Active NPI
Than Nguyen, D.O.
- Internal Medicine Physician
- Berkeley, CA
On this page
Key facts
NPPES NPI Registry- Primary specialty
- Internal Medicine Physician
- License
- L2226995
- Practice address
- 2850 Telegraph Ave Ste 130
Berkeley, CA 94705-1159 - Phone
- (510) 204-8120
- Fax
- (510) 506-7721
- NPI assigned
- May 24, 2012
- 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 2
| Specialty (taxonomy) | Code | License | State | Primary |
|---|---|---|---|---|
| Gastroenterology Physician | 207RG0100X | 20A15824 | CA | |
| Internal Medicine Physician | 207R00000X | L2226995 | MI | Primary |
Addresses
Primary practice location
2850 Telegraph Ave Ste 130
Berkeley, CA 94705-1159
Mailing address
28050 Grand River Ave
Farmington Hills, MI 48336-5919
Other practice location 1
28050 Grand River Ave
Farmington Hills, MI 48336-5919
Phone (248) 471-8224
Electronic endpoints 1
| Type | Endpoint | Use | Affiliation |
|---|---|---|---|
| SOAP URL | https://careepicwest.kp.org:14430/Interconnect-prodcalgateway/wcf/epic.community.hie/xcpdrespondinggatewaysync.svc/ncalceq | Health Information Exchange (HIE) | The Permanente Medical Group |
Medicare participation
Medicare enrollment files- Medicare fee-for-service enrollment
- Enrolled in CA
- 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
- Internal Medicine
- Education
- Lake Erie College of Osteopathic Medicine, Erie, 2012
- Medicare assignment
- Accepts the Medicare-approved amount as payment in full
- Telehealth
- Offers telehealth services
- Group practices
Practice addresses (Care Compare)
20101 Lake Chabot Rd
Castro Valley, CA 94546-5305
Phone (510) 886-3400
20103 Lake Chabot Rd
Castro Valley, CA 94546-5305
Phone (510) 727-3256
2450 Ashby Ave
Berkeley, CA 94705-2067
Phone (510) 204-4444
2850 Telegraph Ave
Berkeley, CA 94705-1159
3200 Kearney St
Fremont, CA 94538-2299
Phone (510) 490-1222
350 Hawthorne Ave
Oakland, CA 94609-3108
Phone (510) 655-4000
Hospital & facility affiliations
- Alta Bates Summit Medical Center - Alta Bates Camp
- Alta Bates Summit Medical Center
- Eden Medical Center
Procedures performed for Medicare patients
| Procedure | Number of procedures |
|---|---|
| Colonoscopy | 31 |
| Upper gastrointestinal (GI) endoscopy for acid reflux | 61 |
National Provider Directory
National Provider Directory- Medicare enrollment (NPD)
- Enrolled
- Credentials
- Doctor of Osteopathy
State licenses
| License | State | Type | Specialty |
|---|---|---|---|
| 15824 | CA | MD | Professional Counselor |
| L2226995 | MI | MD | Internal Medicine Physician |
| 20A15824 | CA | MD | Gastroenterology Physician |
Practice roles
| Organization | Specialty | Status | New patients |
|---|---|---|---|
| Permanente Medical Group, Inc | Current | Accepting new patients | |
| Sutter Bay Medical Foundation | Current | Accepting new patients | |
| Permanente Medical Group Inc | Internal Medicine | Current | Accepting new patients |
| Sutter Bay Medical Foundation | Current | Accepting new patients | |
| Permanente Medical Group Inc | Internal Medicine | Current | Accepting new patients |
| Sutter East Bay Medical Foundation | Past | Accepting new patients | |
| Sutter East Bay Medical Foundation | Internal Medicine | Past | Accepting new patients |
Locations (25 of 33)
18400 US Highway 18
Apple Valley, CA 92307
Phone (760) 810-7590
750 Auburn Ravine Rd
Auburn, CA 95603
Phone (530) 823-6131
2850 Telegraph Ave
Ste 130
Berkeley, CA 94705
Phone (510) 204-8110
350 John Muir Pkwy
Ste 160
Brentwood, CA 94513
Phone (925) 204-1920
1950 University Ave
Ste 160
East Palo Alto, CA 94303
Phone (650) 317-8100
3200 Kearney St
Fremont, CA 94538
Phone (510) 498-2800
4753 W Shaw Ave
Ste 101
Fresno, CA 93722
Phone (559) 277-8738
1189 E Herndon Ave
Ste 103
Fresno, CA 93720
Phone (559) 450-7777
900 N Douty St
Hanford, CA 93230
Phone (559) 587-9014
370 Distel Cir
Los Altos, CA 94022
Phone (650) 254-5200
600 Coffee Rd
Modesto, CA 95355
Phone (209) 550-4755
101 Rowland Way
Ste 220
Novato, CA 94945
Phone (415) 878-7200
12 Camino Encinas
Fl 1
Orinda, CA 94563
Phone (510) 410-3524
795 El Camino Real
Palo Alto, CA 94301
Phone (650) 324-1832
101 Monroe St
Petaluma, CA 94954
Phone (707) 763-4109
1555 East St
Ste 200
Redding, CA 96001
Phone (530) 229-0911
1150 Veterans Blvd
Redwood City, CA 94063
Phone (650) 299-2015
901 Nevin Ave
Richmond, CA 94801
Phone (510) 307-1500
930 W Main St
Ripon, CA 95366
Phone (209) 599-4221
151 N Sunrise Ave
Ste 1205
Roseville, CA 95661
Phone (916) 789-1505
501 J St
Sacramento, CA 95814
Phone (916) 497-3000
3838 California St
Rm 410
San Francisco, CA 94118
Phone (415) 751-1847
2200 Ofarrell St
San Francisco, CA 94115
Phone (415) 202-2000
123 S San Mateo Dr
San Mateo, CA 94401
Phone (650) 343-4200
710 Lawrence Expy
Santa Clara, CA 95051
Phone (408) 236-6400
Interoperability endpoints
- tnguyen735399@hisp.ehr.sutterhealth.org
Organizations & group practices 7
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.
-
- Multi-Specialty Clinic/Center
- Palo Alto, CA
- NPI 1013950807
-
- Internal Medicine Physician
- Santa Clara, CA
- NPI 1073606299
-
- Internal Medicine Physician
- Stockton, CA
- NPI 1548343510
-
- Clinical Medical Laboratory
- San Jose, CA
- NPI 1497971584
-
- Clinical Medical Laboratory
- Santa Clara, CA
- NPI 1669287033
-
- Clinical Medical Laboratory
- Berkeley, CA
- NPI 1831381623
-
- Family Medicine Physician
- Orinda, CA
- NPI 1871538769
Internal Medicine
Hospital & facility affiliations 3
Hospitals and other facilities this clinician is affiliated with according to Medicare Care Compare.
-
- General Acute Care Hospital
- Castro Valley, CA
- NPI 1063812907
-
- General Acute Care Hospital
- Oakland, CA
- NPI 1295181477
-
- General Acute Care Hospital
- Berkeley, CA
- NPI 1639523004
NPI Registry JSON
The complete NPPES record for this NPI in the NPI Registry API format.
{
"created_epoch": "1337817600000",
"enumeration_type": "NPI-1",
"last_updated_epoch": "1763596800000",
"number": "1316207236",
"addresses": [
{
"country_code": "US",
"country_name": "United States",
"address_purpose": "MAILING",
"address_type": "DOM",
"address_1": "28050 GRAND RIVER AVE",
"city": "FARMINGTON HILLS",
"state": "MI",
"postal_code": "483365919"
},
{
"country_code": "US",
"country_name": "United States",
"address_purpose": "LOCATION",
"address_type": "DOM",
"address_1": "2850 TELEGRAPH AVE STE 130",
"city": "BERKELEY",
"state": "CA",
"postal_code": "947051159",
"telephone_number": "510-204-8120",
"fax_number": "510-506-7721"
}
],
"practiceLocations": [
{
"address_1": "28050 Grand River Ave",
"address_purpose": "LOCATION",
"city": "Farmington Hills",
"state": "MI",
"postal_code": "483365919",
"country_code": "US",
"telephone_number": "248-471-8224",
"country_name": "United States",
"address_type": "DOM"
}
],
"basic": {
"last_name": "NGUYEN",
"first_name": "THAN",
"name_prefix": "Dr.",
"credential": "D.O.",
"sole_proprietor": "YES",
"sex": "M",
"enumeration_date": "2012-05-24",
"last_updated": "2025-11-20",
"certification_date": "2025-11-20",
"status": "A"
},
"taxonomies": [
{
"code": "207RG0100X",
"taxonomy_group": "",
"desc": "Internal Medicine, Gastroenterology",
"state": "CA",
"license": "20A15824",
"primary": false
},
{
"code": "207R00000X",
"taxonomy_group": "",
"desc": "Internal Medicine",
"state": "MI",
"license": "L2226995",
"primary": true
}
],
"identifiers": [],
"endpoints": [
{
"endpointType": "SOAP",
"endpointTypeDescription": "SOAP URL",
"endpoint": "https://careepicwest.kp.org:14430/Interconnect-prodcalgateway/wcf/epic.community.hie/xcpdrespondinggatewaysync.svc/ncalceq",
"affiliation": "Y",
"endpointDescription": "Carequality",
"affiliationName": "The Permanente Medical Group",
"use": "HIE",
"useDescription": "Health Information Exchange (HIE)",
"contentType": "OTHER",
"contentTypeDescription": "Other",
"contentOtherDescription": "C-CDA",
"address_1": "One Quality Drive",
"city": "Vacaville",
"state": "CA",
"country_code": "US",
"postal_code": "95688",
"country_name": "United States",
"address_type": "DOM"
}
],
"other_names": []
}
Other providers in Berkeley, CA
Sources for this page
- NPPES NPI Registry (CMS): identity, addresses, specialties, licenses, identifiers and endpoints. Last updated by the provider on Nov 20, 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.