Gonzalo Montalvan, M.D.
NPI 1851336127 · Legal Medicine · Long Beach, CA
Enrolled with Medicare as Practitioner - Internal Medicine · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Gonzalo Montalvan, M.D. is a Legal Medicine provider in Long Beach, CA (NPI 1851336127).
Provider details
- NPI number
- 1851336127
- Entity type
- Individual
- Primary specialty
- Legal MedicineOther Service Providers
- Credential
- M.D.
- Sex
- Male
- Sole proprietor
- Yes
- License
- A40568 (CA)
Specialties & taxonomies
Other Service Providers
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure38% of score
20 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
- 2006-06-19
- Last updated
- 2011-01-31
Frequently asked questions
- What is Gonzalo Montalvan's NPI number?
- Gonzalo Montalvan's National Provider Identifier (NPI) is 1851336127, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Gonzalo Montalvan's specialty?
- Gonzalo Montalvan is listed in the NPPES registry with a primary specialty of Legal Medicine (Other Service Providers).
- Where is Gonzalo Montalvan located?
- Gonzalo Montalvan's practice location on file with NPPES is 3815 Atlantic Ave, Long Beach, CA 90807-3500.
- What is Gonzalo Montalvan's phone number?
- The practice phone number listed in the NPPES registry for Gonzalo Montalvan is (562) 426-9482.
- Does Gonzalo Montalvan accept Medicare?
- Gonzalo Montalvan is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Gonzalo Montalvan's NPI active?
- Yes — Gonzalo Montalvan's NPI (1851336127) is active in the NPPES registry as of the last update on 2011-01-31.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.