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Edit this profileAt a glance
- 505 Parnassus Ave, Room M-391, Box 0628, San Francisco, CA 94143
About Dr. Kerridge
William D. Kerridge, M.D. is listed as a student in an organized health care education program in San Francisco, CA. William is a 2011 graduate of Wayne State University School of Medicine. According to Medicare claims data, William cared for 27 Medicare patients across 31 services. The services billed most often include x-ray of chest, 1 view and ct scan head or brain without contrast. The provider's National Provider Identifier (NPI) is 1053608026.
Factual summary compiled by Guide.md from public records; not written by this provider.
Education & Training
Specialty
Credentials & Licensing
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
- (415) 353-1821
- Email not available
Is this your home address or personal number? Hide it
Practice Locations
505 PARNASSUS AVE ROOM M-391, BOX 0628
San Francisco, CA 94143
Procedures Most Often Billed to Medicare
31 services · 27 patients · 2 distinct codes
| Procedure | Type | Code | Services | Compared with peers |
|---|---|---|---|---|
| X-ray of chest, 1 view | Imaging | 71045 |
19 | Less often than most peers in Student in training |
| Ct scan head or brain without contrast | Imaging | 70450 |
12 | Less often than most peers in Student in training |
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.
Other medical trainees at this location 8
Same specialty, same street address — most likely the same department or group.
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 medical trainees in San Francisco 7
Same specialty, same city.
More connections — 24 related providers in 3 groups
Trained at Wayne State University School of Medicine 8
Other providers in the same specialty who trained at the same institution.
Class of 2011 at Wayne State University School of Medicine 8
Providers who graduated from the same medical school in the same year.
Also performs X-ray of chest, 1 view 8
Providers in CA who bill this service to Medicare most often.
Common questions
What does William D. Kerridge specialize in?
William D. Kerridge is a medical trainee in San Francisco, CA. That is the designation recorded for this NPI in the federal registry, where it is listed as “Student in an Organized Health Care Education Program”.
NPI registry
Where is William D. Kerridge located?
William D. Kerridge is listed at 505 Parnassus Ave Room M-391, Box 0628, San Francisco, CA 94143. Addresses come from the NPI registry and can lag a move, so confirm before travelling.
NPI registry
What is William D. Kerridge's phone number?
The number on file is (415) 353-1821. Contact the office directly to confirm availability and scheduling.
NPI registry
What is William D. Kerridge's NPI number?
William D. Kerridge's National Provider Identifier is 1053608026. 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 William D. Kerridge train?
William D. Kerridge attended Wayne State University School of Medicine, graduating in 2011. This comes from the CMS National Downloadable File.
CMS public data
How long has William D. Kerridge been practicing?
William D. Kerridge has 15 years experience. Calculated from a graduation year of 2011, reported in the CMS National Downloadable File.
CMS public data
What does William D. Kerridge do most often?
According to Medicare billing data, William D. Kerridge performs imaging including x-ray of chest, 1 view and ct scan head or brain without contrast. This reflects Medicare patients only and is billing volume, not a measure of quality.
Medicare claims
Has William D. Kerridge confirmed this information?
Not yet. This profile is built from public federal data and has not been confirmed by William D. Kerridge. If this is you, claiming it is free.
Guide.md
Guide.md listings do not constitute medical advice or an endorsement.