Recently Updated NPI Information — some details in this NPI profile have been updated in the NPI registry within the last 30 days.

DR. JOHN F. ZDROJEWSKI M.D.
NPI 1285673772
Dermatology in Highland, CA

Active since June 06, 2006
7000 BOULDER AVE, HIGHLAND, CA 92346(909) 862-1191(909) 796-4158 Get Directions Write a Review

NPPES record last updated: July 13, 2026. Verified against the NPPES registry weekly; last sync: July 26, 2026.

About Dr. John F. Zdrojewski M.d. NPPES

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

DR. JOHN F. ZDROJEWSKI M.D. (NPI 1285673772) is an individual dermatology provider in Highland, California, licensed in California (A45649) and active in the NPI registry since June 2006.

NPPES Registry Identity

NPI1285673772
Entity TypeIndividualMale
Primary Taxonomy207N00000X
Provider Legal NameDR. JOHN F. ZDROJEWSKICredential: M.D.
Location Address7000 BOULDER AVEHighland, CA 92346-3348
Mailing AddressPo Box 2200Redlands, CA 92373-0722 · (909) 793-3311 · Fax (909) 796-4158
Fax(909) 796-4158
Sole ProprietorNo
Enumeration DateJune 6, 2006
Last NPPES UpdateJuly 13, 2026
NPI 1285673772 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

Primary SpecialtyDermatologyAllopathic & Osteopathic Physicians
Taxonomy Code207N00000X
License Licensed in CA · A45649
Definition

A dermatologist is trained to diagnose and treat pediatric and adult patients with benign and malignant disorders of the skin, mouth, external genitalia, hair and nails, as well as a number of sexually transmitted diseases. The dermatologist has had additional training and experience in the diagnosis and treatment of skin cancers, melanomas, moles and other tumors of the skin, the management of contact dermatitis and other allergic and nonallergic skin disorders, and in the recognition of the skin manifestations of systemic (including internal malignancy) and infectious diseases. Dermatologists have special training in dermatopathology and in the surgical techniques used in dermatology. They also have expertise in the management of cosmetic disorders of the skin such as hair loss and scars and the skin changes associated with aging.

7000 BOULDER AVE, Highland, CA 92346

Other Identifiers 1

Medicaid00G337080CA

Other Providers at the Same Location NPPES 20

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

Family Medicine
7000 BOULDER AVE
HIGHLAND, CA 92346
Radiology (Diagnostic Radiology)
7000 BOULDER AVE
HIGHLAND, CA 92346
Orthopaedic Surgery
7000 BOULDER AVE
HIGHLAND, CA 92346
Nurse Practitioner (Family)
7000 BOULDER AVE
HIGHLAND, CA 92346
Nurse Practitioner (Family)
7000 BOULDER AVE
HIGHLAND, CA 92346
Physician Assistant
7000 BOULDER AVE
HIGHLAND, CA 92346
Clinical Medical Laboratory
7000 BOULDER AVE
HIGHLAND, CA 92346
Family Medicine
7000 BOULDER AVE
HIGHLAND, CA 92346

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 Zdrojewski's NPI number?

The NPI number for John Zdrojewski is 1285673772. It was assigned to this individual provider in the NPPES registry on June 6, 2006.

Where is John Zdrojewski located?

John Zdrojewski practices at 7000 Boulder Ave, Highland, CA 92346. The listed phone number is (909) 862-1191.

What is John Zdrojewski's specialty?

The primary specialty registered for this NPI is Dermatology with taxonomy code 207N00000X.

When was this NPI record last updated?

The NPPES record for John Zdrojewski was last updated on July 13, 2026. NPI Profile syncs with the weekly NPPES data releases published by CMS.