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

Dr. Walter M Maier, MD, MPH

Individual provider Emergency Medicine Physician · NPI 1235175233

Dr. Walter M Maier, MD, MPH is a Preventive Medicine in Lake Arrowhead, California. Graduated from Loma Linda University School of Medicine in 1993, 33 years ago. Accepts Medicare assignment. Licensed in California.

Years since qualifying
33
Trained at
Loma Linda University School of Medicine
Licensed in
CA
In the registry since
2006
Specialties on file
3
What do these letters mean?
MD — Doctor of Medicine
A physician who completed allopathic medical school.
MPH — Master of Public Health
A graduate degree in population health.

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Practice location Address checks out

29099 Hospital Rd Ste 112
Lake Arrowhead, CA 92352
Phone: (909) 337-3661
Fax: (909) 337-3570
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Pin is approximate — placed at the ZIP-code centre, not the exact door.

Specialties & licences

Preventive Medicine/Occupational Environmental Medicine Physician (primary) Taxonomy 2083P0500X · Licence G82114 (CA)
Emergency Medicine Physician Taxonomy 207P00000X · Licence G82114 (CA)
General Practice Physician Taxonomy 208D00000X · Licence G82114 (CA)

Record details

NPI number1235175233
Entity typeIndividual (Type 1)
GenderMale
Credentials MD , MPH
Sole proprietorNo
NPI enumeratedJune 20, 2006
Last updated in NPPESJune 16, 2009

Medicare enrollment

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

Medicare specialtyPREVENTIVE MEDICINE
Also practisesEMERGENCY MEDICINE, FAMILY PRACTICE
Medical schoolLOMA LINDA UNIVERSITY SCHOOL OF MEDICINE
Graduated 1993 (33 years in practice)
Accepts Medicare assignment Yes — accepts the Medicare-approved amount

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