NPPES file of Aug 9, 2026

Gabriel Alexander Giannini, M.D.

Anatomic Pathology & Clinical Pathology Physician · Rancho Mirage, CA

Gabriel Alexander Giannini, M.D. is an anatomic pathology & clinical pathology physician with a practice address in Rancho Mirage, California, and NPI 1255785747, issued on Apr 20, 2016. Check the license (California A159995, as entered in NPPES) on the Medical Board of California; the Medicare figures below come from public CMS files.

Record from CMS NPPES, file of Aug 9, 2026 · Medicare files 2023 · method · Verify with CMS →

NPPES recordNPPES file of Aug 9, 2026
1255785747
Name
Gabriel Alexander Giannini
Credential
M.D.
Primary taxonomy
Anatomic Pathology & Clinical Pathology Physician 207ZP0102X
License number
A159995 CA
Self-reported in NPPES; status is on the state search
Practice location
39000 Bob Hope Dr, Rancho Mirage, CA 92270
Phone
(760) 340-3911
Enumerated
Apr 20, 2016
Record last updated
Aug 14, 2025
Fax
(760) 773-1587
Medicare enrollment
Enrolled (PECOS I20220614000568); accepts Medicare assignment
Entity
Type 1 · individual
Public record from CMS NPPES (open it on the CMS NPI Registry). Enrollment, assignment, school and telehealth: CMS Doctors and Clinicians file, Aug 2026. A record is not a license: verify it with the state board.
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Also registered at 39000 Bob Hope Dr

A shared address usually means a shared clinic or building; it does not show who employs whom.

  1. Benedict Abaya, FNP-BC, FNP-CFamily Nurse Practitioner1417685462
  2. Mehrdad Abbasi, MDInternal Medicine Physician1477646776
  3. Ala Abojaradeh, MDStudent in an Organized Health Care Education/Training Program1316733900
  4. Naeem Abu-Shehab, M.D.Hospitalist Physician1134363252
  5. Roux Abubakar, MDHospitalist Physician1982223822
  6. Mohammad Abushehab, MDStudent in an Organized Health Care Education/Training Program1457293516

Verify Gabriel Alexander Giannini in five checks

  1. 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
  2. 2LicenseActive license and public ordersMedical Board of California
    Search for license A159995
    Check the board
  3. 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
  4. 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
  5. 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
Open the California license search

PlainDoctor does not match the HHS-OIG exclusion list to individual records: most entries carry no NPI. Search the OIG exclusion list by name.

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The practice group's MIPS final score for 2023 (Medicare payment program): 63.5 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.

  1. Qualityout of 100 · 30% of the final score53.4
  2. Costnot scored (reweighted)
  3. Promoting interoperabilitynot scored (reweighted)
  4. Improvement activities40 of 40 points · 15%100.0

Source: CMS Quality Payment Program, MIPS performance year 2023, group reporting; category weights for 2023 (qpp.cms.gov).

2 hospitals and group practices

  1. Eisenhower Medical CenterRancho Mirage, CA · Acute Care Hospitals4 of 5 stars
  2. Yosemite Pathology Medical Group IncModesto, CA

Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through); hospitals matched to CMS Hospital General Information (Care Compare) (data.cms.gov). Star ratings are CMS hospital ratings, not ratings of this provider.

Gabriel Alexander Giannini among 1,554 anatomic pathology & clinical pathology physician records in California

Gabriel Alexander Giannini, M.D. is one of 1,554 anatomic pathology & clinical pathology physician records with a practice address in California. 65% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2016, is newer than 85% of them.

  • NPI issued2016 · 85% of these records are older, 11% newer
  • In a Medicare fileYes · 65% of these records are
  • In the CMS Doctors and Clinicians fileYes · 57% of these records are
  • Graduated2015 · median 2003 among the 891 with a school on file
  • Record last updated2025 · 61% of these records were not updated in five years or more

Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 207ZP0102X and a California practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).

Anatomic Pathology & Clinical Pathology Physician providers in California

There are 1,554 anatomic pathology & clinical pathology physician records in California.

The 8 anatomic pathology & clinical pathology physician records with the nearest ZIP codes

  1. Scott Allen, MDRancho Mirage, CA 922701841436193
  2. Barbara Comess, MDRancho Mirage, CA 922701396739090
  3. Dennis Frisman, MDRancho Mirage, CA 922701295729242
  4. Masoud Movassaghi, MDRancho Mirage, CA 922701861998999
  5. Thong Nguyen, DORancho Mirage, CA 922701528263175
  6. Robin Rawson, M.D.Rancho Mirage, CA 922701033479282
  7. Patti Richardson, MDRancho Mirage, CA 922701598759151
  8. Daniel Schwartz, M.D.Rancho Mirage, CA 922701649348806

Common questions

What is Gabriel Alexander Giannini, M.D.'s NPI number?

Gabriel Alexander Giannini, M.D.'s National Provider Identifier (NPI) is 1255785747, issued on Apr 20, 2016. An NPI identifies a provider in billing; it is not a license.

Where is Gabriel Alexander Giannini, M.D. located?

The NPPES record lists a practice address at 39000 Bob Hope Dr, Rancho Mirage, CA, 92270. Phone: (760) 340-3911. Providers update this record themselves, so call before visiting.

How can I verify Gabriel Alexander Giannini, M.D.'s license?

NPPES lists California license number A159995, 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.

What is Gabriel Alexander Giannini, M.D.'s MIPS final score?

The 2023 MIPS final score is 63.5 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.