DR. MARK GABRIEL D.O.
NPI 1982642724
Internal Medicine - Gastroenterology in Highland, CA

Active since June 03, 2006PECOS EnrolledAccepts Medicare Assignment
7000 BOULDER AVE, HIGHLAND, CA 92346(909) 862-1191(909) 796-4158 Get Directions Write a Review

NPPES record last updated: July 13, 2026. Verified against the NPPES registry weekly; last sync: October 25, 2026.

About Dr. Mark Gabriel D.o. NPPES

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

DR. MARK GABRIEL D.O. (NPI 1982642724) is an individual gastroenterology provider in Highland, California, licensed in California (20A6346) and active in the NPI registry since June 2006. He is enrolled in Medicare PECOS and is a graduate of Other (1991).

NPPES Registry Identity

NPI1982642724
Entity TypeIndividualMale
Primary Taxonomy207RG0100X
Provider Legal NameDR. MARK GABRIELCredential: D.O.
Location Address7000 BOULDER AVEHighland, CA 92346-3348
Mailing AddressPo Box 2200Redlands, CA 92373-0722 · (909) 793-3311 · Fax (909) 796-4158
Fax(909) 796-4158
Sole ProprietorNo
Medical School CMSOtherGraduated 1991
Enumeration DateJune 3, 2006
Last NPPES UpdateJuly 13, 2026
✔ NPI 1982642724 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyInternal Medicine · GastroenterologyAllopathic & Osteopathic Physicians
Taxonomy Code207RG0100X
License✔ Licensed in CA · 20A6346
Definition
An internist who specializes in diagnosis and treatment of diseases of the digestive organs including the stomach, bowels, liver and gallbladder. This specialist treats conditions such as abdominal pain, ulcers, diarrhea, cancer and jaundice and performs complex diagnostic and therapeutic procedures using endoscopes to visualize internal organs.
7000 BOULDER AVE, Highland, CA 92346

Other Identifiers 1

Medicaid020A63460CA

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. Mark Gabriel 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.

PECOS PAC ID8123054608
PECOS Enrollment IDI20090213000214
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

3

Medicare enrollment records show Mark Gabriel reassigns Medicare billing to 3 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.

Family Medicine
2 WEST FERN AVENUE
Redlands, CA 92373
  • Reassigned Medicare billing, California enrollment
  • 635 clinicians in this Medicare group
Gastroenterology
28078 BAXTER RD STE 530
Murrieta, CA 92563
  • Reassigned Medicare billing, California enrollment
  • 240 clinicians in this Medicare group
Gastroenterology
1330 N INDIAN CANYON DR, SUITE F
Palm Springs, CA 92262
  • Reassigned Medicare billing, California enrollment
  • Medicare enrollment name: Homan A Zadeh MD Mph Inc
  • 14 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 9

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.

Established patient office or other outpatient visit with low level od decision making, if using time, 20 minutes or more 99213
This is a routine visit for patients who have already been seen by the healthcare provider. During this approximately 20-29 minute appointment, your health status will be evaluated and any necessary treatments or tests will be discussed. It's a chance to address any health concerns you may have.
135 services102 patients
Biopsy of esophagus, stomach, and/or upper small bowel using a flexible endoscope 43239
This procedure involves using a thin, flexible tube with a light and camera, known as an endoscope, to examine the esophagus, stomach, and upper part of the small intestine. Small tissue samples are taken for further examination to help diagnose various conditions.
40 services40 patients
New patient office or other outpatient visit with low level of medical decision making, if using time, 30 minutes or more 99203
This service involves an initial office or outpatient visit for a new patient. The healthcare professional will spend 30-44 minutes understanding your health history, current issues, and discussing possible treatment plans. It's a comprehensive evaluation to start your healthcare journey.
39 services39 patients
Diagnostic exam of large bowel using a flexible endoscope 45378
This procedure, known as a colonoscopy, involves using a flexible tube with a light and camera to examine the large intestine. It helps detect any abnormalities such as polyps or inflammation. It's a standard procedure to ensure gut health.
33 services33 patients
Removal of polyps or growths of large bowel using an endoscope with mechanical snare 45385
This procedure involves using a thin, flexible tube called an endoscope to examine the large bowel. If any abnormal growths or polyps are found, a tool called a mechanical snare is used to remove them. This is a common method to prevent potential health issues.
31 services31 patients
Colorectal cancer screening; colonoscopy on individual not meeting criteria for high risk G0121
Colorectal cancer screening, such as a colonoscopy, is a preventive measure to detect early signs of cancer in the large intestine. For individuals not at high risk, it's typically recommended at age 50. A small, flexible tube with a camera is used to examine your colon. It's a safe, effective way to catch issues early.
23 services23 patients

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 92346 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.

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.

Family Medicine
7000 BOULDER AVE
HIGHLAND, CA 92346
Radiology (Diagnostic Radiology)
7000 BOULDER AVE
HIGHLAND, CA 92346
Orthopaedic Surgery
7000 BOULDER AVE
HIGHLAND, CA 92346
Nurse Practitioner (Family)
7000 BOULDER AVE
HIGHLAND, CA 92346
Nurse Practitioner (Family)
7000 BOULDER AVE
HIGHLAND, CA 92346
Physician Assistant
7000 BOULDER AVE
HIGHLAND, CA 92346
Clinical Medical Laboratory
7000 BOULDER AVE
HIGHLAND, CA 92346
Family Medicine
7000 BOULDER AVE
HIGHLAND, CA 92346

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 Mark Gabriel's NPI number?

The NPI number for Mark Gabriel is 1982642724. It was assigned to this individual provider in the NPPES registry on June 3, 2006.

Where is Mark Gabriel located?

Mark Gabriel practices at 7000 Boulder Ave, Highland, CA 92346. The listed phone number is (909) 862-1191.

What is Mark Gabriel's specialty?

The primary specialty registered for this NPI is Internal Medicine, specializing in Gastroenterology, with taxonomy code 207RG0100X.

Is Mark Gabriel enrolled in Medicare?

Yes. Mark Gabriel 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 Mark Gabriel's services?

According to the CMS Revalidation Reassignment List (October 2026 release), Mark Gabriel reassigns Medicare benefits to 3 organizations: Beaver Medical Group P C (Redlands, CA), United Medical Doctors (Murrieta, CA) and Homan A. Zadeh, M.D., M.P.H., Inc. (Palm Springs, 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 Mark Gabriel'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 Mark Gabriel was last updated on July 13, 2026. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 3 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.