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RAMIN ZABIHI MD
NPI 1508867193
Internal Medicine - Gastroenterology in Mission Viejo, CA

Active since August 03, 2005PECOS EnrolledAccepts Medicare Assignment
26800 CROWN VALLEY PKWY STE 308, MISSION VIEJO, CA 92691(949) 218-4488 Get Directions Write a Review

NPPES record last updated: December 7, 2009. Verified against the NPPES registry weekly; last sync: November 01, 2026.

About Ramin Zabihi Md NPPES

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

RAMIN ZABIHI MD (NPI 1508867193) is an individual gastroenterology provider in Mission Viejo, California, licensed in California (A50897) and active in the NPI registry since August 2005. He is enrolled in Medicare PECOS and is a graduate of Other (1982).

NPPES Registry Identity

NPI1508867193
Entity TypeIndividualMale
Primary Taxonomy207RG0100X
Provider Legal NameRAMIN ZABIHICredential: MD
Location Address26800 CROWN VALLEY PKWY STE 308Mission Viejo, CA 92691-6384
Mailing Address26800 Crown Valley Pkwy Ste 308Mission Viejo, CA 92691-6384 · (949) 218-4488
Phone(949) 218-4488
Sole ProprietorNo
Medical School CMSOtherGraduated 1982
Enumeration DateAugust 3, 2005
Last NPPES UpdateDecember 7, 2009
✔ NPI 1508867193 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses 2

★ Primary SpecialtyInternal Medicine · GastroenterologyAllopathic & Osteopathic Physicians
Taxonomy Code207RG0100X
License✔ Licensed in CA · A50897
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.
Also ListedInternal MedicineTaxonomy 207R00000X · License A50897 (CA)
26800 CROWN VALLEY PKWY STE 308, Mission Viejo, CA 92691
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Other Identifiers 2

Medicare UPINF62408CA
Other00A508970CA · Medi Cal

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

Ramin Zabihi Md 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 ID8224132154
PECOS Enrollment IDI20070402000389
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 Reassignment

Medicare enrollment records show Ramin Zabihi reassigns Medicare billing to 1 organization. The organization bills Medicare for the services this provider delivers there.

Emergency Associates Corporation
74 mi
Emergency Medicine
39000 BOB HOPE DR
Rancho Mirage, CA 92270
  • Reassigned Medicare billing, California enrollment
  • 122 clinicians in this Medicare group
NPI 1003866120 (760) 340-3911

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 8

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 moderate level of decision making, if using time, 30 minutes or more 99214
This is a routine check-up for patients who have previously visited our clinic. It involves a comprehensive review of your health and any ongoing treatments. The consultation lasts between 30-39 minutes, allowing enough time to discuss any concerns.
179 services141 patients
New patient office or other outpatient visit with moderate level of medical decision making, if using time, 45 minutes or more 99204
This is a first-time office or outpatient visit lasting between 45-59 minutes. The healthcare provider evaluates your health, discusses your medical history, and may suggest further tests or treatments. It's an opportunity to ask questions and understand your health better.
107 services107 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.
45 services45 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.
41 services41 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.
40 services40 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 92691 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
$142.39 typical visit price
range $62.96 – $187.60
Typical copayment $35.59 (range $15.74 – $46.90)
Most-billed visit code 99204
Established Patient
$109.96 typical visit price
range $20.84 – $153.61
Typical copayment $27.49 (range $5.21 – $38.40)
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.

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 Ramin Zabihi's NPI number?

The NPI number for Ramin Zabihi is 1508867193. It was assigned to this individual provider in the NPPES registry on August 3, 2005.

Where is Ramin Zabihi located?

Ramin Zabihi practices at 26800 Crown Valley Pkwy Ste 308, Mission Viejo, CA 92691. The listed phone number is (949) 218-4488.

What is Ramin Zabihi's specialty?

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

Is Ramin Zabihi enrolled in Medicare?

Yes. Ramin Zabihi 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 organization bills Medicare for Ramin Zabihi's services?

According to the CMS Revalidation Reassignment List (October 2026 release), Ramin Zabihi reassigns Medicare benefits to Emergency Associates Corporation (Rancho Mirage, CA). The 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 Ramin Zabihi'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 Ramin Zabihi was last updated on December 7, 2009. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 16 years 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.