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

PATRICIA C TREHARNE MD
NPI 1396701454
Internal Medicine in Phoenix, AZ

Q: What is Patricia Treharne's NPI number?

The NPI number for Patricia Treharne is 1396701454. It was assigned to this individual provider in the NPPES registry on April 25, 2006.

Q: What is Patricia Treharne's specialty?

The primary specialty registered for this NPI is Internal Medicine with taxonomy code 207R00000X.

Q: When was this NPI record last updated?

The NPPES record for Patricia Treharne was last updated on July 13, 2026. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 28 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 April 25, 2006

1300 N 12TH ST, PHOENIX, AZ 85006(602) 495-4863(602) 528-3120 Get Directions Write a Review

NPPES record last updated: July 13, 2026. Verified against the NPPES registry weekly; last sync: August 02, 2026.

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About Patricia C Treharne Md NPPES

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

PATRICIA C TREHARNE MD (NPI 1396701454) is an individual internal medicine provider in Phoenix, Arizona, licensed in Arizona (23376) and active in the NPI registry since April 2006.

NPPES Registry Identity

NPI1396701454

Entity TypeIndividualFemale

Primary Taxonomy207R00000X

Provider Legal NamePATRICIA C TREHARNECredential: MD

Location Address1300 N 12TH STPhoenix, AZ 85006-2848

Mailing Address1441 N 12th StPhoenix, AZ 85006-2837

Phone(602) 495-4863

Fax(602) 528-3120

Sole ProprietorNo

Enumeration DateApril 25, 2006

Last NPPES UpdateJuly 13, 2026

✔ NPI 1396701454 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyInternal MedicineAllopathic & Osteopathic Physicians

Taxonomy Code207R00000X

License✔ Licensed in AZ · 23376

Definition

A physician who provides long-term, comprehensive care in the office and the hospital, managing both common and complex illness of adolescents, adults and the elderly. Internists are trained in the diagnosis and treatment of cancer, infections and diseases affecting the heart, blood, kidneys, joints and digestive, respiratory and vascular systems. They are also trained in the essentials of primary care internal medicine, which incorporates an understanding of disease prevention, wellness, substance abuse, mental health and effective treatment of common problems of the eyes, ears, skin, nervous system and reproductive organs.

1300 N 12TH ST, Phoenix, AZ 85006

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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.

DR. DIANA LYNELLE DABELL M.D.

Emergency Medicine

1300 N 12TH ST, STE 301
PHOENIX, AZ 85006

Maricopa County (602) 839-6968

PINNACLE COLON AND RECTAL SURGEONS, PLLC

Specialist

1300 N 12TH ST, SUITE 619
PHOENIX, AZ 85006

Maricopa County (602) 714-5482

INTERNISTS, ONCOLOGISTS LTD

Internal Medicine (Hematology & Oncology)

1300 N 12TH ST, SUITE 612
PHOENIX, AZ 85006

Maricopa County (602) 258-4875

PHILIP KACZAR MD PC

Internal Medicine

1300 N 12TH ST, SUITE #516
PHOENIX, AZ 85006

Maricopa County (602) 252-3967

BARBARA J RUNQUIST NP

Nurse Practitioner

1300 N 12TH ST, SUITE 404
PHOENIX, AZ 85006

Maricopa County (602) 839-0265

DR. ROBERT DEAN RIERSON MD

Obstetrics & Gynecology

1300 N 12TH ST, SUITE 501
PHOENIX, AZ 85006

Maricopa County (602) 839-4915

MISS FARRAH L BLACK PA

Physician Assistant (Medical)

1300 N 12TH ST, STE 500
PHOENIX, AZ 85006

Maricopa County (602) 839-2606

VIKTORIA KRAJNC MD

Family Medicine

1300 N 12TH ST, SUITE 605
PHOENIX, AZ 85006

Maricopa County (602) 839-5271

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 Patricia Treharne's NPI number?

The NPI number for Patricia Treharne is 1396701454. It was assigned to this individual provider in the NPPES registry on April 25, 2006.

Where is Patricia Treharne located?

Patricia Treharne practices at 1300 N 12th St, Phoenix, AZ 85006. The listed phone number is (602) 495-4863.

What is Patricia Treharne's specialty?

The primary specialty registered for this NPI is Internal Medicine with taxonomy code 207R00000X.

When was this NPI record last updated?

The NPPES record for Patricia Treharne was last updated on July 13, 2026. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 28 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.