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WALTER M. MAIER M.D.
NPI 1376781765
Preventive Medicine - Preventive Medicine/Occupational Environmental Medicine in Lake Arrowhead, CA

Active since January 23, 2009CLIA 05D0986240 · Waiver
29099 HOSPITAL ROAD, SUITE 112, LAKE ARROWHEAD, CA 92352(909) 337-3661(909) 337-3570 Get Directions Write a Review

NPPES record last updated: June 26, 2009. Verified against the NPPES registry weekly; last sync: July 26, 2026.

About Walter M. Maier M.d. NPPES

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

WALTER M. MAIER M.D. (NPI 1376781765) is a healthcare organization registered as a preventive medicine/occupational environmental medicine in Lake Arrowhead, California and active in the NPI registry since January 2009. The organization holds a CLIA Waiver certificate valid through May 9, 2027 and lists Walter Markus Maier, President, as its authorized official.

NPPES Registry Identity

NPI1376781765
Entity TypeOrganization
Primary Taxonomy2083P0500X
Legal Business NameW MAIER INC
Location Address29099 HOSPITAL ROAD, SUITE 112Lake Arrowhead, CA 92352
Mailing AddressPo Box 1141Cedar Glen, CA 92321-1141 · (909) 337-3661 · Fax (909) 337-3570
Phone(909) 337-3661
Fax(909) 337-3570
Organization SubpartNo
Authorized OfficialWalter Markus MaierPresident · (909) 337-3661
Enumeration DateJanuary 23, 2009
Last NPPES UpdateJune 26, 2009
✔ NPI 1376781765 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses 4

★ Primary SpecialtyPreventive Medicine · Preventive Medicine/Occupational Environmental MedicineAllopathic & Osteopathic Physicians
Taxonomy Code2083P0500X
License✔ Licensed in CA · G082114
Definition

A preventive medicine physician who specializes in preventive medicine/occupational-environmental medicine, which is focused on protecting the population from occupational and environmental conditions.

Also ListedEmergency MedicineTaxonomy 207P00000X · License G82114 (CA)
Also ListedPreventive Medicine · Public Health & General Preventive MedicineTaxonomy 2083P0901X · License G82114 (CA)
Also ListedGeneral PracticeTaxonomy 208D00000X · License G82114 (CA)
29099 HOSPITAL ROAD, Lake Arrowhead, CA 92352
Open in Google Maps ↗

Other Names 1

Other NameWalter M. Maier M.d.

Other Identifiers 2

Medicare PINBG519CA
Medicare UPING04002CA

Group Practice 1

Group TaxonomyThis provider is a business group of one or more individual practitioners, who practice with different areas of specialization.193200000X MULTI-SPECIALTY GROUP

CLIA Laboratory Certificates CMS CLIA

Laboratory certificates issued under the Clinical Laboratory Improvement Amendments (CLIA) program, which sets federal quality standards for human laboratory testing in the United States. There is no official CMS crosswalk between CLIA and NPI numbers; these certificates are associated with this NPI by matching facility names, locations and phone numbers in the CMS CLIA registry.

Certificate of Waiver 05D0986240

W Maier Inc · Lake Arrowhead, CA
Active · expires May 9, 2027
CLIA Number05D0986240
Laboratory TypePhysician Office
Certificate Effective DateMay 10, 2025
Certificate Expiration DateMay 9, 2027
Laboratory DirectorWalter Maier, MD
Laboratory Phone(909) 337-3661
Laboratory LocationW Maier Inc29099 Hospital Rd, Suite 112, Lake Arrowhead, CA 92352
CLIA data matches this NPI record on: Address Name Phone
This certificate is issued to a laboratory to perform only waived tests.

Other Providers at the Same Location NPPES 11

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

DR. WALTER M MAIER MD,MPH
Preventive Medicine (Preventive Medicine/Occupational Environmental Medicine)
29099 HOSPITAL ROAD, SUITE 112
LAKE ARROWHEAD, CA 92352
San Bernardino County (909) 337-3661
ORTHOPAEDIC MEDICAL GROUP OF RIVERSIDE, INC.
Orthopaedic Surgery
29099 HOSPITAL ROAD, SUITE 112
LAKE ARROWHEAD, CA 92352
San Bernardino County (909) 337-9300
DR. GUY GERALD GIACOPUZZI DDS
Dentist
29099 HOSPITAL ROAD, SUITE 208
LAKE ARROWHEAD, CA 92352
San Bernardino County (909) 337-9879
MICHELLE ELY RICARDO MOTR
Occupational Therapist
29099 HOSPITAL ROAD, 106
LAKE ARROWHEAD, CA 92352
San Bernardino County (909) 337-0844
MRS. SHELLEY R HASSELMAN NP
Nurse Practitioner (Primary Care)
29099 HOSPITAL ROAD, SUITE 204B
LAKE ARROWHEAD, CA 92352
San Bernardino County (909) 337-7771
LAWRENCE R. WALKER MD
Orthopaedic Surgery
29099 HOSPITAL ROAD, SUITE 114
LAKE ARROWHEAD, CA 92352
San Bernardino County (909) 726-6100
KYI KYI THWIN WIN MD INC
Specialist
29099 HOSPITAL ROAD, STE 107
LAKE ARROWHEAD, CA 92352
San Bernardino County (909) 337-0059
DR. JONATHAN REED PT
Physical Therapist
29099 HOSPITAL ROAD, SUITE 106
LAKE ARROWHEAD, CA 92352
San Bernardino County (909) 337-0844

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 W Maier Inc's NPI number?

The NPI number for W Maier Inc is 1376781765. It was assigned to this organization in the NPPES registry on January 23, 2009. The provider is also known as Walter M. Maier M.D..

Where is W Maier Inc located?

W Maier Inc is located at 29099 Hospital Road Suite 112, Lake Arrowhead, CA 92352. The listed phone number is (909) 337-3661.

What is W Maier Inc's specialty?

The primary specialty registered for this NPI is Preventive Medicine, specializing in Preventive Medicine/Occupational Environmental Medicine, with taxonomy code 2083P0500X.

Does W Maier Inc hold a CLIA laboratory certificate?

Yes. A Certificate of Waiver (number 05D0986240) is associated with this NPI, valid through May 9, 2027. CLIA certificates authorize laboratory testing under the federal Clinical Laboratory Improvement Amendments program.

When was this NPI record last updated?

The NPPES record for W Maier Inc was last updated on June 26, 2009. NPI Profile syncs with the weekly NPPES data releases published by CMS.