What is David Demian's NPI number?

David Demian's National Provider Identifier (NPI) is 1407745367, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.

What is David Demian's specialty?

David Demian is listed in the NPPES registry with a primary specialty of Psychiatry Physician (Allopathic & Osteopathic Physicians).

Where is David Demian located?

David Demian's practice location on file with NPPES is 400 N Pepper Ave, Colton, CA 92324-1819.

What is David Demian's phone number?

The practice phone number listed in the NPPES registry for David Demian is (877) 873-2762.

Is David Demian's NPI active?

Yes — David Demian's NPI (1407745367) is active in the NPPES registry as of the last update on 2026-01-12.

IndividualActive

David Demian

NPI 1407745367 · Psychiatry Physician · Colton, CA

David Demian is a Psychiatry Physician provider in Colton, CA (NPI 1407745367).

Provider details

NPI number: 1407745367
Entity type: Individual
Primary specialty: Psychiatry PhysicianAllopathic & Osteopathic Physicians
Sex: Male
Sole proprietor: No
License: G29678 (CA)

Specialties & taxonomies

Psychiatry PhysicianPrimary2084P0800XLicense G29678 (CA)
Allopathic & Osteopathic Physicians

Profile Score

Established profile(54/100 index)

A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.

Registry tenure38% of score
Under 1 yr in 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

400 N Pepper Ave

Colton, CA 92324-1819

Phone: (877) 873-2762

Street-level locationGet directions

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Mailing address