NPPES file of Aug 9, 2026

John Weiser, MD

Family Medicine Physician · New York, NY

John Weiser, MD is a family medicine physician with a practice address in New York, New York, and NPI 1790779973, issued on Sep 2, 2005. Check the license (New York 195979, 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
1790779973
Name
John Weiser
Credential
MD
Primary taxonomy
Family Medicine Physician 207Q00000X
License number
195979 NY
Self-reported in NPPES; status is on the state search
Practice location
16 E 16TH St, New York, NY 10003
Phone
(212) 924-7744
Enumerated
Sep 2, 2005
Record last updated
Jul 19, 2007 (not updated in 19 years: call before relying on the address or phone)
Fax
(212) 691-2786
Medicaid ID
00903700 NY
Entity
Type 1 · individual
Public record from CMS NPPES (open it on the CMS NPI Registry). A record is not a license: verify it with the state board.
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Also registered at 16 E 16TH St

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

  1. Alison Ainsworth, FNPFamily Nurse Practitioner1871506121
  2. Rahima Alani, MDStudent in an Organized Health Care Education/Training Program1912348590
  3. Goldie Alfasi, PHDPsychologist1972505543
  4. Toni Arenstein, RNDiabetes Educator Registered Nurse1215184429
  5. Nicole Arnold, LMSWSocial Worker1447550611
  6. Emanuel Avezbakiyev, PAPhysician Assistant1447358197

Verify John Weiser 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 195979
    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

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70% fewer Medicare Part D claims than the average family medicine physician in 2024

1,059 Medicare Part D claims for 27 beneficiaries, against an average of 3,544 among the 117,163 providers of this specialty who prescribed in Part D.

  1. John Weiser1,059
  2. Specialty average3,544

Most prescribed

  1. Genvoya89 claims
  2. Biktarvy72 claims
  3. Rosuvastatin Calcium38 claims
  4. Atorvastatin Calcium35 claims
  5. Tivicay35 claims
  6. Metformin Hcl Er32 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.

John Weiser among 6,417 family medicine physician records in New York

John Weiser, MD is one of 6,417 family medicine physician records with a practice address in New York. 81% 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, 91% newer
  • In a Medicare fileYes · 81% of these records are
  • In the CMS Doctors and Clinicians fileNo · 65% of these records are
  • Record last updated2007 · 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 207Q00000X and a New York practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).

Family Medicine Physician providers in New York

There are 6,417 family medicine physician records in New York.

The 8 family medicine physician records with the nearest ZIP codes

  1. Daniel Blumkin, MDNew York, NY 100031215955596
  2. Neil Calman, MDNew York, NY 100031770583759
  3. David D'Souza, M.D.New York, NY 100031992780845
  4. Latifa Degraft-Johnson, M.D.New York, NY 100031538111471
  5. Ginger Gillespie, MDNew York, NY 100031417957481
  6. Mekdes HailuNew York, NY 100031427030824
  7. Claudia Hudson, MDNew York, NY 100031477524544
  8. Francesco Leanza, MDNew York, NY 100031356368146

Common questions

What is John Weiser, MD's NPI number?

John Weiser, MD's National Provider Identifier (NPI) is 1790779973, issued on Sep 2, 2005. An NPI identifies a provider in billing; it is not a license.

Where is John Weiser, MD located?

The NPPES record lists a practice address at 16 E 16TH St, New York, NY, 10003. Phone: (212) 924-7744. Providers update this record themselves, so call before visiting.

How can I verify John Weiser, MD's license?

NPPES lists New York license number 195979, 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 Weiser, MD prescribe under Medicare Part D?

In 2024, John Weiser, MD had 1,059 Medicare Part D claims for 27 beneficiaries; the average among family medicine physician prescribers was 3,544. 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.