Physician Profile
Unclaimed ProfileAbout WILLIAMS
Mark I Williams, MD practises diagnostic radiology in Bakersfield, CA. Mark is a 1984 graduate of University of California, San Francisco School of Medicine.
Summarised automatically from public NPI registry and CMS Medicare data. Not written or reviewed by this provider. Claim this profile to replace it.
Education & Training
Areas of Expertise
Common questions
What does Dr. Williams specialise in?
Dr. Williams is a diagnostic radiology in Bakersfield, CA. This is the primary taxonomy recorded against the NPI in the federal registry, listed there as “DIAGNOSTIC RADIOLOGY”.
NPI registry
Where is Dr. Williams located?
Dr. Williams is listed at 1817 TRUXTUN AVE TRUXTUN RADIOLOGY MEDICAL GROUP LP, Bakersfield, CA 93301. Addresses come from the NPI registry and can lag a move, so confirm before travelling.
NPI registry
What is Dr. Williams's phone number?
The number on file is (661) 325-6800. Guide.md cannot book appointments or pass on messages — please call the office directly.
NPI registry
What is the NPI for Dr. Williams?
Dr. Williams's National Provider Identifier is 1235284225. 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 Dr. Williams go to medical school?
Dr. Williams attended University of California, San Francisco School of Medicine, graduating in 1984. This comes from the CMS National Downloadable File.
CMS public data
How much experience does Dr. Williams have?
Dr. Williams has 42 years experience. Calculated from a graduation year of 1984, reported in the CMS National Downloadable File.
CMS public data
What does Dr. Williams do most often?
According to Medicare billing data, Dr. Williams performs imaging including x-ray of chest, 2 views and x-ray of knee, 3 views. This reflects Medicare patients only and is billing volume, not a measure of quality.
Medicare claims
Is Dr. Williams's profile verified?
Not yet. This profile is built from public federal data and has not been confirmed by Dr. Williams. If this is you, claiming it is free.
Guide.md
Licensing & Certification
Source: NPPES NPI Registry
Contact Information
- (661) 325-6800
- Email not available
Practice Locations
1817 TRUXTUN AVE TRUXTUN RADIOLOGY MEDICAL GROUP LP
Bakersfield, CA 93301
Procedures Most Often Billed to Medicare
5,193 services · 4,477 patients · 25 distinct codes
| Procedure | Type | Code | Services |
|---|---|---|---|
| X-ray of chest, 2 views | Imaging | 71046 |
1,342 |
| X-ray of knee, 3 views | Imaging | 73562 |
579 |
| X-ray of shoulder, minimum of 2 views | Imaging | 73030 |
405 |
| X-ray of lower and sacral spine, minimum of 4 views | Imaging | 72110 |
308 |
| X-ray of hand, minimum of 3 views | Imaging | 73130 |
282 |
| X-ray of foot, minimum of 3 views | Imaging | 73630 |
258 |
| X-ray of lower and sacral spine, 2-3 views | Imaging | 72100 |
205 |
| X-ray of hip, 2-3 views | Imaging | 73502 |
201 |
| X-ray of abdomen, 1 view | Imaging | 74018 |
195 |
| X-ray of upper spine, 4-5 views | Imaging | 72050 |
180 |
Source: CMS Medicare public data. Shows how often procedures were billed — not quality of care or patient satisfaction.
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Claim this profileRelated providers
Connections drawn from the registry and from what providers have told us. A link here is not a referral or an endorsement.
Other diagnostic radiology specialists at this location 4
Same specialty, same street address — most likely the same department or group.
Also at this address 1
Providers at the same street address. Each files their own registry entry, so a shared practice often appears under several different names.
Other diagnostic radiology specialists in Bakersfield 8
Same specialty, same city.
More connections — 23 related providers in 3 groups
Trained at University of California, San Francisco School of Medicine 8
Other providers in the same specialty who trained at the same institution.
Class of 1984 at University of California, San Francisco School of Medicine 8
Providers who graduated from the same medical school in the same year.
Also performs X-ray of chest, 2 views 7
Providers in CA who bill this service to Medicare most often.
Provider data sourced from the NPPES NPI Registry and CMS public datasets. Information is provided for reference and is not medical advice.