Active NPI
Jason A Pierce, DO
- Diagnostic Radiology Physician
- San Diego, CA
On this page
Key facts
NPPES NPI Registry- Primary specialty
- Diagnostic Radiology Physician
- License
- 20A21092
- Practice address
- 28881 Airoso St Unit 110
Rancho Mission Viejo, CA 92694-2487 - Phone
- (949) 682-2600
- NPI assigned
- Apr 6, 2018
- 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 |
|---|---|---|---|---|
| Diagnostic Radiology Physician | 2085R0202X | 20A21092 | CA | Primary |
Addresses
Primary practice location
28881 Airoso St Unit 110
Rancho Mission Viejo, CA 92694-2487
Mailing address
PO Box 232410
San Diego, CA 92193-2410
Other practice location 1
4445 Magnolia Ave., GME Office
Riverside, CA 92501
Phone (951) 788-3000
Other practice location 2
200 W Arbor Dr
San Diego, CA 92103-9000
Phone (800) 926-8273
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
- Diagnostic Radiology
- Education
- Other, 2018
- Medicare assignment
- Accepts the Medicare-approved amount as payment in full
- Group practices
Practice addresses (Care Compare)
1100 W Stewart Dr
St Joseph Hospital
Orange, CA 92868-3891
Phone (714) 771-8171
31872 Coast Hwy
Laguna Beach, CA 92651-6773
Phone (949) 499-1311
395 W Avenida Vista Hermosa
Unit K
San Clemente, CA 92672-7720
Phone (918) 392-1702
Hospital & facility affiliations
Merit-based Incentive Payment System (MIPS)
- Final score
- 90.77 of 100
- Quality
- 84.13
- Promoting interoperability
- 100
- Improvement activities
- 40
- Cost
- 73.88
Merit-based Incentive Payment System (MIPS)
- Final score
- 84.56 of 100
- Quality
- 85.63
- Improvement activities
- 40
- Cost
- 74.88
National Provider Directory
National Provider Directory- Medicare enrollment (NPD)
- Enrolled
- Credentials
- Doctor of Osteopathy
State licenses
| License | State | Type | Specialty |
|---|---|---|---|
| 20A21092 | CA | MD | Diagnostic Radiology Physician |
Practice roles
| Organization | Specialty | Status | New patients |
|---|---|---|---|
| Regents of the University of California | Diagnostic Radiology | Current | Accepting new patients |
| Moran Rowen and Dorsey Inc | Diagnostic Radiology | Current | Accepting new patients |
Locations
31872 Coast Hwy
Laguna Beach, CA 92651
Phone (949) 499-1311
27700 Medical Center Rd
Mission Viejo, CA 92691
Phone (949) 364-7744
27800 Medical Center Rd
Ste 108
Mission Viejo, CA 92691
Phone (949) 348-1103
26732 Crown Valley Pkwy
Ste 171
Mission Viejo, CA 92691
Phone (714) 364-3484
1010 W La Veta Ave
Ste 400
Orange, CA 92868
Phone (714) 734-6282
1100 W Stewart Dr
Orange, CA 92868
Phone (714) 532-8620
200 W Arbor Dr
San Diego, CA 92103
Phone (619) 543-5754
Organizations & group practices 2
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.
-
- Diagnostic Radiology Physician
- Orange, CA
- NPI 1649263906
-
- Diagnostic Radiology Physician
- San Diego, CA
- NPI 1558463927
Hospital & facility affiliations 5
Hospitals and other facilities this clinician is affiliated with according to Medicare Care Compare.
-
- General Acute Care Hospital
- Mission Viejo, CA
- NPI 1912108002
-
- General Acute Care Hospital
- Mission Viejo, CA
- NPI 1992752315
-
- General Acute Care Hospital
- Laguna Hills, CA
- NPI 1275576381
-
- General Acute Care Hospital
- Orange, CA
- NPI 1689608150
NPI Registry JSON
The complete NPPES record for this NPI in the NPI Registry API format.
{
"created_epoch": "1522972800000",
"enumeration_type": "NPI-1",
"last_updated_epoch": "1789603200000",
"number": "1497252464",
"addresses": [
{
"country_code": "US",
"country_name": "United States",
"address_purpose": "MAILING",
"address_type": "DOM",
"address_1": "PO BOX 232410",
"city": "SAN DIEGO",
"state": "CA",
"postal_code": "921932410"
},
{
"country_code": "US",
"country_name": "United States",
"address_purpose": "LOCATION",
"address_type": "DOM",
"address_1": "28881 AIROSO ST UNIT 110",
"city": "RANCHO MISSION VIEJO",
"state": "CA",
"postal_code": "926942487",
"telephone_number": "949-682-2600"
}
],
"practiceLocations": [
{
"address_1": "4445 Magnolia Ave., GME Office",
"address_purpose": "LOCATION",
"city": "Riverside",
"state": "CA",
"postal_code": "92501",
"country_code": "US",
"telephone_number": "951-788-3000",
"country_name": "United States",
"address_type": "DOM"
},
{
"address_1": "200 W Arbor Dr",
"address_purpose": "LOCATION",
"city": "San Diego",
"state": "CA",
"postal_code": "921039000",
"country_code": "US",
"telephone_number": "800-926-8273",
"fax_number": "888-539-8781",
"country_name": "United States",
"address_type": "DOM"
}
],
"basic": {
"last_name": "PIERCE",
"first_name": "JASON",
"middle_name": "A",
"credential": "DO",
"sole_proprietor": "NO",
"sex": "M",
"enumeration_date": "2018-04-06",
"last_updated": "2026-09-17",
"certification_date": "2026-09-17",
"status": "A"
},
"taxonomies": [
{
"code": "2085R0202X",
"taxonomy_group": "",
"desc": "Radiology, Diagnostic Radiology",
"state": "CA",
"license": "20A21092",
"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 Sep 17, 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.