Active NPI
Kathy Mostajeran, DO, MPH
- Maternal & Fetal Medicine Physician
- Houston, TX
On this page
Key facts
NPPES NPI Registry- Primary specialty
- Maternal & Fetal Medicine Physician
- License
- U5175
- Practice address
- 7900 Fannin St Ste 4400
Houston, TX 77054-2949 - Phone
- (137) 922-2574
- NPI assigned
- May 3, 2019
- 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 3
| Specialty (taxonomy) | Code | License | State | Primary |
|---|---|---|---|---|
| Obstetrics & Gynecology Physician | 207V00000X | 010815 | AZ | |
| Obstetrics & Gynecology Physician | 207V00000X | U5175 | TX | |
| Maternal & Fetal Medicine Physician | 207VM0101X | U5175 | TX | Primary |
Addresses
Primary practice location
7900 Fannin St Ste 4400
Houston, TX 77054-2949
Mailing address
7900 Fannin St Ste 4400
Houston, TX 77054-2949
Phone (137) 922-2574
Medicare participation
Medicare enrollment files- Medicare fee-for-service enrollment
- Enrolled in AZ
- Eligible to order & refer
- Part B services: Yes
- Medical equipment: Yes
- Home health: Yes
- Power mobility devices: Yes
- Hospice: Yes
Enrollment records 1
National Provider Directory
National Provider Directory- Medicare enrollment (NPD)
- Enrolled
- Credentials
- Doctor of Osteopathy
State licenses
| License | State | Type | Specialty |
|---|---|---|---|
| 010815 | AZ | MD | Obstetrics & Gynecology Physician |
| U5175 | TX | MD | Obstetrics & Gynecology Physician |
Practice roles
| Organization | Specialty | Status | New patients |
|---|---|---|---|
| Banner - University Physician Specialists LLC | Current | Accepting new patients | |
| Banner - University Physician Specialists LLC | Current | Accepting new patients | |
| District Medical Group, Inc | Current | Accepting new patients | |
| District Medical Group, Inc | Current | Accepting new patients | |
| District Medical Group, Inc | Current | Accepting new patients | |
| Banner - University Hospital Based Physicians LLC | Current | Accepting new patients | |
| Banner - University Hospital Based Physicians LLC | Current | Accepting new patients | |
| District Medical Group, Inc | Obstetrics & Gynecology | Past | Accepting new patients |
| Maricopa County Special Health Care District | Past | Accepting new patients |
Locations
1400 S Dobson Rd
Mesa, AZ 85202
Phone (480) 412-3000
8088 W Whitney Dr
Peoria, AZ 85345
Phone (602) 655-2000
2601 E Roosevelt St
Phoenix, AZ 85008
Phone (602) 220-0298
1111 E McDowell Rd
Phoenix, AZ 85006
Phone (602) 239-2000
2929 E Thomas Rd
Phoenix, AZ 85016
Phone (602) 470-5043
3141 N 3rd Ave
Phoenix, AZ 85013
Phone (602) 914-1520
2525 E Roosevelt St
Phoenix, AZ 85008
Phone (602) 344-1015
1300 N 12th St
Ste 508
Phoenix, AZ 85006
Phone (602) 839-3927
2601 E Roosevelt St
Ste 0D10
Phoenix, AZ 85008
Interoperability endpoints
- kmostajeran275441@direct.valleywisehealth.org
Organizations & group practices 9
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.
-
- General Acute Care Hospital
- Phoenix, AZ
- NPI 1750751566
-
- Multi-Specialty Clinic/Center
- Phoenix, AZ
- NPI 1437529245
-
- Anatomic Pathology & Clinical Pathology Physician
- Phoenix, AZ
- NPI 1336472448
-
- Multi-Specialty Clinic/Center
- Phoenix, AZ
- NPI 1538879481
-
- Durable Medical Equipment & Medical Supplies
- Phoenix, AZ
- NPI 1164255865
-
- Emergency Medicine Physician
- Phoenix, AZ
- NPI 1144624339
-
- Endocrinology, Diabetes & Metabolism Physician
- Phoenix, AZ
- NPI 1992038004
-
- Internal Medicine Physician
- Phoenix, AZ
- NPI 1295968162
Obstetrics & Gynecology
-
- General Acute Care Hospital
- Phoenix, AZ
- NPI 1073576740
NPI Registry JSON
The complete NPPES record for this NPI in the NPI Registry API format.
{
"created_epoch": "1556841600000",
"enumeration_type": "NPI-1",
"last_updated_epoch": "1785283200000",
"number": "1245895390",
"addresses": [
{
"country_code": "US",
"country_name": "United States",
"address_purpose": "MAILING",
"address_type": "DOM",
"address_1": "7900 FANNIN ST STE 4400",
"city": "HOUSTON",
"state": "TX",
"postal_code": "770542949",
"telephone_number": "137-922-2574"
},
{
"country_code": "US",
"country_name": "United States",
"address_purpose": "LOCATION",
"address_type": "DOM",
"address_1": "7900 FANNIN ST STE 4400",
"city": "HOUSTON",
"state": "TX",
"postal_code": "770542949",
"telephone_number": "137-922-2574"
}
],
"practiceLocations": [],
"basic": {
"last_name": "MOSTAJERAN",
"first_name": "KATHY",
"name_prefix": "Dr.",
"credential": "DO, MPH",
"sole_proprietor": "NO",
"sex": "F",
"enumeration_date": "2019-05-03",
"last_updated": "2026-07-29",
"certification_date": "2026-07-29",
"status": "A"
},
"taxonomies": [
{
"code": "207V00000X",
"taxonomy_group": "",
"desc": "Obstetrics & Gynecology",
"state": "AZ",
"license": "010815",
"primary": false
},
{
"code": "207V00000X",
"taxonomy_group": "",
"desc": "Obstetrics & Gynecology",
"state": "TX",
"license": "U5175",
"primary": false
},
{
"code": "207VM0101X",
"taxonomy_group": "",
"desc": "Obstetrics & Gynecology, Maternal & Fetal Medicine",
"state": "TX",
"license": "U5175",
"primary": true
}
],
"identifiers": [],
"endpoints": [],
"other_names": []
}
Other providers in Houston, TX
Sources for this page
- NPPES NPI Registry (CMS): identity, addresses, specialties, licenses, identifiers and endpoints. Last updated by the provider on Jul 29, 2026; 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.
- National Provider Directory (CMS): practice roles, locations, licenses, networks and endpoints.