Stephen Craig Williams, PA-C
Physician Assistant · Camp Pendleton, CA
Stephen Craig Williams, PA-C is a physician assistant with a practice address in Camp Pendleton, California, and NPI 1477537736, issued on Dec 1, 2005. Check the license (California 16501, as entered in NPPES) with the California board that licenses this profession; the Medicare figures below come from public CMS files.
- Name
- Stephen Craig Williams
- Credential
- PA-C
- Primary taxonomy
- Physician Assistant 363A00000X
- License number
- 16501 CA
Self-reported in NPPES; status is on the state search - Practice location
- Naval Hospital Camp Pendleton, Camp Pendleton, CA 92055
- Phone
- (760) 725-7200
- Enumerated
- Dec 1, 2005
- Record last updated
- Jul 13, 2026
- Medicare enrollment
- Enrolled (PECOS I20050811000254); accepts Medicare assignment
- Entity
- Type 1 · individual
8 nearest physician assistant records → All 14,451 in California → Look up another NPI →
Also registered at Naval Hospital Camp Pendleton
A shared address usually means a shared clinic or building; it does not show who employs whom.
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Verify Stephen Craig Williams in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersWhich California board licenses this profession
Search for license 16501Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
3.6 times the Medicare Part D claims of the average physician assistant in 2024
2,978 Medicare Part D claims for 366 beneficiaries, against an average of 830 among the 101,058 providers of this specialty who prescribed in Part D. 338 claims were for opioids.
Most prescribed
- Hydrocodone-Acetaminophen174 claims
- Atorvastatin Calcium139 claims
- Omeprazole112 claims
- Gabapentin99 claims
- Lisinopril99 claims
- Levothyroxine Sodium80 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: $65.66
3 payments; by number, the most common kind was food and beverage; the largest payer was Exact Sciences Corporation. The 64,719 providers of this specialty with any payment received $841.65 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
- Mountain Valleys Health CentersBurney, CA
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Stephen Craig Williams among 14,451 physician assistant records in California
Stephen Craig Williams, PA-C 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 2005, is newer than 0% of them.
- NPI issued2005 · 0% of these records are older, 99% newer
- In a Medicare fileYes · 75% of these records are
- In the CMS Doctors and Clinicians fileYes · 50% of these records are
- Graduated1998 · median 2018 among the 7,214 with a school on file
- Record last updated2026 · 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).
24 physician assistant records list a practice address in Camp Pendleton
They are 24 of the 695 NPPES records with a practice address in Camp Pendleton, and 14,451 physician assistant records in California.
All 14,451 in California → Every provider in Camp Pendleton → Physician Assistant nationwide →
The 8 physician assistant records with the nearest ZIP codes
- Joseph Baugh, PACamp Pendleton, CA 920551154455871
- Brett BolandCamp Pendleton, CA 920551689046047
- Ryan Boudreau, PA-CCamp Pendleton, CA 920551093194284
- Luis Figueroa, PACamp Pendleton, CA 920551134594245
- James Jones, PACamp Pendleton, CA 920551801128012
- Nicholas Jurski, PA-SOceanside, CA 920551528413218
- Justin Marquis, PAOceanside, CA 920551891729422
- Melinda Martinez, PACamp Pendleton, CA 920551023157013
Common questions
What is Stephen Craig Williams, PA-C's NPI number?
Stephen Craig Williams, PA-C's National Provider Identifier (NPI) is 1477537736, issued on Dec 1, 2005. An NPI identifies a provider in billing; it is not a license.
Where is Stephen Craig Williams, PA-C located?
The NPPES record lists a practice address at Naval Hospital Camp Pendleton, Camp Pendleton, CA, 92055. Phone: (760) 725-7200. Providers update this record themselves, so call before visiting.
How can I verify Stephen Craig Williams, PA-C's license?
NPPES lists California license number 16501, as entered by the provider. Search the California board that licenses this profession; the NPPES record confirms identity only.
How much does Stephen Craig Williams, PA-C prescribe under Medicare Part D?
In 2024, Stephen Craig Williams, PA-C had 2,978 Medicare Part D claims for 366 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.