Ahna Olson, P.A.
Physician Assistant · Palo Alto, CA
Ahna Olson, P.A. is a physician assistant with a practice address in Palo Alto, California, and NPI 1528512225, issued on Aug 10, 2016. Check the license (California 54877, as entered in NPPES) with the California board that licenses this profession; the Medicare figures below come from public CMS files.
- Name
- Ahna Olson
- Credential
- P.A.
- Primary taxonomy
- Physician Assistant 363A00000X
- License numbers
- 54877 CA
PA031276 DC
Self-reported in NPPES; status is on the state search - Practice location
- 795 EL Camino Real, Palo Alto, CA 94301
- Phone
- (650) 253-2977
- Enumerated
- Aug 10, 2016
- Record last updated
- Jul 7, 2025
- Entity
- Type 1 · individual
8 nearest physician assistant records → All 14,451 in California → Look up another NPI →
Also registered at 795 EL Camino Real
A shared address usually means a shared clinic or building; it does not show who employs whom.
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Verify Ahna Olson in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersWhich California board licenses this profession
Search for license 54877Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
81% fewer Medicare Part D claims than the average physician assistant in 2024
159 Medicare Part D claims for 89 beneficiaries, against an average of 830 among the 101,058 providers of this specialty who prescribed in Part D. Brand-name drugs were 8% of claims.
Most prescribed
- Lidocaine12 claims
- Omeprazole12 claims
Source: CMS Medicare Part D Prescribers by Provider and Drug, 2024 (data.cms.gov). Part D covers prescriptions for Medicare patients only; drugs with fewer than 11 claims are not published.
Ahna Olson among 14,451 physician assistant records in California
Ahna Olson, P.A. is one of 14,451 physician assistant records with a practice address in California. 75% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2016, is newer than 44% of them.
- NPI issued2016 · 44% of these records are older, 53% newer
- In a Medicare fileYes · 75% of these records are
- In the CMS Doctors and Clinicians fileNo · 50% of these records are
- Record last updated2025 · 40% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 363A00000X and a California practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
155 physician assistant records list a practice address in Palo Alto
They are 155 of the 7,617 NPPES records with a practice address in Palo Alto, and 14,451 physician assistant records in California.
All 14,451 in California → Every provider in Palo Alto → Physician Assistant nationwide →
The 8 physician assistant records with the nearest ZIP codes
- Sean Cutright, P.A.Palo Alto, CA 943011063581239
- Kathleen Erickson, PAPalo Alto, CA 943011063567295
- Sandra Ewers, PAPalo Alto, CA 943011104915370
- Kelly Heath, P.A-CPalo Alto, CA 943011174553168
- Zan Huang, PAPalo Alto, CA 943011831330240
- Douglas Jacobs, PAPalo Alto, CA 943011972639839
- Steven Johnson, P.A.Palo Alto, CA 943011063584126
- Danny Kay, P.A.-CPalo Alto, CA 943011568613339
Common questions
What is Ahna Olson, P.A.'s NPI number?
Ahna Olson, P.A.'s National Provider Identifier (NPI) is 1528512225, issued on Aug 10, 2016. An NPI identifies a provider in billing; it is not a license.
Where is Ahna Olson, P.A. located?
The NPPES record lists a practice address at 795 EL Camino Real, Palo Alto, CA, 94301. Phone: (650) 253-2977. Providers update this record themselves, so call before visiting.
How can I verify Ahna Olson, P.A.'s license?
NPPES lists California license number 54877, as entered by the provider. Search the California board that licenses this profession; the NPPES record confirms identity only.
How much does Ahna Olson, P.A. prescribe under Medicare Part D?
In 2024, Ahna Olson, P.A. had 159 Medicare Part D claims for 89 beneficiaries; the average among physician assistant prescribers was 830. Part D covers Medicare prescriptions only.
Source: CMS National Plan and Provider Enumeration System (NPPES), file of Aug 9, 2026 (NPPES files on CMS.gov); NUCC Health Care Provider Taxonomy. Medicare files from data.cms.gov. An NPI identifies who bills; it is not a license.
Figures on PlainDoctor are read from the federal files each page names (CMS NPPES, Medicare Part D, MIPS, Open Payments; the HHS-OIG exclusion list only as counts) and from Census population estimates, with the file date shown beside them. See our editorial standards & corrections policy, the methodology behind these numbers, or report a data error. Data current as of Aug 9, 2026.