Dr. Ann L. Bollay, MD
- Medicare services, 2020
- 69
- Part D claims, 2024
- 619
- Hospital affiliations
- 1
- Industry payments
- $2,512
- Medical groups
- 2
- Practice address
- 1911 Johnson Ave, San Luis Obispo, CA 93401
- Practice phone
- Call (805) 543-5353
- Professional email
- Get professional email
- Personal email
- Get personal email
- Mobile number
- Get mobile number
Find Dr. Bollay's professional email, personal email and mobile number
Dmand AI checks each channel through healthcare-specific waterfall enrichment. See what is on file with a free account, with practice phones, licenses and affiliations.
Dr. Ann L. Bollay is a hospitalist in San Luis Obispo, California
Dr. Bollay practices at Dignity Health - French Hospital Medical Center in San Luis Obispo, California, part of CommonSpirit Health.
Dr. Bollay's NPI, 1487610333, was assigned on April 20, 2006. Dr. Bollay graduated from OHSU School of Medicine in 1986. Dr. Bollay holds California license G78858.
- NPI
- 1487610333NPI Registry (opens in a new tab)
- NPI enumeration date
- April 20, 2006
- NPI status
- Active
- Practice phone
- (805) 543-5353
- Professional email
- Get email
- Personal email
- Get email
- Mobile number
- Get number
- Sex
- Female
- Estimated age
- 66
- Medical school graduation
- 1986
Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; and Dmand AI Affiliation Data
Dr. Ann L. Bollay practices at Dignity Health - French Hospital Medical Center in San Luis Obispo, California
Dr. Bollay's primary practice is Dignity Health - French Hospital Medical Center, at 1911 Johnson Ave, San Luis Obispo, CA 93401 in San Luis Obispo County. The practice phone is (805) 543-5353.
- Dignity Health - French Hospital Medical Center1911 Johnson Ave, San Luis Obispo, CA 93401 · San Luis Obispo CountyPhone(805) 543-5353
Source: Dmand AI Affiliation Data
Dr. Ann L. Bollay is affiliated with 2 sites of care and 2 medical groups
Dr. Bollay's primary practice is Dignity Health - French Hospital Medical Center in San Luis Obispo, California, part of CommonSpirit Health. The medical group on file is Community Health Centers of the Central Coast, Inc. Dmand AI also links Dr. Bollay to 1 more group practice or clinic and 1 medical group, each named with a free account.
Sources: Dmand AI Affiliation Data; and Dmand AI Org Hierarchy Data
Dmand AI tracks the EHR system at Dr. Ann L. Bollay's practice
Dmand AI tracks the electronic health record (EHR) system at each site where Dr. Bollay practices, 2 sites in all. Vendor and product names are available with a free account.
| Site | EHR vendor and product |
|---|---|
| Dignity Health - French Hospital Medical Center | Available with a free account |
| +1 more site and 1 medical group | Available with a free account |
Source: Dmand AI Technology Install Data
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Dr. Ann L. Bollay is one of 3,186 hospitalists in California
Hospitalist is Dr. Bollay's primary specialty in the NPI Registry, under taxonomy code 208M00000X. Dr. Bollay is board certified in certified by the American Academy of HIV Medicine. Dmand AI has Dr. Bollay's licenses on file in 4 states: California, Hawaii, Washington and Oregon.
Specialties and state licenses
- Hospitalist, CaliforniaPrimary
- Hawaii license
- Washington license
- Oregon license
Hospitalists near Dr. Bollay
Counts of hospitalists with a Dmand AI profile, by place and practice. Each opens the list.
Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; and Dmand AI Peer Benchmarks
Dr. Ann L. Bollay billed Medicare for 69 services in 2020
CMS data shows 69 Medicare services from Dr. Bollay across 2 procedure codes in 2020. Medicare paid $5,617 for them. Every service was in a facility, such as a hospital, rather than an office.
Dr. Bollay's Medicare services by type, 2019 to 2020
- 2019
- 2020
- Office and hospital visits
- 2019: 4682020: 6985%
Dr. Bollay compared with the California median for hospitalists, 2020
- Dr. Bollay
- California median
- Medicare services
- 69vs 43084% below
- Part D claims
- 438vs 696.3 times
Medians across 2,991 hospitalists in California with Dmand AI profiles that report each measure.
Dr. Bollay's most billed Medicare procedure codes, 2020
CMS publishes codes billed for 11 or more Medicare patients. Each label is the code family; CPT descriptions are licensed by the AMA.
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Sources: Medicare Physician & Other Practitioners - by Provider and Service (CMS), 2024 data; and Dmand AI Peer Benchmarks
Dr. Ann L. Bollay's patients have a median age of 48
Across all payers, Dmand AI patient panel data puts Dr. Bollay's median patient age at 48, with 18% women.
Dr. Bollay's patients across all payers
Dmand AI patient panel data covers Medicare, Medicaid and commercial patients.
Patient panel by age, all payers
Median age 48
Patient panel by sex, all payers
- Women18%
- Men82%
Source: Dmand AI Patient Panel Data
Dr. Ann L. Bollay wrote 619 Medicare Part D claims in 2024
In 2024, Dr. Bollay wrote 619 Medicare Part D claims for 35 patients. 55% of them were for generic drugs. CMS names the drug for 438 of them, across 20 drugs with 11 or more claims each, at $632,263 in total drug cost. In 2023, CMS named 311 claims across 17 drugs.
Dr. Bollay's Part D claims by kind of drug, 2024
- Generic343 claims55%
- Brand-name276 claims45%
Dr. Bollay's most prescribed drugs by claims, 2024
CMS names a drug when it has 11 or more claims. Share is of the claims for drugs CMS names.
Drug classes CMS tracks in Dr. Bollay's Part D claims, 2024
- Opioids2%11 of 619 claims
- Antibiotics4%22 of 619 claims
- Antipsychotics, patients 65 and over2%12 of 619 claims
Share of all Part D claims for each drug class CMS reports on. Classes with no claims are left out.
Part D claims for drugs CMS names, 2023 to 2024
- 2023
- 2024
- Claims for drugs CMS names
- 2023: 3112024: 43841%
Drugs named by CMS: 20 in 2024, 17 in 2023.
Sources: Medicare Part D Prescribers - by Provider and Drug (CMS), 2024 data, released May 6, 2026; and Medicare Part D Prescribers - by Provider (CMS), 2024 data
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Dr. Ann L. Bollay received $2,512 in industry payments from 2016 to 2025
CMS Open Payments shows 45 general payments to Dr. Bollay from 4 drug and device companies from 2016 to 2025. Food and beverage make up the largest share, 100% of the total. Gilead Sciences, Inc. paid the most, $1,434.
General payments to Dr. Bollay by program year, 2016 to 2025
Companies that paid Dr. Bollay the most, 2016 to 2025
Share is of all general payments to this clinician.
Source: Open Payments (CMS), 2025 data, released July 7, 2026
Dr. Ann L. Bollay graduated from OHSU School of Medicine
Dr. Bollay graduated from OHSU School of Medicine in 1986. Dr. Bollay is a member of American Academy of HIV Medicine and ACP.
- Medical school
- Board certified in certified
- Board certified in internal medicine
Source: Dmand AI Professional Profile Data
Dr. Ann L. Bollay accepts plans from 5 insurance carriers
Dr. Bollay is in network with 5 carriers, including Elevance, United Healthcare and Blue Cross Blue Shield of Michigan. PPO plans come from the most carriers, 4. Check the plan with the practice before a visit.
- Elevance
- United Healthcare
- Blue Cross Blue Shield of Michigan
- HCSC
- Blue Cross and Blue Shield of Kansas City
Plan types Dr. Bollay accepts, by number of carriers
- PPO4
- HMO3
- Medicare3
- POS3
- EPO2
Source: Dmand AI Insurance Network Data
Sources for Dr. Ann L. Bollay's profile data
| Data on this page | Source |
|---|---|
| NPI, name, sex, specialty and licenses | NPPES NPI Registry (CMS) (opens in a new tab)Dmand AI Professional Profile Data |
| Practice locations and phone | Dmand AI Affiliation Data |
| Primary practice, affiliations and health system | Dmand AI Affiliation DataDmand AI Org Hierarchy Data |
| Medicare services and procedure codes | Medicare Physician & Other Practitioners - by Provider and Service (CMS) (opens in a new tab) |
| State medians for the same specialty | Dmand AI Peer Benchmarks |
| Medicare patients and the all-payer patient panel | Dmand AI Patient Panel Data |
| Part D prescribing | Medicare Part D Prescribers - by Provider and Drug (CMS) (opens in a new tab)Medicare Part D Prescribers - by Provider (CMS) (opens in a new tab) |
| Industry payments | Open Payments (CMS) (opens in a new tab) |
| Training, board certification and memberships | Dmand AI Professional Profile Data |
| Insurance carriers and plan types | Dmand AI Insurance Network Data |
| EHR at each practice site | Dmand AI Technology Install Data |
| Similar physicians | Dmand AI Affiliation Data |
Data last refreshed October 2026Report an inaccuracyRemove my information
FAQ
Frequently asked questions about Dr. Ann L. Bollay
Spotted something out of date? Email hello@dmand.ai and we will check the record. Contact details live in the free trial.
What is Dr. Ann L. Bollay's NPI number?
Dr. Ann L. Bollay's NPI number is 1487610333. It was assigned on April 20, 2006, and it is active in the NPI Registry.
What kind of doctor is Dr. Ann L. Bollay?
Dr. Ann L. Bollay is a hospitalist in San Luis Obispo, California. The primary specialty in the NPI Registry is Hospitalist Physician (taxonomy code 208M00000X).
Where does Dr. Ann L. Bollay practice?
Dr. Bollay practices at 1911 Johnson Ave, San Luis Obispo, CA 93401. Dr. Bollay's primary practice is Dignity Health - French Hospital Medical Center in San Luis Obispo, California, part of CommonSpirit Health. Dmand AI also links Dr. Bollay to 1 group practice or clinic and 1 medical group.
What is Dr. Ann L. Bollay's office phone number?
The practice phone on file for Dr. Bollay is (805) 543-5353.
What is Dr. Ann L. Bollay's medical license number?
Dr. Bollay holds California license G78858, one of the licenses on file in 4 states.
Which states has Dr. Ann L. Bollay been licensed in?
Dmand AI has state licenses on file for Dr. Bollay in California (1994 to 2026), Hawaii (2005 to 2016), Washington (1993 to 1997) and Oregon (1987 to 1993).
Which hospitals is Dr. Ann L. Bollay affiliated with?
Dr. Bollay practices at Dignity Health - French Hospital Medical Center in San Luis Obispo, California.
What medical group is Dr. Ann L. Bollay part of?
Dr. Bollay is linked to Community Health Centers of the Central Coast, Inc. Dmand AI links Dr. Bollay to 1 more medical group.
Does Dr. Ann L. Bollay accept Medicare?
Yes. CMS data shows Dr. Bollay billed Medicare for 69 services in 2020.
Is Dr. Ann L. Bollay board certified?
Yes. Dr. Bollay is board certified in certified by the American Academy of HIV Medicine.
Show 6 more questionsShow fewer questions
What services does Dr. Ann L. Bollay bill to Medicare?
In 2020, Dr. Bollay's most billed Medicare services were hospital inpatient care (99233) and hospital inpatient care (99239).
Where did Dr. Ann L. Bollay go to medical school?
Dr. Bollay graduated from OHSU School of Medicine in 1986.
What drugs does Dr. Ann L. Bollay prescribe most?
In 2024 Medicare Part D data, Dr. Bollay's most prescribed drugs by claims were Biktarvy, Atorvastatin Calcium and Dovato.
Has Dr. Ann L. Bollay received payments from drug or device companies?
CMS Open Payments shows $2,512 in general payments to Dr. Bollay from 4 companies from 2016 to 2025. The largest total came from Gilead Sciences, Inc.
How long has Dr. Ann L. Bollay been practicing?
Dr. Bollay graduated from medical school in 1986, 40 years ago.
What insurance does Dr. Ann L. Bollay accept?
Dr. Bollay is in network with 5 carriers, including Elevance, United Healthcare and Blue Cross Blue Shield of Michigan. PPO plans come from the most carriers, 4. Check the plan with the practice before a visit.
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