Karen T Stadnicki, PAC

Primary specialty

Physician AssistantTaxonomy code 363A00000X

License

085001824 Issued in IL

Practice address

333 1St St Ste a
San Francisco, CA 94105-2661

Phone

(888) 803-3370

NPI assigned

Jul 17, 2006

Sex

Female

Sole proprietor

No

Registry information is reported by the provider to CMS and is not verified. About this source

Specialties & licenses 6

Addresses

Other identifiers 2

Medicare fee-for-service enrollment

Enrolled in IL, CA, NY, DC, AZ, WI6 enrollments

Eligible to order & refer

• Part B services: Yes
• Medical equipment: Yes
• Home health: Yes
• Power mobility devices: Yes
• Hospice: No

Green means eligible to order or refer.

Enrollment records 6

Specialty

Physician Assistant

Education

Other, 2002

Medicare assignment

Accepts the Medicare-approved amount as payment in full

Group practices

Circle Medical Care of CaliforniaGroup PAC ID 3870894579, 71 clinicians

Practice addresses (Care Compare)

Medicare enrollment (NPD)

Enrolled

Credentials

Physician Assistant

State licenses

Practice roles

Locations

Interoperability endpoints

• Direct secure messaging: karen.stadnicki@398008301912068.direct.elationemr.com

Organizations this provider is connected to: Medicare benefit reassignments (the organization bills Medicare for this provider’s services), Care Compare group memberships and National Provider Directory roles.

• Circle Medical Care of California

  • Family Medicine Physician
  • San Francisco, CA
  • NPI 1134596091
  Medicare reassignment Care Compare group
• Circle Medical Care Group PA

  • Family Medicine Physician
  • Tampa, FL
  • NPI 1972358760

  AZ, DC, IL, WI

  Medicare reassignment NPD
• Circle Medical Care of New York PC

  • Family Medicine Physician
  • New York, NY
  • NPI 1780425447
  Medicare reassignment
• Dr. Susan Rife Family Medicine SC

  • Family Medicine Physician
  • Orland Park, IL
  • NPI 1184602880
  Medicare reassignment
• Premier Suburban Medical Group, PLLC

  • Multi-Specialty Clinic/Center
  • Orland Park, IL
  • NPI 1902412950
  Medicare reassignment
• Diana M. Burda, MD SC

  • Internal Medicine Physician
  • Homer Glen, IL
  • NPI 1194740613
  NPD (past)
• Health Service Systems, Inc

  • Internal Medicine Physician
  • New Lenox, IL
  • NPI 1851323257
  NPD (past)

The complete NPPES record for this NPI in the NPI Registry API format.

{
    "created_epoch": "1153094400000",
    "enumeration_type": "NPI-1",
    "last_updated_epoch": "1757548800000",
    "number": "1861419384",
    "addresses": [
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "MAILING",
            "address_type": "DOM",
            "address_1": "333 1ST ST",
            "city": "SAN FRANCISCO",
            "state": "CA",
            "postal_code": "941052687",
            "telephone_number": "888-803-3370"
        },
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "LOCATION",
            "address_type": "DOM",
            "address_1": "333 1ST ST STE A",
            "city": "SAN FRANCISCO",
            "state": "CA",
            "postal_code": "941052661",
            "telephone_number": "888-803-3370"
        }
    ],
    "practiceLocations": [
        {
            "address_1": "156 William St Rm 303",
            "address_purpose": "LOCATION",
            "city": "New York",
            "state": "NY",
            "postal_code": "100385307",
            "country_code": "US",
            "telephone_number": "888-803-3370",
            "country_name": "United States",
            "address_type": "DOM"
        },
        {
            "address_1": "2800 Eisenhower Ave Ste 220",
            "address_purpose": "LOCATION",
            "city": "Alexandria",
            "state": "VA",
            "postal_code": "223144587",
            "country_code": "US",
            "telephone_number": "888-803-3370",
            "country_name": "United States",
            "address_type": "DOM"
        },
        {
            "address_1": "9700 N 91st St Ste A115",
            "address_purpose": "LOCATION",
            "city": "Scottsdale",
            "state": "AZ",
            "postal_code": "852585036",
            "country_code": "US",
            "telephone_number": "888-803-3321",
            "country_name": "United States",
            "address_type": "DOM"
        },
        {
            "address_1": "790 N Milwaukee St Ste 313",
            "address_purpose": "LOCATION",
            "city": "Milwaukee",
            "state": "WI",
            "postal_code": "532024148",
            "country_code": "US",
            "telephone_number": "888-803-3370",
            "country_name": "United States",
            "address_type": "DOM"
        }
    ],
    "basic": {
        "last_name": "STADNICKI",
        "first_name": "KAREN",
        "middle_name": "T",
        "name_prefix": "Mrs.",
        "credential": "PAC",
        "sole_proprietor": "NO",
        "sex": "F",
        "enumeration_date": "2006-07-17",
        "last_updated": "2025-09-11",
        "certification_date": "2025-09-11",
        "status": "A"
    },
    "taxonomies": [
        {
            "code": "363A00000X",
            "taxonomy_group": "",
            "desc": "Physician Assistant",
            "state": "CA",
            "license": "PA61352",
            "primary": false
        },
        {
            "code": "363A00000X",
            "taxonomy_group": "",
            "desc": "Physician Assistant",
            "state": "NY",
            "license": "028637",
            "primary": false
        },
        {
            "code": "363A00000X",
            "taxonomy_group": "",
            "desc": "Physician Assistant",
            "state": "AZ",
            "license": "9073",
            "primary": false
        },
        {
            "code": "363A00000X",
            "taxonomy_group": "",
            "desc": "Physician Assistant",
            "state": "VA",
            "license": "0110011223",
            "primary": false
        },
        {
            "code": "363A00000X",
            "taxonomy_group": "",
            "desc": "Physician Assistant",
            "state": "WI",
            "license": "716223",
            "primary": false
        },
        {
            "code": "363A00000X",
            "taxonomy_group": "",
            "desc": "Physician Assistant",
            "state": "IL",
            "license": "085001824",
            "primary": true
        }
    ],
    "identifiers": [
        {
            "code": "01",
            "desc": "Other (non-Medicare)",
            "issuer": "LICENSE NUMBER",
            "identifier": "085001824",
            "state": "IL"
        },
        {
            "code": "01",
            "desc": "Other (non-Medicare)",
            "issuer": "LICENSE",
            "identifier": "028637-01",
            "state": "NY"
        }
    ],
    "endpoints": [],
    "other_names": []
}

• Terrance Stackwood, D.C.
• David Howard Staconis, FNP
• Cory Stacpoole
• Laura Esther Stadler
• Olivia Fae Stadler, M.F.T.
• Imme Karola Staeffler, PSY.D.
• Erin Staehely
• Adam Mark Staffaroni, PHD
• Giselle Staffaroni
• Amani S Stafford King, LMFT

• Physician Assistant in San Francisco, CA
• Providers in San Francisco, CA by specialty
• Physician Assistant in California

• NPPES NPI Registry (CMS): identity, addresses, specialties, licenses, identifiers and endpoints. Last updated by the provider on Sep 11, 2025; self-reported and not verified by CMS. Specialty names from the NUCC taxonomy.
• Medicare enrollment (CMS PECOS): enrollments, PAC IDs and benefit reassignments; Order and Referring.
• Medicare Care Compare (CMS): clinician profile, group practices, facility affiliations, MIPS scores and star ratings.
• National Provider Directory (CMS): practice roles, locations, licenses, networks and endpoints.

Verify at the official NPI Registry.