  6. Gaetano Barile, M.D.Ophthalmology Physician1689698938

Verify Joseph Kristan 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 309327
    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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33% fewer Medicare Part D claims than the average ophthalmology physician in 2024

1,015 Medicare Part D claims for 277 beneficiaries, against an average of 1,518 among the 16,459 providers of this specialty who prescribed in Part D. Brand-name drugs were 37% of claims.

  1. Joseph Kristan1,015
  2. Specialty average1,518

Most prescribed

  1. Latanoprost179 claims
  2. Prednisolone Acetate116 claims
  3. Moxifloxacin102 claims
  4. Valacyclovir71 claims
  5. Timolol Maleate46 claims
  6. Brimonidine Tartrate42 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 practice group's MIPS final score for 2023 (Medicare payment program): 75.8 of 100

The Merit-based Incentive Payment System score is reported for the practice group, not for one clinician alone. 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 score100.0
  2. Costout of 100 · 30%19.5
  3. Promoting interoperabilitynot scored (reweighted)
  4. Improvement activities40 of 40 points · 15%100.0

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

Industry payments in 2024: $528.36

18 payments; by number, the most common kind was food and beverage; the largest payer was Biotissue Holdings Inc. The 13,221 providers of this specialty with any payment received $4,535.02 on average. Payments are reported by manufacturers, not by the provider, and are not a sign of wrongdoing.

  1. Joseph Kristan$528.36
  2. Specialty average$4,535.02

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. Atlantic Eye Physicians, PAEatontown, NJ

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

Joseph Kristan among 1,822 ophthalmology physician records in New York

Joseph Kristan, M.D. 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 2017, is newer than 92% of them.

  • NPI issued2017 · 92% of these records are older, 7% newer
  • In a Medicare fileYes · 79% of these records are
  • In the CMS Doctors and Clinicians fileYes · 67% of these records are
  • Graduated2017 · 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. James Auran, M.D.New York, NY 100321063438414
  2. Rajendra Bansal, MDNew York, NY 100321588627988
  3. Dana Blumberg, MDNew York, NY 100321548297450
  4. Stanley Chang, M.D.New York, NY 100321639110307
  5. Arthur Cotliar, MDNew York, NY 100321992770630
  6. Jason Horowitz, M.D.New York, NY 100321679535314
  7. Susan Lee, M.D.New York, NY 100321871547752
  8. Jeffrey Liebmann, MDNew York, NY 100321033199450

Common questions

What is Joseph Kristan, M.D.'s NPI number?

Joseph Kristan, M.D.'s National Provider Identifier (NPI) is 1730610254, issued on Mar 26, 2017. An NPI identifies a provider in billing; it is not a license.

Where is Joseph Kristan, M.D. located?

The NPPES record lists a practice address at 635 W 165TH St, New York, NY, 10032. Phone: (212) 305-9535. Providers update this record themselves, so call before visiting.

How can I verify Joseph Kristan, M.D.'s license?

NPPES lists New York license number 309327, 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 Joseph Kristan, M.D. prescribe under Medicare Part D?

In 2024, Joseph Kristan, M.D. had 1,015 Medicare Part D claims for 277 beneficiaries; the average among ophthalmology physician prescribers was 1,518. Part D covers Medicare prescriptions only.

What is Joseph Kristan, M.D.'s MIPS final score?

The 2023 MIPS final score is 75.8 of 100, reported for the practice group. 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.