Provider records sourced from NPPES (CMS National Plan & Provider Enumeration System). Data current as of August 10, 2026.
NPIDirectory

Irwin R Maier, MD

Individual provider Diagnostic Radiology Physician · NPI 1275538431

Irwin R Maier, MD is a Diagnostic Radiology in Red Bluff, California. Graduated from Loma Linda University School of Medicine in 1995, 31 years ago. Practices with Northern California Imaging Associates Medical Group Inc, a 2-clinician group and accepts Medicare assignment. Licensed in California.

Years since qualifying
31
Trained at
Loma Linda University School of Medicine
Licensed in
CA
In the registry since
2005
What do these letters mean?
MD — Doctor of Medicine
A physician who completed allopathic medical school.

See every abbreviation used in this directory →

Claim this listing Report a problem Suggest an edit

Practice location Address checks out

21320 Penneleme Rd
Red Bluff, CA 96080-7992
Phone: (952) 595-1100
Fax: (612) 294-4903
Show map & directions

Directions in Google Maps · Apple Maps · OpenStreetMap

Pin is approximate — placed at the ZIP-code centre, not the exact door.

Specialties & licences

Diagnostic Radiology Physician (primary) Taxonomy 2085R0202X · Licence A61466 (CA)

Record details

NPI number1275538431
Entity typeIndividual (Type 1)
GenderMale
Credentials MD
Sole proprietorNo
NPI enumeratedJune 15, 2005
Last updated in NPPESJanuary 9, 2017
Mailing address11995 Singletree Ln, Ste 500, Eden Prairie, MN 55344-5347

Medicare enrollment

From the CMS Doctors & Clinicians file — this clinician is enrolled in Medicare.

Medicare specialtyDIAGNOSTIC RADIOLOGY
Also practisesINTERVENTIONAL RADIOLOGY
Medical schoolLOMA LINDA UNIVERSITY SCHOOL OF MEDICINE
Graduated 1995 (31 years in practice)
Group practice Northern California Imaging Associates Medical Group Inc — 2 clinicians
Accepts Medicare assignment Yes — accepts the Medicare-approved amount

Other providers in Red Bluff