Provider Profile
Katherine F. Steffens, PA
Unclaimed ProfileAbout Katherine Steffens
Katherine F. Steffens, PA is a physician assistant practicing in San Francisco, CA. Medicare claims data shows Katherine provided 209 services to 193 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, established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more, and insertion of needle into vein for collection of blood sample.
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
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
- (415) 678-5887
- Email not available
Practice Locations
909 HYDE ST STE 419
San Francisco, CA 94109
1800 Sullivan Ave Rm 403
Daly City, CA 94015
Procedures Most Often Billed to Medicare
209 services · 193 patients · 7 distinct codes
| Procedure | Type | Code | Services | Compared with peers |
|---|---|---|---|---|
| Insertion of needle into vein for collection of blood sample | Procedure | 36415 |
35 | As often as other peers in Physician Assistant |
| Established patient office or other outpatient visit with low level od decision making, if using time, 20 minutes or more | Office visit | 99213 |
75 | 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 |
37 | Less often than most peers in Physician Assistant |
| Blood test, comprehensive group of blood chemicals | Lab test | 80053 |
24 | Less often than most peers in Physician Assistant |
| Complete blood cell count (red cells, white blood cell, platelets), automated test and automated differential white blood cell count | Lab test | 85025 |
16 | Less often than most peers in Physician Assistant |
| Annual wellness visit, includes a personalized prevention plan of service (pps), subsequent visit | Billing code | G0439 |
11 | Less often than most peers in Physician Assistant |
| Blood test, thyroid stimulating hormone (tsh) | Lab test | 84443 |
11 | 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 1
Same specialty, same street address — most likely the same department or group.
Related specialists at this location 7
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.
More connections — 32 related providers in 4 groups
Other physician assistants in San Francisco 8
Same specialty, same city.
Trained at Other 8
Other providers in the same specialty who trained at the same institution.
Class of 2024 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 Katherine F. Steffens specialize in?
Katherine F. Steffens is a physician assistant in San Francisco, CA. That is the designation recorded for this NPI in the federal registry.
NPI registry
Where is Katherine F. Steffens located?
Katherine F. Steffens is listed at 909 Hyde St Ste 419, San Francisco, CA 94109. Addresses come from the NPI registry and can lag a move, so confirm before travelling.
NPI registry
What is Katherine F. Steffens's phone number?
The number on file is (415) 678-5887. Guide.md cannot book appointments or pass on messages — please call the office directly.
NPI registry
What is the NPI for Katherine F. Steffens?
Katherine F. Steffens's National Provider Identifier is 1568206837. 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 F. Steffens train?
Katherine F. Steffens attended Other, graduating in 2024. This comes from the CMS National Downloadable File.
CMS public data
How much experience does Katherine F. Steffens have?
Katherine F. Steffens has 2 years experience. Calculated from a graduation year of 2024, reported in the CMS National Downloadable File.
CMS public data
What does Katherine F. Steffens do most often?
According to Medicare billing data, Katherine F. Steffens performs procedures including insertion of needle into vein for collection of blood sample, alongside routine visits and testing. This reflects Medicare patients only and is billing volume, not a measure of quality.
Medicare claims
Is Katherine F. Steffens's profile verified?
Not yet. This profile is built from public federal data and has not been confirmed by Katherine F. Steffens. 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.