DR. ANTHONY K AHN M.D.
NPI 1649282302
Orthopaedic Surgery - Hand Surgery in Manhattan Beach, CA
About Dr. Anthony K Ahn M.d. NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
DR. ANTHONY K AHN M.D. (NPI 1649282302) is an individual hand surgery provider in Manhattan Beach, California, licensed in California (A86508) and active in the NPI registry since August 2006. He is enrolled in Medicare PECOS and is a graduate of Warren Alpert Medical School Of Brown University (1998).
NPPES Registry Identity
Specialties & Licenses 3
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
Dr. Anthony K Ahn M.d. 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 Reassignment
Medicare enrollment records show Anthony Ahn reassigns Medicare billing to 1 organization. The organization bills Medicare for the services this provider delivers there.
Manhattan Beach, CA 90266
- Reassigned Medicare billing, California enrollment
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 12
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 90266 ZIP code area, from fee-for-service claims. These are area statistics, not this provider’s prices; actual charges vary by service and coverage.
Medicare Quality Performance CMS QPP · MIPS
Performance in the CMS Quality Payment Program: the MIPS final score across four weighted categories, and the individual quality measures reported to Medicare.
Referred Medical Equipment & Supplies CMS DME claims 2
Durable medical equipment, devices and supplies this provider ordered from DME suppliers for patients, from Medicare fee-for-service claims.
Other Providers at the Same Location NPPES 7
Providers registered at the same practice address, or within the immediate area, according to the NPPES registry.
MANHATTAN BEACH, CA 90266
MANHATTAN BEACH, CA 90266
MANHATTAN BEACH, CA 90266
MANHATTAN BEACH, CA 90266
MANHATTAN BEACH, CA 90266
MANHATTAN BEACH, CA 90266
MANHATTAN BEACH, CA 90266
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 Ahn's NPI number?
The NPI number for Anthony Ahn is 1649282302. It was assigned to this individual provider in the NPPES registry on August 12, 2006.
Where is Anthony Ahn located?
Anthony Ahn practices at 1200 Rosecrans Ave Ste 202, Manhattan Beach, CA 90266. The listed phone number is (310) 356-9898.
What is Anthony Ahn's specialty?
The primary specialty registered for this NPI is Orthopaedic Surgery, specializing in Hand Surgery, with taxonomy code 207XS0106X.
Is Anthony Ahn enrolled in Medicare?
Yes. Anthony Ahn 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 organization bills Medicare for Anthony Ahn's services?
According to the CMS Revalidation Reassignment List (October 2026 release), Anthony Ahn reassigns Medicare benefits to Anthony Ahn MD Inc (Manhattan Beach, CA). The 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 Ahn's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.
When was this NPI record last updated?
The NPPES record for Anthony Ahn was last updated on November 3, 2020. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 6 years 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.