DR. GABRIEL ALEXANDER GIANNINI M.D.
NPI 1255785747
Pathology - Anatomic Pathology & Clinical Pathology in Rancho Mirage, CA

Q: What is Gabriel Giannini's NPI number?

The NPI number for Gabriel Giannini is 1255785747. It was assigned to this individual provider in the NPPES registry on April 20, 2016.

Q: What is Gabriel Giannini's specialty?

The primary specialty registered for this NPI is Pathology, specializing in Anatomic Pathology & Clinical Pathology, with taxonomy code 207ZP0102X.

Q: When was this NPI record last updated?

The NPPES record for Gabriel Giannini was last updated on August 14, 2025. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 14 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.

Active since April 20, 2016PECOS EnrolledAccepts Medicare Assignment

63.51/100

CMS Quality Rating

39000 BOB HOPE DR, RANCHO MIRAGE, CA 92270(760) 340-3911(760) 773-1587 Get Directions Write a Review

NPPES record last updated: August 14, 2025. Verified against the NPPES registry weekly; last sync: October 25, 2026.

Record update history: Aug 14, 2025, Jun 22, 2023, Dec 13, 2022 and 2 more (5 updates tracked since 2021).

On this page

About Dr. Gabriel Alexander Giannini M.d. NPPES

Official registry information on file with the National Plan and Provider Enumeration System.

DR. GABRIEL ALEXANDER GIANNINI M.D. (NPI 1255785747) is an individual anatomic pathology & clinical pathology provider in Rancho Mirage, California, licensed in California (A159995) and active in the NPI registry since April 2016. He is enrolled in Medicare PECOS and is a graduate of Other (2015).

NPPES Registry Identity

NPI1255785747

Entity TypeIndividualMale

Primary Taxonomy207ZP0102X

Provider Legal NameDR. GABRIEL ALEXANDER GIANNINICredential: M.D.

Location Address39000 BOB HOPE DRRancho Mirage, CA 92270-3221

Mailing Address39000 Bob Hope DrRancho Mirage, CA 92270-3221 · (760) 340-3911 · Fax (760) 773-1587

Phone(760) 340-3911

Fax(760) 773-1587

Sole ProprietorNo

Medical School CMSOtherGraduated 2015

Enumeration DateApril 20, 2016

Last NPPES UpdateAugust 14, 20255 updates tracked since enumeration

NPPES CertifiedAugust 14, 2025

✔ NPI 1255785747 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyPathology · Anatomic Pathology & Clinical PathologyAllopathic & Osteopathic Physicians

Taxonomy Code207ZP0102X

License✔ Licensed in CA · A159995

Definition

A pathologist deals with the causes and nature of disease and contributes to diagnosis, prognosis and treatment through knowledge gained by the laboratory application of the biologic, chemical and physical sciences. A pathologist uses information gathered from the microscopic examination of tissue specimens, cells and body fluids, and from clinical laboratory tests on body fluids and secretions for the diagnosis, exclusion and monitoring of disease.

39000 BOB HOPE DR, Rancho Mirage, CA 92270

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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

Dr. Gabriel Alexander Giannini M.d. 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.

PECOS PAC ID6709281454

PECOS Enrollment IDI20220614000568

Eligible to Order & Refer✔ Part B Labs & Imaging✔ Durable Medical Equipment✔ Home Health Agency✔ Power Mobility DevicesPer the CMS Ordering and Referring file. Eligibility means Medicare pays claims that this provider orders or refers for these categories.

Medicare Billing Reassignments

Medicare enrollment records show Gabriel Giannini reassigns Medicare billing to 4 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.

Eisenhower Medical Center

Same address

General Acute Care Hospital

39000 BOB HOPE DR
Rancho Mirage, CA 92270

Reassigned Medicare billing, California enrollment
595 clinicians in this Medicare group

NPI 1013981554 (760) 340-3911

Regents Of The University Of California

85 mi

Anatomic Pathology & Clinical Pathology

101 THE CITY DR S
Orange, CA 92868

Reassigned Medicare billing, California enrollment
79 clinicians in this Medicare group

NPI 1558311811 (714) 456-6411

Yosemite Pathology Medical Group, Inc

375 mi

Anatomic Pathology & Clinical Pathology

4301 N STAR WAY
Modesto, CA 95356

Reassigned Medicare billing, California enrollment
77 clinicians in this Medicare group

NPI 1598760985 (209) 577-1200

Nephropathology Associates, Plc

1,373 mi

Anatomic Pathology

10810 EXECUTIVE CENTER DR, SUITE 100
Little Rock, AR 72211

Reassigned Medicare billing, Arkansas enrollment
36 clinicians in this Medicare group

NPI 1649545195 (501) 604-2695

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 20

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.

Pathology examination of tissue using a microscope, intermediate complexity 88305

A pathology examination of tissue with intermediate complexity involves studying a small sample of your body tissue under a microscope. This helps in identifying any abnormal cells or signs of disease. It's a detailed process requiring expert analysis to ensure accurate results.

827 services394 patients

Special stained specimen slides to examine tissue, each additional procedure 88341

Special stained specimen slides are used to analyze tissue in detail. In this process, extra procedures may be needed for a more thorough examination. These involve applying special stains to the tissue on slides, enhancing specific elements for closer study.

451 services101 patients

Special stained specimen slides to examine tissue, initial procedure 88342

This procedure involves the use of specially stained slides to examine tissue samples. The initial process involves obtaining a small tissue sample from your body. This sample is then placed on a slide and stained with special dyes to highlight different structures and elements. The stained slide is then examined under a microscope to help diagnose any potential health issues.

274 services189 patients

Special stained specimen slides to examine tissue including interpretation and report 88313

Special stained specimen slides are used to examine tissue samples. This involves applying special dyes to the tissue, which helps to highlight certain features under a microscope. The findings are then interpreted and a report is provided. This can aid in diagnosing various health conditions.

118 services71 patients

Pathology examination of tissue using a microscope, moderately high complexity 88307

A pathology examination of tissue with moderate complexity involves a detailed study of a small tissue sample from your body. Using a microscope, experts analyze the tissue's structure and cells to identify any abnormalities. This helps in diagnosing various health conditions accurately.

93 services65 patients

Pathology examination of tissue using a microscope, intermediate complexity 88305

85 services38 patients

Pathology examination of tissue using a microscope, moderately low complexity 88304

A pathology examination of tissue, moderately low complexity, involves studying a small sample of your body tissue under a microscope. It helps to identify any abnormal cells or diseases. It's a routine procedure, not complex, and provides crucial insights for your diagnosis.

80 services70 patients

Special stained specimen slides to examine tissue, each multiplex procedure 88344

Special stained specimen slides are used to study tissue in detail. This multiplex procedure involves applying different dyes to the tissue sample on a slide to highlight specific elements. These colors help identify any abnormalities in the tissue, aiding in accurate diagnosis and treatment planning.

79 services39 patients

Cell examination of specimen, selective cellular enhancement technique 88112

Cell examination of a specimen using selective cellular enhancement technique is a lab process that improves the visibility of certain cells in a sample. It helps in identifying abnormalities or diseases. The process is non-invasive, safe, and aids in accurate diagnosis.

65 services43 patients

Microscopic genetic analysis of tumor, manual 88360

Microscopic genetic analysis of a tumor involves examining your tumor's genes under a microscope. This helps identify specific genetic changes in the tumor cells. This information can aid in diagnosing, predicting disease progression, and determining the most effective treatment options.

55 services24 patients

Pathology examination of tissue using a microscope, limited examination 88300

A pathology examination of tissue using a microscope is a procedure where a small sample of your tissue is observed under a microscope. This limited examination helps identify any abnormal cells or signs of disease, aiding in accurate diagnosis and treatment planning.

50 services41 patients

Preparation of tissue for examination by removing any calcium present 88311

This procedure involves treating tissue samples to remove any calcium, which can interfere with the examination. The tissue is soaked in a special solution that safely dissolves the calcium, leaving the tissue intact for accurate analysis. This helps in making precise diagnoses.

47 services37 patients

Pap test, evaluation of fine needle aspirate, immediate, each additional evaluation episode 88177

A Pap test is a procedure that checks for abnormal cells in the body, which could indicate a serious condition. The evaluation of a fine needle aspirate is a process where a small sample is taken with a thin needle for examination. This can be done multiple times for a thorough analysis.

45 services15 patients

Evaluation of fine needle aspirate with interpretation and report 88173

This procedure involves using a thin needle to collect a small sample from an abnormal area or lump. The sample is then examined under a microscope to identify any potential issues. A report of the findings is provided for further analysis.

40 services26 patients

Special stained specimen slides to identify organisms including interpretation and report 88312

This service involves coloring specimen slides in a special way to help identify organisms. The colors make different parts of the organism stand out. Afterward, a detailed interpretation and report on the findings are provided.

39 services27 patients

Evaluation of fine needle aspirate 88172

Evaluation of fine needle aspirate is a diagnostic procedure where a thin needle is used to collect cells from a lump or mass. This sample is then examined under a microscope to determine the nature of the lump, whether it's benign (non-cancerous) or malignant (cancerous).

37 services26 patients

Special stained specimen slides to examine tissue, initial procedure 88342

23 services14 patients

Pathology cytologic examination of specimen during surgery, initial site 88333

A pathology cytologic examination during surgery involves taking a small sample of cells from the initial site of concern. This sample is then examined under a microscope by a pathologist to check for any abnormal or disease-causing cells. This helps guide the ongoing surgical procedure.

15 services15 patients

Blood smear interpretation by physician with written report 85060

Blood smear interpretation is a lab test where your doctor examines a sample of your blood under a microscope. They look for abnormalities in your blood cells which can help diagnose various conditions. You'll receive a written report of the findings.

12 services12 patients

Pathology examination of tissue using a microscope 88302

A pathology examination of tissue involves studying a small sample of your body's cells under a microscope. This helps identify any abnormalities or diseases, such as cancer. The process is crucial for accurate diagnosis and treatment planning.

11 services11 patients

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.

New Patient

$136.04 typical visit price

range $59.60 – $179.42

Typical copayment $34.01 (range $14.90 – $44.85)

Most-billed visit code 99204

Established Patient

$104.64 typical visit price

range $19.37 – $146.42

Typical copayment $26.16 (range $4.84 – $36.60)

Most-billed visit code 99214

Amounts reflect what Medicare beneficiaries in this ZIP area are typically charged for office visits. Patients with other coverage should check their individual plans.

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.

63.51/100

MIPS Final ScoreMerit-based Incentive Payment System · CMS Quality Payment Program

Scored as part of a group practice

Quality

53.38

Improvement Activities

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.

MS. NORMA ZAPATA LCSW

Social Worker (Clinical)

39000 BOB HOPE DR
RANCHO MIRAGE, CA 92270

Riverside County (760) 340-3911

ADELE ALEXANDRA FIELDS MD

Radiology (Diagnostic Radiology)

39000 BOB HOPE DR
RANCHO MIRAGE, CA 92270

Riverside County (760) 773-1574

DR. PETER JAMES SOFIA M.D.

Anesthesiology

39000 BOB HOPE DR
RANCHO MIRAGE, CA 92270

Riverside County (760) 340-3911

ANDREA VIRGINIA CORPORA PA-C

Thoracic Surgery (Cardiothoracic Vascular Surgery)

39000 BOB HOPE DR, K - 108
RANCHO MIRAGE, CA 92270

Riverside County (760) 568-4330

SEVWANDI DE SILVA M.D.

Internal Medicine (Pulmonary Disease)

39000 BOB HOPE DR
RANCHO MIRAGE, CA 92270

Riverside County (760) 834-3564

ERVIN XHUFKA NP

Nurse Practitioner (Family)

39000 BOB HOPE DR
RANCHO MIRAGE, CA 92270

Riverside County (760) 837-8542

LOGAN BUCKNER PT, DPT

Physical Therapist

39000 BOB HOPE DR
RANCHO MIRAGE, CA 92270

Riverside County (760) 340-3911

MOLLY E MCKEOWN PA-C

Physician Assistant

39000 BOB HOPE DR
RANCHO MIRAGE, CA 92270

Riverside County (760) 340-3911

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 Gabriel Giannini's NPI number?

The NPI number for Gabriel Giannini is 1255785747. It was assigned to this individual provider in the NPPES registry on April 20, 2016.

Where is Gabriel Giannini located?

Gabriel Giannini practices at 39000 Bob Hope Dr, Rancho Mirage, CA 92270. The listed phone number is (760) 340-3911.

What is Gabriel Giannini's specialty?

The primary specialty registered for this NPI is Pathology, specializing in Anatomic Pathology & Clinical Pathology, with taxonomy code 207ZP0102X.

Is Gabriel Giannini enrolled in Medicare?

Yes. Gabriel Giannini 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 Gabriel Giannini's services?

According to the CMS Revalidation Reassignment List (October 2026 release), Gabriel Giannini reassigns Medicare benefits to 4 organizations: Eisenhower Medical Center (Rancho Mirage, CA), Regents Of The University Of California (Orange, CA), Yosemite Pathology Medical Group, Inc (Modesto, CA) and Nephropathology Associates, Plc (Little Rock, AR). 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 Gabriel Giannini'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 Gabriel Giannini was last updated on August 14, 2025. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 14 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.