NPPES file of Aug 9, 2026

Julian Michael Klapowitz, M.D.

Internal Medicine Physician · New York, NY

Julian Michael Klapowitz, M.D. is an internal medicine physician with a practice address in New York, New York, and NPI 1013001759, issued on Oct 3, 2006. Check the license (New York 204477, 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
1013001759
Name
Julian Michael Klapowitz
Credential
M.D.
Primary taxonomy
Internal Medicine Physician 207R00000X
License number
204477 NY
Self-reported in NPPES; status is on the state search
Practice location
133 E 58TH St Ste 1403, New York, NY 10022
Phone
(212) 861-8976
Enumerated
Oct 3, 2006
Record last updated
Dec 8, 2024
Fax
(212) 472-8396
Medicare enrollment
Enrolled (PECOS I20110215000238); accepts Medicare assignment
Medical or professional school
State University Of Ny Upstate Medical University, 1995
Telehealth
Offers telehealth (CMS)
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.
Download card Updates feed

Verify Julian Michael Klapowitz 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 204477
    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.

Is this page about you? You can ask us to correct, restrict or remove it: how.

4% fewer Medicare Part D claims than the average internal medicine physician in 2024

3,045 Medicare Part D claims for 251 beneficiaries, against an average of 3,176 among the 108,855 providers of this specialty who prescribed in Part D. 68 claims were for opioids.

  1. Julian Klapowitz3,045
  2. Specialty average3,176

Most prescribed

  1. Atorvastatin Calcium314 claims
  2. Amlodipine Besylate221 claims
  3. Losartan Potassium106 claims
  4. Zolpidem Tartrate98 claims
  5. Levothyroxine Sodium97 claims
  6. Rosuvastatin Calcium95 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): 19.4 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. Costout of 100 · 30%64.7
  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: $1,479.26

75 payments; by number, the most common kind was food and beverage; the largest payer was GlaxoSmithKline, LLC. The 50,334 providers of this specialty with any payment received $1,303.06 on average. Payments are reported by manufacturers, not by the provider, and are not a sign of wrongdoing.

  1. Julian Klapowitz$1,479.26
  2. Specialty average$1,303.06

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

Julian Michael Klapowitz among 12,067 internal medicine physician records in New York

Julian Michael Klapowitz, M.D. is one of 12,067 internal medicine 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 8% of them.

  • NPI issued2006 · 8% of these records are older, 53% newer
  • In a Medicare fileYes · 79% of these records are
  • In the CMS Doctors and Clinicians fileYes · 60% of these records are
  • Graduated1995 · median 2002 among the 7,221 with a school on file
  • Record last updated2024 · 61% of these records were not updated in five years or more

Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 207R00000X and a New York practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).

2,434 internal medicine physician records list a practice address in New York

They are 2,434 of the 98,468 NPPES records with a practice address in New York, and 12,067 internal medicine physician records in New York.

The 8 internal medicine physician records with the nearest ZIP codes

  1. Howard Adler, M.D.New York, NY 100221629078803
  2. David Case, M.D.New York, NY 100221699771758
  3. Alan Dechiario, M.D.New York, NY 100221497751523
  4. Eric Goldberg, MDNew York, NY 100221659379014
  5. Edward Greaney, MDNew York, NY 100221265430714
  6. Ellen Mellow, MDNew York, NY 100221366444259
  7. Deena Nelson, M.D.New York, NY 100221992701551
  8. Mary Parker, M.D.New York, NY 100221790781789

Common questions

What is Julian Michael Klapowitz, M.D.'s NPI number?

Julian Michael Klapowitz, M.D.'s National Provider Identifier (NPI) is 1013001759, issued on Oct 3, 2006. An NPI identifies a provider in billing; it is not a license.

Where is Julian Michael Klapowitz, M.D. located?

The NPPES record lists a practice address at 133 E 58TH St Ste 1403, New York, NY, 10022. Phone: (212) 861-8976. Providers update this record themselves, so call before visiting.

How can I verify Julian Michael Klapowitz, M.D.'s license?

NPPES lists New York license number 204477, 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 Julian Michael Klapowitz, M.D. prescribe under Medicare Part D?

In 2024, Julian Michael Klapowitz, M.D. had 3,045 Medicare Part D claims for 251 beneficiaries; the average among internal medicine physician prescribers was 3,176. Part D covers Medicare prescriptions only.

What is Julian Michael Klapowitz, M.D.'s MIPS final score?

The 2023 MIPS final score is 19.4 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.