Individual provider Active NPI

James David Mikolajczak, D.O.

  • Family Medicine Physician
  • Tucson, AZ
National Provider Identifier
1013279587
Registry record updated Mar 18, 2026
On this page

Key facts

NPPES NPI Registry
Primary specialty
Family Medicine PhysicianTaxonomy code 207Q00000X
License
010430 Issued in AZ
Practice address
320 W Prince Rd
Tucson, AZ 85705-3526
Phone
(520) 670-3909
Fax
(520) 309-2560
NPI assigned
Jun 11, 2012
Sex
Male
Sole proprietor
No

NPPES NPI Registry

Updated by the provider on Mar 18, 2026

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

Specialties & licenses 1

Specialty (taxonomy)CodeLicenseStatePrimary
Family Medicine Physician 207Q00000X 010430 AZ Primary

Addresses

Primary practice location

320 W Prince Rd
Tucson, AZ 85705-3526

Mailing address

839 W Congress St
Tucson, AZ 85745-2819
Phone (520) 670-3909

Medicare participation

Medicare enrollment files
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: Yes
Green means eligible to order or refer.

Enrollment records 1

Enrollment IDStateProvider typePAC IDDetails
I20260622001699 AZ Practitioner - Family Practice 8426208760 Reassigns benefits to 1 organization

Care Compare profile

Medicare Care Compare
Specialty
Family Practice
Education
Arizona College of Osteopathic Medicine Mid Western University, 2012
Medicare assignment
Accepts the Medicare-approved amount as payment in full
Group practices
El Rio Santa Cruz Neighborhood Health Center, Inc.Group PAC ID 6305739244, 283 clinicians

Practice addresses (Care Compare)

839 W Congress St
Tucson, AZ 85745-2819
Phone (520) 670-3909

National Provider Directory

National Provider Directory
Medicare enrollment (NPD)
Enrolled
Credentials
Doctor of Osteopathy

State licenses

LicenseStateTypeSpecialty
010430AZMDFamily Medicine Physician

Practice roles

OrganizationSpecialtyStatusNew patients
4 Pillars Medicine PLLC Family Medicine Current Accepting new patients

Networks

  • NM HMO C-SNP

Organizations & group practices 2

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.

NPI Registry JSON

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

{
    "created_epoch": "1339372800000",
    "enumeration_type": "NPI-1",
    "last_updated_epoch": "1773792000000",
    "number": "1013279587",
    "addresses": [
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "MAILING",
            "address_type": "DOM",
            "address_1": "839 W CONGRESS ST",
            "city": "TUCSON",
            "state": "AZ",
            "postal_code": "857452819",
            "telephone_number": "520-670-3909",
            "fax_number": "520-309-2560"
        },
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "LOCATION",
            "address_type": "DOM",
            "address_1": "320 W PRINCE RD",
            "city": "TUCSON",
            "state": "AZ",
            "postal_code": "857053526",
            "telephone_number": "520-670-3909",
            "fax_number": "520-309-2560"
        }
    ],
    "practiceLocations": [],
    "basic": {
        "last_name": "MIKOLAJCZAK",
        "first_name": "JAMES",
        "middle_name": "DAVID",
        "name_prefix": "Dr.",
        "credential": "D.O.",
        "sole_proprietor": "NO",
        "sex": "M",
        "enumeration_date": "2012-06-11",
        "last_updated": "2026-03-18",
        "certification_date": "2026-03-18",
        "status": "A"
    },
    "taxonomies": [
        {
            "code": "207Q00000X",
            "taxonomy_group": "",
            "desc": "Family Medicine",
            "state": "AZ",
            "license": "010430",
            "primary": true
        }
    ],
    "identifiers": [],
    "endpoints": [],
    "other_names": []
}

Other providers in Tucson, AZ

Sources for this page

Verify at the official NPI Registry.