Brian Riff, MD
NPI 1194969030 · Gastroenterology Physician · Anaheim, CA
Enrolled with Medicare as Practitioner - Gastroenterology · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Brian Riff, MD is a Gastroenterology Physician provider in Anaheim, CA (NPI 1194969030).
Provider details
- NPI number
- 1194969030
- Entity type
- Individual
- Primary specialty
- Gastroenterology PhysicianAllopathic & Osteopathic Physicians
- Credential
- MD
- Sex
- Male
- Sole proprietor
- No
- License
- A143535 (CA)
Specialties & taxonomies
Allopathic & Osteopathic Physicians
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure25% of score
17 yrs in NPPES registry
- Profile completeness25% of score
100% of core fields populated
- Practice footprint15% of score
1 documented practice location
- Medicare service volume (vs. specialty peers)25% of score
997 Medicare services, 2024 (ranked within specialty)
- Open Payments transparency10% of score
Has Open Payments disclosures (2024)
Medicare volume is ranked against active providers in the same specialty. Signals a provider has no public data for (e.g. Medicare claims) are left out of the score entirely — never counted as zero — so providers without that data are not penalized. See the full formula and weights in our .
What this provider does (Medicare)
Based on Medicare fee-for-service claims, 2024; not all care is captured.
| Service (HCPCS) | Medicare services | Typical Medicare-allowed (2024) |
|---|---|---|
| Established Patient Office Or Other Outpatient Visit With Moderate Level of Decision Making, If Using Time, 30 Minutes Or More99214 | 291 | $129 |
| Subsequent Hospital Care With Moderate Levelof Medical Decision Making, If Using Time, at Least 50 Minutes99233 | 135 | $113 |
| Initial Hospital Care With Straightforward Or Low-Level Medical Decision Making, If Using Time, at Least 55 Minutes99222 | 103 | $125 |
| Injection of Drug Or Substance Under Skin Or Into Muscle96372 | 85 | $15 |
| New Patient Office Or Other Outpatient Visit With Moderate Level of Medical Decision Making, If Using Time, 45 Minutes Or More99204 | 80 | $166 |
| Biopsy of Esophagus, Stomach, And/Or Upper Small Bowel Using a Flexible Endoscope |
What this provider prescribes (Medicare Part D)
Top drugs by Medicare Part D claim volume, 2024 · 35 distinct drugs on file.
| Drug | Part D claims (2024) | Beneficiaries |
|---|---|---|
| Omeprazole | 285 | 95 |
| Sodium, Potassium,mag Sulfatesbrand: Sod Sulf-Potass Sulf-Mag Sulf | 192 | 191 |
| Pantoprazole Sodium | 163 | 48 |
| Linaclotidebrand: Linzess | 116 | 24 |
| Famotidine | 68 | 24 |
| Mesalamine | 46 | — |
| Dicyclomine Hcl | 43 | 15 |
Transparency — industry payments
Based on CMS Open Payments, 2024; not all care is captured.
$45,218 across 151 records (Open Payments 2024)
Open Payments discloses payments and transfers of value (meals, travel, consulting, research, royalties) from drug and device makers to providers. This is a transparency signal, not a verdict — such payments are legal and common, and their presence is neither an endorsement nor a criticism. Source: CMS Open Payments, program year 2024.
Practice location
Mailing address
Registry dates
- Enumerated
- 2009-04-22
- Last updated
- 2018-04-17
Frequently asked questions
- What is Brian Riff's NPI number?
- Brian Riff's National Provider Identifier (NPI) is 1194969030, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Brian Riff's specialty?
- Brian Riff is listed in the NPPES registry with a primary specialty of Gastroenterology Physician (Allopathic & Osteopathic Physicians).
- Where is Brian Riff located?
- Brian Riff's practice location on file with NPPES is 1211 W La Palma Ave Ste 306, Anaheim, CA 92801-2811.
- What is Brian Riff's phone number?
- The practice phone number listed in the NPPES registry for Brian Riff is (714) 778-1300.
- Does Brian Riff accept Medicare?
- Brian Riff is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Brian Riff's NPI active?
- Yes — Brian Riff's NPI (1194969030) is active in the NPPES registry as of the last update on 2018-04-17.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.