What is Ryan Mezan's NPI number?

Ryan Mezan's National Provider Identifier (NPI) is 1295313153, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.

What is Ryan Mezan's specialty?

Ryan Mezan is listed in the NPPES registry with a primary specialty of Diagnostic Radiology Physician (Allopathic & Osteopathic Physicians).

Where is Ryan Mezan located?

Ryan Mezan's practice location on file with NPPES is 11234 Anderson St, Loma Linda, CA 92354-2804.

What is Ryan Mezan's phone number?

The practice phone number listed in the NPPES registry for Ryan Mezan is (909) 558-6131.

Is Ryan Mezan's NPI active?

Yes — Ryan Mezan's NPI (1295313153) is active in the NPPES registry as of the last update on 2026-06-01.

IndividualActive

Ryan Mezan, MD

NPI 1295313153 · Diagnostic Radiology Physician · Loma Linda, CA

Ryan Mezan, MD is a Diagnostic Radiology Physician provider in Loma Linda, CA (NPI 1295313153).

Provider details

NPI number: 1295313153
Entity type: Individual
Primary specialty: Diagnostic Radiology PhysicianAllopathic & Osteopathic Physicians
Credential: MD
Sex: Male
Sole proprietor: No
License: DR.0077210 (CO)

Specialties & taxonomies

Diagnostic Radiology PhysicianPrimary2085R0202XLicense DR.0077210 (CO)
Allopathic & Osteopathic Physicians

Profile Score

Established profile(72/100 index)

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

Registry tenure38% of score
5 yrs in NPPES registry
Profile completeness38% of score
100% of core fields populated
Practice footprint23% of score
4 documented practice locations

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

11234 Anderson St

Loma Linda, CA 92354-2804

Phone: (909) 558-6131

Street-level locationGet directions

More CA providers

Mailing address

Po Box 110429

Aurora, CO 80042-0429

Additional practice locations (3)

215 W Janss Rd
Thousand Oaks, CA 91360-1847
Phone: (805) 497-2727
12605 E 16th Ave
Aurora, CO 80045-2520
Phone: (720) 848-0000
1746 Cole Blvd Ste 100
Lakewood, CO 80401-3208
Phone: (303) 914-8800

Enumerated: 2021-03-31
Last updated: 2026-06-01
Certified: 2026-06-01

Frequently asked questions

What is Ryan Mezan's NPI number?: Ryan Mezan's National Provider Identifier (NPI) is 1295313153, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
What is Ryan Mezan's specialty?: Ryan Mezan is listed in the NPPES registry with a primary specialty of Diagnostic Radiology Physician (Allopathic & Osteopathic Physicians).
Where is Ryan Mezan located?: Ryan Mezan's practice location on file with NPPES is 11234 Anderson St, Loma Linda, CA 92354-2804.
What is Ryan Mezan's phone number?: The practice phone number listed in the NPPES registry for Ryan Mezan is (909) 558-6131.
Is Ryan Mezan's NPI active?: Yes — Ryan Mezan's NPI (1295313153) is active in the NPPES registry as of the last update on 2026-06-01.

Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.