Odessa Holbrooke Speirs, P.A.
Physician Assistant · Fountain Valley, CA
Odessa Holbrooke Speirs, P.A. is a physician assistant with a practice address in Fountain Valley, California, and NPI 1184985434, issued on Jun 4, 2012. Check the license (California PA22058, as entered in NPPES) with the California board that licenses this profession; the Medicare figures below come from public CMS files.
- Name
- Odessa Holbrooke Speirs
- Credential
- P.A.
- Primary taxonomy
- Physician Assistant 363A00000X
- License number
- PA22058 CA
Self-reported in NPPES; status is on the state search - Practice location
- 18111 Brookhurst St Ste 3100, Fountain Valley, CA 92708
- Phone
- (714) 963-7240
- Enumerated
- Jun 4, 2012
- Record last updated
- Oct 25, 2024
- Entity
- Type 1 · individual
8 nearest physician assistant records → All 14,451 in California → Look up another NPI →
Also registered at 18111 Brookhurst St Ste 3100
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Kim Ly, PA-CPhysician Assistant1043017569
Verify Odessa Holbrooke Speirs in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersWhich California board licenses this profession
Search for license PA22058Check 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
154 Medicare Part D claims for 114 beneficiaries, against an average of 830 among the 101,058 providers of this specialty who prescribed in Part D. Brand-name drugs were 14% of claims.
Most prescribed
- Ibuprofen24 claims
- Albuterol Sulfate Hfa14 claims
- Azithromycin13 claims
- Ciprofloxacin Hcl11 claims
- Doxycycline Monohydrate11 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.
Odessa Holbrooke Speirs among 14,451 physician assistant records in California
Odessa Holbrooke Speirs, 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 2012, is newer than 33% of them.
- NPI issued2012 · 33% of these records are older, 65% newer
- In a Medicare fileYes · 75% of these records are
- In the CMS Doctors and Clinicians fileNo · 50% of these records are
- Record last updated2024 · 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).
61 physician assistant records list a practice address in Fountain Valley
They are 61 of the 2,190 NPPES records with a practice address in Fountain Valley, and 14,451 physician assistant records in California.
All 14,451 in California → Every provider in Fountain Valley → Physician Assistant nationwide →
The 8 physician assistant records with the nearest ZIP codes
- Fidel Andrade, PAFountain Valley, CA 927081578547782
- Jody Carr, PA-CFountain Valley, CA 927081881882264
- Lisa Chan, PA-CFountain Valley, CA 927081831128446
- Mitzi D'Aquila, PA-CFountain Valley, CA 927081093919862
- Susan Font, PA-CFountain Valley, CA 927081689857229
- Shawna Jones, P.A.-CFountain Valley, CA 927081447451786
- Steven Lerner, PAFountain Valley, CA 927081891777462
- Vinh Ngo, PAFountain Valley, CA 927081386796118
Common questions
What is Odessa Holbrooke Speirs, P.A.'s NPI number?
Odessa Holbrooke Speirs, P.A.'s National Provider Identifier (NPI) is 1184985434, issued on Jun 4, 2012. An NPI identifies a provider in billing; it is not a license.
Where is Odessa Holbrooke Speirs, P.A. located?
The NPPES record lists a practice address at 18111 Brookhurst St Ste 3100, Fountain Valley, CA, 92708. Phone: (714) 963-7240. Providers update this record themselves, so call before visiting.
How can I verify Odessa Holbrooke Speirs, P.A.'s license?
NPPES lists California license number PA22058, as entered by the provider. Search the California board that licenses this profession; the NPPES record confirms identity only.
How much does Odessa Holbrooke Speirs, P.A. prescribe under Medicare Part D?
In 2024, Odessa Holbrooke Speirs, P.A. had 154 Medicare Part D claims for 114 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.