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

W Maier Inc

Organization Emergency Medicine Physician · NPI 1376781765

W Maier Inc is an Emergency Medicine Physician in Lake Arrowhead, California. Licensed in California. Registered with an NPI since 2009.

Licensed in
CA
In the registry since
2009
Specialties on file
4
What do these letters mean?
Inc — Incorporated
A form of business registration, not a clinical qualification.

See every abbreviation used in this directory →

Practice location Address checks out

29099 Hospital Rd Ste 112
Lake Arrowhead, CA 92352
Phone: (909) 337-3661
Fax: (909) 337-3570
Show map & directions

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 G082114 (CA)
Emergency Medicine Physician Taxonomy 207P00000X · Licence G82114 (CA)
Public Health & General Preventive Medicine Physician Taxonomy 2083P0901X · Licence G82114 (CA)
General Practice Physician Taxonomy 208D00000X · Licence G82114 (CA)

Record details

NPI number1376781765
Entity typeOrganization (Type 2)
Organization subpartNo
Authorized official Walter Maier — President · (909) 337-3661
Other names Walter M. Maier M.D.
NPI enumeratedJanuary 23, 2009
Last updated in NPPESJune 26, 2009
Mailing addressPo Box 1141, Cedar Glen, CA 92321-1141

Other providers in Lake Arrowhead