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DR. JOHN LAWRENCE SCHALLER M.D., M.P.H.
NPI 1093830333
Preventive Medicine - Preventive Medicine/Occupational Environmental Medicine in Phoenix, AZ

Active since March 19, 2007
4645 E COTTON CENTER BLVD BLDG 1 # 200, PHOENIX, AZ 85040(602) 659-1123 Get Directions Write a Review

NPPES record last updated: September 11, 2025. Verified against the NPPES registry weekly; last sync: August 02, 2026.

About Dr. John Lawrence Schaller M.d., M.p.h. NPPES

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

DR. JOHN LAWRENCE SCHALLER M.D., M.P.H. (NPI 1093830333) is an individual preventive medicine/occupational environmental medicine provider in Phoenix, Arizona, licensed in California (G66859) and active in the NPI registry since March 2007.

NPPES Registry Identity

NPI1093830333
Entity TypeIndividualMale
Primary Taxonomy2083P0500X
Provider Legal NameDR. JOHN LAWRENCE SCHALLERCredential: M.D., M.P.H.
Location Address4645 E COTTON CENTER BLVD BLDG 1 # 200Phoenix, AZ 85040-8874
Mailing Address4645 E Cotton Center Blvd Bldg 1 # 200Phoenix, AZ 85040-8874 · (602) 659-1123
Phone(602) 659-1123
Sole ProprietorYes
Enumeration DateMarch 19, 2007
Last NPPES UpdateSeptember 11, 2025
✔ NPI 1093830333 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses 2

★ Primary SpecialtyPreventive Medicine · Preventive Medicine/Occupational Environmental MedicineAllopathic & Osteopathic Physicians
Taxonomy Code2083P0500X
Licenses✔ Licensed in CA · G66859✔ Licensed in AZ · 17949
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 ListedInternal MedicineTaxonomy 207R00000X · License 17949 (AZ), G66859 (CA)
4645 E COTTON CENTER BLVD BLDG 1 # 200, Phoenix, AZ 85040
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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 John Schaller's NPI number?

The NPI number for John Schaller is 1093830333. It was assigned to this individual provider in the NPPES registry on March 19, 2007.

Where is John Schaller located?

John Schaller practices at 4645 E Cotton Center Blvd Bldg 1 # 200, Phoenix, AZ 85040. The listed phone number is (602) 659-1123.

What is John Schaller's specialty?

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

When was this NPI record last updated?

The NPPES record for John Schaller was last updated on September 11, 2025. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 10 months ago. If this record has changed at CMS more recently, you can request an on-demand re-check against the live CMS registry, directly from this page.