NPPES file of Aug 9, 2026

Louis Diamond, PA

Physician Assistant · Bergenfield, NJ

Louis Diamond, PA is a physician assistant with a practice address in Bergenfield, New Jersey, and NPI 1265946222, issued on Nov 28, 2017. Check the license (New Jersey 25MP00456500, as entered in NPPES) with the New Jersey board that licenses this profession; 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
1265946222
Name
Louis Diamond
Credential
PA
Primary taxonomy
Physician Assistant 363A00000X
License numbers
25MP00456500 NJ
PA9113658 FL
Self-reported in NPPES; status is on the state search
Practice location
19 S Washington Ave, Bergenfield, NJ 07621
Phone
(201) 387-0177
Enumerated
Nov 28, 2017
Record last updated
Jul 27, 2021 (not updated in 5 years: call before relying on the address or phone)
Medicare enrollment
Enrolled (PECOS I20210211002907); accepts Medicare assignment
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 19 S Washington Ave

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

  1. Nisha DesaiEmergency Medicine Physician1730836479
  2. Yelena Migardos, PAPhysician Assistant1124062781
  3. Brennan Ross, PA-CMedical Physician Assistant1093207086
  4. Wesley Thek, MDEmergency Medicine Physician1275562837

Verify Louis Diamond in five checks

  1. 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
  2. 2LicenseActive license and public ordersWhich New Jersey board licenses this profession
    Search for license 25MP00456500
    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
Find the New Jersey license search

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36% fewer Medicare Part D claims than the average physician assistant in 2024

532 Medicare Part D claims for 451 beneficiaries, against an average of 830 among the 101,058 providers of this specialty who prescribed in Part D. Brand-name drugs were 7% of claims.

  1. Louis Diamond532
  2. Specialty average830

Most prescribed

  1. Azelastine Hcl98 claims
  2. Methylprednisolone78 claims
  3. Amoxicillin-Clavulanate Potass67 claims
  4. Nitrofurantoin Mono-Macro66 claims
  5. Cephalexin47 claims
  6. Fluticasone Propionate29 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): 46.3 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 score51.0
  2. Costout of 100 · 30%60.8
  3. Promoting interoperabilitynot scored (reweighted)
  4. Improvement activities0 of 40 points · 15%0.0

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

9 physician assistant records list a practice address in Bergenfield

They are 9 of the 353 NPPES records with a practice address in Bergenfield, and 3,393 physician assistant records in New Jersey.

Other physician assistant records in New Jersey

  1. Ann Marie Abadeer, PA-C, MHSRamsey, NJ1437796315
  2. Sydney AbajianWayne, NJ1386299774
  3. Bianca Nicole Abantao, PA-CBergenfield, NJ1346167418
  4. Ann Abbate, PA-CFreehold, NJ1932413879
  5. Diana AbbateMarlboro, NJ1790462679
  6. Salma AbdallaBayonne, NJ1437973047
  7. Sarah AbdeldiemRahway, NJ1225400849
  8. Dina Abdelslame, PA-C, DMSClifton, NJ1437802758
  9. Heather Abebe, PACamden, NJ1366523391
  10. Abigail AbecasisEatontown, NJ1982352712

Common questions

What is Louis Diamond, PA's NPI number?

Louis Diamond, PA's National Provider Identifier (NPI) is 1265946222, issued on Nov 28, 2017. An NPI identifies a provider in billing; it is not a license.

Where is Louis Diamond, PA located?

The NPPES record lists a practice address at 19 S Washington Ave, Bergenfield, NJ, 07621. Phone: (201) 387-0177. Providers update this record themselves, so call before visiting.

How can I verify Louis Diamond, PA's license?

NPPES lists New Jersey license number 25MP00456500, as entered by the provider. Search the New Jersey board that licenses this profession; the NPPES record confirms identity only.

How much does Louis Diamond, PA prescribe under Medicare Part D?

In 2024, Louis Diamond, PA had 532 Medicare Part D claims for 451 beneficiaries; the average among physician assistant prescribers was 830. Part D covers Medicare prescriptions only.

What is Louis Diamond, PA's MIPS final score?

The 2023 MIPS final score is 46.3 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.