Individual provider Active NPI

Gregory M. Dunham, MD

  • Obstetrics & Gynecology Physician
  • San Angelo, TX
National Provider Identifier
1679556054
Registry record updated Dec 28, 2017
On this page

Key facts

NPPES NPI Registry
Primary specialty
Obstetrics & Gynecology PhysicianTaxonomy code 207V00000X
License
G5006 Issued in TX
Practice address
220 E. Harris
San Angelo, TX 76903
Phone
(325) 481-2285
Fax
(325) 481-2386
NPI assigned
Nov 21, 2005
Sex
Male
Sole proprietor
No

NPPES NPI Registry

Updated by the provider on Dec 28, 2017

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

Specialties & licenses 1

Specialty (taxonomy)CodeLicenseStatePrimary
Obstetrics & Gynecology Physician 207V00000X G5006 TX Primary

Addresses

Primary practice location

220 E. Harris
San Angelo, TX 76903

Mailing address

PO Box 22000
San Angelo, TX 76902-7200
Phone (325) 658-1511

Other identifiers 1

IdentifierTypeStateIssuer
134491305MedicaidTX

Medicare participation

Medicare enrollment files
Medicare fee-for-service enrollment
Enrolled in TX, OK2 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
I20070918000307 TX Practitioner - Obstetrics/Gynecology 6901990225 Reassigns benefits to 1 organization
I20260105000365 OK Practitioner - Obstetrics/Gynecology 6901990225 Reassigns benefits to 1 organization

Care Compare profile

Medicare Care Compare
Specialty
Obstetrics/Gynecology
Education
University of Texas Southwestern Medical School at Dallas, 1983
Medicare assignment
Accepts the Medicare-approved amount as payment in full
Group practices
Shannon ClinicGroup PAC ID 0840103727, 550 clinicians
The West Texas Rehabilitation CenterGroup PAC ID 2860301215, shared by 5 NPIs, 444 clinicians

Practice addresses (Care Compare)

120 E Beauregard Ave
San Angelo, TX 76903-5919
Phone (325) 747-1511

4601 Hartford St
Abilene, TX 79605-4603
Phone (325) 793-3411

Hospital & facility affiliations

Merit-based Incentive Payment System (MIPS)

Final score
82.63 of 100Reported as group
Quality
78.21
Promoting interoperability
96
Improvement activities
40
Cost
67.22

Procedures performed for Medicare patients

ProcedureNumber of procedures
Removal of the uterus11

National Provider Directory

National Provider Directory
Medicare enrollment (NPD)
Enrolled
Credentials
Doctor of Medicine

Practice roles

OrganizationSpecialtyStatusNew patients
Integris Ambulatory Care Corporation Obstetrics & Gynecology CurrentSince Dec 29, 2025 Accepting new patients
Shannon Clinic Obstetrics & Gynecology CurrentSince Oct 25, 2009 Accepting new patients
Shannon Clinic CurrentSince Oct 25, 2009 Accepting new patients
Shannon Medical Center Past Accepting new patients

Locations

3400 NW Expressway
Ste 500
Oklahoma City, OK 73112
Phone (405) 945-4589

900 17th St
Woodward, OK 73801
Phone (405) 610-4411

120 E Beauregard Ave
San Angelo, TX 76903
Phone (915) 658-1511

220 E Harris Ave
San Angelo, TX 76903
Phone (325) 481-2000

120 E Harris Ave
San Angelo, TX 76903
Phone (325) 653-6741

Interoperability endpoints

  • Direct secure messaging: gdunham6499@shannonhealth.direct-ci.com

Organizations & group practices 4

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.

Hospital & facility affiliations 1

Hospitals and other facilities this clinician is affiliated with according to Medicare Care Compare.

NPI Registry JSON

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

{
    "created_epoch": "1132531200000",
    "enumeration_type": "NPI-1",
    "last_updated_epoch": "1514419200000",
    "number": "1679556054",
    "addresses": [
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "MAILING",
            "address_type": "DOM",
            "address_1": "PO BOX 22000",
            "city": "SAN ANGELO",
            "state": "TX",
            "postal_code": "769027200",
            "telephone_number": "325-658-1511"
        },
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "LOCATION",
            "address_type": "DOM",
            "address_1": "220 E. HARRIS",
            "city": "SAN ANGELO",
            "state": "TX",
            "postal_code": "76903",
            "telephone_number": "325-481-2285",
            "fax_number": "325-481-2386"
        }
    ],
    "practiceLocations": [],
    "basic": {
        "last_name": "DUNHAM",
        "first_name": "GREGORY",
        "middle_name": "M.",
        "credential": "MD",
        "sole_proprietor": "NO",
        "sex": "M",
        "enumeration_date": "2005-11-21",
        "last_updated": "2017-12-28",
        "status": "A"
    },
    "taxonomies": [
        {
            "code": "207V00000X",
            "taxonomy_group": "",
            "desc": "Obstetrics & Gynecology",
            "state": "TX",
            "license": "G5006",
            "primary": true
        }
    ],
    "identifiers": [
        {
            "code": "05",
            "desc": "MEDICAID",
            "issuer": null,
            "identifier": "134491305",
            "state": "TX"
        }
    ],
    "endpoints": [],
    "other_names": []
}

Other providers in San Angelo, TX

Sources for this page

Verify at the official NPI Registry.