Active NPI
David Guzman, M.D.
- Internal Medicine Physician
- Los Angeles, CA
On this page
Key facts
NPPES NPI Registry- Primary specialty
- Internal Medicine Physician
- License
- C151747
- Practice address
- 6041 Cadillac Ave
Los Angeles, CA 90034-1702 - Phone
- (323) 857-2000
- NPI assigned
- Oct 11, 2005
- Last updated
- Sep 15, 2025
- 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 |
|---|---|---|---|---|
| Internal Medicine Physician | 207R00000X | C151747 | CA | Primary |
Addresses
Primary practice location
6041 Cadillac Ave
Los Angeles, CA 90034-1702
Mailing address
550 Deep Valley Dr Ste 317
Rolling Hills Estates, CA 90274-7604
Phone (310) 265-1623
Other practice location 1
550 Deep Valley Dr Ste 317
Rolling Hills Estates, CA 90274-7604
Phone (310) 265-1623
Electronic endpoints 1
| Type | Endpoint | Use | Affiliation |
|---|---|---|---|
| SOAP URL | https://careepicwest.kp.org:14430/Interconnect-prodcalgateway/wcf/epic.community.hie/xcpdrespondinggatewaysync.svc/scalceq | Health Information Exchange (HIE) | Southern California 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
National Provider Directory
National Provider Directory- Medicare enrollment (NPD)
- Enrolled
- Credentials
- Doctor of Medicine
State licenses
| License | State | Type | Specialty |
|---|---|---|---|
| C151747 | CA | MD | Internal Medicine Physician |
Practice roles
| Organization | Specialty | Status | New patients |
|---|---|---|---|
| Southern California Permanente Medical Group | Current | Accepting new patients | |
| Southern California Permanente Medical Group | Current | Accepting new patients | |
| Healthcare Partners Affiliates Medical Group | Internal Medicine | Current | Accepting new patients |
| Healthcare Partners Affiliates Medical Group | Current | Accepting new patients | |
| Southern California Permanente Medical Group | Current | Accepting new patients | |
| Healthcare Partners Affiliates Medical Group | Current | Accepting new patients | |
| Tenet-Solantic Joint Venture LLC | Past | Accepting new patients | |
| Urgent Care NW Gresham PC | Past | Accepting new patients | |
| Medexpress Urgent Care of West Boca Raton LLC | Past | Accepting new patients | |
| Bethesda/Solantic Joint Venture, LLC | Past | Accepting new patients | |
| Inphynet South Broward LLC | Past | Accepting new patients |
Locations
1236 N Magnolia Ave
Anaheim, CA 92801
Phone (714) 995-1000
5957 W Ramsey St
Banning, CA 92220
Phone (951) 845-8864
824 E Carson St
Ste 104
Carson, CA 90745
Phone (310) 830-9706
1120 W Washington Blvd
Los Angeles, CA 90015
Phone (213) 623-2225
6041 Cadillac Ave
Los Angeles, CA 90034
Phone (323) 857-2000
393 E Walnut St
Fl 3
Pasadena, CA 91188
Phone (626) 405-7914
1700 N Waterman Ave
Sn Bernrdno, CA 92404
Phone (909) 883-8611
Networks
- BSC 65 PLUS INDIVIDUAL MAPD
Organizations & group practices 11
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.
-
dba Optum
- Internal Medicine Physician
- Los Angeles, CA
- NPI 1659312593
-
- Health Maintenance Organization
- Baldwin Park, CA
- NPI 1770515280
-
dba Optum
- Durable Medical Equipment & Medical Supplies
- Murrieta, CA
- NPI 1760057269
-
dba Optum
- Addiction Medicine (Internal Medicine) Physician
- Tustin, CA
- NPI 1891981502
-
- Health Maintenance Organization
- Los Angeles, CA
- NPI 1043242563
-
- Health Maintenance Organization
- Santa Clarita, CA
- NPI 1316409410
-
- Urgent Care Clinic/Center
- Boynton Beach, FL
- NPI 1730329038
-
- Emergency Medicine Physician
- Hollywood, FL
- NPI 1871521880
-
- Urgent Care Clinic/Center
- Boca Raton, FL
- NPI 1477716108
-
- Urgent Care Clinic/Center
- West Palm Beach, FL
- NPI 1104159755
-
dba Gresham Urgent Care
- Urgent Care Clinic/Center
- Gresham, OR
- NPI 1336128321
NPI Registry JSON
The complete NPPES record for this NPI in the NPI Registry API format.
{
"created_epoch": "1128988800000",
"enumeration_type": "NPI-1",
"last_updated_epoch": "1757894400000",
"number": "1275521494",
"addresses": [
{
"country_code": "US",
"country_name": "United States",
"address_purpose": "MAILING",
"address_type": "DOM",
"address_1": "550 DEEP VALLEY DR STE 317",
"city": "ROLLING HILLS ESTATES",
"state": "CA",
"postal_code": "902747604",
"telephone_number": "310-265-1623",
"fax_number": "310-265-1753"
},
{
"country_code": "US",
"country_name": "United States",
"address_purpose": "LOCATION",
"address_type": "DOM",
"address_1": "6041 CADILLAC AVE",
"city": "LOS ANGELES",
"state": "CA",
"postal_code": "900341702",
"telephone_number": "323-857-2000"
}
],
"practiceLocations": [
{
"address_1": "550 Deep Valley Dr Ste 317",
"address_purpose": "LOCATION",
"city": "Rolling Hills Estates",
"state": "CA",
"postal_code": "902747604",
"country_code": "US",
"telephone_number": "310-265-1623",
"fax_number": "310-265-1753",
"country_name": "United States",
"address_type": "DOM"
}
],
"basic": {
"last_name": "GUZMAN",
"first_name": "DAVID",
"name_prefix": "Dr.",
"credential": "M.D.",
"sole_proprietor": "NO",
"sex": "M",
"enumeration_date": "2005-10-11",
"last_updated": "2025-09-15",
"certification_date": "2025-09-15",
"status": "A"
},
"taxonomies": [
{
"code": "207R00000X",
"taxonomy_group": "",
"desc": "Internal Medicine",
"state": "CA",
"license": "C151747",
"primary": true
}
],
"identifiers": [],
"endpoints": [
{
"endpointType": "SOAP",
"endpointTypeDescription": "SOAP URL",
"endpoint": "https://careepicwest.kp.org:14430/Interconnect-prodcalgateway/wcf/epic.community.hie/xcpdrespondinggatewaysync.svc/scalceq",
"affiliation": "Y",
"endpointDescription": "Carequality",
"affiliationName": "Southern California Permanente Medical Group",
"use": "HIE",
"useDescription": "Health Information Exchange (HIE)",
"contentType": "OTHER",
"contentTypeDescription": "Other",
"contentOtherDescription": "C-CDA",
"address_1": "6041 Cadillac Ave",
"city": "Los Angeles",
"state": "CA",
"country_code": "US",
"postal_code": "900341702",
"country_name": "United States",
"address_type": "DOM"
}
],
"other_names": []
}
Other providers in Los Angeles, CA
Sources for this page
- NPPES NPI Registry (CMS): identity, addresses, specialties, licenses, identifiers and endpoints. Last updated by the provider on Sep 15, 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.