Provider records sourced from NPPES (CMS National Plan & Provider Enumeration System). Data current as of August 10, 2026.

Mrs. Karen T Stadnicki, PAC

Individual provider Physician Assistant · NPI 1861419384

Mrs. Karen T Stadnicki, PAC is a Physician Assistant in San Francisco, California. Qualified in 2002, 24 years ago. Practices with Circle Medical Care of California, a 68-clinician group, works from 5 locations and accepts Medicare assignment. Licensed in Arizona, California, Illinois and New York and 2 more.

Years since qualifying
24
Licensed in
AZ, CA, IL, NY, VA, WI
In the registry since
2006
Specialties on file
6
What do these letters mean?
PAC — Physician Assistant, Certified
A physician assistant holding current national certification; usually written PA-C.

See every abbreviation used in this directory →

Practice location Address checks out

333 1st St Ste A
San Francisco, CA 94105-2661
Phone: (888) 803-3370
Show map & directions

Pin is approximate — placed at the ZIP-code centre, not the exact door.

Additional practice locations (4)

  • 9700 N 91st St Ste A115, Scottsdale, AZ 85258-5036 — (888) 803-3321
  • 156 William St Rm 303, New York, NY 10038-5307 — (888) 803-3370
  • 2800 Eisenhower Ave Ste 220, Alexandria, VA 22314-4587 — (888) 803-3370
  • 790 N Milwaukee St Ste 313, Milwaukee, WI 53202-4148 — (888) 803-3370

Specialties & licences

Physician Assistant (primary) Taxonomy 363A00000X · Licence 085001824 (IL)
Physician Assistant Taxonomy 363A00000X · Licence PA61352 (CA)
Physician Assistant Taxonomy 363A00000X · Licence 028637 (NY)
Physician Assistant Taxonomy 363A00000X · Licence 9073 (AZ)
Physician Assistant Taxonomy 363A00000X · Licence 0110011223 (VA)
Physician Assistant Taxonomy 363A00000X · Licence 716223 (WI)

Record details

NPI number1861419384
Entity typeIndividual (Type 1)
GenderFemale
Credentials PAC
Sole proprietorNo
NPI enumeratedJuly 17, 2006
Last updated in NPPESSeptember 11, 2025
Certification dateSeptember 11, 2025

Medicare enrollment

From the CMS Doctors & Clinicians file — this clinician is enrolled in Medicare.

Medicare specialtyPHYSICIAN ASSISTANT
Medical schoolOTHER
Graduated 2002 (24 years in practice)
Group practice Circle Medical Care Of California — 68 clinicians
Accepts Medicare assignment Yes — accepts the Medicare-approved amount

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