Caaveh Siahmakoun, OD

Primary specialty

OptometristTaxonomy code 152W00000X

License

OPT-002886 Issued in AZ

Practice address

1025 S Power Rd Ste 102
Mesa, AZ 85206-5240

Phone

(480) 325-6277

Fax

(480) 325-6278

NPI assigned

Mar 3, 2025

Sex

Male

Sole proprietor

Yes

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

Optometry

Education

Indiana University - School of Optometry, 2025

Medicare assignment

Accepts the Medicare-approved amount as payment in full

Group practices

Nationwide Optometry P.C.Group PAC ID 6901033075, 54 clinicians

Practice addresses (Care Compare)

Medicare enrollment (NPD)

Enrolled

State licenses

Practice roles

Locations (25 of 56)

Interoperability endpoints

• Direct secure messaging: dr.caaveh.siahmakoun@direct.eyecare-partners.com
• FHIR API: https://app.meldrx.com/api/fhir/ecp_cecaz

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.

• Nationwide Optometry P.C.

  dba Nationwide Vision

  • Optometrist
  • Tempe, AZ
  • NPI 1326472945
  Medicare reassignment Care Compare group NPD
• Nationwide Optometry P.C.

  dba Nationwide Vision

  • Optometrist
  • Sun City West, AZ
  • NPI 1427374347
  NPD
• Nationwide Optometry P.C.

  dba Nationwide Vision

  • Optometrist
  • Gilbert, AZ
  • NPI 1023691250
  NPD (past)
• Nationwide Optometry P.C.

  dba Nationwide Vision

  • Optometrist
  • Phoenix, AZ
  • NPI 1073683348
  NPD (past)
• Nationwide Optometry P.C.

  dba Nationwide Vision

  • Optometrist
  • Mesa, AZ
  • NPI 1447973599
  NPD (past)

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

{
    "created_epoch": "1740960000000",
    "enumeration_type": "NPI-1",
    "last_updated_epoch": "1750636800000",
    "number": "1740087287",
    "addresses": [
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "MAILING",
            "address_type": "DOM",
            "address_1": "955 W SOUTHERN AVE STE 101",
            "city": "MESA",
            "state": "AZ",
            "postal_code": "852104903",
            "telephone_number": "480-961-1865",
            "fax_number": "480-893-8172"
        },
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "LOCATION",
            "address_type": "DOM",
            "address_1": "1025 S POWER RD STE 102",
            "city": "MESA",
            "state": "AZ",
            "postal_code": "852065240",
            "telephone_number": "480-325-6277",
            "fax_number": "480-325-6278"
        }
    ],
    "practiceLocations": [],
    "basic": {
        "last_name": "SIAHMAKOUN",
        "first_name": "CAAVEH",
        "credential": "OD",
        "sole_proprietor": "YES",
        "sex": "M",
        "enumeration_date": "2025-03-03",
        "last_updated": "2025-06-23",
        "certification_date": "2025-06-23",
        "status": "A"
    },
    "taxonomies": [
        {
            "code": "152W00000X",
            "taxonomy_group": "",
            "desc": "Optometrist",
            "state": "AZ",
            "license": "OPT-002886",
            "primary": true
        }
    ],
    "identifiers": [],
    "endpoints": [],
    "other_names": []
}

• David Dean William Shumway, M.ED.
• Joel Andrew Shumway, DDS
• Bailey Lynn Shupe, RD
• Lynae Shurtz, RN
• Jeffrey Lee Shy, MD
• Morgan Nichole Siddoway, PA-S1
• Molleigh Siebenaler
• Kathy M Siebert Hay
• James R Sieffert, D.C.
• Donald Siegel, DPM

• Optometrist in Mesa, AZ
• Providers in Mesa, AZ by specialty
• Optometrist in Arizona

• NPPES NPI Registry (CMS): identity, addresses, specialties, licenses, identifiers and endpoints. Last updated by the provider on Jun 23, 2025; 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.