Josef Owen Maier, PA-C
Surgical Physician Assistant · San Ramon, CA
Josef Owen Maier, PA-C is a surgical physician assistant with a practice address in San Ramon, California, and NPI 1811051840, issued on Dec 21, 2006. Check the license (California PA18563, as entered in NPPES) with the California board that licenses this profession; the Medicare figures below come from public CMS files.
- Name
- Josef Owen Maier
- Credential
- PA-C
- Primary taxonomy
- Surgical Physician Assistant 363AS0400X
- License number
- PA18563 CA
Self-reported in NPPES; status is on the state search - Practice location
- 5801 Norris Canyon RD Ste 210, San Ramon, CA 94583
- Phone
- (925) 355-7350
- Enumerated
- Dec 21, 2006
- Record last updated
- May 11, 2017 (not updated in 9 years: call before relying on the address or phone)
- Medicare enrollment
- Enrolled (PECOS I20180609000089); accepts Medicare assignment
- Medical or professional school
- University Of New England, College Of Osteo Medicine, 2006
- Entity
- Type 1 · individual
8 nearest surgical physician assistant records → All 1,075 in California → Look up another NPI →
Also registered at 5801 Norris Canyon RD Ste 210
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Allison Campbell, PAMedical Physician Assistant1831202019
Verify Josef Owen Maier in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersWhich California board licenses this profession
Search for license PA18563Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
47% more Medicare Part D claims than the average surgical physician assistant in 2024
447 Medicare Part D claims for 215 beneficiaries, against an average of 304 among the 10,174 providers of this specialty who prescribed in Part D. 181 claims were for opioids.
Most prescribed
- Oxycodone Hcl104 claims
- Meloxicam91 claims
- Ondansetron Odt56 claims
- Tramadol Hcl37 claims
- Hydrocodone-Acetaminophen33 claims
- Celecoxib21 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.
Industry payments in 2024: $81.26
4 payments; by number, the most common kind was food and beverage; the largest payer was Ferring Pharmaceuticals Inc. The 7,578 providers of this specialty with any payment received $703.95 on average. Payments are reported by manufacturers, not by the provider, and are not a sign of wrongdoing.
Source: CMS Open Payments, program year 2024 (openpaymentsdata.cms.gov); average among providers of this specialty with at least one payment.
Bills Medicare through one group practice
- Signature Medical Group OF KC PAOverland Park, KS
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Josef Owen Maier among 1,075 surgical physician assistant records in California
Josef Owen Maier, PA-C is one of 1,075 surgical physician assistant records with a practice address in California. 79% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2006, is newer than 2% of them.
- NPI issued2006 · 2% of these records are older, 74% newer
- In a Medicare fileYes · 79% of these records are
- In the CMS Doctors and Clinicians fileYes · 60% of these records are
- Graduated2006 · median 2012 among the 649 with a school on file
- Record last updated2017 · 53% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 363AS0400X and a California practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
Surgical Physician Assistant providers in California
There are 1,075 surgical physician assistant records in California.
All 1,075 in California → Every provider in San Ramon → Surgical Physician Assistant nationwide →
The 8 surgical physician assistant records with the nearest ZIP codes
- Gerardine Cruz, PA-CSan Ramon, CA 945831619104601
- Marie Goh, PASan Ramon, CA 945831588605653
- Christopher Wilkins, PA-CSan Ramon, CA 945821194885467
- Justin BrilloUnion City, CA 945871922163914
- Kathleen Epps, PA-CUnion City, CA 945871841355823
- Hang Holoyda, PA.CUnion City, CA 945871982750212
- Sarah HodoshPleasanton, CA 945881871046896
- Jodie Konigsberg, PA-CPleasanton, CA 945881437387438
Common questions
What is Josef Owen Maier, PA-C's NPI number?
Josef Owen Maier, PA-C's National Provider Identifier (NPI) is 1811051840, issued on Dec 21, 2006. An NPI identifies a provider in billing; it is not a license.
Where is Josef Owen Maier, PA-C located?
The NPPES record lists a practice address at 5801 Norris Canyon RD Ste 210, San Ramon, CA, 94583. Phone: (925) 355-7350. Providers update this record themselves, so call before visiting.
How can I verify Josef Owen Maier, PA-C's license?
NPPES lists California license number PA18563, as entered by the provider. Search the California board that licenses this profession; the NPPES record confirms identity only.
How much does Josef Owen Maier, PA-C prescribe under Medicare Part D?
In 2024, Josef Owen Maier, PA-C had 447 Medicare Part D claims for 215 beneficiaries; the average among surgical physician assistant prescribers was 304. 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.