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

Walter Martzen

Individual provider Student in an Organized Health Care Education/Training Program · NPI 1205550712

Walter Martzen is a Student in an Organized Health Care Education/Training Program in Monrovia, California. Registered with an NPI since 2022.

In the registry since
2022

Practice location Address checks out

1333 S Mayflower Ave Ste 220
Monrovia, CA 91016-5239
Phone: (818) 241-6780
Show map & directions

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

Specialties & licences

Student in an Organized Health Care Education/Training Program (primary) Taxonomy 390200000X

Record details

NPI number1205550712
Entity typeIndividual (Type 1)
GenderMale
Sole proprietorNo
NPI enumeratedSeptember 28, 2022
Last updated in NPPESAugust 19, 2024
Certification dateAugust 19, 2024
Mailing address1486 Huntington Ave Ste 100, South San Francisco, CA 94080-5971

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