Active NPI
Alan Bruce Douglass, M.D.
- Endocrinology, Diabetes & Metabolism Physician
- San Diego, CA
On this page
Key facts
NPPES NPI Registry- Primary specialty
- Endocrinology, Diabetes & Metabolism Physician
- License
- G75547
- Practice address
- 34800 Bob Wilson Dr
San Diego, CA 92134-1098 - Phone
- (619) 532-7375
- Fax
- (619) 532-5472
- NPI assigned
- Feb 3, 2006
- 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 1
| Specialty (taxonomy) | Code | License | State | Primary |
|---|---|---|---|---|
| Endocrinology, Diabetes & Metabolism Physician | 207RE0101X | G75547 | CA | Primary |
Addresses
Primary practice location
34800 Bob Wilson Dr
San Diego, CA 92134-1098
Mailing address
625 W. Citracado Parkway
Suite 108
Escondido, CA 92025
Phone (760) 743-1431
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
National Provider Directory
National Provider Directory- Medicare enrollment (NPD)
- Enrolled
- Credentials
- Doctor of Medicine
Practice roles
| Organization | Specialty | Status | New patients |
|---|---|---|---|
| North County Endocrine Medical Group | Current | Accepting new patients | |
| Chris K Guerin | Endocrinology, Diabetes & Metabolism | Current | Accepting new patients |
| Tri-City Hospital | Past | Accepting new patients |
Locations
625 Citracado Pkwy
Escondido, CA 92025
Phone (760) 294-9270
625 Citracado Pkwy
Ste 1
Escondido, CA 92025
625 Citracado Pkwy
Ste 108
Escondido, CA 92025
Phone (760) 743-1431
3927 Waring Rd
Ste C
Oceanside, CA 92056
Phone (619) 703-7220
28441 Rancho California Rd
Ste 104
Temecula, CA 92590
Phone (760) 743-1431
Organizations & group practices 3
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.
-
- Specialist
- Escondido, CA
- NPI 1013068105
-
- Endocrinology, Diabetes & Metabolism Physician
- Oceanside, CA
- NPI 1508206707
-
- General Acute Care Hospital
- Oceanside, CA
- NPI 1801861190
NPI Registry JSON
The complete NPPES record for this NPI in the NPI Registry API format.
{
"created_epoch": "1138924800000",
"enumeration_type": "NPI-1",
"last_updated_epoch": "1746748800000",
"number": "1811969991",
"addresses": [
{
"country_code": "US",
"country_name": "United States",
"address_purpose": "MAILING",
"address_type": "DOM",
"address_1": "625 W. CITRACADO PARKWAY",
"address_2": "SUITE 108",
"city": "ESCONDIDO",
"state": "CA",
"postal_code": "92025",
"telephone_number": "760-743-1431",
"fax_number": "760-743-6455"
},
{
"country_code": "US",
"country_name": "United States",
"address_purpose": "LOCATION",
"address_type": "DOM",
"address_1": "34800 BOB WILSON DR",
"city": "SAN DIEGO",
"state": "CA",
"postal_code": "921341098",
"telephone_number": "619-532-7375",
"fax_number": "619-532-5472"
}
],
"practiceLocations": [],
"basic": {
"last_name": "DOUGLASS",
"first_name": "ALAN",
"middle_name": "BRUCE",
"name_prefix": "Dr.",
"credential": "M.D.",
"sole_proprietor": "NO",
"sex": "M",
"enumeration_date": "2006-02-03",
"last_updated": "2025-05-09",
"certification_date": "2025-05-09",
"status": "A"
},
"taxonomies": [
{
"code": "207RE0101X",
"taxonomy_group": "",
"desc": "Internal Medicine, Endocrinology, Diabetes & Metabolism",
"state": "CA",
"license": "G75547",
"primary": true
}
],
"identifiers": [],
"endpoints": [],
"other_names": []
}
Other providers in San Diego, CA
Sources for this page
- NPPES NPI Registry (CMS): identity, addresses, specialties, licenses, identifiers and endpoints. Last updated by the provider on May 9, 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.
- National Provider Directory (CMS): practice roles, locations, licenses, networks and endpoints.