Active NPI
Adam Emmanuel Sierra, MD
- Diagnostic Radiology Physician
- El Paso, TX
On this page
Key facts
NPPES NPI Registry- Primary specialty
- Diagnostic Radiology Physician
- License
- S8655
- Practice address
- 6065 Montana Ave Ste A6
El Paso, TX 79925-1837 - Phone
- (915) 881-1900
- Fax
- (706) 596-6723
- NPI assigned
- Apr 24, 2018
- Last updated
- Mar 18, 2026
- Sex
- Male
- Sole proprietor
- No
NPPES NPI Registry
Registry information is reported by the provider to CMS and is not verified. About this source
Specialties & licenses 2
| Specialty (taxonomy) | Code | License | State | Primary |
|---|---|---|---|---|
| Diagnostic Radiology Physician | 2085R0202X | S8655 | TX | Primary |
| Diagnostic Radiology Physician | 2085R0202X | A184512 | CA |
Addresses
Primary practice location
6065 Montana Ave Ste A6
El Paso, TX 79925-1837
Mailing address
PO Box 75172
Chicago, IL 60675-5172
Phone (800) 475-3698
Other practice location 1
1426 George Dieter Dr
El Paso, TX 79936-7601
Phone (915) 881-1900
Other practice location 2
4815 Alameda Ave
El Paso, TX 79905-2705
Phone (915) 215-6000
Other practice location 3
757 Westwood Plz
Los Angeles, CA 90095-4402
Phone (310) 301-6800
Other practice location 4
7703 Floyd Curl Dr
San Antonio, TX 78229-3901
Phone (210) 567-7000
Other practice location 5
4502 Medical Dr
San Antonio, TX 78229-4402
Phone (210) 358-3555
Other practice location 6
181 Village Ct Ste A1
El Paso, TX 79922-1082
Phone (915) 881-1900
Other practice location 7
3100 N Lee Trevino Dr Ste B
El Paso, TX 79936-2116
Phone (915) 533-7465
Other practice location 8
27235 Tourney Rd Ste 1500
Valencia, CA 91355-5905
Phone (310) 301-6800
Medicare participation
Medicare enrollment files- Medicare fee-for-service enrollment
- Enrolled in CA, TX
- Eligible to order & refer
- Part B services: Yes
- Medical equipment: Yes
- Home health: Yes
- Power mobility devices: Yes
- Hospice: Yes
Enrollment records 2
Care Compare profile
Medicare Care Compare- Specialty
- Diagnostic Radiology
- Education
- University of Texas Medical Branch at Galveston, 2018
- Medicare assignment
- Accepts the Medicare-approved amount as payment in full
- Group practices
Practice addresses (Care Compare)
1031 S Fairmont Ave
Lodi, CA 95240-5112
Phone (209) 334-8580
122 W Castellano Dr
El Paso, TX 79912-6170
Phone (915) 577-0100
320 Barbaree Dr
El Paso, TX 79912-4832
Phone (209) 647-2184
500 W Hospital Rd
French Camp, CA 95231-9693
Phone (209) 468-6000
6065 Montana Ave
Suite A6
El Paso, TX 79925-1837
Phone (915) 881-1900
729 Pauline Court
Sonora, CA 95370
Phone (209) 588-8068
975 S Fairmont Ave
Lodi, CA 95240-5118
Phone (209) 334-3411
Hospital & facility affiliations
- Sutter Tracy Community Hospital
- San Joaquin General Hospital
- Watsonville Community Hospital
- Adventist Health Lodi Memorial
- Memorial Hospital Los Banos
Merit-based Incentive Payment System (MIPS)
- Final score
- 89.14 of 100
- Quality
- 78.29
- Improvement activities
- 40
Merit-based Incentive Payment System (MIPS)
- Final score
- 93.78 of 100
- Quality
- 80.38
- Promoting interoperability
- 100
- Improvement activities
- 40
Merit-based Incentive Payment System (MIPS)
- Final score
- 81.13 of 100
- Quality
- 62.91
- Promoting interoperability
- 100
- Improvement activities
- 40
- Cost
- 68.15
National Provider Directory
National Provider Directory- Medicare enrollment (NPD)
- Enrolled
- Credentials
- Doctor of Medicine
State licenses
| License | State | Type | Specialty |
|---|---|---|---|
| A184512 | CA | MD | Diagnostic Radiology Physician |
Practice roles
| Organization | Specialty | Status | New patients |
|---|---|---|---|
| Adventist Health Physicians Network | Current | Accepting new patients | |
| Adventist Health Physicians Network | Current | Accepting new patients | |
| San Joaquin Faculty Medical Group | Current | Accepting new patients | |
| Southwestern Ultrasound Inc. | Current | Accepting new patients | |
| Central Valley Imaging Medical Associates, Inc | Diagnostic Radiology | Current | Accepting new patients |
| Martin Luther King Jr Community Medical Foundation | Current | Accepting new patients | |
| Lodi Memorial Hospital Association Inc | Current | Accepting new patients | |
| Diagnostic Outpatient Imaging Partnership LTD | Diagnostic Radiology | Current | Accepting new patients |
| County of Santa Clara | Current | Accepting new patients | |
| Martin Luther King Jr Community Medical Foundation | Current | Accepting new patients | |
| Adventist Health Physicians Network | Current | Accepting new patients | |
| Martin Luther King Jr Community Medical Foundation | Current | Accepting new patients | |
| Pleasanton Diagnostic Imaging, Inc. | Diagnostic Radiology | Current | Accepting new patients |
| County of San Joaquin | Current | Accepting new patients | |
| County of Santa Clara | Current | Accepting new patients | |
| County of San Joaquin | Current | Accepting new patients | |
| Lodi Memorial Hospital Association, Inc | Current | Accepting new patients | |
| Delta Radiology, Inc. | Current | Accepting new patients | |
| County of Santa Clara | Current | Accepting new patients | |
| Memorial MRI and Diagnostic LLC | Diagnostic Radiology | Current | Accepting new patients |
| Pleasanton Diagnostic Imaging, Inc. | Diagnostic Radiology | Current | Accepting new patients |
| Citizens Medical Center County of Victoria | Past | Accepting new patients | |
| Delta Sierra Medical Group, Inc | Past | Accepting new patients | |
| Regents Univ of Calif Los Angeles | Past | Accepting new patients |
Locations (25 of 28)
2215 W Rosecrans Ave
Ste 22
Compton, CA 90222
Phone (424) 529-6755
500 W Hospital Rd
French Camp, CA 95231
Phone (209) 468-6000
7475 Camino Arroyo
Gilroy, CA 95020
Phone (408) 852-2400
27200 Calaroga Ave
Hayward, CA 94545
Phone (510) 264-2000
975 S Fairmont Ave
Lodi, CA 95240
Phone (209) 339-7575
520 W I St
Los Banos, CA 93635
Phone (209) 724-0316
1401 Spanos Ct
Ste 127
Modesto, CA 95355
Phone (209) 525-3835
1700 Coffee Rd
Modesto, CA 95355
Phone (209) 526-4500
1993 McKee Rd
San Jose, CA 95116
Phone (408) 254-6320
500 Tully Rd
San Jose, CA 95111
Phone (408) 817-1433
750 S Bascom Ave
San Jose, CA 95128
Phone (408) 885-2320
751 S Bascom Ave
San Jose, CA 95128
Phone (408) 885-5110
660 S Fair Oaks Ave
Sunnyvale, CA 94086
Phone (408) 885-7366
1420 N Tracy Blvd
Tracy, CA 95376
Phone (209) 832-6018
75 Nielson St
Watsonville, CA 95076
Phone (831) 724-4741
6491 Southwest Blvd
Benbrook, TX 76132
Phone (214) 341-8770
3502 Spid Dr
Corpus Christi, TX 78415
Phone (361) 854-4400
122 W Castellano Dr
El Paso, TX 79912
Phone 91557701002500
1426 George Dieter Dr
El Paso, TX 79936
1727 N Lee Trevino Dr
El Paso, TX 79936
Phone (915) 225-0366
181 Village Ct
Ste A1
El Paso, TX 79922
3080 Joe Battle Blvd
Ste B
El Paso, TX 79938
Phone (915) 313-7325
3100 N Lee Trevino Dr
Ste B
El Paso, TX 79936
Phone (915) 843-4776
6065 Montana Ave
Ste A6
El Paso, TX 79925
7812 Gateway Blvd E
Ste 120
El Paso, TX 79915
Phone (502) 533-3854
Organizations & group practices 25
Organizations this provider is connected to: Medicare benefit reassignments (the organization bills Medicare for this provider’s services), Care Compare group memberships, National Provider Directory roles and organizations whose NPPES authorized official is this provider.
-
- Diagnostic Radiology Physician
- El Paso, TX
- NPI 1326082603
-
- Diagnostic Radiology Physician
- Houston, TX
- NPI 1912989120
-
dba Desert Imaging Services, LP
- Radiology Clinic/Center
- El Paso, TX
- NPI 1225137078
-
- Multi-Specialty Clinic/Center
- Hanford, CA
- NPI 1063718583
-
- Diagnostic Radiology Physician
- Manteca, CA
- NPI 1275523169
TX
-
dba San Joaquin General Hospital
- General Acute Care Hospital
- French Camp, CA
- NPI 1801830583
-
dba Lodi Memorial Community Clinic - Iris
- Primary Care Clinic/Center
- Lodi, CA
- NPI 1861649352
-
dba Josefina Narvaez Mental Health Center MH Aoa
- Mental Health Clinic/Center (Including Community Mental Health Center)
- San Jose, CA
- NPI 1699885079
-
dba Martin Lurher King Jr. Community Medical Group
- Multi-Specialty Clinic/Center
- Los Angeles, CA
- NPI 1356899777
-
- Internal Medicine Physician
- French Camp, CA
- NPI 1225063761
-
- Internal Medicine Physician
- El Paso, TX
- NPI 1598705055
Hospital & facility affiliations 5
Hospitals and other facilities this clinician is affiliated with according to Medicare Care Compare.
-
dba San Joaquin General Hospital
- General Acute Care Hospital
- French Camp, CA
- NPI 1992870430
-
dba Lodi Memorial Hospital
- General Acute Care Hospital
- Lodi, CA
- NPI 1316938301
-
dba Watsonville Community Hospital
- General Acute Care Hospital
- Watsonville, CA
- NPI 1619607488
-
dba Memorial Hospital Los Banos
- General Acute Care Hospital
- Los Banos, CA
- NPI 1366896300
-
dba Sutter Tracy Community Hospital
- General Acute Care Hospital
- Tracy, CA
- NPI 1821442864
NPI Registry JSON
The complete NPPES record for this NPI in the NPI Registry API format.
{
"created_epoch": "1524528000000",
"enumeration_type": "NPI-1",
"last_updated_epoch": "1773792000000",
"number": "1780172825",
"addresses": [
{
"country_code": "US",
"country_name": "United States",
"address_purpose": "MAILING",
"address_type": "DOM",
"address_1": "PO BOX 75172",
"city": "CHICAGO",
"state": "IL",
"postal_code": "606755172",
"telephone_number": "800-475-3698",
"fax_number": "706-596-6723"
},
{
"country_code": "US",
"country_name": "United States",
"address_purpose": "LOCATION",
"address_type": "DOM",
"address_1": "6065 MONTANA AVE STE A6",
"city": "EL PASO",
"state": "TX",
"postal_code": "799251837",
"telephone_number": "915-881-1900",
"fax_number": "706-596-6723"
}
],
"practiceLocations": [
{
"address_1": "1426 George Dieter Dr",
"address_purpose": "LOCATION",
"city": "El Paso",
"state": "TX",
"postal_code": "799367601",
"country_code": "US",
"telephone_number": "915-881-1900",
"fax_number": "706-596-6723",
"country_name": "United States",
"address_type": "DOM"
},
{
"address_1": "4815 Alameda Ave",
"address_purpose": "LOCATION",
"city": "El Paso",
"state": "TX",
"postal_code": "799052705",
"country_code": "US",
"telephone_number": "915-215-6000",
"fax_number": "915-545-6607",
"country_name": "United States",
"address_type": "DOM"
},
{
"address_1": "757 Westwood Plz",
"address_purpose": "LOCATION",
"city": "Los Angeles",
"state": "CA",
"postal_code": "900954402",
"country_code": "US",
"telephone_number": "310-301-6800",
"country_name": "United States",
"address_type": "DOM"
},
{
"address_1": "7703 Floyd Curl Dr",
"address_purpose": "LOCATION",
"city": "San Antonio",
"state": "TX",
"postal_code": "782293901",
"country_code": "US",
"telephone_number": "210-567-7000",
"country_name": "United States",
"address_type": "DOM"
},
{
"address_1": "4502 Medical Dr",
"address_purpose": "LOCATION",
"city": "San Antonio",
"state": "TX",
"postal_code": "782294402",
"country_code": "US",
"telephone_number": "210-358-3555",
"fax_number": "210-702-4239",
"country_name": "United States",
"address_type": "DOM"
},
{
"address_1": "181 Village Ct Ste A1",
"address_purpose": "LOCATION",
"city": "El Paso",
"state": "TX",
"postal_code": "799221082",
"country_code": "US",
"telephone_number": "915-881-1900",
"fax_number": "706-596-6723",
"country_name": "United States",
"address_type": "DOM"
},
{
"address_1": "3100 N Lee Trevino Dr Ste B",
"address_purpose": "LOCATION",
"city": "El Paso",
"state": "TX",
"postal_code": "799362116",
"country_code": "US",
"telephone_number": "915-533-7465",
"fax_number": "706-596-6723",
"country_name": "United States",
"address_type": "DOM"
},
{
"address_1": "27235 Tourney Rd Ste 1500",
"address_purpose": "LOCATION",
"city": "Valencia",
"state": "CA",
"postal_code": "913555905",
"country_code": "US",
"telephone_number": "310-301-6800",
"country_name": "United States",
"address_type": "DOM"
}
],
"basic": {
"last_name": "SIERRA",
"first_name": "ADAM",
"middle_name": "EMMANUEL",
"credential": "MD",
"sole_proprietor": "NO",
"sex": "M",
"enumeration_date": "2018-04-24",
"last_updated": "2026-03-18",
"certification_date": "2026-03-18",
"status": "A"
},
"taxonomies": [
{
"code": "2085R0202X",
"taxonomy_group": "",
"desc": "Radiology, Diagnostic Radiology",
"state": "TX",
"license": "S8655",
"primary": true
},
{
"code": "2085R0202X",
"taxonomy_group": "",
"desc": "Radiology, Diagnostic Radiology",
"state": "CA",
"license": "A184512",
"primary": false
}
],
"identifiers": [],
"endpoints": [],
"other_names": []
}
Other providers in El Paso, TX
Sources for this page
- NPPES NPI Registry (CMS): identity, addresses, specialties, licenses, identifiers and endpoints. Last updated by the provider on Mar 18, 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.
- 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.