NPPES file of Aug 9, 2026

Susan Pauline Welgrin, M.D.

Internal Medicine Physician · Williston Park, NY

Susan Pauline Welgrin, M.D. is an internal medicine physician with a practice address in Williston Park, New York, and NPI 1518970888, issued on Aug 15, 2006. Check the license (New York 187440, 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
1518970888
Name
Susan Pauline Welgrin
Credential
M.D.
Primary taxonomy
Internal Medicine Physician 207R00000X
License number
187440 NY
Self-reported in NPPES; status is on the state search
Practice location
465 Willis Ave, Williston Park, NY 11596
Phone
(516) 294-3535
Enumerated
Aug 15, 2006
Record last updated
Jul 8, 2007 (not updated in 19 years: call before relying on the address or phone)
Fax
(516) 294-6451
Medicare enrollment
Enrolled (PECOS I20061024000021); accepts Medicare assignment
Medical or professional school
Albany Medical College Of Union University, 1990
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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Verify Susan Pauline Welgrin 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 187440
    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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64% fewer Medicare Part D claims than the average internal medicine physician in 2024

1,145 Medicare Part D claims for 346 beneficiaries, against an average of 3,176 among the 108,855 providers of this specialty who prescribed in Part D. 14 claims were for opioids.

  1. Susan Welgrin1,145
  2. Specialty average3,176

Most prescribed

  1. Azithromycin101 claims
  2. Amoxicillin-Clavulanate Potass62 claims
  3. Amoxicillin48 claims
  4. Ciprofloxacin Hcl48 claims
  5. Lisinopril46 claims
  6. Simvastatin42 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): 16.7 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%55.7
  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).

Internal Medicine Physician providers in New York

There are 12,067 internal medicine physician records in New York.

Other internal medicine physician records in New York

  1. Deborah Aanonsen, D.O.Staten Island, NY1952395717
  2. Nivedita Aanur, M.D.New York, NY1982833471
  3. Jay Aaron, MDGreat Neck, NY1245332956
  4. Ahmad AbadiPoughkeepsie, NY1780258517
  5. Jamsheed Abadi, MDBrooklyn, NY1477537496
  6. Antonieta Abarientos, MDNew Rochelle, NY1649285123
  7. Zurab Abayev, M.D.Brooklyn, NY1841283058
  8. Ehab Abaza, MDNew York, NY1114507555
  9. Vaidarshi Abbagoni, MDNew York, NY1871237495
  10. Muhammad AbbasRichmond Hill, NY1053996587

Common questions

What is Susan Pauline Welgrin, M.D.'s NPI number?

Susan Pauline Welgrin, M.D.'s National Provider Identifier (NPI) is 1518970888, issued on Aug 15, 2006. An NPI identifies a provider in billing; it is not a license.

Where is Susan Pauline Welgrin, M.D. located?

The NPPES record lists a practice address at 465 Willis Ave, Williston Park, NY, 11596. Phone: (516) 294-3535. Providers update this record themselves, so call before visiting.

How can I verify Susan Pauline Welgrin, M.D.'s license?

NPPES lists New York license number 187440, 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 Susan Pauline Welgrin, M.D. prescribe under Medicare Part D?

In 2024, Susan Pauline Welgrin, M.D. had 1,145 Medicare Part D claims for 346 beneficiaries; the average among internal medicine physician prescribers was 3,176. Part D covers Medicare prescriptions only.

What is Susan Pauline Welgrin, M.D.'s MIPS final score?

The 2023 MIPS final score is 16.7 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.