MRS. KAREN T STADNICKI PAC
NPI 1861419384
Physician Assistant in San Francisco, CA

Q: What is Karen Stadnicki's NPI number?

The NPI number for Karen Stadnicki is 1861419384. It was assigned to this individual provider in the NPPES registry on July 17, 2006.

Q: What is Karen Stadnicki's specialty?

The primary specialty registered for this NPI is Physician Assistant with taxonomy code 363A00000X.

Q: When was this NPI record last updated?

The NPPES record for Karen Stadnicki was last updated on September 11, 2025. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 10 months ago. If this record has changed at CMS more recently, you can request an on-demand re-check against the live CMS registry, directly from this page.

Active since July 17, 2006PECOS EnrolledAccepts Medicare Assignment

333 1ST ST STE A, SAN FRANCISCO, CA 94105(888) 803-3370 Get Directions Write a Review

NPPES record last updated: September 11, 2025. Verified against the NPPES registry weekly; last sync: August 02, 2026.

Record update history: Sep 11, 2025, Aug 12, 2025, May 24, 2025 and 3 more (6 updates tracked since 2020).

On this page

About Mrs. Karen T Stadnicki Pac NPPES

Official registry information on file with the National Plan and Provider Enumeration System.

MRS. KAREN T STADNICKI PAC (NPI 1861419384) is an individual physician assistant in San Francisco, California, licensed in Illinois (085001824) and active in the NPI registry since July 2006. She is enrolled in Medicare PECOS, maintains 4 additional practice locations, and is a graduate of Other (2002).

NPPES Registry Identity

NPI1861419384

Entity TypeIndividualFemale

Primary Taxonomy363A00000X

Provider Legal NameMRS. KAREN T STADNICKICredential: PAC

Location Address333 1ST ST STE ASan Francisco, CA 94105-2661

Mailing Address333 1st StSan Francisco, CA 94105-2687 · (888) 803-3370

Phone(888) 803-3370

Sole ProprietorNo

Medical School CMSOtherGraduated 2002

Enumeration DateJuly 17, 2006

Last NPPES UpdateSeptember 11, 20256 updates tracked since enumeration

NPPES CertifiedSeptember 11, 2025

✔ NPI 1861419384 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyPhysician AssistantPhysician Assistants & Advanced Practice Nursing Providers

Taxonomy Code363A00000X

Licenses✔ Licensed in IL · 085001824✔ Licensed in CA · PA61352✔ Licensed in NY · 028637✔ Licensed in AZ · 9073✔ Licensed in VA · 0110011223✔ Licensed in WI · 716223

Definition

A physician assistant is a person who has successfully completed an accredited education program for physician assistant, is licensed by the state and is practicing within the scope of that license. Physician assistants are formally trained to perform many of the routine, time-consuming tasks a physician can do. In some states, they may prescribe medications. They take medical histories, perform physical exams, order lab tests and x-rays, and give inoculations. Most states require that they work under the supervision of a physician.

Secondary Practice Locations 4

Location 12800 Eisenhower Ave Ste 220Alexandria, VA 22314-4587 · Phone (888) 803-3370

Location 2156 William St Rm 303New York, NY 10038-5307 · Phone (888) 803-3370

Location 3790 N Milwaukee St Ste 313Milwaukee, WI 53202-4148 · Phone (888) 803-3370

Location 49700 N 91st St Ste A115Scottsdale, AZ 85258-5036 · Phone (888) 803-3321

Other Identifiers 2

Other085001824IL · License Number

Other028637-01NY · License

Medicare Participation & PECOS CMS

Medicare enrollment, assignment, and ordering and referring status from the CMS PECOS system.

Medicare Enrollment Status

✔

Enrolled in Medicare and accepts Medicare assignment

Mrs. Karen T Stadnicki Pac is registered in PECOS and agrees to accept the Medicare-approved amount as full payment. Medicare patients are not billed beyond the standard deductible and coinsurance.

PECOS PAC ID4587649074

PECOS Enrollment IDI20240804000006

Eligible to Order & Refer✔ Part B Labs & Imaging✔ Durable Medical Equipment✔ Home Health Agency✔ Power Mobility DevicesPer the CMS Ordering and Referring file. Eligibility means Medicare pays claims that this provider orders or refers for these categories.

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 94105 ZIP code area, from fee-for-service claims. These are area statistics, not this provider’s prices; actual charges vary by service and coverage.

New Patient

$104.51 typical visit price

range $69.00 – $202.35

Typical copayment $26.12 (range $17.25 – $50.58)

Most-billed visit code 99203

Established Patient

$84.91 typical visit price

range $23.44 – $166.46

Typical copayment $21.22 (range $5.86 – $41.61)

Most-billed visit code 99213

Amounts reflect what Medicare beneficiaries in this ZIP area are typically charged for office visits. Patients with other coverage should check their individual plans.

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Other Providers at the Same Location NPPES 20

Providers registered at the same practice address, or within the immediate area, according to the NPPES registry.

MRS. KILEA LANAY JOHNSON MSN, RN, FNP-C

Nurse Practitioner (Family)