Active NPI
David Ereso Chayawatna, FNP-C
- Nurse Practitioner
- Camarillo, CA
On this page
Key facts
NPPES NPI Registry- Primary specialty
- Nurse Practitioner
- License
- 95011991
- Practice address
- 2620 Las Posas Rd
Camarillo, CA 93010-3400 - Phone
- (805) 383-2109
- NPI assigned
- Jun 29, 2019
- 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 |
|---|---|---|---|---|
| Nurse Practitioner | 363L00000X | 95011991 | CA | Primary |
Addresses
Primary practice location
2620 Las Posas Rd
Camarillo, CA 93010-3400
Mailing address
2620 Las Posas Rd
Camarillo, CA 93010-3400
Phone (805) 383-2109
Other practice location 1
2200 E Gonzales Rd
Oxnard, CA 93036-0619
Phone (805) 383-2109
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: No
Enrollment records 1
Care Compare profile
Medicare Care Compare- Specialty
- Nurse Practitioner
- Education
- Other, 2018
- Medicare assignment
- Accepts the Medicare-approved amount as payment in full
- Group practices
Practice addresses (Care Compare)
2200 E Gonzales Rd
Oxnard, CA 93036-0619
Phone (805) 988-8100
2620 Las Posas Rd
Camarillo, CA 93010-3400
Phone (805) 383-2100
888 S Hill Rd
Ventura, CA 93003-8400
Phone (805) 477-6400
National Provider Directory
National Provider Directory- Medicare enrollment (NPD)
- Enrolled
- Credentials
- Nurse Practitioner
State licenses
| License | State | Type | Specialty |
|---|---|---|---|
| 95011991 | CA | MD | Nurse Practitioner |
Practice roles
| Organization | Specialty | Status | New patients |
|---|---|---|---|
| Southern California Permanente Medical Group | Current | Accepting new patients | |
| SC Medical, Inc. | Current | Accepting new patients | |
| Southern California Permanente Medical Group | Current | Accepting new patients | |
| Southern California Permanente Medical Group | Current | Accepting new patients | |
| SC Medical, Inc. | Current | Accepting new patients |
Locations
2620 Las Posas Rd
Camarillo, CA 93010
Phone (805) 383-2100
2200 E Gonzales Rd
Oxnard, CA 93036
Phone (805) 604-6060
393 E Walnut St
Fl 3
Pasadena, CA 91188
Phone (626) 405-7914
19042 Soledad Canyon Rd
Santa Clarita, CA 91351
Phone (661) 251-6300
27550 Newhall Ranch Rd
Ste 203
Valencia, CA 91355
Phone (661) 251-6300
888 S Hill Rd
Ventura, CA 93003
Phone (805) 477-6400
5601 De Soto Ave
Woodland Hls, CA 91367
Phone (818) 719-2000
Organizations & group practices 5
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.
-
- Health Maintenance Organization
- Baldwin Park, CA
- NPI 1770515280
-
- Urgent Care Clinic/Center
- Santa Clarita, CA
- NPI 1992078000
-
- Urgent Care Clinic/Center
- Valencia, CA
- NPI 1346834694
-
- Health Maintenance Organization
- Oxnard, CA
- NPI 1275756652
-
- Health Maintenance Organization
- Santa Clarita, CA
- NPI 1316409410
NPI Registry JSON
The complete NPPES record for this NPI in the NPI Registry API format.
{
"created_epoch": "1561766400000",
"enumeration_type": "NPI-1",
"last_updated_epoch": "1777248000000",
"number": "1457913485",
"addresses": [
{
"country_code": "US",
"country_name": "United States",
"address_purpose": "MAILING",
"address_type": "DOM",
"address_1": "2620 LAS POSAS RD",
"city": "CAMARILLO",
"state": "CA",
"postal_code": "930103400",
"telephone_number": "805-383-2109"
},
{
"country_code": "US",
"country_name": "United States",
"address_purpose": "LOCATION",
"address_type": "DOM",
"address_1": "2620 LAS POSAS RD",
"city": "CAMARILLO",
"state": "CA",
"postal_code": "930103400",
"telephone_number": "805-383-2109"
}
],
"practiceLocations": [
{
"address_1": "2200 E Gonzales Rd",
"address_purpose": "LOCATION",
"city": "Oxnard",
"state": "CA",
"postal_code": "930360619",
"country_code": "US",
"telephone_number": "805-383-2109",
"country_name": "United States",
"address_type": "DOM"
}
],
"basic": {
"last_name": "CHAYAWATNA",
"first_name": "DAVID",
"middle_name": "ERESO",
"credential": "FNP-C",
"sole_proprietor": "NO",
"sex": "M",
"enumeration_date": "2019-06-29",
"last_updated": "2026-04-27",
"certification_date": "2026-04-27",
"status": "A"
},
"taxonomies": [
{
"code": "363L00000X",
"taxonomy_group": "",
"desc": "Nurse Practitioner",
"state": "CA",
"license": "95011991",
"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": "5601 De Soto Ave",
"city": "Woodland Hills",
"state": "CA",
"country_code": "US",
"postal_code": "913676701",
"country_name": "United States",
"address_type": "DOM"
}
],
"other_names": []
}
Other providers in Camarillo, CA
Sources for this page
- NPPES NPI Registry (CMS): identity, addresses, specialties, licenses, identifiers and endpoints. Last updated by the provider on Apr 27, 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.