Recently Updated NPI Information — some details in this NPI profile have been updated in the NPI registry within the last 60 days.

DR. CURTIS A JOHNSTON M.D.
NPI 1669497657
Pathology - Anatomic Pathology & Clinical Pathology in Phoenix, AZ

Q: What is Curtis Johnston's NPI number?

The NPI number for Curtis Johnston is 1669497657. It was assigned to this individual provider in the NPPES registry on July 12, 2006.

Q: What is Curtis Johnston's specialty?

The primary specialty registered for this NPI is Pathology, specializing in Anatomic Pathology & Clinical Pathology, with taxonomy code 207ZP0102X.

Q: When was this NPI record last updated?

The NPPES record for Curtis Johnston was last updated on September 13, 2026. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 12 days 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.

Active since July 12, 2006

4610 SOUTH 44TH PLACE, PHOENIX, AZ 85040(602) 464-7500 Get Directions Write a Review

NPPES record last updated: September 13, 2026. Verified against the NPPES registry weekly; last sync: September 20, 2026.

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About Dr. Curtis A Johnston M.d. NPPES

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

DR. CURTIS A JOHNSTON M.D. (NPI 1669497657) is an individual anatomic pathology & clinical pathology provider in Phoenix, Arizona, licensed in Connecticut (35236) and active in the NPI registry since July 2006.

NPPES Registry Identity

NPI1669497657

Entity TypeIndividualMale

Primary Taxonomy207ZP0102X

Provider Legal NameDR. CURTIS A JOHNSTONCredential: M.D.

Location Address4610 SOUTH 44TH PLACEPhoenix, AZ 85040-4010

Mailing Address6655 North Macarthur Blvd., 3rd FloorIrving, TX 75039-2443 · (602) 464-7500

Phone(602) 464-7500

Sole ProprietorNo

Enumeration DateJuly 12, 2006

Last NPPES UpdateSeptember 13, 2026

✔ NPI 1669497657 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyPathology · Anatomic Pathology & Clinical PathologyAllopathic & Osteopathic Physicians

Taxonomy Code207ZP0102X

License✔ Licensed in CT · 35236

Definition

A pathologist deals with the causes and nature of disease and contributes to diagnosis, prognosis and treatment through knowledge gained by the laboratory application of the biologic, chemical and physical sciences. A pathologist uses information gathered from the microscopic examination of tissue specimens, cells and body fluids, and from clinical laboratory tests on body fluids and secretions for the diagnosis, exclusion and monitoring of disease.

4610 SOUTH 44TH PLACE, Phoenix, AZ 85040

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Other Identifiers 10

Other061344026CT · Oxford Health#

Other061344026CT · Cigna#

Other500HBL160CT01CT · Blue Care Family Plan

Other061344026CT · United Healthcare#

Other061344026CT · Aetna/us Hesalthcare#

Other500HBL160CT01CT · Bc/bs#

Other744026CT · Connecticare#

OtherC009155CT · Champus/tricare#

Other032344CT · Healthnet#

Medicaid001352369CT

Other Providers at the Same Location NPPES 10

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

CARIS MPI, INC.

Clinical Medical Laboratory