Timothy Sayles, PA-C
NPI 1851544712 · Medical Physician Assistant · San Ramon, CA
Enrolled with Medicare as Practitioner - Physician Assistant · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Timothy Sayles, PA-C is a Medical Physician Assistant provider in San Ramon, CA (NPI 1851544712).
Provider details
- NPI number
- 1851544712
- Entity type
- Individual
- Primary specialty
- Medical Physician AssistantPhysician Assistants & Advanced Practice Nursing Providers
- Credential
- PA-C
- Sex
- Male
- Sole proprietor
- No
- License
- PA05968 (TX)
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 tenure33% of score
17 yrs in NPPES registry
- Profile completeness33% of score
100% of core fields populated
- Practice footprint20% of score
1 documented practice location
- Open Payments transparency13% of score
Has Open Payments disclosures (2024)
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 methodology.
What this provider prescribes (Medicare Part D)
Top drugs by Medicare Part D claim volume, 2024 · 38 distinct drugs on file.
| Drug | Part D claims (2024) | Beneficiaries |
|---|---|---|
| Atorvastatin Calcium | 93 | 35 |
| Rosuvastatin Calcium | 68 | 29 |
| Levothyroxine Sodium | 48 | 16 |
| Escitalopram Oxalate | 38 | 14 |
| Quetiapine Fumarate | 30 | — |
| Olmesartan Medoxomil | 29 | 12 |
| Lisinopril |
Transparency — industry payments
Based on CMS Open Payments, 2024; not all care is captured.
$32 across 1 record (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
- 2008-10-23
- Last updated
- 2025-05-14
- Certified
- 2025-05-14
Frequently asked questions
- What is Timothy Sayles's NPI number?
- Timothy Sayles's National Provider Identifier (NPI) is 1851544712, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Timothy Sayles's specialty?
- Timothy Sayles is listed in the NPPES registry with a primary specialty of Medical Physician Assistant (Physician Assistants & Advanced Practice Nursing Providers).
- Where is Timothy Sayles located?
- Timothy Sayles's practice location on file with NPPES is 12677 Alcosta Blvd Ste 175, San Ramon, CA 94583-4423.
- What is Timothy Sayles's phone number?
- The practice phone number listed in the NPPES registry for Timothy Sayles is (925) 856-5668.
- Does Timothy Sayles accept Medicare?
- Timothy Sayles is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Timothy Sayles's NPI active?
- Yes — Timothy Sayles's NPI (1851544712) is active in the NPPES registry as of the last update on 2025-05-14.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.