Individual provider Active NPI

Ryan Michael McWhirter, MD

  • Anesthesiology Physician
  • Los Angeles, CA
National Provider Identifier
1942887906
Registry record updated Jul 1, 2025
On this page

Key facts

NPPES NPI Registry
Primary specialty
Anesthesiology PhysicianTaxonomy code 207L00000X
License
A197991 Issued in CA
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

Updated by the provider on Jul 1, 2025

Registry information is reported by the provider to CMS and is not verified. About this source

Specialties & licenses 1

Specialty (taxonomy)CodeLicenseStatePrimary
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
Green means eligible to order or refer.

Enrollment records 1

Enrollment IDStateProvider typePAC IDDetails
I20250617003547 CA Practitioner - Anesthesiology 7315468352 Reassigns benefits to 3 organizations

Care Compare profile

Medicare Care Compare
Specialty
Anesthesiology
Education
Other, 2021
Medicare assignment
Accepts the Medicare-approved amount as payment in full
Group practices
Regents of the University of CaliforniaGroup PAC ID 8527971316, 237 clinicians
Cedars-Sinai Medical Care FoundationGroup PAC ID 0941106645, 1,684 clinicians

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 Hospital, Los Angeles, CA, CCN 050625
  • Ronald Reagan UCLA Medical Center Hospital, Los Angeles, CA, CCN 050262

National Provider Directory

National Provider Directory
Medicare enrollment (NPD)
Enrolled
Credentials
Doctor of Medicine

State licenses

LicenseStateTypeSpecialty
A197991CAMDAnesthesiology Physician

Practice roles

OrganizationSpecialtyStatusNew patients
Cedars-Sinai Medical Care Foundation CurrentSince Jul 21, 2025 Accepting new patients
Southern California Permanente Medical Group CurrentSince Sep 18, 2025 Accepting new patients
Southern California Permanente Medical Group CurrentSince Sep 18, 2025 Accepting new patients
Regents of the University of California Anesthesiology CurrentSince Jul 1, 2025 Accepting new patients
Southern California Permanente Medical Group Current Accepting new patients
Regents of the University of California Anesthesiology CurrentSince Jul 1, 2025 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.

Hospital & facility affiliations 3

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": "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

Verify at the official NPI Registry.