Ann Bollay, MD
NPI 1487610333 · Hospitalist Physician · San Luis Obispo, CA
Enrolled with Medicare as Practitioner - Hospitalist · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Ann Bollay, MD is a Hospitalist Physician provider in San Luis Obispo, CA (NPI 1487610333).
Provider details
- NPI number
- 1487610333
- Entity type
- Individual
- Primary specialty
- Hospitalist PhysicianAllopathic & Osteopathic Physicians
- Credential
- MD
- Sex
- Female
- Sole proprietor
- No
- License
- G78858 (CA)
Specialties & taxonomies
Allopathic & Osteopathic Physicians
Allopathic & Osteopathic Physicians
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure33% of score
20 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 · 20 distinct drugs on file.
| Drug | Part D claims (2024) |
|---|---|
| Bictegrav/Emtricit/Tenofov Alabrand: Biktarvy | 77 |
| Atorvastatin Calcium | 55 |
| Dolutegravir Sodium/Lamivudinebrand: Dovato | 38 |
| Dolutegravir Sodiumbrand: Tivicay | 31 |
| Abacavir/Dolutegravir/Lamivudibrand: Triumeq | 23 |
| Ketoconazole | 22 |
| Losartan Potassium | 22 |
| Ritonavir | 17 |
| Testosterone Cypionate |
Transparency — industry payments
Based on CMS Open Payments, 2024; not all care is captured.
$393 across 6 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
- 2006-04-20
- Last updated
- 2020-07-17
- Certified
- 2020-07-17
Frequently asked questions
- What is Ann Bollay's NPI number?
- Ann Bollay's National Provider Identifier (NPI) is 1487610333, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Ann Bollay's specialty?
- Ann Bollay is listed in the NPPES registry with a primary specialty of Hospitalist Physician (Allopathic & Osteopathic Physicians).
- Where is Ann Bollay located?
- Ann Bollay's practice location on file with NPPES is 77 Casa St Ste 201, San Luis Obispo, CA 93405-5806.
- What is Ann Bollay's phone number?
- The practice phone number listed in the NPPES registry for Ann Bollay is (805) 269-1566.
- Does Ann Bollay accept Medicare?
- Ann Bollay is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Ann Bollay's NPI active?
- Yes — Ann Bollay's NPI (1487610333) is active in the NPPES registry as of the last update on 2020-07-17.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.