Active NPI
Ryan Michael McWhirter, MD
- Anesthesiology Physician
- Los Angeles, CA
On this page
Key facts
NPPES NPI Registry- Primary specialty
- Anesthesiology Physician
- License
- A197991
- Practice address
- 757 Westwood PLZ Ste 3325
Los Angeles, CA 90095-7419 - Phone
- (310) 267-8626
- Fax
- (310) 267-8679
- NPI assigned
- Mar 25, 2021
- Sex
- Male
- Sole proprietor
- Yes
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 |
|---|---|---|---|---|
| Anesthesiology Physician | 207L00000X | A197991 | CA | Primary |
Addresses
Primary practice location
757 Westwood PLZ Ste 3325
Los Angeles, CA 90095-7419
Mailing address
5767 W Century Blvd Ste 400
Los Angeles, CA 90045-5631
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
- Anesthesiology
- Education
- Other, 2021
- Medicare assignment
- Accepts the Medicare-approved amount as payment in full
- Group practices
Practice addresses (Care Compare)
1245 16TH St
Santa Monica, CA 90404-1235
Phone (310) 794-1841
757 Westwood PLZ
Los Angeles, CA 90095-8358
Phone (310) 825-9111
8700 Beverly Blvd
West Hollywood, CA 90048-1804
Phone (310) 423-3277
Hospital & facility affiliations
- Cedars-Sinai Medical Center
- Ronald Reagan UCLA Medical Center
National Provider Directory
National Provider Directory- Medicare enrollment (NPD)
- Enrolled
- Credentials
- Doctor of Medicine
State licenses
| License | State | Type | Specialty |
|---|---|---|---|
| A197991 | CA | MD | Anesthesiology Physician |
Practice roles
| Organization | Specialty | Status | New patients |
|---|---|---|---|
| Cedars-Sinai Medical Care Foundation | Current | Accepting new patients | |
| Southern California Permanente Medical Group | Current | Accepting new patients | |
| Southern California Permanente Medical Group | Current | Accepting new patients | |
| Regents of the University of California | Anesthesiology | Current | Accepting new patients |
| Southern California Permanente Medical Group | Current | Accepting new patients | |
| Regents of the University of California | Anesthesiology | Current | Accepting new patients |
Locations
5767 W Century Blvd
Ste 400
Los Angeles, CA 90045
Phone (310) 301-5200
File 4501
Los Angeles, CA 90074
6041 Cadillac Ave
Los Angeles, CA 90034
Phone (323) 857-2000
757 Westwood Plz
Los Angeles, CA 90095
Phone (310) 267-9448
757 Westwood Plz
Ste 3325
Los Angeles, CA 90095
Phone (310) 267-8626
8635 W 3rd St
Ste 465W
Los Angeles, CA 90048
Phone (310) 423-0674
1245 16th St
Santa Monica, CA 90404
Phone (310) 794-1841
1250 16th St
Santa Monica, CA 90404
Phone (310) 301-8695
100 Moody Ct
Ste 200
Thousand Oaks, CA 91360
Phone (805) 418-3500
8700 Beverly Blvd
Ste SB290
West Hollywood, CA 90048
Phone (310) 423-1447
8700 Beverly Blvd
West Hollywood, CA 90048
Phone (310) 385-3291
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 and National Provider Directory roles.
-
- Specialist
- Los Angeles, CA
- NPI 1316984388
-
- Anesthesiology Physician
- Los Angeles, CA
- NPI 1326096165
-
- Health Maintenance Organization
- Baldwin Park, CA
- NPI 1770515280
-
- Pain Medicine Physician
- Los Angeles, CA
- NPI 1699224808
Anesthesiology
-
- Health Maintenance Organization
- Los Angeles, CA
- NPI 1043242563
-
- Health Maintenance Organization
- Santa Clarita, CA
- NPI 1316409410
Hospital & facility affiliations 3
Hospitals and other facilities this clinician is affiliated with according to Medicare Care Compare.
-
- General Acute Care Hospital
- Los Angeles, CA
- NPI 1639172372
-
- General Acute Care Hospital
- West Hollywood, CA
- NPI 1891940326
-
- General Acute Care Hospital
- Los Angeles, CA
- NPI 1902803315
NPI Registry JSON
The complete NPPES record for this NPI in the NPI Registry API format.
{
"created_epoch": "1616630400000",
"enumeration_type": "NPI-1",
"last_updated_epoch": "1751328000000",
"number": "1942887906",
"addresses": [
{
"country_code": "US",
"country_name": "United States",
"address_purpose": "MAILING",
"address_type": "DOM",
"address_1": "5767 W CENTURY BLVD STE 400",
"city": "LOS ANGELES",
"state": "CA",
"postal_code": "900455631"
},
{
"country_code": "US",
"country_name": "United States",
"address_purpose": "LOCATION",
"address_type": "DOM",
"address_1": "757 WESTWOOD PLZ STE 3325",
"city": "LOS ANGELES",
"state": "CA",
"postal_code": "900957419",
"telephone_number": "310-267-8626",
"fax_number": "310-267-8679"
}
],
"practiceLocations": [],
"basic": {
"last_name": "MCWHIRTER",
"first_name": "RYAN",
"middle_name": "MICHAEL",
"credential": "MD",
"sole_proprietor": "YES",
"sex": "M",
"enumeration_date": "2021-03-25",
"last_updated": "2025-07-01",
"certification_date": "2025-07-01",
"status": "A"
},
"taxonomies": [
{
"code": "207L00000X",
"taxonomy_group": "",
"desc": "Anesthesiology",
"state": "CA",
"license": "A197991",
"primary": true
}
],
"identifiers": [],
"endpoints": [],
"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 Jul 1, 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.