Josef Maier, PA-C
NPI 1811051840 · Surgical Physician Assistant · San Ramon, CA
Enrolled with Medicare as Practitioner - Physician Assistant · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Josef Maier, PA-C is a Surgical Physician Assistant provider in San Ramon, CA (NPI 1811051840).
Provider details
- NPI number
- 1811051840
- Entity type
- Individual
- Primary specialty
- Surgical Physician AssistantPhysician Assistants & Advanced Practice Nursing Providers
- Credential
- PA-C
- Sex
- Male
- Sole proprietor
- No
- License
- PA18563 (CA)
Specialties & taxonomies
Physician Assistants & Advanced Practice Nursing Providers
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure25% of score
19 yrs in NPPES registry
- Profile completeness25% of score
100% of core fields populated
- Practice footprint15% of score
1 documented practice location
- Medicare service volume (vs. specialty peers)25% of score
874 Medicare services, 2024 (ranked within specialty)
- Open Payments transparency10% of score
Has Open Payments disclosures (2024)
Medicare volume is ranked against active providers in the same specialty. 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 .
What this provider does (Medicare)
Based on Medicare fee-for-service claims, 2024; not all care is captured.
| Service (HCPCS) | Medicare services | Typical Medicare-allowed (2024) |
|---|---|---|
| Established Patient Office Or Other Outpatient Visit With Low Level OD Decision Making, If Using Time, 20 Minutes Or More99213 | 161 | $71 |
| Aspiration And/Or Injection of Fluid From Large Joint20610 | 156 | $57 |
| Established Patient Office Or Other Outpatient Visit With Straightforward Medical Decision Making, If Using Time, 10 Minutes Or More99212 | 141 | $44 |
| X-Ray of Wrist, Minimum of 3 Views73110 | 71 | $31 |
| X-Ray of Hand, Minimum of 3 Views73130 | 67 | $28 |
| New Patient Office Or Other Outpatient Visit With Low Level of Medical Decision Making, If Using Time, 30 Minutes Or More99203 |
What this provider prescribes (Medicare Part D)
Top drugs by Medicare Part D claim volume, 2024 · 9 distinct drugs on file.
| Drug | Part D claims (2024) | Beneficiaries |
|---|---|---|
| Oxycodone Hcl | 104 | 88 |
| Meloxicam | 91 | 37 |
| Ondansetronbrand: Ondansetron Odt | 56 | 52 |
| Tramadol Hcl | 37 | 28 |
| Hydrocodone/Acetaminophenbrand: Hydrocodone-Acetaminophen | 33 | 30 |
| Celecoxib | 21 | — |
| Diclofenac Sodium | 18 | — |
Transparency — industry payments
Based on CMS Open Payments, 2024; not all care is captured.
$81 across 4 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
- 2006-12-21
- Last updated
- 2017-05-11
Frequently asked questions
- What is Josef Maier's NPI number?
- Josef Maier's National Provider Identifier (NPI) is 1811051840, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Josef Maier's specialty?
- Josef Maier is listed in the NPPES registry with a primary specialty of Surgical Physician Assistant (Physician Assistants & Advanced Practice Nursing Providers).
- Where is Josef Maier located?
- Josef Maier's practice location on file with NPPES is 5801 Norris Canyon Rd Ste 210, San Ramon, CA 94583-5440.
- What is Josef Maier's phone number?
- The practice phone number listed in the NPPES registry for Josef Maier is (925) 355-7350.
- Does Josef Maier accept Medicare?
- Josef Maier is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Josef Maier's NPI active?
- Yes — Josef Maier's NPI (1811051840) is active in the NPPES registry as of the last update on 2017-05-11.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.