Sarah Madison Chalstrom, PA-C

Primary specialty

Physician AssistantTaxonomy code 363A00000X

License

11791 Issued in AZ

Practice address

9003 E Shea Blvd
Scottsdale, AZ 85260-6709

Phone

(480) 882-4809

NPI assigned

Apr 10, 2026

Sex

Female

Sole proprietor

No

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

Specialties & licenses 1

Addresses

Medicare fee-for-service enrollment

Enrolled in AZ

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 1

Specialty

Physician Assistant

Education

Other, 2026

Medicare assignment

Accepts the Medicare-approved amount as payment in full

Group practices

Scottsdale Emergency Associates LTDGroup PAC ID 3274425970, 44 clinicians

Practice addresses (Care Compare)

Medicare enrollment (NPD)

Enrolled

State licenses

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.

• Scottsdale Emergency Associates, LTD.

  • Emergency Medicine Physician
  • Scottsdale, AZ
  • NPI 1083671432
  Medicare reassignment Care Compare group

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

{
    "created_epoch": "1775779200000",
    "enumeration_type": "NPI-1",
    "last_updated_epoch": "1778544000000",
    "number": "1124961586",
    "addresses": [
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "MAILING",
            "address_type": "DOM",
            "address_1": "PO BOX 50610",
            "city": "MESA",
            "state": "AZ",
            "postal_code": "852080031"
        },
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "LOCATION",
            "address_type": "DOM",
            "address_1": "9003 E SHEA BLVD",
            "city": "SCOTTSDALE",
            "state": "AZ",
            "postal_code": "852606709",
            "telephone_number": "480-882-4809"
        }
    ],
    "practiceLocations": [],
    "basic": {
        "last_name": "CHALSTROM",
        "first_name": "SARAH",
        "middle_name": "MADISON",
        "credential": "PA-C",
        "sole_proprietor": "NO",
        "sex": "F",
        "enumeration_date": "2026-04-10",
        "last_updated": "2026-05-12",
        "certification_date": "2026-05-12",
        "status": "A"
    },
    "taxonomies": [
        {
            "code": "363A00000X",
            "taxonomy_group": "",
            "desc": "Physician Assistant",
            "state": "AZ",
            "license": "11791",
            "primary": true
        }
    ],
    "identifiers": [],
    "endpoints": [],
    "other_names": []
}

• Haley Chafe, LAC
• Hally Chaffin, MD
• Hari P Chaliki, M.D.
• Swarna Sunkavalli Chaliki, M.D.
• Seth Chalnick, DC
• Brandon Chamberlain, DO
• Sarah Lee Chamberlain, DO
• Sia Chamberlin
• Chambers Clinic LLC
• Chambers Medical Services

• Physician Assistant in Scottsdale, AZ
• Providers in Scottsdale, AZ by specialty
• Physician Assistant in Arizona

• NPPES NPI Registry (CMS): identity, addresses, specialties, licenses, identifiers and endpoints. Last updated by the provider on May 12, 2026; 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.