Individual provider Active NPI

John G Petty, MD

  • Ophthalmology Physician
  • Cortez, CO
National Provider Identifier
1881665263
Registry record updated Oct 16, 2007
On this page

Key facts

NPPES NPI Registry
Primary specialty
Ophthalmology PhysicianTaxonomy code 207W00000X
License
35259 Issued in CO
Practice address
2423 E Main
Ste 4
Cortez, CO 81321
Phone
(970) 565-8809
Fax
(970) 565-8881
NPI assigned
Feb 1, 2006
Sex
Male
Sole proprietor
Yes

NPPES NPI Registry

Updated by the provider on Oct 16, 2007

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

Specialties & licenses 1

Specialty (taxonomy)CodeLicenseStatePrimary
Ophthalmology Physician 207W00000X 35259 CO Primary

Addresses

Primary practice location

2423 E Main
Ste 4
Cortez, CO 81321

Mailing address

2423 E Main
Ste 4
Cortez, CO 81321
Phone (970) 565-8809

Other identifiers 1

IdentifierTypeStateIssuer
01352590MedicaidCO

Medicare participation

Medicare enrollment files
Medicare fee-for-service enrollment
Enrolled in MT, HI2 enrollments
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 2

Enrollment IDStateProvider typePAC IDDetails
I20231102001855 MT Practitioner - Ophthalmology 5092706630 Reassigns benefits to 1 organization
I20251005000001 HI Practitioner - Ophthalmology 5092706630 Reassigns benefits to 2 organizations

Care Compare profile

Medicare Care Compare
Specialty
Ophthalmology
Education
University of California, San Diego School of Medicine, 1992
Medicare assignment
Accepts the Medicare-approved amount as payment in full
Group practices
Eugene W M NG MD LLC 6 clinicians

Practice addresses (Care Compare)

2228 Liliha St
Suite 102a
Honolulu, HI 96817-1651
Phone (808) 356-3820

Procedures performed for Medicare patients

ProcedureNumber of procedures
Cataract surgery32

National Provider Directory

National Provider Directory
Medicare enrollment (NPD)
Not enrolled
HHS exclusion list flag
Flagged The directory lists this NPI on an HHS exclusion list. Confirm with the OIG exclusions search.
Credentials
Doctor of Medicine

State licenses

LicenseStateTypeSpecialty
35259COMDOphthalmology Physician

Practice roles

OrganizationSpecialtyStatusNew patients
Billings Clinic CurrentSince Oct 20, 2023 Accepting new patients
Billings Clinic CurrentSince Oct 20, 2023 Accepting new patients
Eugene W M NG MD LLC Ophthalmology CurrentSince Jul 15, 2025 Accepting new patients
Hawaii Vision Institute LLC Ophthalmology CurrentSince Jul 15, 2025 Accepting new patients
Alpine Eye Clinic Optical, LLC Current Accepting new patients
Pacific Eye Surgery Center, Inc. CurrentSince Jul 15, 2025 Accepting new patients
Billings Clinic Current Accepting new patients

Locations

13123 E 16th Ave
Aurora, CO 80045
Phone (720) 777-3846

2423 E Main St
Ste 4
Cortez, CO 81321
Phone (970) 565-8809

1178 Kinoole St
Ste A
Hilo, HI 96720
Phone (808) 969-1419

47 Lanihuli St
Hilo, HI 96720
Phone (808) 961-4711

615 Piikoi St
Ste 1210
Honolulu, HI 96814
Phone (808) 596-7300

2228 Liliha St
Ste 102A
Honolulu, HI 96817
Phone (808) 533-7400

407 Uluniu St
Ste 109
Kailua, HI 96734
Phone (808) 262-4071

407 Uluniu St
Ste 3123F
Kailua, HI 96734

75-170 Hualalai Rd
Ste C311
Kailua Kona, HI 96740

94-871 Farrington Hwy
Ste 200
Waipahu, HI 96797
Phone (808) 677-7400

94-871 Farrington Hwy
Waipahu, HI 96797
Phone (808) 677-7400

801 N 29th St
Billings, MT 59101
Phone (406) 238-2210

2800 10th Ave N
Billings, MT 59101
Phone (406) 248-3290

Organizations & group practices 7

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": "1138752000000",
    "enumeration_type": "NPI-1",
    "last_updated_epoch": "1192492800000",
    "number": "1881665263",
    "addresses": [
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "MAILING",
            "address_type": "DOM",
            "address_1": "2423 E MAIN",
            "address_2": "STE 4",
            "city": "CORTEZ",
            "state": "CO",
            "postal_code": "81321",
            "telephone_number": "970-565-8809",
            "fax_number": "970-565-8881"
        },
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "LOCATION",
            "address_type": "DOM",
            "address_1": "2423 E MAIN",
            "address_2": "STE 4",
            "city": "CORTEZ",
            "state": "CO",
            "postal_code": "81321",
            "telephone_number": "970-565-8809",
            "fax_number": "970-565-8881"
        }
    ],
    "practiceLocations": [],
    "basic": {
        "last_name": "PETTY",
        "first_name": "JOHN",
        "middle_name": "G",
        "name_prefix": "Mr.",
        "credential": "MD",
        "sole_proprietor": "YES",
        "sex": "M",
        "enumeration_date": "2006-02-01",
        "last_updated": "2007-10-16",
        "status": "A"
    },
    "taxonomies": [
        {
            "code": "207W00000X",
            "taxonomy_group": "",
            "desc": "Ophthalmology",
            "state": "CO",
            "license": "35259",
            "primary": true
        }
    ],
    "identifiers": [
        {
            "code": "05",
            "desc": "MEDICAID",
            "issuer": null,
            "identifier": "01352590",
            "state": "CO"
        }
    ],
    "endpoints": [],
    "other_names": []
}

Other providers in Cortez, CO

Sources for this page

Verify at the official NPI Registry.