Registry data as of Aug 27, 2026

Neil Gaffin, M.D.

Infectious Disease Physician · Ridgewood, NJ

Neil Gaffin, M.D. is an infectious disease physician with a practice address in Ridgewood, New Jersey, and NPI 1649259045, issued on Jan 13, 2006. Check the license on the New Jersey State Board of Medical Examiners; the Medicare figures below come from public CMS files.

Record from CMS NPPES, loaded Aug 27, 2026 · Medicare files 2023 and 2024 · method · Verify with CMS →

NPPES recordas of Aug 27, 2026
1649259045
Name
Neil Gaffin
Credential
M.D.
Primary taxonomy
Infectious Disease Physician 207RI0200X
Practice location
947 Linwood Ave, Ridgewood, NJ 07450
Phone
(201) 447-6468
Enumerated
Jan 13, 2006
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 947 Linwood Ave

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

  1. Kiran Amesur, M.D.Ophthalmology Physician1104900778
  2. Amy Hall, NPAcute Care Nurse Practitioner1851733356
  3. Adam Kelman, M.D.Endocrinology, Diabetes & Metabolism Physician1912065442
  4. Esther Lee, MDEndocrinology, Diabetes & Metabolism Physician1952545162
  5. Umar Sharif Khawaja, MBBSEndocrinology, Diabetes & Metabolism Physician1508399163
  6. Carol Sotsky, M.D.Infectious Disease Physician1710966064

Verify Neil Gaffin in five checks

  1. 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
  2. 2LicenseActive license and public ordersNew Jersey State Board of Medical ExaminersCheck 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 Jersey 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.

67% fewer Medicare Part D claims than the average infectious disease physician in 2024

270 Medicare Part D claims for 119 beneficiaries, against an average of 807 among the 5,613 providers of this specialty who prescribed in Part D. Brand-name drugs were 16% of claims.

  1. Neil Gaffin270
  2. Specialty average807

Most prescribed

  1. Cefadroxil45 claims
  2. Vancomycin Hcl39 claims
  3. Genvoya30 claims
  4. Ceftriaxone18 claims
  5. Cefuroxime17 claims
  6. Doxycycline Hyclate17 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 Medicare quality score for 2023: 98.7 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 score93.6
  2. Costout of 100 · 30%
  3. Promoting interoperabilityout of 100 · 25%100.0
  4. Improvement activities40 of 40 points · 15%100.0

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

Industry payments in 2024: $2,962.50

1 payment, mostly consulting fee; the largest payer was Shionogi Inc. The 3,057 providers of this specialty with any payment received $4,644.86 on average. Payments are reported by manufacturers, not by the provider, and are not a sign of wrongdoing.

  1. Neil Gaffin$2,962.50
  2. Specialty average$4,644.86

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

One hospital or facility affiliation

  1. Ridgewood Infectious Disease Associates, PARidgewood, NJ

Source: CMS Doctors and Clinicians affiliations; Hospital General Information (Care Compare) (data.cms.gov). Star ratings are CMS hospital ratings, not ratings of this provider.

Infectious Disease Physician providers in New Jersey

There are 309 infectious disease physician records in New Jersey.

Other infectious disease physician records in New Jersey

  1. Foad Abandeh, MBBSMount Laurel, NJ1013215854
  2. Rania Aboujaoude, M.D.Browns Mills, NJ1801839667
  3. Amany Abu Hanoud, M.DNewark, NJ1962885574
  4. Alexander Ackley, M.D.Princeton, NJ1598799108
  5. Ariff Admani, M.D.Belleville, NJ1770554263
  6. Khalid Ahmad, MDRed Bank, NJ1023001252
  7. Nasir Ahmad, MDOld Bridge, NJ1598730186
  8. Susanne Ajao, MDNewark, NJ1205312337
  9. David Alcid, MDNew Brunswick, NJ1851342380
  10. Maria Alivisatos, MDPrinceton, NJ1124360086

Common questions

What is Neil Gaffin, M.D.'s NPI number?

Neil Gaffin, M.D.'s National Provider Identifier (NPI) is 1649259045, issued on Jan 13, 2006. An NPI identifies a provider in billing; it is not a license.

Where is Neil Gaffin, M.D. located?

The NPPES record lists a practice address at 947 Linwood Ave, Ridgewood, NJ, 07450. Phone: (201) 447-6468. Providers update this record themselves, so call before visiting.

How can I verify Neil Gaffin, M.D.'s license?

Search the New Jersey State Board of Medical Examiners at https://newjersey.mylicense.com/verification/. The NPPES record confirms identity only; the state search shows license status, expiration and public orders.

How much does Neil Gaffin, M.D. prescribe under Medicare Part D?

In 2024, Neil Gaffin, M.D. had 270 Medicare Part D claims for 119 beneficiaries; the average among infectious disease physician prescribers was 807. Part D covers Medicare prescriptions only.

What is Neil Gaffin, M.D.'s Medicare quality score?

The 2023 MIPS final score is 98.7 of 100. The average among 454,083 clinicians with a measured score was 83.5.

Source: CMS National Plan and Provider Enumeration System (NPPES), loaded Aug 27, 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.

Every figure on PlainDoctor is rendered directly from the federal CMS NPPES registry, Medicare Part D, MIPS, and Open Payments records, no number is typed in by an editor. See our editorial standards & corrections policy, the methodology behind these numbers, or report a data error. Data current as of Aug 27, 2026.