John Butler
NPI 1528741774 · Physician Assistant · Santa Maria, CA
Enrolled with Medicare as Order and Referring Only - Physician Assistant · source: CMS PECOS Public Provider Enrollment (2026.04.01)
John Butler is a Physician Assistant provider in Santa Maria, CA (NPI 1528741774).
Provider details
- NPI number
- 1528741774
- Entity type
- Individual
- Primary specialty
- Physician AssistantPhysician Assistants & Advanced Practice Nursing Providers
- Sex
- Male
- Sole proprietor
- Yes
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
2 yrs in NPPES registry
- Profile completeness33% of score
83% 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 · 28 distinct drugs on file.
| Drug | Part D claims (2024) | Beneficiaries |
|---|---|---|
| Amlodipine Besylate | 71 | 29 |
| Atorvastatin Calcium | 65 | 28 |
| Lisinopril | 57 | 24 |
| Losartan Potassium | 42 | 22 |
| Albuterol Sulfatebrand: Albuterol Sulfate Hfa | 39 | 22 |
| Metformin Hcl | 38 | 14 |
Transparency — industry payments
Based on CMS Open Payments, 2024; not all care is captured.
$337 across 8 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
- 2023-08-14
- Last updated
- 2023-08-14
- Certified
- 2023-08-13
Frequently asked questions
- What is John Butler's NPI number?
- John Butler's National Provider Identifier (NPI) is 1528741774, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is John Butler's specialty?
- John Butler is listed in the NPPES registry with a primary specialty of Physician Assistant (Physician Assistants & Advanced Practice Nursing Providers).
- Where is John Butler located?
- John Butler's practice location on file with NPPES is 2050 S Blosser Rd, Santa Maria, CA 93458-7310.
- What is John Butler's phone number?
- The practice phone number listed in the NPPES registry for John Butler is (866) 614-4636.
- Does John Butler accept Medicare?
- John Butler is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is John Butler's NPI active?
- Yes — John Butler's NPI (1528741774) is active in the NPPES registry as of the last update on 2023-08-14.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.