Katherine Steffens, PA
NPI 1568206837 · Physician Assistant · San Francisco, CA
Enrolled with Medicare as Practitioner - Physician Assistant · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Katherine Steffens, PA is a Physician Assistant provider in San Francisco, CA (NPI 1568206837).
Provider details
- NPI number
- 1568206837
- Entity type
- Individual
- Primary specialty
- Physician AssistantPhysician Assistants & Advanced Practice Nursing Providers
- Credential
- PA
- Sex
- Female
- Sole proprietor
- No
- License
- 085-010580 (IL)
Specialties & taxonomies
Physician Assistants & Advanced Practice Nursing Providers
Physician Assistants & Advanced Practice Nursing Providers
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure28% of score
2 yrs in NPPES registry
- Profile completeness28% of score
100% of core fields populated
- Practice footprint17% of score
2 documented practice locations
- Medicare service volume (vs. specialty peers)28% of score
209 Medicare services, 2024 (ranked within specialty)
Medicare volume is ranked against active providers in the same specialty. Signals a provider has no public data for (e.g. Medicare claims) are left out of the score entirely — never counted as zero — so providers without that data are not penalized. See the full formula and weights in our methodology.
What this provider does (Medicare)
Based on Medicare fee-for-service claims, 2024; not all care is captured.
| Service (HCPCS) | Medicare services | Typical Medicare-allowed (2024) |
|---|---|---|
| Established Patient Office Or Other Outpatient Visit With Low Level OD Decision Making, If Using Time, 20 Minutes Or More99213 | 75 | $80 |
| Established Patient Office Or Other Outpatient Visit With Moderate Level of Decision Making, If Using Time, 30 Minutes Or More99214 | 37 | $112 |
| Insertion of Needle Into Vein for Collection of Blood Sample36415 | 35 | $9 |
| Blood Test, Comprehensive Group of Blood Chemicals80053 | 24 | $10 |
| Complete Blood Cell Count (red Cells, White Blood Cell, Platelets), Automated Test and Automated Differential White Blood Cell Count85025 | 16 | $8 |
| Blood Test, Thyroid Stimulating Hormone (tsh)84443 | 11 |
Practice location
Mailing address
Additional practice locations (1)
- 1800 Sullivan Ave Rm 403Daly City, CA 94015-2224Phone: (650) 994-3238Fax: (650) 991-1119
Registry dates
- Enumerated
- 2024-06-21
- Last updated
- 2026-05-11
- Certified
- 2026-05-11
Frequently asked questions
- What is Katherine Steffens's NPI number?
- Katherine Steffens's National Provider Identifier (NPI) is 1568206837, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Katherine Steffens's specialty?
- Katherine Steffens is listed in the NPPES registry with a primary specialty of Physician Assistant (Physician Assistants & Advanced Practice Nursing Providers).
- Where is Katherine Steffens located?
- Katherine Steffens's practice location on file with NPPES is 909 Hyde St Ste 419, San Francisco, CA 94109-4846.
- What is Katherine Steffens's phone number?
- The practice phone number listed in the NPPES registry for Katherine Steffens is (415) 678-5887.
- Does Katherine Steffens accept Medicare?
- Katherine Steffens is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Katherine Steffens's NPI active?
- Yes — Katherine Steffens's NPI (1568206837) is active in the NPPES registry as of the last update on 2026-05-11.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.