1. Home
  2. Directory
  3. California
  4. Redlands
  5. Radiology
  6. NPI Profile
Recently Updated NPI Information — some details in this NPI profile have been updated in the NPI registry within the last 30 days.

JOHN W MORTENSEN M.D.
NPI 1023057130
Radiology - Diagnostic Radiology in Redlands, CA

Active since June 05, 2006
2 W FERN AVE, REDLANDS, CA 92373(909) 793-3311(909) 796-4158 Get Directions Write a Review

NPPES record last updated: July 13, 2026. Verified against the NPPES registry weekly; last sync: July 26, 2026.

About John W Mortensen M.d. NPPES

Official registry information on file with the National Plan and Provider Enumeration System.

JOHN W MORTENSEN M.D. (NPI 1023057130) is an individual diagnostic radiology provider in Redlands, California, licensed in California (G15412) and active in the NPI registry since June 2006.

NPPES Registry Identity

NPI1023057130
Entity TypeIndividualMale
Primary Taxonomy2085R0202X
Provider Legal NameJOHN W MORTENSENCredential: M.D.
Location Address2 W FERN AVERedlands, CA 92373-5916
Mailing AddressPo Box 2200Redlands, CA 92373-0722 · (909) 793-3311 · Fax (909) 796-4158
Phone(909) 793-3311
Fax(909) 796-4158
Sole ProprietorNo
Enumeration DateJune 5, 2006
Last NPPES UpdateJuly 13, 2026
✔ NPI 1023057130 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyRadiology · Diagnostic RadiologyAllopathic & Osteopathic Physicians
Taxonomy Code2085R0202X
License✔ Licensed in CA · G15412
Definition
A radiologist who utilizes x-ray, radionuclides, ultrasound and electromagnetic radiation to diagnose and treat disease.
2 W FERN AVE, Redlands, CA 92373
Open in Google Maps ↗

Other Identifiers 1

Medicaid00G154122CA

Other Providers at the Same Location NPPES 20

Providers registered at the same practice address, or within the immediate area, according to the NPPES registry.

CYNTHIA L PACHECO AGACNP
Nurse Practitioner (Acute Care)
2 W FERN AVE
REDLANDS, CA 92373
San Bernardino County (909) 793-3311
MRS. LISA C ANDERSON N.P.
Nurse Practitioner
2 W FERN AVE
REDLANDS, CA 92373
San Bernardino County (909) 793-3311
MR. LUIS A SANCHEZ DO
Anesthesiology
2 W FERN AVE
REDLANDS, CA 92373
San Bernardino County (909) 793-3311
MADISON TUCKER ZAGURSKI PA-C
Physician Assistant (Medical)
2 W FERN AVE
REDLANDS, CA 92373
San Bernardino County (909) 792-2605
DR. BRADLEY BASINGER M.D.
Surgery
2 W FERN AVE
REDLANDS, CA 92373
San Bernardino County (909) 793-3311
NARMISHA VIJAY PATEL M.D
Hospitalist
2 W FERN AVE
REDLANDS, CA 92373
San Bernardino County (909) 583-2741
DR. KEVIN JAN CHAN MD
Hospitalist
2 W FERN AVE
REDLANDS, CA 92373
San Bernardino County (909) 793-3311
GORDON D PHILLIPS M.D.
Preventive Medicine (Public Health & General Preventive Medicine)
2 W FERN AVE
REDLANDS, CA 92373
San Bernardino County (909) 793-3311

Frequently Asked Questions NPPES & CMS

Common questions about this NPI record, answered from the official NPPES registry and CMS datasets shown on this page.

What is John Mortensen's NPI number?

The NPI number for John Mortensen is 1023057130. It was assigned to this individual provider in the NPPES registry on June 5, 2006.

Where is John Mortensen located?

John Mortensen practices at 2 W Fern Ave, Redlands, CA 92373. The listed phone number is (909) 793-3311.

What is John Mortensen's specialty?

The primary specialty registered for this NPI is Radiology, specializing in Diagnostic Radiology, with taxonomy code 2085R0202X.

When was this NPI record last updated?

The NPPES record for John Mortensen was last updated on July 13, 2026. NPI Profile syncs with the weekly NPPES data releases published by CMS.