Robert Allen, M.D.
NPI 1841202330 · Emergency Medicine Physician · Montclair, CA
Enrolled with Medicare as Practitioner - Internal Medicine · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Robert Allen, M.D. is a Emergency Medicine Physician provider in Montclair, CA (NPI 1841202330).
Provider details
- NPI number
- 1841202330
- Entity type
- Individual
- Primary specialty
- Emergency Medicine PhysicianAllopathic & Osteopathic Physicians
- Credential
- M.D.
- Sex
- Male
- Sole proprietor
- No
- License
- A51378 (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
- 2006-08-12
- Last updated
- 2020-10-19
- Certified
- 2020-10-19
Frequently asked questions
- What is Robert Allen's NPI number?
- Robert Allen's National Provider Identifier (NPI) is 1841202330, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Robert Allen's specialty?
- Robert Allen is listed in the NPPES registry with a primary specialty of Emergency Medicine Physician (Allopathic & Osteopathic Physicians).
- Where is Robert Allen located?
- Robert Allen's practice location on file with NPPES is 8891 Central Ave, Montclair, CA 91763-1618.
- What is Robert Allen's phone number?
- The practice phone number listed in the NPPES registry for Robert Allen is (909) 625-4848.
- Does Robert Allen accept Medicare?
- Robert Allen is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Robert Allen's NPI active?
- Yes — Robert Allen's NPI (1841202330) is active in the NPPES registry as of the last update on 2020-10-19.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.