JOHN LARSON M.D.
NPI 1275991697
Plastic Surgery in Newport Beach, CA
About John Larson M.d. NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
JOHN LARSON M.D. (NPI 1275991697) is an individual plastic surgery provider in Newport Beach, California, licensed in California (142514) and active in the NPI registry since January 2016. He is enrolled in Medicare PECOS.
NPPES Registry Identity
Specialties & Licenses
Medicare Participation & PECOS CMS
Medicare enrollment, assignment, billing reassignment, and ordering and referring status from CMS.
Medicare Enrollment Status
Enrolled in Medicare (PECOS)
John Larson M.d. is registered in the CMS Provider Enrollment, Chain and Ownership System (PECOS).
Medicare Billing Reassignment
Medicare enrollment records show John Larson reassigns Medicare billing to 1 organization. The organization bills Medicare for the services this provider delivers there.
Murrieta, CA 92563
- Reassigned Medicare billing, California enrollment
- 240 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.
Physician Visit Costs CMS claims · ZIP area
Typical Medicare office-visit costs in the 92660 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.
Other Providers at the Same Location NPPES
Providers registered at the same practice address, or within the immediate area, according to the NPPES registry.
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 John Larson's NPI number?
The NPI number for John Larson is 1275991697. It was assigned to this individual provider in the NPPES registry on January 29, 2016.
Where is John Larson located?
John Larson practices at 4440 Von Karman Ave Ste 150, Newport Beach, CA 92660. The listed phone number is (949) 688-7733.
What is John Larson's specialty?
The primary specialty registered for this NPI is Plastic Surgery with taxonomy code 208200000X.
Is John Larson enrolled in Medicare?
Yes. John Larson is registered in the Medicare PECOS enrollment system.
Which organization bills Medicare for John Larson's services?
According to the CMS Revalidation Reassignment List (October 2026 release), John Larson reassigns Medicare benefits to United Medical Doctors (Murrieta, 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 John Larson'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 John Larson was last updated on July 10, 2026. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 3 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.