Mason Cox, CRNA
Certified Registered Nurse Anesthetist · Los Angeles, CA
Mason Cox, CRNA is a certified registered nurse anesthetist with a practice address in Los Angeles, California, and NPI 1659066181, issued on Apr 10, 2023. Check the license (California 95001925, as entered in NPPES) with the California board that licenses this profession; the Medicare figures below come from public CMS files.
- Name
- Mason Cox
- Credential
- CRNA
- Primary taxonomy
- Certified Registered Nurse Anesthetist 367500000X
- License number
- 95001925 CA
Self-reported in NPPES; status is on the state search - Practice location
- 4867 W Sunset Blvd, Los Angeles, CA 90027
- Phone
- (323) 783-4011
- Enumerated
- Apr 10, 2023
- Record last updated
- Apr 10, 2023
- Entity
- Type 1 · individual
8 nearest certified registered nurse anesthetist records → All 2,943 in California → Look up another NPI →
Also registered at 4867 W Sunset Blvd
A shared address usually means a shared clinic or building; it does not show who employs whom.
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Verify Mason Cox in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersWhich California board licenses this profession
Search for license 95001925Check 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: $108.71
1 payment: food and beverage; the largest payer was Boston Scientific Corporation. The 24,076 providers of this specialty with any payment received $135.08 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.
Mason Cox among 2,943 certified registered nurse anesthetist records in California
Mason Cox, CRNA is one of 2,943 certified registered nurse anesthetist records with a practice address in California. 75% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2023, is newer than 89% of them.
- NPI issued2023 · 89% of these records are older, 7% newer
- In a Medicare fileYes · 75% of these records are
- In the CMS Doctors and Clinicians fileNo · 71% of these records are
- Record last updated2023 · 51% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 367500000X and a California practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
Certified Registered Nurse Anesthetist providers in California
There are 2,943 certified registered nurse anesthetist records in California.
All 2,943 in California → Every provider in Los Angeles → Certified Registered Nurse Anesthetist nationwide →
The 8 certified registered nurse anesthetist records with the nearest ZIP codes
- Peter Christensen, CRNALos Angeles, CA 900271194892927
- Earl Dakan, CRNALos Angeles, CA 900271962579722
- James Decker, CRNALos Angeles, CA 900271437226297
- Shama Farooqui, CRNALos Angeles, CA 900271730130824
- Brian Herzberger, CRNALos Angeles, CA 900271144397910
- Linda Knight, CRNALos Angeles, CA 900271871660639
- Hetty Ko, CRNALos Angeles, CA 900271053488817
- Jane Lai, CRNALos Angeles, CA 900271689741449
Common questions
What is Mason Cox, CRNA's NPI number?
Mason Cox, CRNA's National Provider Identifier (NPI) is 1659066181, issued on Apr 10, 2023. An NPI identifies a provider in billing; it is not a license.
Where is Mason Cox, CRNA located?
The NPPES record lists a practice address at 4867 W Sunset Blvd, Los Angeles, CA, 90027. Phone: (323) 783-4011. Providers update this record themselves, so call before visiting.
How can I verify Mason Cox, CRNA's license?
NPPES lists California license number 95001925, as entered by the provider. Search the California board that licenses this profession; the NPPES record confirms identity only.
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.