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Edit this profileAt a glance
- 3900 Piedmont Ave, Oakland, CA 94611
About Spencer Knapp
Listed in the NPI registry as a physician assistant, Spencer Knapp, PA-C practices in Oakland, CA. Medicare claims data shows Spencer provided 97 services to 97 patients. The services billed most often include established patient office or other outpatient visit with low level od decision making, if using time, 20 minutes or more, new patient office or other outpatient visit with low level of medical decision making, if using time, 30 minutes or more, and established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more. NPI 1255842639 identifies this record in the national registry.
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) 432-7899
- Email not available
Practice Locations
3900 PIEDMONT AVE
Oakland, CA 94611
Procedures Most Often Billed to Medicare
97 services · 97 patients · 4 distinct codes
| Procedure | Type | Code | Services | Compared with peers |
|---|---|---|---|---|
| Established patient office or other outpatient visit with low level od decision making, if using time, 20 minutes or more | Office visit | 99213 |
35 | Less often than most peers in Physician Assistant |
| New patient office or other outpatient visit with low level of medical decision making, if using time, 30 minutes or more | Office visit | 99203 |
27 | As often as other peers in Physician Assistant |
| Established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more | Office visit | 99214 |
19 | Less often than most peers in Physician Assistant |
| Amplifed dna or rna probe detection of severe acute respiratory syndrome coronavirus 2 (covid-19) antigen | Lab test | 87635 |
16 | Less often 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.
Other physician assistants at this location 3
Same specialty, same street address — most likely the same department or group.
Related specialists at this location 2
Clinically related specialties at the same address — the people this provider most likely works alongside.
Other physician assistants in Oakland 7
Same specialty, same city.
More connections — 16 related providers in 2 groups
Trained at Other 8
Other providers in the same specialty who trained at the same institution.
Class of 2017 at Other 8
Providers who graduated from the same medical school in the same year.
Common questions
What is Spencer Knapp's specialty?
Spencer Knapp is a physician assistant in Oakland, CA. That is the designation recorded for this NPI in the federal registry.
NPI registry
Where can I find Spencer Knapp?
Spencer Knapp is listed at 3900 Piedmont Ave, Oakland, CA 94611. Addresses come from the NPI registry and can lag a move, so confirm before travelling.
NPI registry
How do I contact Spencer Knapp?
The number on file is (415) 432-7899. Contact the office directly to confirm availability and scheduling.
NPI registry
What is the NPI for Spencer Knapp?
Spencer Knapp's National Provider Identifier is 1255842639. 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
What is Spencer Knapp's education?
Spencer Knapp attended Other, graduating in 2017. This comes from the CMS National Downloadable File.
CMS public data
How much experience does Spencer Knapp have?
Spencer Knapp has 9 years experience. Calculated from a graduation year of 2017, reported in the CMS National Downloadable File.
CMS public data
What is Spencer Knapp known for?
According to Medicare billing data, Spencer Knapp the Medicare record under this individual NPI shows mainly office visits and diagnostic testing. Hospital-based physicians usually have their procedural work billed by the facility rather than under their own number, so this is a floor on their practice, not a description of it. This reflects Medicare patients only and is billing volume, not a measure of quality.
Medicare claims
Is Spencer Knapp's profile verified?
Not yet. This profile is built from public federal data and has not been confirmed by Spencer Knapp. If this is you, claiming it is free.
Guide.md
Guide.md listings do not constitute medical advice or an endorsement.