GREGORY ALLEN STAINER MD FACS
NPI 1295729465
Ophthalmology in La Jolla, CA
About Gregory Allen Stainer Md Facs NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
GREGORY ALLEN STAINER MD FACS (NPI 1295729465) is an individual ophthalmology provider in La Jolla, California, licensed in California (G41135) and active in the NPI registry since September 2005. He is enrolled in Medicare PECOS and is a graduate of Northwestern College Of Chiropractic (1976).
NPPES Registry Identity
Specialties & Licenses
Other Identifiers 2
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
Gregory Allen Stainer Md Facs 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
4Medicare enrollment records show Gregory Stainer reassigns Medicare billing to 4 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.
Poway, CA 92064
- Reassigned Medicare billing, California enrollment
- 17 clinicians in this Medicare group
Chula Vista, CA 91911
- Reassigned Medicare billing, California enrollment
- 25 clinicians in this Medicare group
San Marcos, CA 92069
- Reassigned Medicare billing, California enrollment
- 25 clinicians in this Medicare group
Bakersfield, CA 93308
- Reassigned Medicare billing, California enrollment
- 7 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 11
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 92037 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.
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 Gregory Stainer's NPI number?
The NPI number for Gregory Stainer is 1295729465. It was assigned to this individual provider in the NPPES registry on September 2, 2005.
Where is Gregory Stainer located?
Gregory Stainer practices at 1212 Skylark Dr, La Jolla, CA 92037. The listed phone number is (661) 717-0237.
What is Gregory Stainer's specialty?
The primary specialty registered for this NPI is Ophthalmology with taxonomy code 207W00000X.
Is Gregory Stainer enrolled in Medicare?
Yes. Gregory Stainer 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 Gregory Stainer's services?
According to the CMS Revalidation Reassignment List (October 2026 release), Gregory Stainer reassigns Medicare benefits to 4 organizations: North County Eye Physicians, Inc (Poway, CA), California Retina Associates, LP (Chula Vista, CA), North County Eye Center, Inc. (San Marcos, CA) and Sandeep S Walia, MD, A Professional Medical Corporation (Bakersfield, CA). 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 Gregory Stainer'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 Gregory Stainer was last updated on December 12, 2024. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 22 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.