Richard a Guerrero Jr MD a Medical Corporation
NPI 1518112382 · Surgery Physician · Fountain Valley, CA
Enrolled with Medicare as Part B Supplier - Clinic/Group Practice · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Richard a Guerrero Jr MD a Medical Corporation is a Surgery Physician organization in Fountain Valley, CA (NPI 1518112382).
Provider details
- NPI number
- 1518112382
- Entity type
- Organization
- Primary specialty
- Surgery PhysicianAllopathic & Osteopathic Physicians
- Organization subpart
- No
- Authorized official
- Richard Guerrero, President(714) 617-4733
- License
- A79327 (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
17 yrs in NPPES registry
- Profile completeness38% of score
100% of core fields populated
- Practice footprint23% of score
1 documented practice location
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
Registry dates
- Enumerated
- 2008-11-20
- Last updated
- 2019-06-09
Frequently asked questions
- What is Richard a Guerrero Jr MD a Medical Corporation's NPI number?
- Richard a Guerrero Jr MD a Medical Corporation's National Provider Identifier (NPI) is 1518112382, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What type of organization is Richard a Guerrero Jr MD a Medical Corporation?
- Richard a Guerrero Jr MD a Medical Corporation is classified in the NPPES registry as Surgery Physician (Allopathic & Osteopathic Physicians).
- Where is Richard a Guerrero Jr MD a Medical Corporation located?
- Richard a Guerrero Jr MD a Medical Corporation's practice location on file with NPPES is 11100 Warner Ave Ste 266, Fountain Valley, CA 92708-7512.
- What is Richard a Guerrero Jr MD a Medical Corporation's phone number?
- The practice phone number listed in the NPPES registry for Richard a Guerrero Jr MD a Medical Corporation is (714) 617-4733.
- Does Richard a Guerrero Jr MD a Medical Corporation accept Medicare?
- Richard a Guerrero Jr MD a Medical Corporation 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 Richard a Guerrero Jr MD a Medical Corporation?
- The authorized official listed on Richard a Guerrero Jr MD a Medical Corporation's NPPES record is Richard Guerrero, President. The authorized official registers and maintains the organization's NPI and is not necessarily its owner.
- Is Richard a Guerrero Jr MD a Medical Corporation's NPI active?
- Yes — Richard a Guerrero Jr MD a Medical Corporation's NPI (1518112382) is active in the NPPES registry as of the last update on 2019-06-09.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.