Nathan C Hamaker, MD

Primary specialty

Ophthalmology PhysicianTaxonomy code 207W00000X

License

C205778 Issued in CA

Practice address

44439 17TH St W # 210
Lancaster, CA 93534-2831

Phone

(816) 838-3464

Fax

(818) 672-2700

NPI assigned

Jun 23, 2006

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 1

Medicare fee-for-service enrollment

Enrolled in MO

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

Medicare enrollment (NPD)

Enrolled

Credentials

Doctor of Medicine

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 and National Provider Directory roles.

• Seibert Mobile Optometry LLC

  • Optometrist
  • Jefferson City, MO
  • NPI 1679017362

  MO

  Medicare reassignment NPD
• Eye Care, LLC

  • Eyewear Supplier
  • Blue Springs, MO
  • NPI 1659497832
  NPD (past)

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

{
    "created_epoch": "1151020800000",
    "enumeration_type": "NPI-1",
    "last_updated_epoch": "1782691200000",
    "number": "1104852292",
    "addresses": [
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "MAILING",
            "address_type": "DOM",
            "address_1": "44439 17TH ST W # 210",
            "city": "LANCASTER",
            "state": "CA",
            "postal_code": "935342831",
            "telephone_number": "816-838-3464",
            "fax_number": "818-672-2700"
        },
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "LOCATION",
            "address_type": "DOM",
            "address_1": "44439 17TH ST W # 210",
            "city": "LANCASTER",
            "state": "CA",
            "postal_code": "935342831",
            "telephone_number": "816-838-3464",
            "fax_number": "818-672-2700"
        }
    ],
    "practiceLocations": [],
    "basic": {
        "last_name": "HAMAKER",
        "first_name": "NATHAN",
        "middle_name": "C",
        "name_prefix": "Dr.",
        "credential": "MD",
        "sole_proprietor": "NO",
        "sex": "M",
        "enumeration_date": "2006-06-23",
        "last_updated": "2026-06-29",
        "certification_date": "2026-06-29",
        "status": "A"
    },
    "taxonomies": [
        {
            "code": "207W00000X",
            "taxonomy_group": "",
            "desc": "Ophthalmology",
            "state": "CA",
            "license": "C205778",
            "primary": true
        }
    ],
    "identifiers": [
        {
            "code": "01",
            "desc": "Other (non-Medicare)",
            "issuer": "RAILROAD MEDICARE",
            "identifier": "P00411373",
            "state": null
        }
    ],
    "endpoints": [],
    "other_names": []
}

• Ka'Shandra Hall
• Kelly A Hall, DVM
• Miosha Hall, LVN
• Sandy Hall, LVN
• Amy J Hallmark
• Jennifer Hambro, LMFT
• Brandi Lea Hamby
• Heidi Hame, DDS MS
• Homayoon M Hame, DDS
• Hamid Imankhan DDS a Dental Corporation

• All providers in Lancaster, CA
• Ophthalmology Physician in California

• NPPES NPI Registry (CMS): identity, addresses, specialties, licenses, identifiers and endpoints. Last updated by the provider on Jun 29, 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.
• National Provider Directory (CMS): practice roles, locations, licenses, networks and endpoints.

Verify at the official NPI Registry.