NPPES file of Aug 9, 2026

Timothy Luke Sayles, PA-C

Medical Physician Assistant · San Ramon, CA

Timothy Luke Sayles, PA-C is a medical physician assistant with a practice address in San Ramon, California, and NPI 1851544712, issued on Oct 23, 2008. Check the license with the California board that licenses this profession; the Medicare figures below come from public CMS files.

Record from CMS NPPES, file of Aug 9, 2026 · Medicare files 2024 · method · Verify with CMS →

NPPES recordNPPES file of Aug 9, 2026
1851544712
Name
Timothy Luke Sayles
Credential
PA-C
Primary taxonomy
Medical Physician Assistant 363AM0700X
License number
PA05968 TX
Self-reported in NPPES; status is on the state search
Practice location
12677 Alcosta Blvd Ste 175, San Ramon, CA 94583
Phone
(925) 856-5668
Enumerated
Oct 23, 2008
Record last updated
May 14, 2025
Fax
(925) 856-4020
Entity
Type 1 · individual
Public record from CMS NPPES (open it on the CMS NPI Registry). A record is not a license: verify it with the state board.
Download card Updates feed

Also registered at 12677 Alcosta Blvd Ste 175

A shared address usually means a shared clinic or building; it does not show who employs whom.

  1. Dolores Musco, M.D.Family Medicine Physician1679601611
  2. Mark Musco, M.D.Family Medicine Physician1578691523

Verify Timothy Luke Sayles in five checks

  1. 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
  2. 2LicenseActive license and public ordersWhich California board licenses this professionCheck the board
  3. 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
  4. 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
  5. 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
Find the California license search

PlainDoctor does not match the HHS-OIG exclusion list to individual records: most entries carry no NPI. Search the OIG exclusion list by name.

Is this page about you? You can ask us to correct, restrict or remove it: how.

11% more Medicare Part D claims than the average medical physician assistant in 2024

1,270 Medicare Part D claims for 239 beneficiaries, against an average of 1,148 among the 23,801 providers of this specialty who prescribed in Part D. Brand-name drugs were 8% of claims.

  1. Timothy Sayles1,270
  2. Specialty average1,148

Most prescribed

  1. Atorvastatin Calcium93 claims
  2. Rosuvastatin Calcium68 claims
  3. Levothyroxine Sodium48 claims
  4. Escitalopram Oxalate38 claims
  5. Quetiapine Fumarate30 claims
  6. Lisinopril29 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: $32.25

1 payment: food and beverage; the largest payer was GlaxoSmithKline, LLC. The 16,165 providers of this specialty with any payment received $1,055.00 on average. Payments are reported by manufacturers, not by the provider, and are not a sign of wrongdoing.

  1. Timothy Sayles$32.25
  2. Specialty average$1,055.00

Source: CMS Open Payments, program year 2024 (openpaymentsdata.cms.gov); average among providers of this specialty with at least one payment.

Timothy Luke Sayles among 3,376 medical physician assistant records in California

Timothy Luke Sayles, PA-C is one of 3,376 medical physician assistant records with a practice address in California. 69% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2008, is newer than 32% of them.

  • NPI issued2008 · 32% of these records are older, 62% newer
  • In a Medicare fileYes · 69% of these records are
  • In the CMS Doctors and Clinicians fileNo · 40% of these records are
  • Record last updated2025 · 54% of these records were not updated in five years or more

Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 363AM0700X and a California practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).

Medical Physician Assistant providers in California

There are 3,376 medical physician assistant records in California.

The 8 medical physician assistant records with the nearest ZIP codes

  1. Anne Callahan, PA-CSan Ramon, CA 945831891082483
  2. Allison Campbell, PASan Ramon, CA 945831831202019
  3. Julia Derenzi, PASan Ramon, CA 945831932369469
  4. Elinor Greenwald, PA-CSan Ramon, CA 945831922719939
  5. Erica Horton, PASan Ramon, CA 945831346271525
  6. Manveer HundalSan Ramon, CA 945831275280224
  7. Aiste MiliauskaiteSan Ramon, CA 945831528758018
  8. Michael Devereux, PA-CSunol, CA 945861225217979

Common questions

What is Timothy Luke Sayles, PA-C's NPI number?

Timothy Luke Sayles, PA-C's National Provider Identifier (NPI) is 1851544712, issued on Oct 23, 2008. An NPI identifies a provider in billing; it is not a license.

Where is Timothy Luke Sayles, PA-C located?

The NPPES record lists a practice address at 12677 Alcosta Blvd Ste 175, San Ramon, CA, 94583. Phone: (925) 856-5668. Providers update this record themselves, so call before visiting.

How can I verify Timothy Luke Sayles, PA-C's license?

Search the California board that licenses this profession; the NPPES record confirms identity only.

How much does Timothy Luke Sayles, PA-C prescribe under Medicare Part D?

In 2024, Timothy Luke Sayles, PA-C had 1,270 Medicare Part D claims for 239 beneficiaries; the average among medical physician assistant prescribers was 1,148. 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.