Karen Stadnicki, PAC
NPI 1861419384 · Physician Assistant · San Francisco, CA
Enrolled with Medicare as Practitioner - Physician Assistant · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Karen Stadnicki, PAC is a Physician Assistant provider in San Francisco, CA (NPI 1861419384).
Provider details
- NPI number
- 1861419384
- Entity type
- Individual
- Primary specialty
- Physician AssistantPhysician Assistants & Advanced Practice Nursing Providers
- Credential
- PAC
- Sex
- Female
- Sole proprietor
- No
- License
- PA61352 (CA)
Specialties & taxonomies
Physician Assistants & Advanced Practice Nursing Providers
Physician Assistants & Advanced Practice Nursing Providers
Physician Assistants & Advanced Practice Nursing Providers
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 tenure38% of score
19 yrs in NPPES registry
- Profile completeness38% of score
100% of core fields populated
- Practice footprint23% of score
5 documented practice locations
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.
Practice location
Mailing address
Additional practice locations (4)
- 9700 N 91st St Ste A115Scottsdale, AZ 85258-5036Phone: (888) 803-3321
- 156 William St Rm 303New York, NY 10038-5307Phone: (888) 803-3370
- 2800 Eisenhower Ave Ste 220Alexandria, VA 22314-4587Phone: (888) 803-3370
- 790 N Milwaukee St Ste 313Milwaukee, WI 53202-4148Phone: (888) 803-3370
Registry dates
- Enumerated
- 2006-07-17
- Last updated
- 2025-09-11
- Certified
- 2025-09-11
Frequently asked questions
- What is Karen Stadnicki's NPI number?
- Karen Stadnicki's National Provider Identifier (NPI) is 1861419384, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Karen Stadnicki's specialty?
- Karen Stadnicki is listed in the NPPES registry with a primary specialty of Physician Assistant (Physician Assistants & Advanced Practice Nursing Providers).
- Where is Karen Stadnicki located?
- Karen Stadnicki's practice location on file with NPPES is 333 1st St Ste a, San Francisco, CA 94105-2661.
- What is Karen Stadnicki's phone number?
- The practice phone number listed in the NPPES registry for Karen Stadnicki is (888) 803-3370.
- Does Karen Stadnicki accept Medicare?
- Karen Stadnicki is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Karen Stadnicki's NPI active?
- Yes — Karen Stadnicki's NPI (1861419384) is active in the NPPES registry as of the last update on 2025-09-11.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.