James J Koster, MD

Primary specialty

Ophthalmology PhysicianTaxonomy code 207W00000X

License

32672 Issued in AZ

Practice address

300 E Osborn Rd Ste 100
Phoenix, AZ 85012-2347

Phone

(480) 994-5012

Fax

(480) 994-9479

NPI assigned

Sep 21, 2005

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

Other identifiers 2

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

Specialty

Ophthalmology

Education

University of Arizona College of Medicine, 1999

Medicare assignment

Accepts the Medicare-approved amount as payment in full

Group practices

Associated Ophthalmologists LTDGroup PAC ID 8325024805, 17 clinicians

Practice addresses (Care Compare)

Merit-based Incentive Payment System (MIPS)

Final score

89.71 of 100Reported as individual

Quality

81.3

Promoting interoperability

100

Improvement activities

40

Cost

84.39

Procedures performed for Medicare patients

Medicare enrollment (NPD)

Enrolled

Credentials

Doctor of Medicine

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 and National Provider Directory roles.

• Associated Ophthalmologists LTD

  • Ophthalmology Physician
  • Scottsdale, AZ
  • NPI 1487704581
  Medicare reassignment Care Compare group NPD
• Affiliated Eye Surgeons LTD

  • Ophthalmology Physician
  • Phoenix, AZ
  • NPI 1457334641
  Medicare reassignment NPD
• Associated Ophthalmologist, LTD

  • Ophthalmology Physician
  • Mesa, AZ
  • NPI 1841521697
  NPD (past)
• Biltmore Eye Physicians PC.

  • Optometrist
  • Phoenix, AZ
  • NPI 1053035493

  Ophthalmology

  NPD (past)

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

{
    "created_epoch": "1127260800000",
    "enumeration_type": "NPI-1",
    "last_updated_epoch": "1733443200000",
    "number": "1851387344",
    "addresses": [
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "MAILING",
            "address_type": "DOM",
            "address_1": "2111 E HIGHLAND AVE STE 240",
            "city": "PHOENIX",
            "state": "AZ",
            "postal_code": "850164794",
            "telephone_number": "480-994-5012",
            "fax_number": "480-994-9479"
        },
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "LOCATION",
            "address_type": "DOM",
            "address_1": "300 E OSBORN RD STE 100",
            "city": "PHOENIX",
            "state": "AZ",
            "postal_code": "850122347",
            "telephone_number": "480-994-5012",
            "fax_number": "480-994-9479"
        }
    ],
    "practiceLocations": [],
    "basic": {
        "last_name": "KOSTER",
        "first_name": "JAMES",
        "middle_name": "J",
        "credential": "MD",
        "sole_proprietor": "NO",
        "sex": "M",
        "enumeration_date": "2005-09-21",
        "last_updated": "2024-12-06",
        "certification_date": "2024-12-06",
        "status": "A"
    },
    "taxonomies": [
        {
            "code": "207W00000X",
            "taxonomy_group": "",
            "desc": "Ophthalmology",
            "state": "AZ",
            "license": "32672",
            "primary": true
        }
    ],
    "identifiers": [
        {
            "code": "01",
            "desc": "Other (non-Medicare)",
            "issuer": "BCBS",
            "identifier": "A20754950",
            "state": null
        },
        {
            "code": "05",
            "desc": "MEDICAID",
            "issuer": null,
            "identifier": "870643",
            "state": "AZ"
        }
    ],
    "endpoints": [],
    "other_names": []
}

• Danielle Koski
• Kyle L Koski, PA-C
• Sandra Koski
• Jennifer Louise Koslo, MS, RD, CSSD
• Madison Adia Kosmatka
• Kami Koster
• John H Kosters, M.D.
• Robert Joseph Kostial, D.D.S.
• Steli Pankova Kostov, FNP
• James H Kostrewa, PT

• Ophthalmology Physician in Phoenix, AZ
• Providers in Phoenix, AZ by specialty
• Ophthalmology Physician in Arizona

• NPPES NPI Registry (CMS): identity, addresses, specialties, licenses, identifiers and endpoints. Last updated by the provider on Dec 6, 2024; 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.