Active NPI
Nathaniel Collins, M.D.
- Anesthesiology Physician
- Orange, CA
On this page
Key facts
NPPES NPI Registry- Primary specialty
- Anesthesiology Physician
- License
- 157480
- Practice address
- 101 The City Dr S
Orange, CA 92868-3201 - Phone
- (714) 456-2985
- NPI assigned
- Jun 28, 2016
- 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 2
| Specialty (taxonomy) | Code | License | State | Primary |
|---|---|---|---|---|
| Anesthesiology Physician | 207L00000X | 0101267244 | VA | |
| Anesthesiology Physician | 207L00000X | 157480 | CA | Primary |
Addresses
Primary practice location
101 The City Dr S
Orange, CA 92868-3201
Mailing address
101 The City Dr S
Orange, CA 92868-3201
Medicare participation
Medicare enrollment files- Medicare fee-for-service enrollment
- Enrolled in VA, CA
- Eligible to order & refer
- Part B services: Yes
- Medical equipment: Yes
- Home health: Yes
- Power mobility devices: Yes
- Hospice: Yes
Enrollment records 2
| Enrollment ID | State | Provider type | PAC ID | Details |
|---|---|---|---|---|
| I20221111000095 | VA | Practitioner - Anesthesiology | 1557696705 | Reassigns benefits to 1 organization |
| I20250627002681 | CA | Practitioner - Anesthesiology | 1557696705 | Reassigns benefits to 1 organization |
Care Compare profile
Medicare Care Compare- Specialty
- Anesthesiology
- Education
- Other, 2015
- Medicare assignment
- Accepts the Medicare-approved amount as payment in full
- Group practices
- Regents of the University of
Practice addresses (Care Compare)
101 The City Dr S
Orange, CA 92868-3201
Phone (714) 456-7004
Hospital & facility affiliations
- Uci Health-Orange
Merit-based Incentive Payment System (MIPS)
- Final score
- 83.95 of 100
- Quality
- 69.91
- Promoting interoperability
- 99
- Improvement activities
- 40
- Cost
- 77.42
National Provider Directory
National Provider Directory- Medicare enrollment (NPD)
- Enrolled
- Credentials
- Doctor of Medicine
State licenses
| License | State | Type | Specialty |
|---|---|---|---|
| 157480 | CA | MD | Anesthesiology Physician |
| 0101267244 | VA | MD | Anesthesiology Physician |
Practice roles
| Organization | Specialty | Status | New patients |
|---|---|---|---|
| Regents of the University of | Anesthesiology | Current | Accepting new patients |
| MCV Associated Physicians | Anesthesiology | Current | Accepting new patients |
Locations
101 The City Dr S
Orange, CA 92868
Phone (714) 456-6054
200 S Manchester Ave
Ste 300
Orange, CA 92868
Phone (714) 424-9001
1250 E Marshall St
Richmond, VA 23298
Phone (804) 628-6990
1200 E Broad St
Rm 7105
Richmond, VA 23298
401 N 11th St
Richmond, VA 23219
Phone (804) 828-4409
618 Hospital Rd
Tappahannock, VA 22560
Phone (804) 443-3311
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.
Hospital & facility affiliations 2
Hospitals and other facilities this clinician is affiliated with according to Medicare Care Compare.
NPI Registry JSON
The complete NPPES record for this NPI in the NPI Registry API format.
{
"created_epoch": "1467072000000",
"enumeration_type": "NPI-1",
"last_updated_epoch": "1749427200000",
"number": "1194176404",
"addresses": [
{
"country_code": "US",
"country_name": "United States",
"address_purpose": "MAILING",
"address_type": "DOM",
"address_1": "101 THE CITY DR S",
"city": "ORANGE",
"state": "CA",
"postal_code": "928683201"
},
{
"country_code": "US",
"country_name": "United States",
"address_purpose": "LOCATION",
"address_type": "DOM",
"address_1": "101 THE CITY DR S",
"city": "ORANGE",
"state": "CA",
"postal_code": "928683201",
"telephone_number": "714-456-2985"
}
],
"practiceLocations": [],
"basic": {
"last_name": "COLLINS",
"first_name": "NATHANIEL",
"credential": "M.D.",
"sole_proprietor": "NO",
"sex": "M",
"enumeration_date": "2016-06-28",
"last_updated": "2025-06-09",
"certification_date": "2025-06-09",
"status": "A"
},
"taxonomies": [
{
"code": "207L00000X",
"taxonomy_group": "",
"desc": "Anesthesiology",
"state": "VA",
"license": "0101267244",
"primary": false
},
{
"code": "207L00000X",
"taxonomy_group": "",
"desc": "Anesthesiology",
"state": "CA",
"license": "157480",
"primary": true
}
],
"identifiers": [],
"endpoints": [],
"other_names": []
}
Other providers in Orange, CA
Sources for this page
- NPPES NPI Registry (CMS): identity, addresses, specialties, licenses, identifiers and endpoints. Last updated by the provider on Jun 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.
- 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.