ANTHONY P. MAI MD
NPI 1699394874
Ophthalmology in Westlake Village, CA
About Anthony P. Mai Md NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
ANTHONY P. MAI MD (NPI 1699394874) is an individual ophthalmology provider in Westlake Village, California, licensed in California (A206386) and active in the NPI registry since April 2020. He is enrolled in Medicare PECOS, maintains 2 additional practice locations, and is a graduate of University Of Iowa, Rj & L Carver College Of Medicine (2020).
NPPES Registry Identity
Specialties & Licenses
Secondary Practice Locations 2
Accepted Insurance
Medicare Participation & PECOS CMS
Medicare enrollment, assignment, billing reassignment, and ordering and referring status from CMS.
Medicare Enrollment Status
Enrolled in Medicare and accepts Medicare assignment
Anthony P. Mai Md is registered in PECOS and agrees to accept the Medicare-approved amount as full payment. Medicare patients are not billed beyond the standard deductible and coinsurance.
Medicare Billing Reassignments
3Medicare enrollment records show Anthony Mai reassigns Medicare billing to 3 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.
Westlake Village, CA 91361
- Reassigned Medicare billing, California enrollment
- 20 clinicians in this Medicare group
Riverton, UT 84065
- Reassigned Medicare billing, Utah enrollment
- 751 clinicians in this Medicare group
Salt Lake City, UT 84132
- Reassigned Medicare billing, Utah enrollment
- 2,620 clinicians in this Medicare group
Source: CMS Revalidation Reassignment List, October 2026 release. Reassignment records can lag staffing changes; confirm a current affiliation with the organization.
Areas of Expertise CMS Part B claims 5
Services this provider delivered to Medicare fee-for-service patients, from the CMS Medicare utilization data. Higher counts generally reflect more experience with a service; care delivered outside Medicare is not included.
Physician Visit Costs CMS claims · ZIP area
Typical Medicare office-visit costs in the 91361 ZIP code area, from fee-for-service claims. These are area statistics, not this provider’s prices; actual charges vary by service and coverage.
Other Providers at the Same Location NPPES 12
Providers registered at the same practice address, or within the immediate area, according to the NPPES registry.
WESTLAKE VILLAGE, CA 91361
Frequently Asked Questions NPPES & CMS
Common questions about this NPI record, answered from the official NPPES registry and CMS datasets shown on this page.
What is Anthony Mai's NPI number?
The NPI number for Anthony Mai is 1699394874. It was assigned to this individual provider in the NPPES registry on April 8, 2020.
Where is Anthony Mai located?
Anthony Mai practices at 4353 Park Terrace Dr Ste 150, Westlake Village, CA 91361. The listed phone number is (805) 987-5300.
What is Anthony Mai's specialty?
The primary specialty registered for this NPI is Ophthalmology with taxonomy code 207W00000X.
Is Anthony Mai enrolled in Medicare?
Yes. Anthony Mai is registered in the Medicare PECOS system and accepts Medicare assignment, which means accepting the Medicare-approved amount as payment in full for covered services.
Which organizations bill Medicare for Anthony Mai's services?
According to the CMS Revalidation Reassignment List (October 2026 release), Anthony Mai reassigns Medicare benefits to 3 organizations: Paul J Dougherty M D Inc (Westlake Village, CA), University Of Utah Pediatric Services (Riverton, UT) and University Of Utah Adult Services (Salt Lake City, UT). Each reassignment is filed with Medicare on form CMS-855R, signed by both the clinician and the organization, and lets the organization bill Medicare and receive payment for Anthony Mai's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.
What insurance does Anthony Mai accept?
Health plans from Anthem Blue Cross and Blue Shield, Avera Health Plans and Providence Health Plan list Anthony Mai as in-network in at least one marketplace plan. Coverage varies by plan and year; verify with the insurer or the provider before a visit.
When was this NPI record last updated?
The NPPES record for Anthony Mai was last updated on December 27, 2025. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 9 months ago. If this record has changed at CMS more recently, you can request an on-demand re-check against the live CMS registry, directly from this page.
# Anthony P. Mai, MD · NPI 1699394874
Ophthalmology physician in Westlake Village, California. Individual provider, active in the CMS NPPES registry since April 8, 2020.
## Identity
- **NPI:** 1699394874 (Entity type: Individual)
- **Enumerated:** April 8, 2020
- **Primary specialty:** Ophthalmology · taxonomy 207W00000X
- **State license:** A206386 (California)
- **Sole proprietor:** No
## Practice location
- **Address:** 4353 PARK TERRACE DR STE 150, Westlake Village, CA 91361-4639
- **Phone:** (805) 987-5300
## Medicare
- **Medicare:** Enrolled (PECOS); accepts Medicare assignment
- **Ordering & referring:** eligible for Part B labs & imaging, durable medical equipment, home health, power mobility devices
- **Bills Medicare through:** 3 organizations under Medicare reassignment (form CMS-855R): Paul J Dougherty M D Inc (NPI 1649203639, Westlake Village, CA); University Of Utah Pediatric Services (NPI 1043671985, Riverton, UT); University Of Utah Adult Services (NPI 1578967345, Salt Lake City, UT) · CMS Revalidation Reassignment List, October 2026 release
- **Medical school:** University Of Iowa, Rj & L Carver College Of Medicine, class of 2020
## Record status
- **NPPES last updated:** December 27, 2025
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Source: [NPI Profile](https://npiprofile.com/npi/1699394874) · Data from the CMS NPPES public registry.