Active NPI
Yahya Ahmed, M.D.
- Internal Medicine Physician
- Hayward, CA
On this page
Key facts
NPPES NPI Registry- Primary specialty
- Internal Medicine Physician
- License
- C162207
- Practice address
- 27200 Calaroga Ave
Hayward, CA 94545-4383 - Phone
- (510) 264-4000
- NPI assigned
- Jul 28, 2008
- Sex
- Male
- Sole proprietor
- Yes
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 |
|---|---|---|---|---|
| Internal Medicine Physician | 207R00000X | C162207 | CA | Primary |
Addresses
Primary practice location
27200 Calaroga Ave
Hayward, CA 94545-4383
Mailing address
2415 San Ramon Valley Blvd Ste 4
Unit 199
San Ramon, CA 94583-1651
Phone (440) 623-1313
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
| Enrollment ID | State | Provider type | PAC ID | Details |
|---|---|---|---|---|
| I20161116002699 | TX | Practitioner - Hospitalist | 9638368061 | Reassigns benefits to 4 organizations |
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.
- Credentials
- Doctor of Medicine
State licenses
| License | State | Type | Specialty |
|---|---|---|---|
| 267025 | NY | MD | Internal Medicine Physician |
Practice roles
| Organization | Specialty | Status | New patients |
|---|---|---|---|
| Houston in Patient Physician Associates PLLC | Current | Accepting new patients | |
| Ut Physicians | Current | Accepting new patients | |
| Baylor College of Medicine | Current | Accepting new patients | |
| Ut Physicians | Family Medicine | Current | Accepting new patients |
| Baylor College of Medicine | Family Medicine | Current | Accepting new patients |
| The Methodist Hospital | Past | Accepting new patients | |
| Jian Cui, Dermatology, P.C. | Past | Accepting new patients |
Locations
2 Greenway Plz
Ste 900
Houston, TX 77046
Phone (713) 798-1835
6410 Fannin St
Ste 500
Houston, TX 77030
Phone (713) 500-5714
7200 Cambridge St
Fl 1
Houston, TX 77030
Phone (713) 798-3924
4645 Sweetwater Blvd
Ste 200
Sugar Land, TX 77479
Phone (281) 565-1112
6565 Fannin St
Va Hospital, TX 77030
Phone (713) 394-6000
Organizations & group practices 8
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.
-
- Geriatric Medicine (Internal Medicine) Physician
- Sugar Land, TX
- NPI 1871892646
TX
-
- Internal Medicine Physician
- Houston, TX
- NPI 1770855710
TX
-
- Orthopaedic Surgery Physician
- Sugar Land, TX
- NPI 1700683844
-
- Health Educator
- Houston, TX
- NPI 1316534472
-
- Dermatology Physician
- Flushing, NY
- NPI 1063652311
-
- General Acute Care Hospital
- Houston, TX
- NPI 1548387418
NPI Registry JSON
The complete NPPES record for this NPI in the NPI Registry API format.
{
"created_epoch": "1217203200000",
"enumeration_type": "NPI-1",
"last_updated_epoch": "1783468800000",
"number": "1124283312",
"addresses": [
{
"country_code": "US",
"country_name": "United States",
"address_purpose": "MAILING",
"address_type": "DOM",
"address_1": "2415 SAN RAMON VALLEY BLVD STE 4",
"address_2": "UNIT 199",
"city": "SAN RAMON",
"state": "CA",
"postal_code": "945831651",
"telephone_number": "440-623-1313"
},
{
"country_code": "US",
"country_name": "United States",
"address_purpose": "LOCATION",
"address_type": "DOM",
"address_1": "27200 CALAROGA AVE",
"city": "HAYWARD",
"state": "CA",
"postal_code": "945454383",
"telephone_number": "510-264-4000"
}
],
"practiceLocations": [],
"basic": {
"last_name": "AHMED",
"first_name": "YAHYA",
"credential": "M.D.",
"sole_proprietor": "YES",
"sex": "M",
"enumeration_date": "2008-07-28",
"last_updated": "2026-07-08",
"certification_date": "2026-07-08",
"status": "A"
},
"taxonomies": [
{
"code": "207R00000X",
"taxonomy_group": "",
"desc": "Internal Medicine",
"state": "CA",
"license": "C162207",
"primary": true
}
],
"identifiers": [],
"endpoints": [],
"other_names": []
}
Other providers in Hayward, CA
Sources for this page
- NPPES NPI Registry (CMS): identity, addresses, specialties, licenses, identifiers and endpoints. Last updated by the provider on Jul 8, 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.