Provider Profile
Trevor D. Williams, PA-C
Unclaimed ProfileAbout Trevor Williams
Trevor D. Williams, PA-C is a physician assistant based in Bakersfield, CA. According to Medicare claims data, Trevor cared for 3,071 Medicare patients across 5,216 services. The services billed most often include visit complexity inherent to evaluation and management associated with medical care services that serve as the continuing focal point for all needed health care services and/or with medical care services that are part of ongoing care related to a patient', telephone medical discussion with physician, 11-20 minutes, and annual wellness visit, includes a personalized prevention plan of service (pps), subsequent visit.
Summarised automatically from public NPI registry and CMS Medicare data. Not written or reviewed by this provider. Claim this profile to replace it — free, and no identity document with a practice or institutional email.
Education & Training
Specialty
Credentials & Licensing
License numbers are what the provider reported to NPPES when the NPI was issued or updated. NPPES does not verify licensure; confirm current standing with the state licensing board.
Medicare information
Exactly as CMS reports it (National Downloadable File, Opt-Out Affidavits, Order & Referring). Not an insurance directory; confirm coverage with the office.
Contact Information
- (661) 323-8477
- Email not available
Practice Locations
6001 TRUXTUN AVE STE D400
Bakersfield, CA 93309
Procedures Most Often Billed to Medicare
5,216 services · 3,071 patients · 25 distinct codes
| Procedure | Type | Code | Services | Compared with peers |
|---|---|---|---|---|
| Insertion of needle into vein for collection of blood sample | Procedure | 36415 |
114 | More often than most peers in Physician Assistant |
| Injection of drug or substance under skin or into muscle | Treatment | 96372 |
180 | More than most peers in Physician Assistant |
| Routine electrocardiogram (ecg) using at least 12 leads with interpretation and report | Treatment | 93000 |
47 | More often than most peers in Physician Assistant |
| Assessment of emotional or behavioral problems | Treatment | 96127 |
34 | As often as other peers in Physician Assistant |
| Injection, triamcinolone acetonide, not otherwise specified, 10 mg | Drug given | J3301 |
370 | More often than most peers in Physician Assistant |
| Injection, vitamin b-12 cyanocobalamin, up to 1000 mcg | Drug given | J3420 |
57 | More often than most peers in Physician Assistant |
| Injection, ceftriaxone sodium, per 250 mg | Drug given | J0696 |
39 | Less often than most peers in Physician Assistant |
| Visit complexity inherent to evaluation and management associated with medical care services that serve as the continuing focal point for all needed health care services and/or with medical care services that are part of ongoing care related to a patient' | Billing code | G2211 |
1,215 | More than most peers in Physician Assistant |
| Telephone medical discussion with physician, 11-20 minutes | Office visit | 99442 |
1,140 | More than most peers in Physician Assistant |
| Annual wellness visit, includes a personalized prevention plan of service (pps), subsequent visit | Billing code | G0439 |
380 | More than most peers in Physician Assistant |
Source: CMS Medicare public data. Shows how often procedures were billed — not quality of care or patient satisfaction.
Related providers
Connections drawn from the registry and from what providers have told us. A link here is not a referral or an endorsement.
Related specialists at this location 8
Clinically related specialties at the same address — the people this provider most likely works alongside.
Also at this address 4
Providers at the same street address. Each files their own registry entry, so a shared practice often appears under several different names.
Other physician assistants in Bakersfield 8
Same specialty, same city.
More connections — 24 related providers in 3 groups
Trained at Other 8
Other providers in the same specialty who trained at the same institution.
Class of 2008 at Other 8
Providers who graduated from the same medical school in the same year.
Also performs Insertion of needle into vein for collection of blood sample 8
Providers in CA who bill this service to Medicare most often.
Common questions
What does Trevor D. Williams specialize in?
Trevor D. Williams is a physician assistant in Bakersfield, CA. That is the designation recorded for this NPI in the federal registry.
NPI registry
Where is Trevor D. Williams located?
Trevor D. Williams is listed at 6001 Truxtun Ave Ste D400, Bakersfield, CA 93309. Addresses come from the NPI registry and can lag a move, so confirm before travelling.
NPI registry
What is Trevor D. Williams's phone number?
The number on file is (661) 323-8477. Guide.md cannot book appointments or pass on messages — please call the office directly.
NPI registry
What is Trevor D. Williams's NPI number?
Trevor D. Williams's National Provider Identifier is 1477805554. It is issued by the Centers for Medicare & Medicaid Services and is unique and permanent — it does not change if they move practice.
NPI registry
Where did Trevor D. Williams train?
Trevor D. Williams attended Other, graduating in 2008. This comes from the CMS National Downloadable File.
CMS public data
How long has Trevor D. Williams been practicing?
Trevor D. Williams has 18 years experience. Calculated from a graduation year of 2008, reported in the CMS National Downloadable File.
CMS public data
What does Trevor D. Williams do most often?
According to Medicare billing data, Trevor D. Williams performs procedures including insertion of needle into vein for collection of blood sample; provides treatments such as injection of drug or substance under skin or into muscle and routine electrocardiogram using at least 12 leads with interpretation and report, alongside routine visits and testing. This reflects Medicare patients only and is billing volume, not a measure of quality.
Medicare claims
Has Trevor D. Williams confirmed this information?
Not yet. This profile is built from public federal data and has not been confirmed by Trevor D. Williams. If this is you, claiming it is free.
Guide.md
Provider data sourced from the NPPES NPI Registry and CMS public datasets. Information is provided for reference and is not medical advice.