Provider Profile
Katherine Clarke, CRNP
Unclaimed ProfileAbout Katherine Clarke
Katherine Clarke, CRNP is a nurse practitioner based in San Francisco, CA. Medicare claims data shows Katherine provided 222 services to 199 patients. The services billed most often include established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more, annual wellness visit, includes a personalized prevention plan of service (pps), subsequent visit, and transitional care management services for problem of at least moderate complexity.
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
- (888) 663-6331
- Email not available
Practice Locations
2 W PORTAL AVE
San Francisco, CA 94127
Procedures Most Often Billed to Medicare
222 services · 199 patients · 5 distinct codes
| Procedure | Type | Code | Services | Compared with peers |
|---|---|---|---|---|
| Influenza vaccine, inactivated | Treatment | 90653 |
17 | As often as other peers in Nurse Practitioner |
| Established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more | Office visit | 99214 |
126 | More often than most peers in Nurse Practitioner |
| Annual wellness visit, includes a personalized prevention plan of service (pps), subsequent visit | Billing code | G0439 |
36 | As often as other peers in Nurse Practitioner |
| Transitional care management services for problem of at least moderate complexity | Office visit | 99495 |
23 | More often than most peers in Nurse Practitioner |
| Administration of influenza virus vaccine | Billing code | G0008 |
20 | As often as other peers in Nurse Practitioner |
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 6
Clinically related specialties at the same address — the people this provider most likely works alongside.
Other nurse practitioners in San Francisco 8
Same specialty, same city.
Trained at Other 8
Other providers in the same specialty who trained at the same institution.
More connections — 16 related providers in 2 groups
Class of 2022 at Other 8
Providers who graduated from the same medical school in the same year.
Also performs Influenza vaccine, inactivated 8
Providers in CA who bill this service to Medicare most often.
Common questions
What kind of doctor is Katherine Clarke?
Katherine Clarke is a nurse practitioner in San Francisco, CA. That is the designation recorded for this NPI in the federal registry.
NPI registry
What is Katherine Clarke's address?
Katherine Clarke is listed at 2 W Portal Ave, San Francisco, CA 94127. Addresses come from the NPI registry and can lag a move, so confirm before travelling.
NPI registry
How can I make an appointment with Katherine Clarke?
The number on file is (888) 663-6331. Guide.md cannot book appointments or pass on messages — please call the office directly.
NPI registry
What is the NPI for Katherine Clarke?
Katherine Clarke's National Provider Identifier is 1659071801. 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 Katherine Clarke train?
Katherine Clarke attended Other, graduating in 2022. This comes from the CMS National Downloadable File.
CMS public data
How much experience does Katherine Clarke have?
Katherine Clarke has 4 years experience. Calculated from a graduation year of 2022, reported in the CMS National Downloadable File.
CMS public data
What procedures does Katherine Clarke perform?
According to Medicare billing data, Katherine Clarke provides treatments such as influenza vaccine, inactivated, alongside routine visits and testing. This reflects Medicare patients only and is billing volume, not a measure of quality.
Medicare claims
Is Katherine Clarke's profile verified?
Not yet. This profile is built from public federal data and has not been confirmed by Katherine Clarke. 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.