Ramin Zabihi, MD
NPI 1508867193 · Gastroenterology Physician · Mission Viejo, CA
Enrolled with Medicare as Practitioner - Gastroenterology · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Ramin Zabihi, MD is a Gastroenterology Physician provider in Mission Viejo, CA (NPI 1508867193).
Provider details
- NPI number
- 1508867193
- Entity type
- Individual
- Primary specialty
- Gastroenterology PhysicianAllopathic & Osteopathic Physicians
- Credential
- MD
- Sex
- Male
- Sole proprietor
- No
- License
- A50897 (CA)
Specialties & taxonomies
Allopathic & Osteopathic Physicians
Allopathic & Osteopathic Physicians
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure25% of score
20 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
473 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 | 179 | $131 |
| New Patient Office Or Other Outpatient Visit With Moderate Level of Medical Decision Making, If Using Time, 45 Minutes Or More99204 | 107 | $171 |
| Biopsy of Esophagus, Stomach, And/Or Upper Small Bowel Using a Flexible Endoscope43239 | 45 | $80 |
| Removal of Polyps Or Growths of Large Bowel Using an Endoscope With Mechanical Snare45385 | 41 | $242 |
| New Patient Office Or Other Outpatient Visit With Low Level of Medical Decision Making, If Using Time, 30 Minutes Or More99203 | 40 | $115 |
What this provider prescribes (Medicare Part D)
Top drugs by Medicare Part D claim volume, 2024 · 14 distinct drugs on file.
| Drug | Part D claims (2024) | Beneficiaries |
|---|---|---|
| Peg3350/Sod Sulf,bicarb,cl/Kclbrand: Gavilyte-C | 203 | 200 |
| Omeprazole | 101 | 66 |
| Mesalamine | 91 | 14 |
| Peg 3350/Sod Sulf,chlr/Pot/Magbrand: Suflave | 50 | 49 |
| Lipase/Protease/Amylasebrand: Zenpep | 42 | — |
| Famotidine | 33 | 20 |
| Sod Sulf/Pot Chloride/Mag Sulfbrand: Sutab | 31 |
Transparency — industry payments
Based on CMS Open Payments, 2024; not all care is captured.
$762 across 35 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
- 2005-08-03
- Last updated
- 2009-12-07
Frequently asked questions
- What is Ramin Zabihi's NPI number?
- Ramin Zabihi's National Provider Identifier (NPI) is 1508867193, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Ramin Zabihi's specialty?
- Ramin Zabihi is listed in the NPPES registry with a primary specialty of Gastroenterology Physician (Allopathic & Osteopathic Physicians).
- Where is Ramin Zabihi located?
- Ramin Zabihi's practice location on file with NPPES is 26800 Crown Valley Pkwy Ste 308, Mission Viejo, CA 92691-6384.
- What is Ramin Zabihi's phone number?
- The practice phone number listed in the NPPES registry for Ramin Zabihi is (949) 218-4488.
- Does Ramin Zabihi accept Medicare?
- Ramin Zabihi is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Ramin Zabihi's NPI active?
- Yes — Ramin Zabihi's NPI (1508867193) is active in the NPPES registry as of the last update on 2009-12-07.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.