Merrick Lopez, M.D.
NPI 1639387491 · Pediatrics Physician · Loma Linda, CA
Enrolled with Medicare as Practitioner - Critical Care (intensivists) · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Merrick Lopez, M.D. is a Pediatrics Physician provider in Loma Linda, CA (NPI 1639387491).
Provider details
- NPI number
- 1639387491
- Entity type
- Individual
- Primary specialty
- Pediatrics PhysicianAllopathic & Osteopathic Physicians
- Credential
- M.D.
- Sex
- Male
- Sole proprietor
- No
- License
- A98514 (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
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
- 2007-05-17
- Last updated
- 2011-01-25
Frequently asked questions
- What is Merrick Lopez's NPI number?
- Merrick Lopez's National Provider Identifier (NPI) is 1639387491, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Merrick Lopez's specialty?
- Merrick Lopez is listed in the NPPES registry with a primary specialty of Pediatrics Physician (Allopathic & Osteopathic Physicians).
- Where is Merrick Lopez located?
- Merrick Lopez's practice location on file with NPPES is 11234 Anderson St, Loma Linda, CA 92354-2804.
- What is Merrick Lopez's phone number?
- The practice phone number listed in the NPPES registry for Merrick Lopez is (909) 558-4000.
- Does Merrick Lopez accept Medicare?
- Merrick Lopez is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Merrick Lopez's NPI active?
- Yes — Merrick Lopez's NPI (1639387491) is active in the NPPES registry as of the last update on 2011-01-25.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.