GARY MORTON ANNUNZIATA D.O.
NPI 1861447302
Internal Medicine - Gastroenterology in Rancho Mirage, CA
About Gary Morton Annunziata D.o. NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
GARY MORTON ANNUNZIATA D.O. (NPI 1861447302) is an individual gastroenterology provider in Rancho Mirage, California, licensed in California (020A66500) and active in the NPI registry since May 2006. He is enrolled in Medicare PECOS and is a graduate of Chicago College Of Osteopathy (1989).
NPPES Registry Identity
Specialties & Licenses
Other Identifiers 1
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
Gary Morton Annunziata D.o. 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 Gary Annunziata 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.
Areas of Expertise CMS Part B claims 17
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 92270 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 7
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 20
Providers registered at the same practice address, or within the immediate area, according to the NPPES registry.
RANCHO MIRAGE, CA 92270
RANCHO MIRAGE, CA 92270
RANCHO MIRAGE, CA 92270
RANCHO MIRAGE, CA 92270
RANCHO MIRAGE, CA 92270
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 Gary Annunziata's NPI number?
The NPI number for Gary Annunziata is 1861447302. It was assigned to this individual provider in the NPPES registry on May 23, 2006.
Where is Gary Annunziata located?
Gary Annunziata practices at 35900 Bob Hope Dr Ste 275, Rancho Mirage, CA 92270. The listed phone number is (760) 321-2500.
What is Gary Annunziata's specialty?
The primary specialty registered for this NPI is Internal Medicine, specializing in Gastroenterology, with taxonomy code 207RG0100X.
Is Gary Annunziata enrolled in Medicare?
Yes. Gary Annunziata 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 Gary Annunziata's services?
According to the CMS Revalidation Reassignment List (October 2026 release), Gary Annunziata 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 Gary Annunziata'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 Gary Annunziata was last updated on December 13, 2010. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 15 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.