Active NPI
Tiffany Dawn Riordan, M.D.
- Emergency Medicine Physician
- Brenham, TX
On this page
Key facts
NPPES NPI Registry- Primary specialty
- Emergency Medicine Physician
- License
- M8955
- Practice address
- 700 Medical Pkwy
Brenham, TX 77833-5413 - Phone
- (800) 994-0371
- Fax
- (254) 215-9722
- NPI assigned
- Jun 18, 2006
- Sex
- Female
- Sole proprietor
- No
NPPES NPI Registry
Registry information is reported by the provider to CMS and is not verified. About this source
Specialties & licenses 1
| Specialty (taxonomy) | Code | License | State | Primary |
|---|---|---|---|---|
| Emergency Medicine Physician | 207P00000X | M8955 | TX | Primary |
Addresses
Primary practice location
700 Medical Pkwy
Brenham, TX 77833-5413
Mailing address
Rco Provider Enrollment
2401 S 31St St Ms-Ar-M200
Temple, TX 76508-0001
Phone (254) 724-2111
Other identifiers 10
| Identifier | Type | State | Issuer |
|---|---|---|---|
| 20055495 | Other | PA | AMERIHEALTH MERCY-YH |
| P00341561 | Other | PA | RAILROAD MEDICARE |
| 2592 | Other | PA | GEISINGER-YH |
| 1865780 | Other | PA | HIGHMARK BLUE SHIELD-YH |
| 50067239 | Other | PA | CAPITAL BLUE CROSS-YH |
| 203883 | Other | PA | JOHNS HOPKINS |
| 101648686 | Medicaid | PA | |
| 1548643 | Other | PA | GATEWAY-YH |
| 200941 | Other | PA | UNISON YH |
| 2724605000 | Other | PA | AMERIHEALTH 65 PA-YH |
Electronic endpoints 1
| Type | Endpoint | Use | Affiliation |
|---|---|---|---|
| Direct Messaging Address | triordan83597@direct.sw.org |
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: Yes
- Hospice: Yes
Enrollment records 1
Care Compare profile
Medicare Care Compare- Specialty
- Emergency Medicine
- Education
- Texas a & M University System, HSC, College of Medicine, 2002
- Medicare assignment
- Accepts the Medicare-approved amount as payment in full
- Group practices
Practice addresses (Care Compare)
700 Medical Pkwy
Brenham, TX 77833-5413
Phone (979) 337-5000
Hospital & facility affiliations
Merit-based Incentive Payment System (MIPS)
- Final score
- 99.43 of 100
- Quality
- 93.73
- Promoting interoperability
- 100
- Improvement activities
- 40
National Provider Directory
National Provider Directory- Medicare enrollment (NPD)
- Enrolled
- Credentials
- Doctor of Medicine
Practice roles
| Organization | Specialty | Status | New patients |
|---|---|---|---|
| Scott & White Hospital - Taylor | Emergency Medicine | Current | Accepting new patients |
| Brazos Valley Emergency Physicians PA | Emergency Medicine | Current | Accepting new patients |
| Scott & White Hospital - Taylor | Current | Accepting new patients | |
| Bryan Emergency Physicians PA | Emergency Medicine | Current | Accepting new patients |
Locations
700 Medical Pkwy
Brenham, TX 77833
Phone (979) 337-5000
2801 Franciscan Dr
Bryan, TX 77802
Phone (409) 776-3777
3500 Gaston Ave
Dallas, TX 75246
1400 8th Ave
Ft Worth, TX 76104
Phone (817) 922-1559
1901 N MacArthur Blvd
Irving, TX 75061
Phone (972) 484-5192
210 S Judson St
Navasota, TX 77868
Phone (936) 825-6585
2600 E Pflugerville Pkwy
Ste 100
Pflugerville, TX 78660
Phone (512) 654-6100
4700 Alliance Blvd
#P
Plano, TX 75093
Phone (469) 814-2000
305 Mallard Ln
Taylor, TX 76574
Phone (512) 352-7611
2401 S 31st St
#200
Temple, TX 76508
Phone (254) 215-0100
Interoperability endpoints
- triordan83597@direct.sw.org
Organizations & group practices 5
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.
-
- Emergency Medicine Physician
- Dallas, TX
- NPI 1447615711
-
- Emergency Medicine Physician
- Navasota, TX
- NPI 1982642955
-
- Emergency Medicine Physician
- Bryan, TX
- NPI 1417995481
-
dba Baylor Scott & White Medical Center - Taylor
- Emergency Medicine Physician
- Taylor, TX
- NPI 1659366557
-
dba Baylor Scott & White Medical Center - Taylor
- Nurse Practitioner
- Taylor, TX
- NPI 1659548568
Hospital & facility affiliations 2
Hospitals and other facilities this clinician is affiliated with according to Medicare Care Compare.
-
dba Baylor Scott & White Medical Center - Round Rock
- General Acute Care Hospital
- Round Rock, TX
- NPI 1265568638
-
dba Baylor Scott & White Medical Center - Brenham
- Critical Access Hospital
- Brenham, TX
- NPI 1154315307
NPI Registry JSON
The complete NPPES record for this NPI in the NPI Registry API format.
{
"created_epoch": "1150588800000",
"enumeration_type": "NPI-1",
"last_updated_epoch": "1757030400000",
"number": "1457396087",
"addresses": [
{
"country_code": "US",
"country_name": "United States",
"address_purpose": "MAILING",
"address_type": "DOM",
"address_1": "RCO PROVIDER ENROLLMENT",
"address_2": "2401 S 31ST ST MS-AR-M200",
"city": "TEMPLE",
"state": "TX",
"postal_code": "765080001",
"telephone_number": "254-724-2111"
},
{
"country_code": "US",
"country_name": "United States",
"address_purpose": "LOCATION",
"address_type": "DOM",
"address_1": "700 MEDICAL PKWY",
"city": "BRENHAM",
"state": "TX",
"postal_code": "778335413",
"telephone_number": "800-994-0371",
"fax_number": "254-215-9722"
}
],
"practiceLocations": [],
"basic": {
"last_name": "RIORDAN",
"first_name": "TIFFANY",
"middle_name": "DAWN",
"credential": "M.D.",
"sole_proprietor": "NO",
"sex": "F",
"enumeration_date": "2006-06-18",
"last_updated": "2025-09-05",
"certification_date": "2025-09-05",
"status": "A"
},
"taxonomies": [
{
"code": "207P00000X",
"taxonomy_group": "",
"desc": "Emergency Medicine",
"state": "TX",
"license": "M8955",
"primary": true
}
],
"identifiers": [
{
"code": "01",
"desc": "Other (non-Medicare)",
"issuer": "AMERIHEALTH MERCY-YH",
"identifier": "20055495",
"state": "PA"
},
{
"code": "01",
"desc": "Other (non-Medicare)",
"issuer": "RAILROAD MEDICARE",
"identifier": "P00341561",
"state": "PA"
},
{
"code": "01",
"desc": "Other (non-Medicare)",
"issuer": "GEISINGER-YH",
"identifier": "2592",
"state": "PA"
},
{
"code": "01",
"desc": "Other (non-Medicare)",
"issuer": "HIGHMARK BLUE SHIELD-YH",
"identifier": "1865780",
"state": "PA"
},
{
"code": "01",
"desc": "Other (non-Medicare)",
"issuer": "CAPITAL BLUE CROSS-YH",
"identifier": "50067239",
"state": "PA"
},
{
"code": "01",
"desc": "Other (non-Medicare)",
"issuer": "JOHNS HOPKINS",
"identifier": "203883",
"state": "PA"
},
{
"code": "05",
"desc": "MEDICAID",
"issuer": null,
"identifier": "101648686",
"state": "PA"
},
{
"code": "01",
"desc": "Other (non-Medicare)",
"issuer": "GATEWAY-YH",
"identifier": "1548643",
"state": "PA"
},
{
"code": "01",
"desc": "Other (non-Medicare)",
"issuer": "UNISON YH",
"identifier": "200941",
"state": "PA"
},
{
"code": "01",
"desc": "Other (non-Medicare)",
"issuer": "AMERIHEALTH 65 PA-YH",
"identifier": "2724605000",
"state": "PA"
}
],
"endpoints": [
{
"endpointType": "DIRECT",
"endpointTypeDescription": "Direct Messaging Address",
"endpoint": "triordan83597@direct.sw.org",
"affiliation": "N",
"address_1": "700 Medical Pkwy",
"city": "Brenham",
"state": "TX",
"country_code": "US",
"postal_code": "778335413",
"country_name": "United States",
"address_type": "DOM"
}
],
"other_names": []
}
Other providers in Brenham, TX
Sources for this page
- NPPES NPI Registry (CMS): identity, addresses, specialties, licenses, identifiers and endpoints. Last updated by the provider on Sep 5, 2025; 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.
- Medicare Care Compare (CMS): clinician profile, group practices, facility affiliations, MIPS scores and star ratings.
- National Provider Directory (CMS): practice roles, locations, licenses, networks and endpoints.