Ryan Michael McWhirter, MD
Anesthesiology Physician · Los Angeles, CA
Ryan Michael McWhirter, MD is an anesthesiology physician with a practice address in Los Angeles, California, and NPI 1942887906, issued on Mar 25, 2021. Check the license (California A197991, as entered in NPPES) on the Medical Board of California; the Medicare figures below come from public CMS files.
- Name
- Ryan Michael McWhirter
- Credential
- MD
- Primary taxonomy
- Anesthesiology Physician 207L00000X
- License number
- A197991 CA
Self-reported in NPPES; status is on the state search - Practice location
- 757 Westwood Plz Ste 3325, Los Angeles, CA 90095
- Phone
- (310) 267-8626
- Enumerated
- Mar 25, 2021
- Record last updated
- Jul 1, 2025
- Fax
- (310) 267-8679
- Medicare enrollment
- Enrolled (PECOS I20250617003547); accepts Medicare assignment
- Entity
- Type 1 · individual
8 nearest anesthesiology physician records → All 7,571 in California → Look up another NPI →
Also registered at 757 Westwood Plz Ste 3325
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Ashley Adams, MDAnesthesiology Physician1568098580
- Meron Admassu, RNAnesthesiology Physician1962168435
- Christopher AlbaStudent in an Organized Health Care Education/Training Program1568301737
- Golnaz Alemzadeh, M.D.Anesthesiology Physician1659687713
- Brannon Altenhofen, MDAnesthesiology Physician1780180703
- Shelly Anderson, CRNACertified Registered Nurse Anesthetist1033397120
Verify Ryan Michael McWhirter in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersMedical Board of California
Search for license A197991Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
Industry payments in 2024: $186.17
2 payments; by number, the most common kind was food and beverage; the largest payer was Fisher & Paykel Healthcare Inc. The 17,774 providers of this specialty with any payment received $669.59 on average. Payments are reported by manufacturers, not by the provider, and are not a sign of wrongdoing.
Source: CMS Open Payments, program year 2024 (openpaymentsdata.cms.gov); average among providers of this specialty with at least one payment.
Bills Medicare through 2 group practices
- Cedars-Sinai Medical Care FoundationWest Hollywood, CA
- Regents OF The University OF CaliforniaSanta Monica, CA
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Ryan Michael McWhirter among 7,571 anesthesiology physician records in California
Ryan Michael McWhirter, MD is one of 7,571 anesthesiology physician records with a practice address in California. 71% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2021, is newer than 95% of them.
- NPI issued2021 · 95% of these records are older, 3% newer
- In a Medicare fileYes · 71% of these records are
- In the CMS Doctors and Clinicians fileYes · 64% of these records are
- Graduated2021 · median 2006 among the 4,868 with a school on file
- Record last updated2025 · 63% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 207L00000X and a California practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
Anesthesiology Physician providers in California
There are 7,571 anesthesiology physician records in California.
All 7,571 in California → Every provider in Los Angeles → Anesthesiology Physician nationwide →
The 8 anesthesiology physician records with the nearest ZIP codes
- Cynthia Antin, MDLos Angeles, CA 900951467491365
- Ihab Ayad, MDLos Angeles, CA 900951699714543
- Judith Brill, MDLos Angeles, CA 900951134168040
- Kwok Chan, MDLos Angeles, CA 900951528033545
- Daniel Cole, M.D.Los Angeles, CA 900951285618157
- Jeanette Derdemezi, MDLos Angeles, CA 900951881643534
- Jonathan Ho, MDLos Angeles, CA 900951053369397
- Joe Hong, MDLos Angeles, CA 900951972551356
Common questions
What is Ryan Michael McWhirter, MD's NPI number?
Ryan Michael McWhirter, MD's National Provider Identifier (NPI) is 1942887906, issued on Mar 25, 2021. An NPI identifies a provider in billing; it is not a license.
Where is Ryan Michael McWhirter, MD located?
The NPPES record lists a practice address at 757 Westwood Plz Ste 3325, Los Angeles, CA, 90095. Phone: (310) 267-8626. Providers update this record themselves, so call before visiting.
How can I verify Ryan Michael McWhirter, MD's license?
NPPES lists California license number A197991, as entered by the provider. Search the Medical Board of California at https://www.mbc.ca.gov/License-Verification/default.aspx. The NPPES record confirms identity only; the state search shows license status, expiration and public orders.
Source: CMS National Plan and Provider Enumeration System (NPPES), file of Aug 9, 2026 (NPPES files on CMS.gov); NUCC Health Care Provider Taxonomy. Medicare files from data.cms.gov. An NPI identifies who bills; it is not a license.
Figures on PlainDoctor are read from the federal files each page names (CMS NPPES, Medicare Part D, MIPS, Open Payments; the HHS-OIG exclusion list only as counts) and from Census population estimates, with the file date shown beside them. See our editorial standards & corrections policy, the methodology behind these numbers, or report a data error. Data current as of Aug 9, 2026.