Gregory Clifton Tesluk, MD

Primary specialty

Ophthalmology PhysicianTaxonomy code 207W00000X

License

C418240 Issued in CA

Practice address

400 E Orangeburg Ave Ste 2
Modesto, CA 95350-5365

Phone

(209) 526-3000

Fax

(209) 526-3133

NPI assigned

Jul 20, 2006

Sex

Male

Sole proprietor

Yes

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

Specialties & licenses 2

Addresses

Other identifiers 1

Medicare fee-for-service enrollment

Not listed in the public Medicare enrollment file

Medicare enrollment (NPD)

Enrolled

Credentials

Doctor of Medicine

State licenses

Practice roles

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.

• Modesto Surgery Center LLC

  • Ambulatory Surgical Clinic/Center
  • Modesto, CA
  • NPI 1356463913
  NPD (past)

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

{
    "created_epoch": "1153353600000",
    "enumeration_type": "NPI-1",
    "last_updated_epoch": "1757548800000",
    "number": "1255351755",
    "addresses": [
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "MAILING",
            "address_type": "DOM",
            "address_1": "3424 WYCLIFFE DR",
            "city": "MODESTO",
            "state": "CA",
            "postal_code": "953554742",
            "telephone_number": "209-526-5121"
        },
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "LOCATION",
            "address_type": "DOM",
            "address_1": "400 E ORANGEBURG AVE STE 2",
            "city": "MODESTO",
            "state": "CA",
            "postal_code": "953505365",
            "telephone_number": "209-526-3000",
            "fax_number": "209-526-3133"
        }
    ],
    "practiceLocations": [],
    "basic": {
        "last_name": "TESLUK",
        "first_name": "GREGORY",
        "middle_name": "CLIFTON",
        "name_prefix": "Dr.",
        "credential": "MD",
        "sole_proprietor": "YES",
        "sex": "M",
        "enumeration_date": "2006-07-20",
        "last_updated": "2025-09-11",
        "status": "A"
    },
    "taxonomies": [
        {
            "code": "156FX1100X",
            "taxonomy_group": "",
            "desc": "Technician/Technologist, Ophthalmic",
            "state": "CA",
            "license": "C41824",
            "primary": false
        },
        {
            "code": "207W00000X",
            "taxonomy_group": "",
            "desc": "Ophthalmology",
            "state": "CA",
            "license": "C418240",
            "primary": true
        }
    ],
    "identifiers": [
        {
            "code": "05",
            "desc": "MEDICAID",
            "issuer": null,
            "identifier": "00C418240",
            "state": "CA"
        }
    ],
    "endpoints": [],
    "other_names": []
}

• Juan Carlos Teran Jr.
• Sheldon Haruo Teranishi
• Jennifer V. Tercero
• Sergey Tereshchenko, AMFT
• Berhanu Chane Tesfaye, M.D.
• Margaret Tesluk, CRNA
• Allison Test
• Monika Nicole Teves, M.S., P.P.S.
• Ashtan Christean Thach
• Rylie Thacker

• Ophthalmology Physician in Modesto, CA
• Providers in Modesto, CA by specialty
• Ophthalmology Physician in California

• NPPES NPI Registry (CMS): identity, addresses, specialties, licenses, identifiers and endpoints. Last updated by the provider on Sep 11, 2025; self-reported and not verified by CMS. Specialty names from the NUCC taxonomy.
• National Provider Directory (CMS): practice roles, locations, licenses, networks and endpoints.

Verify at the official NPI Registry.