Joseph Spencer Baker, DPM

Primary specialty

Foot & Ankle Surgery PodiatristTaxonomy code 213ES0103X

License

0837 Issued in AZ

Practice address

1845 W Orange Grove Rd. Ste. 125 BLDG. 3
Tucson, AZ 85704-1146

Phone

(520) 877-3328

NPI assigned

Jun 26, 2012

Last updated

Feb 13, 2026By the provider in NPPES

Sex

Male

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: No
• Hospice: Yes

Green means eligible to order or refer.

Enrollment records 1

Specialty

Podiatry

Education

Other, 2012

Medicare assignment

Accepts the Medicare-approved amount as payment in full

Group practices

Glenn E Nelson DPM LLCGroup PAC ID 8921066986, 7 clinicians

Practice addresses (Care Compare)

Hospital & facility affiliations

• Tucson Medical Center Hospital, Tucson, AZ, CCN 030006
• Oro Valley Hospital Hospital, Oro Valley, AZ, CCN 030114

Merit-based Incentive Payment System (MIPS)

Final score

88.8 of 100Reported as apm

Quality

77.6

Promoting interoperability

100

Improvement activities

40

Procedures performed for Medicare patients

Medicare enrollment (NPD)

Enrolled

State licenses

Practice roles

Locations

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

• Glenn E Nelson DPM LLC

  dba Sonoran Foot and Ankle Institute

  • Foot & Ankle Surgery Podiatrist
  • Tucson, AZ
  • NPI 1487700878
  Medicare reassignment Care Compare group NPD
• Foot and Ankle Specialists of Tucson, PLLC

  • Foot & Ankle Surgery Podiatrist
  • Tucson, AZ
  • NPI 1093667453
  NPD Authorized official
• Barton S. Fink DPM LLC

  • Podiatrist
  • Tucson, AZ
  • NPI 1538274683
  NPD (past)

Hospitals and other facilities this clinician is affiliated with according to Medicare Care Compare.

• Oro Valley Hospital LLC

  dba Oro Valley Hospital

  • General Acute Care Hospital
  • Oro Valley, AZ
  • NPI 1386697688
  Care Compare affiliation
• Tucson Medical Center

  • General Acute Care Hospital
  • Tucson, AZ
  • NPI 1174512792
  Care Compare affiliation

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

{
    "created_epoch": "1340668800000",
    "enumeration_type": "NPI-1",
    "last_updated_epoch": "1770940800000",
    "number": "1912261850",
    "addresses": [
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "MAILING",
            "address_type": "DOM",
            "address_1": "1845 W ORANGE GROVE RD. STE. 125 BLDG. 3",
            "city": "TUCSON",
            "state": "AZ",
            "postal_code": "857041146"
        },
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "LOCATION",
            "address_type": "DOM",
            "address_1": "1845 W ORANGE GROVE RD. STE. 125 BLDG. 3",
            "city": "TUCSON",
            "state": "AZ",
            "postal_code": "857041146",
            "telephone_number": "520-877-3328"
        }
    ],
    "practiceLocations": [],
    "basic": {
        "last_name": "BAKER",
        "first_name": "JOSEPH",
        "middle_name": "SPENCER",
        "name_prefix": "Dr.",
        "credential": "DPM",
        "sole_proprietor": "NO",
        "sex": "M",
        "enumeration_date": "2012-06-26",
        "last_updated": "2026-02-13",
        "certification_date": "2026-02-13",
        "status": "A"
    },
    "taxonomies": [
        {
            "code": "213ES0103X",
            "taxonomy_group": "",
            "desc": "Podiatrist, Foot & Ankle Surgery",
            "state": "AZ",
            "license": "0837",
            "primary": true
        }
    ],
    "identifiers": [],
    "endpoints": [],
    "other_names": []
}

• Erika Ellen Baker, PH.D.
• Francina Baker
• Holly Nicole Baker, L.AC.
• Ilene Baker, LISAC
• James Donald Baker, MS, LASAC, LIAC
• Julie A Baker, M.S.P.T
• Kent W Baker, M.S.
• Kim Teresa Baker, MD
• Kimberly Baker, PHARMD
• Lisa M Baker, DNP, PMHNP-BC

• Foot & Ankle Surgery Podiatrist in Tucson, AZ
• Providers in Tucson, AZ by specialty
• Foot & Ankle Surgery Podiatrist in Arizona

• NPPES NPI Registry (CMS): identity, addresses, specialties, licenses, identifiers and endpoints. Last updated by the provider on Feb 13, 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.