South Orange County Gastroenterology Inc
NPI 1861612293 · Gastroenterology Physician · Mission Viejo, CA
Enrolled with Medicare as Part B Supplier - Clinic/Group Practice · source: CMS PECOS Public Provider Enrollment (2026.04.01)
South Orange County Gastroenterology Inc is a Gastroenterology Physician organization in Mission Viejo, CA (NPI 1861612293).
Provider details
- NPI number
- 1861612293
- Entity type
- Organization
- Primary specialty
- Gastroenterology PhysicianAllopathic & Osteopathic Physicians
- Organization subpart
- No
- Authorized official
- Nader Mirhoseni, President(949) 348-2900
- License
- A85775 (CA)
Specialties & taxonomies
Allopathic & Osteopathic Physicians
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure38% of score
19 yrs in NPPES registry
- Profile completeness38% of score
100% of core fields populated
- Practice footprint23% of score
2 documented practice locations
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 methodology.
Practice location
Mailing address
Additional practice locations (1)
- 26921 Crown Valley PkwySuite 201Mission Viejo, CA 92691-6501Phone: (949) 348-2900Fax: (949) 348-0960
Registry dates
- Enumerated
- 2007-04-26
- Last updated
- 2020-10-21
- Certified
- 2020-10-21
Frequently asked questions
- What is South Orange County Gastroenterology Inc's NPI number?
- South Orange County Gastroenterology Inc's National Provider Identifier (NPI) is 1861612293, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What type of organization is South Orange County Gastroenterology Inc?
- South Orange County Gastroenterology Inc is classified in the NPPES registry as Gastroenterology Physician (Allopathic & Osteopathic Physicians).
- Where is South Orange County Gastroenterology Inc located?
- South Orange County Gastroenterology Inc's practice location on file with NPPES is 26691 Plaza Ste 150, Mission Viejo, CA 92691-6329.
- What is South Orange County Gastroenterology Inc's phone number?
- The practice phone number listed in the NPPES registry for South Orange County Gastroenterology Inc is (949) 348-2900.
- Does South Orange County Gastroenterology Inc accept Medicare?
- South Orange County Gastroenterology Inc is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Who is the authorized official for South Orange County Gastroenterology Inc?
- The authorized official listed on South Orange County Gastroenterology Inc's NPPES record is Nader Mirhoseni, President. The authorized official registers and maintains the organization's NPI and is not necessarily its owner.
- Is South Orange County Gastroenterology Inc's NPI active?
- Yes — South Orange County Gastroenterology Inc's NPI (1861612293) is active in the NPPES registry as of the last update on 2020-10-21.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.