Louis Diamond, PA
NPI 1265946222 · Physician Assistant · Bergenfield, NJ
Enrolled with Medicare as Practitioner - Physician Assistant · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Louis Diamond, PA is a Physician Assistant provider in Bergenfield, NJ (NPI 1265946222).
Provider details
- NPI number
- 1265946222
- Entity type
- Individual
- Primary specialty
- Physician AssistantPhysician Assistants & Advanced Practice Nursing Providers
- Credential
- PA
- Sex
- Male
- Sole proprietor
- Yes
- License
- 25MP00456500 (NJ)
Specialties & taxonomies
Physician Assistants & Advanced Practice Nursing Providers
Physician Assistants & Advanced Practice Nursing Providers
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure28% of score
8 yrs in NPPES registry
- Profile completeness28% of score
100% of core fields populated
- Practice footprint17% of score
1 documented practice location
- Medicare service volume (vs. specialty peers)28% of score
1,163 Medicare services, 2024 (ranked within specialty)
Medicare volume is ranked against active providers in the same specialty. Signals a provider has no public data for (e.g. Medicare claims) are left out of the score entirely — never counted as zero — so providers without that data are not penalized. See the full formula and weights in our methodology.
What this provider does (Medicare)
Based on Medicare fee-for-service claims, 2024; not all care is captured.
| Service (HCPCS) | Medicare services | Typical Medicare-allowed (2024) |
|---|---|---|
| Established Patient Office Or Other Outpatient Visit With Low Level OD Decision Making, If Using Time, 20 Minutes Or More99213 | 357 | $76 |
| Established Patient Office Or Other Outpatient Visit With Straightforward Medical Decision Making, If Using Time, 10 Minutes Or More99212 | 235 | $47 |
| New Patient Office Or Other Outpatient Visit With Low Level of Medical Decision Making, If Using Time, 30 Minutes Or More99203 | 188 | $94 |
| New Patient Office Or Other Outpatient Visit With Straightforward Medical Decision Making, If Using Time, 15 Minutes Or More99202 | 149 | $60 |
| Automated Urinalysis Test81003 | 93 | $2 |
| Detection Test By Immunoassay With Direct Visual Observation for Influenza Virus87804 |
What this provider prescribes (Medicare Part D)
Top drugs by Medicare Part D claim volume, 2024 · 10 distinct drugs on file.
| Drug | Part D claims (2024) | Beneficiaries |
|---|---|---|
| Azelastine Hcl | 98 | 97 |
| Methylprednisolone | 78 | 77 |
| Amoxicillin/Potassium Clavbrand: Amoxicillin-Clavulanate Potass | 67 | 67 |
| Nitrofurantoin Monohyd/M-Crystbrand: Nitrofurantoin Mono-Macro | 66 | 63 |
| Cephalexin | 47 | 47 |
| Fluticasone Propionate | 29 | 29 |
| Doxycycline Hyclate | 28 | 28 |
Practice location
Mailing address
Registry dates
- Enumerated
- 2017-11-28
- Last updated
- 2021-07-27
- Certified
- 2021-07-27
Frequently asked questions
- What is Louis Diamond's NPI number?
- Louis Diamond's National Provider Identifier (NPI) is 1265946222, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Louis Diamond's specialty?
- Louis Diamond is listed in the NPPES registry with a primary specialty of Physician Assistant (Physician Assistants & Advanced Practice Nursing Providers).
- Where is Louis Diamond located?
- Louis Diamond's practice location on file with NPPES is 19 S Washington Ave, Bergenfield, NJ 07621-2324.
- What is Louis Diamond's phone number?
- The practice phone number listed in the NPPES registry for Louis Diamond is (201) 387-0177.
- Does Louis Diamond accept Medicare?
- Louis Diamond is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Louis Diamond's NPI active?
- Yes — Louis Diamond's NPI (1265946222) is active in the NPPES registry as of the last update on 2021-07-27.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.