Active NPI
Daniel Constandse, MD
- Adult Medicine Physician
- Tustin, CA
On this page
Key facts
NPPES NPI Registry- Primary specialty
- Adult Medicine Physician
- License
- A100929
- Practice address
- 661 W 1St St Ste G
Tustin, CA 92780-2939 - Phone
- (714) 665-9890
- Fax
- (714) 665-9891
- NPI assigned
- Aug 15, 2007
- Last updated
- Oct 22, 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 |
|---|---|---|---|---|
| Adult Medicine Physician | 207QA0505X | A100929 | CA | Primary |
Addresses
Primary practice location
661 W 1St St Ste G
Tustin, CA 92780-2939
Mailing address
661 W 1St St Ste G
Tustin, CA 92780-2939
Phone (714) 665-9890
Other practice location 1
11180 Warner Ave Ste 353
Fountain Valley, CA 92708-4098
Phone (714) 968-6789
Other practice location 2
9918 Katella Ave Ste A-C
Anaheim, CA 92804-6465
Phone (714) 644-9494
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
Care Compare profile
Medicare Care Compare- Specialty
- Family Practice
- Education
- Other, 2001
- Medicare assignment
- Accepts the Medicare-approved amount as payment in full
- Group practices
Practice addresses (Care Compare)
15446 S Western Ave
Gardena, CA 90249-4319
Phone (310) 217-5300
25821 Vermont Ave
Harbor City, CA 90710-3518
Phone (310) 325-5111
25825 Vermont Ave
Harbor City, CA 90710-3518
Phone (310) 325-5111
National Provider Directory
National Provider Directory- Medicare enrollment (NPD)
- Enrolled
- Credentials
- Doctor of Medicine
State licenses
| License | State | Type | Specialty |
|---|---|---|---|
| A100929 | CA | MD | Adult Medicine Physician |
Practice roles
| Organization | Specialty | Status | New patients |
|---|---|---|---|
| Families Together of Orange County | Current | Accepting new patients | |
| Southern California Permanente Medical Group | Current | Accepting new patients | |
| Southern California Permanente Medical Group | Current | Accepting new patients | |
| Southern California Permanente Medical Group | Current | Accepting new patients | |
| Families Together of Orange County | Current | Accepting new patients | |
| Families Together of Orange County | Past | Accepting new patients |
Locations
9918 Katella Ave
Ste 363
Anaheim, CA 92804
9918 Katella Ave
Ste A
Anaheim, CA 92804
Phone (949) 439-0006
9918 Katella Ave
Ste Ac
Anaheim, CA 92804
Phone (714) 644-9494
11180 Warner Ave
Ste 353
Fountain Vly, CA 92708
Phone (714) 751-3540
25825 Vermont Ave
Harbor City, CA 90710
Phone (310) 325-5111
393 E Walnut St
Unit 3RD
Pasadena, CA 91188
Phone (626) 405-7914
661 W 1st St
Tustin, CA 92780
Phone (714) 665-9890
661 W 1st St
Ste G
Tustin, CA 92780
Phone (714) 665-9890
661 W 1st St
Ste G1
Tustin, CA 92780
Networks
- BSC 65 PLUS INDIVIDUAL MAPD
Organizations & group practices 6
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.
-
- Health Maintenance Organization
- Baldwin Park, CA
- NPI 1770515280
-
- Clinic/Center
- Tustin, CA
- NPI 1194122457
-
- Federally Qualified Health Center (FQHC)
- Tustin, CA
- NPI 1861253080
-
- Health Maintenance Organization
- Santa Clarita, CA
- NPI 1316409410
-
- Health Maintenance Organization
- Harbor City, CA
- NPI 1598797011
-
- Federally Qualified Health Center (FQHC)
- Tustin, CA
- NPI 1114788239
NPI Registry JSON
The complete NPPES record for this NPI in the NPI Registry API format.
{
"created_epoch": "1187136000000",
"enumeration_type": "NPI-1",
"last_updated_epoch": "1761091200000",
"number": "1275725087",
"addresses": [
{
"country_code": "US",
"country_name": "United States",
"address_purpose": "MAILING",
"address_type": "DOM",
"address_1": "661 W 1ST ST STE G",
"city": "TUSTIN",
"state": "CA",
"postal_code": "927802939",
"telephone_number": "714-665-9890",
"fax_number": "714-665-9891"
},
{
"country_code": "US",
"country_name": "United States",
"address_purpose": "LOCATION",
"address_type": "DOM",
"address_1": "661 W 1ST ST STE G",
"city": "TUSTIN",
"state": "CA",
"postal_code": "927802939",
"telephone_number": "714-665-9890",
"fax_number": "714-665-9891"
}
],
"practiceLocations": [
{
"address_1": "11180 Warner Ave Ste 353",
"address_purpose": "LOCATION",
"city": "Fountain Valley",
"state": "CA",
"postal_code": "927084098",
"country_code": "US",
"telephone_number": "714-968-6789",
"fax_number": "714-202-2626",
"country_name": "United States",
"address_type": "DOM"
},
{
"address_1": "9918 Katella Ave Ste A-C",
"address_purpose": "LOCATION",
"city": "Anaheim",
"state": "CA",
"postal_code": "928046465",
"country_code": "US",
"telephone_number": "714-644-9494",
"fax_number": "714-644-9894",
"country_name": "United States",
"address_type": "DOM"
}
],
"basic": {
"last_name": "CONSTANDSE",
"first_name": "DANIEL",
"credential": "MD",
"sole_proprietor": "NO",
"sex": "M",
"enumeration_date": "2007-08-15",
"last_updated": "2025-10-22",
"certification_date": "2025-10-22",
"status": "A"
},
"taxonomies": [
{
"code": "207QA0505X",
"taxonomy_group": "",
"desc": "Family Medicine, Adult Medicine",
"state": "CA",
"license": "A100929",
"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": "25825 Vermont Ave",
"city": "Harbor City",
"state": "CA",
"country_code": "US",
"postal_code": "907103518",
"country_name": "United States",
"address_type": "DOM"
}
],
"other_names": []
}
Other providers in Tustin, CA
Sources for this page
- NPPES NPI Registry (CMS): identity, addresses, specialties, licenses, identifiers and endpoints. Last updated by the provider on Oct 22, 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.