John Barbara
NPI 1972882546 · Medical Physician Assistant · Gilroy, CA
Enrolled with Medicare as Practitioner - Physician Assistant · source: CMS PECOS Public Provider Enrollment (2026.04.01)
John Barbara is a Medical Physician Assistant provider in Gilroy, CA (NPI 1972882546).
Provider details
- NPI number
- 1972882546
- Entity type
- Individual
- Primary specialty
- Medical Physician AssistantPhysician Assistants & Advanced Practice Nursing Providers
- Sex
- Male
- Sole proprietor
- No
- License
- PA-19907 (CA)
Specialties & taxonomies
Physician Assistants & Advanced Practice Nursing Providers
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure33% of score
14 yrs in NPPES registry
- Profile completeness33% of score
100% of core fields populated
- Practice footprint20% of score
1 documented practice location
- Open Payments transparency13% of score
Has Open Payments disclosures (2024)
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 prescribes (Medicare Part D)
Top drugs by Medicare Part D claim volume, 2024 · 97 distinct drugs on file.
| Drug | Part D claims (2024) | Beneficiaries |
|---|---|---|
| Atorvastatin Calcium | 485 | 125 |
| Rosuvastatin Calcium | 480 | 145 |
| Losartan Potassium | 469 | 142 |
| Amlodipine Besylate | 336 | 116 |
| Metformin Hcl | 318 | 110 |
| Lisinopril | 229 | 78 |
| Albuterol Sulfate |
Transparency — industry payments
Based on CMS Open Payments, 2024; not all care is captured.
$1,991 across 86 records (Open Payments 2024)
Open Payments discloses payments and transfers of value (meals, travel, consulting, research, royalties) from drug and device makers to providers. This is a transparency signal, not a verdict — such payments are legal and common, and their presence is neither an endorsement nor a criticism. Source: CMS Open Payments, program year 2024.
Practice location
Mailing address
Registry dates
- Enumerated
- 2011-08-12
- Last updated
- 2011-08-12
Frequently asked questions
- What is John Barbara's NPI number?
- John Barbara's National Provider Identifier (NPI) is 1972882546, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is John Barbara's specialty?
- John Barbara is listed in the NPPES registry with a primary specialty of Medical Physician Assistant (Physician Assistants & Advanced Practice Nursing Providers).
- Where is John Barbara located?
- John Barbara's practice location on file with NPPES is 7880 Wren Ave Ste C133, Gilroy, CA 95020-7801.
- What is John Barbara's phone number?
- The practice phone number listed in the NPPES registry for John Barbara is (408) 842-0278.
- Does John Barbara accept Medicare?
- John Barbara is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is John Barbara's NPI active?
- Yes — John Barbara's NPI (1972882546) is active in the NPPES registry as of the last update on 2011-08-12.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.