Gary Morton Annunziata, D.O.
Gastroenterology Physician · Rancho Mirage, CA
Gary Morton Annunziata, D.O. is a gastroenterology physician with a practice address in Rancho Mirage, California, and NPI 1861447302, issued on May 23, 2006. Check the license (California 020A66500, as entered in NPPES) on the Medical Board of California; the Medicare figures below come from public CMS files.
- Name
- Gary Morton Annunziata
- Credential
- D.O.
- Primary taxonomy
- Gastroenterology Physician 207RG0100X
- License number
- 020A66500 CA
Self-reported in NPPES; status is on the state search - Practice location
- 35900 Bob Hope Dr, Rancho Mirage, CA 92270
- Phone
- (760) 321-2500
- Enumerated
- May 23, 2006
- Record last updated
- Dec 13, 2010 (not updated in 16 years: call before relying on the address or phone)
- Fax
- (760) 321-5720
- Medicare enrollment
- Enrolled (PECOS I20050708000740); accepts Medicare assignment
- Medical or professional school
- Chicago College Of Osteopathy, 1989
- Telehealth
- Offers telehealth (CMS)
- Entity
- Type 1 · individual
8 nearest gastroenterology physician records → All 2,140 in California → Look up another NPI →
Also registered at 35900 Bob Hope Dr
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Bobby Bhasker-Rao, MDSurgery Physician1154409290
- Anh Duong, M.D.Gastroenterology Physician1215982756
- Regina Epp, FNPNurse Practitioner1235473091
- Kimberly HancockFamily Nurse Practitioner1659776607
- Courtney Markey, R.D.NRegistered Dietitian1700263522
- Kirk Ryskamp, D.D.S.Endodontics1124048970
Verify Gary Morton Annunziata in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersMedical Board of California
Search for license 020A66500Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
41% more Medicare Part D claims than the average gastroenterology physician in 2024
1,146 Medicare Part D claims for 580 beneficiaries, against an average of 811 among the 16,445 providers of this specialty who prescribed in Part D. Brand-name drugs were 23% of claims.
Most prescribed
- Sod Sulf-Potass Sulf-Mag Sulf196 claims
- Peg 3350-Electrolyte185 claims
- Omeprazole106 claims
- Pantoprazole Sodium103 claims
- Creon56 claims
- Famotidine55 claims
Source: CMS Medicare Part D Prescribers by Provider and Drug, 2024 (data.cms.gov). Part D covers prescriptions for Medicare patients only; drugs with fewer than 11 claims are not published.
The practice group's MIPS final score for 2023 (Medicare payment program): 100 of 100
The Merit-based Incentive Payment System score is reported for the practice group, not for one clinician alone. Four categories are weighted into the final score; the average among 454,083 clinicians with a measured score was 83.5.
Source: CMS Quality Payment Program, MIPS performance year 2023, group reporting; category weights for 2023 (qpp.cms.gov).
Industry payments in 2024: $1,797.14
86 payments; by number, the most common kind was food and beverage; the largest payer was Abbvie Inc. The 13,350 providers of this specialty with any payment received $5,015.95 on average. Payments are reported by manufacturers, not by the provider, and are not a sign of wrongdoing.
Source: CMS Open Payments, program year 2024 (openpaymentsdata.cms.gov); average among providers of this specialty with at least one payment.
Bills Medicare through one group practice
- United Medical DoctorsFallbrook, CA
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Gary Morton Annunziata among 2,140 gastroenterology physician records in California
Gary Morton Annunziata, D.O. is one of 2,140 gastroenterology physician records with a practice address in California. 83% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2006, is newer than 7% of them.
- NPI issued2006 · 7% of these records are older, 48% newer
- In a Medicare fileYes · 83% of these records are
- In the CMS Doctors and Clinicians fileYes · 72% of these records are
- Graduated1989 · median 2002 among the 1,538 with a school on file
- Record last updated2010 · 60% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 207RG0100X and a California practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
Gastroenterology Physician providers in California
There are 2,140 gastroenterology physician records in California.
All 2,140 in California → Every provider in Rancho Mirage → Gastroenterology Physician nationwide →
The 8 gastroenterology physician records with the nearest ZIP codes
- Adewale Ajumobi, M.D.Rancho Mirage, CA 922701871777698
- Alan Altman, M.D.Rancho Mirage, CA 922701598002750
- James Conti, M.D.Rancho Mirage, CA 922701568614345
- Noel Curry, M.D.Rancho Mirage, CA 922701609837921
- Anh Duong, M.D.Rancho Mirage, CA 922701215982756
- Ronald Heilpern, MDRancho Mirage, CA 922701760468896
- Vikram Kanagala, M.DRancho Mirage, CA 922701407000748
- Sarah Maher, M.D.Rancho Mirage, CA 922701609253475
Common questions
What is Gary Morton Annunziata, D.O.'s NPI number?
Gary Morton Annunziata, D.O.'s National Provider Identifier (NPI) is 1861447302, issued on May 23, 2006. An NPI identifies a provider in billing; it is not a license.
Where is Gary Morton Annunziata, D.O. located?
The NPPES record lists a practice address at 35900 Bob Hope Dr, Rancho Mirage, CA, 92270. Phone: (760) 321-2500. Providers update this record themselves, so call before visiting.
How can I verify Gary Morton Annunziata, D.O.'s license?
NPPES lists California license number 020A66500, as entered by the provider. Search the Medical Board of California at https://www.mbc.ca.gov/License-Verification/default.aspx. The NPPES record confirms identity only; the state search shows license status, expiration and public orders.
How much does Gary Morton Annunziata, D.O. prescribe under Medicare Part D?
In 2024, Gary Morton Annunziata, D.O. had 1,146 Medicare Part D claims for 580 beneficiaries; the average among gastroenterology physician prescribers was 811. Part D covers Medicare prescriptions only.
What is Gary Morton Annunziata, D.O.'s MIPS final score?
The 2023 MIPS final score is 100 of 100, reported for the practice group. The average among 454,083 clinicians with a measured score was 83.5.
Source: CMS National Plan and Provider Enumeration System (NPPES), file of Aug 9, 2026 (NPPES files on CMS.gov); NUCC Health Care Provider Taxonomy. Medicare files from data.cms.gov. An NPI identifies who bills; it is not a license.
Figures on PlainDoctor are read from the federal files each page names (CMS NPPES, Medicare Part D, MIPS, Open Payments; the HHS-OIG exclusion list only as counts) and from Census population estimates, with the file date shown beside them. See our editorial standards & corrections policy, the methodology behind these numbers, or report a data error. Data current as of Aug 9, 2026.