Individual provider Active NPI

Ryan Andrew Fairfield, DO

  • Hospitalist Physician
  • Houston, TX
National Provider Identifier
1689324915
Registry record updated Nov 3, 2025
On this page

Key facts

NPPES NPI Registry
Primary specialty
Hospitalist PhysicianTaxonomy code 208M00000X
License
V8985 Issued in TX
Practice address
1635 North Loop W South Tower FL 1
Houston, TX 77008-1532
Phone
(713) 867-2066
Fax
(713) 314-8280
NPI assigned
Mar 28, 2022
Sex
Male
Sole proprietor
No

NPPES NPI Registry

Updated by the provider on Nov 3, 2025

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

Specialties & licenses 3

Specialty (taxonomy)CodeLicenseStatePrimary
Hospitalist Physician 208M00000X V8985 TX Primary
Internal Medicine Physician 207R00000X V8985 TX
Student in an Organized Health Care Education/Training Program 390200000X

Addresses

Primary practice location

1635 North Loop W South Tower FL 1
Houston, TX 77008-1532

Mailing address

1635 North Loop W South Tower FL 1
Houston, TX 77008-1532
Phone (713) 867-2066

Other practice location 1

2123 Auburn Ave Ste 235
Cincinnati, OH 45219-2906
Phone (513) 585-3238

Medicare participation

Medicare enrollment files
Medicare fee-for-service enrollment
Enrolled in TX
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

Enrollment IDStateProvider typePAC IDDetails
I20251009004752 TX Practitioner - Hospitalist 5395123053 Reassigns benefits to 1 organization

Care Compare profile

Medicare Care Compare
Specialty
Hospitalist
Education
Kansas City University of Med & Biosciences, College of Osteo Med, 2022
Medicare assignment
Accepts the Medicare-approved amount as payment in full
Group practices
Memorial Hermann Medical GroupGroup PAC ID 7012008360, 760 clinicians

Practice addresses (Care Compare)

1635 N Loop W
Houston, TX 77008-1532
Phone (713) 867-2066

1635 N Loop W S Tower FL
Suite 1
Houston, TX 77008-1532
Phone (713) 867-2066

1801 N Loop W
Suite 30
Houston, TX 77008-1445
Phone (713) 802-9781

Hospital & facility affiliations

  • Memorial Hermann Hospital System Hospital, Houston, TX, CCN 450184

National Provider Directory

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

State licenses

LicenseStateTypeSpecialty
V8985TXMDHospitalist Physician

Practice roles

OrganizationSpecialtyStatusNew patients
Memorial Hermann Medical Group Internal Medicine CurrentSince Oct 1, 2025 Accepting new patients
The Christ Hospital Medical Associates, LLC Internal Medicine CurrentSince Apr 3, 2022 Accepting new patients
Memorial Hermann Health System Past Accepting new patients

Locations

2123 Auburn Ave
Ste 235
Cincinnati, OH 45219
Phone (513) 585-3238

2123 Auburn Ave
Ste 340
Cincinnati, OH 45219
Phone (513) 585-2288

1505 E Winding Way Dr
Ste 200
Friendswood, TX 77546
Phone (713) 366-7800

1635 North Loop W
Fl 1
Houston, TX 77008
Phone (713) 867-2066

915 Gessner Rd
Ste 100
Houston, TX 77024
Phone (713) 242-2222

1801 North Loop W
Ste 30
Houston, TX 77008
Phone (713) 802-9781

3203 Broadway St
Pearland, TX 77581
Phone (281) 485-8876

Organizations & group practices 3

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 6

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": "1648425600000",
    "enumeration_type": "NPI-1",
    "last_updated_epoch": "1762128000000",
    "number": "1689324915",
    "addresses": [
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "MAILING",
            "address_type": "DOM",
            "address_1": "1635 NORTH LOOP W SOUTH TOWER FL 1",
            "city": "HOUSTON",
            "state": "TX",
            "postal_code": "770081532",
            "telephone_number": "713-867-2066",
            "fax_number": "713-314-8280"
        },
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "LOCATION",
            "address_type": "DOM",
            "address_1": "1635 NORTH LOOP W SOUTH TOWER FL 1",
            "city": "HOUSTON",
            "state": "TX",
            "postal_code": "770081532",
            "telephone_number": "713-867-2066",
            "fax_number": "713-314-8280"
        }
    ],
    "practiceLocations": [
        {
            "address_1": "2123 Auburn Ave Ste 235",
            "address_purpose": "LOCATION",
            "city": "Cincinnati",
            "state": "OH",
            "postal_code": "452192906",
            "country_code": "US",
            "telephone_number": "513-585-3238",
            "country_name": "United States",
            "address_type": "DOM"
        }
    ],
    "basic": {
        "last_name": "FAIRFIELD",
        "first_name": "RYAN",
        "middle_name": "ANDREW",
        "credential": "DO",
        "sole_proprietor": "NO",
        "sex": "M",
        "enumeration_date": "2022-03-28",
        "last_updated": "2025-11-03",
        "certification_date": "2025-11-03",
        "status": "A"
    },
    "taxonomies": [
        {
            "code": "208M00000X",
            "taxonomy_group": "",
            "desc": "Hospitalist",
            "state": "TX",
            "license": "V8985",
            "primary": true
        },
        {
            "code": "207R00000X",
            "taxonomy_group": "",
            "desc": "Internal Medicine",
            "state": "TX",
            "license": "V8985",
            "primary": false
        },
        {
            "code": "390200000X",
            "taxonomy_group": "",
            "desc": "Student in an Organized Health Care Education/Training Program",
            "state": null,
            "license": null,
            "primary": false
        }
    ],
    "identifiers": [],
    "endpoints": [],
    "other_names": []
}

Other providers in Houston, TX

Sources for this page

Verify at the official NPI Registry.