Maria Jefferson-Walker, APRN

Primary specialty

Family Nurse PractitionerTaxonomy code 363LF0000X

License

272166 Issued in AZ

Practice address

4244 N 19TH Ave
Phoenix, AZ 85015-5108

Phone

(602) 661-0666

Fax

(877) 869-9199

NPI assigned

Aug 15, 2013

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

Nurse Practitioner

Education

Other, 2013

Medicare assignment

Accepts the Medicare-approved amount as payment in full

Group practices

Can Community Health IncGroup PAC ID 6305883133, 42 clinicians

Practice addresses (Care Compare)

Medicare enrollment (NPD)

Enrolled

Credentials

Nurse Practitioner

Practice roles

Locations

Interoperability endpoints

• Direct secure messaging: maria.jeffersonwalker.p4@direct.caremorewest.nextgenshare.com
• Direct secure messaging: maria.jefferson.walker.1@32527.direct.athenahealth.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.

• Can Community Health, Inc.

  • Infectious Disease Physician
  • Sarasota, FL
  • NPI 1104829274

  AZ

  Medicare reassignment Care Compare group
• Carelon Medical Partners of Arizona, P.C.

  • Family Medicine Physician
  • Tucson, AZ
  • NPI 1972879773
  Medicare reassignment NPD
• Carelon Medical Partners of Arizona, P.C.

  • Internal Medicine Physician
  • Fort Worth, TX
  • NPI 1730697483
  NPD

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

{
    "created_epoch": "1376524800000",
    "enumeration_type": "NPI-1",
    "last_updated_epoch": "1774828800000",
    "number": "1831522630",
    "addresses": [
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "MAILING",
            "address_type": "DOM",
            "address_1": "DEPT 394 PO BOX 1000",
            "city": "MEMPHIS",
            "state": "TN",
            "postal_code": "38148",
            "telephone_number": "941-300-4440",
            "fax_number": "941-404-1760"
        },
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "LOCATION",
            "address_type": "DOM",
            "address_1": "4244 N 19TH AVE",
            "city": "PHOENIX",
            "state": "AZ",
            "postal_code": "850155108",
            "telephone_number": "602-661-0666",
            "fax_number": "877-869-9199"
        }
    ],
    "practiceLocations": [],
    "basic": {
        "last_name": "JEFFERSON-WALKER",
        "first_name": "MARIA",
        "credential": "APRN",
        "sole_proprietor": "NO",
        "sex": "F",
        "enumeration_date": "2013-08-15",
        "last_updated": "2026-03-30",
        "certification_date": "2026-03-30",
        "status": "A"
    },
    "taxonomies": [
        {
            "code": "363LF0000X",
            "taxonomy_group": "",
            "desc": "Nurse Practitioner, Family",
            "state": "AZ",
            "license": "272166",
            "primary": true
        }
    ],
    "identifiers": [],
    "endpoints": [],
    "other_names": []
}

• Krista Marie Jeddi, FNP
• Roy Jedeikin, MD
• Caitlin Nicole Jefferis, MOT, OTR/L
• Alyssa Jeffers, RD
• Monica Nassim Jeffers, NMD, FNP-C
• Jeffery a Kohler, DDS, PC
• Jeffery B. Stires, D.C., P.C.
• Kathleen Marie Jeffery, LAC
• Hannah Jeffress, OTA
• Jeffrey E McAlister PLLC

• Family Nurse Practitioner in Phoenix, AZ
• Providers in Phoenix, AZ by specialty
• Family Nurse Practitioner in Arizona

• NPPES NPI Registry (CMS): identity, addresses, specialties, licenses, identifiers and endpoints. Last updated by the provider on Mar 30, 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.