Physician Profile
Unclaimed ProfileAbout GABRIEL
Mark Gabriel, D.O. is a healthcare provider in Highland, CA specializing in gastroenterology. According to Medicare claims data, Mark cared for 318 Medicare patients across 351 services.
Summarised automatically from public NPI registry and CMS Medicare data. Not written or reviewed by this provider. Claim this profile to replace it.
Education & Training
Areas of Expertise
Licensing & Certification
Source: NPPES NPI Registry
Contact Information
- (909) 862-1191
- Email not available
Practice Locations
7000 BOULDER AVE
Highland, CA 92346
Procedures Most Often Billed to Medicare
351 services · 318 patients · 9 distinct codes
| Procedure | Type | Code | Services |
|---|---|---|---|
| Biopsy of esophagus, stomach, and/or upper small bowel using a flexible endoscope | Procedure | 43239 |
40 |
| Diagnostic exam of large bowel using a flexible endoscope | Procedure | 45378 |
33 |
| Removal of polyps or growths of large bowel using an endoscope with mechanical snare | Procedure | 45385 |
31 |
| Biopsy of large bowel using a flexible endoscope | Procedure | 45380 |
22 |
| Diagnostic exam of esophagus, stomach, and/or upper small bowel using a flexible endoscope | Procedure | 43235 |
15 |
| Established patient office or other outpatient visit with low level od decision making, if using time, 20 minutes or more | Office visit | 99213 |
135 |
| New patient office or other outpatient visit with low level of medical decision making, if using time, 30 minutes or more | Office visit | 99203 |
39 |
| Colorectal cancer screening; colonoscopy on individual not meeting criteria for high risk | Billing code | G0121 |
23 |
| Initial hospital care with moderate level of medical decision making, if using time, at least 75 minutes | Office visit | 99223 |
13 |
Source: CMS Medicare public data. Shows how often procedures were billed — not quality of care or patient satisfaction.
Related providers
Connections drawn from the registry and from what providers have told us. A link here is not a referral or an endorsement.
Other gastroenterology specialists at this location 2
Same specialty, same street address — most likely the same department or group.
Related specialists at this location 1
Clinically related specialties at the same address — the people this provider most likely works alongside.
Also at this address 4
Providers at the same street address. Each files their own registry entry, so a shared practice often appears under several different names.
More connections — 25 related providers in 4 groups
Trained at Other 8
Other providers in the same specialty who trained at the same institution.
Class of 1991 at Other 8
Providers who graduated from the same medical school in the same year.
Also performs Biopsy of esophagus, stomach, and/or upper small bowel using a flexible endoscope 8
Providers in CA who bill this service to Medicare most often.
Common questions
What is Dr. Gabriel's specialty?
Dr. Gabriel is a gastroenterology in Highland, CA. This is the primary taxonomy recorded against the NPI in the federal registry, listed there as “GASTROENTEROLOGY”.
NPI registry
Where can I find Dr. Gabriel?
Dr. Gabriel is listed at 7000 BOULDER AVE, Highland, CA 92346. Addresses come from the NPI registry and can lag a move, so confirm before travelling.
NPI registry
How do I contact Dr. Gabriel?
The number on file is (909) 862-1191. Guide.md cannot book appointments or pass on messages — please call the office directly.
NPI registry
What is Dr. Gabriel's NPI number?
Dr. Gabriel's National Provider Identifier is 1982642724. It is issued by the Centers for Medicare & Medicaid Services and is unique and permanent — it does not change if they move practice.
NPI registry
What is Dr. Gabriel's medical education?
Dr. Gabriel attended Other, graduating in 1991. This comes from the CMS National Downloadable File.
CMS public data
How long has Dr. Gabriel been practicing?
Dr. Gabriel has 35 years experience. Calculated from a graduation year of 1991, reported in the CMS National Downloadable File.
CMS public data
What is Dr. Gabriel known for?
According to Medicare billing data, Dr. Gabriel performs procedures including biopsy of esophagus, stomach, and/or upper small bowel using a flexible endoscope, diagnostic exam of large bowel using a flexible endoscope and removal of polyps or growths of large bowel using an endoscope with mechanical snare, alongside routine visits and testing. This reflects Medicare patients only and is billing volume, not a measure of quality.
Medicare claims
Has Dr. Gabriel confirmed this information?
Not yet. This profile is built from public federal data and has not been confirmed by Dr. Gabriel. If this is you, claiming it is free.
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Claim this profileProvider data sourced from the NPPES NPI Registry and CMS public datasets. Information is provided for reference and is not medical advice.