Independent US Healthcare Provider Directory & Public Medical Database
Active NPI 1205525540 Individual Practitioner Male Practitioner

Dr. Brian Anthony Parker , MD

Internal Medicine • Phoenix, AZ

Professional Overview & Biography Verified Profile Summary

Dr. Brian Parker, MD is a registered healthcare professional specializing in Internal Medicine in Phoenix, AZ. Practice services are available at 4840 E INDIAN SCHOOL RD STE 101 under active NPI credentials.

Practice Location & Contact Primary Location

Practice Address

4840 E Indian School Rd Ste 101

Phoenix, AZ 850185500

Telephone 6025221900
Fax 6023813281
Associated Practice Facility / Clinic

Specialty Benchmarks & Practice Insights

Comparative analytics for Internal Medicine in Phoenix, AZ

Active Practitioner
Practitioner Clinical Experience
Active
City Avg: 22.5 Yrs
State Avg: 25.1 Yrs
Regional Practice Density
726 Specialists

Practicing in Phoenix, AZ (2967 Statewide)

Telehealth Adoption Rate
16.0% Regional Adoption

In-Person Office Visits Only

Medicare Pricing Discount
67.4% Avg Savings

Under CMS Medicare Fee Schedule vs Standard Submitted Charges

Medical Specialties & State Licenses

CMS Verified: 2026-07-24
Internal Medicine Primary Specialty

NUCC Taxonomy Code: 207R00000X

State License AZ 74670

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.

Hospitalist

NUCC Taxonomy Code: 208M00000X

State License AZ 74670

Hospitalists are physicians whose primary professional focus is the general medical care of hospitalized patients. Their activities include patient care, teaching, research, and leadership related to Hospital Medicine. The term 'hospitalist' refers to physicians whose practice emphasizes providing care for hospitalized patients.

Secondary Practice Locations

13400 E Shea Blvd

Scottsdale, AZ 852595499

Phone: 4803018000

Practice Associates & Co-Workers

Healthcare professionals and specialists practicing at this location or sharing practice phone/fax

8 Associated Practitioners
Diego Alvarado , PA-C

Physician Assistant

NPI 1003464892

Physician Assistant (Certified)

Dr. Wayne Kuhl , MD

Internal Medicine

NPI 1215913884

Doctor of Medicine (M.D.)

Dr. Chi Duong , DO

Internal Medicine

NPI 1285642108

Doctor of Osteopathic Medicine (D.O.)

Dr. Laura O'malley , MD

Internal Medicine

NPI 1366402216

Doctor of Medicine (M.D.)

NPI 1396721965

Doctor of Medicine (M.D.)

Melissa Frazelle , FNP

Nurse Practitioner - Family

NPI 1871049916

Family Nurse Practitioner

Career & Practice History Timeline

Chronological log of verified NPI updates, location relocations, credentials, and registry changes

12 Historical Events
📍
Updated Practice Location July 24, 2026

Registered at 4840 E INDIAN SCHOOL RD STE 101, PHOENIX, AZ 850185500 (Tel: 6025221900)

📍
Updated Business Mailing Address July 24, 2026

Registered at 4840 E INDIAN SCHOOL RD STE 101, PHOENIX, AZ 850185500 (Tel: 6025221900)

🎓
Medical Taxonomy / Specialty Registered (Primary Specialty) July 24, 2026

Internal Medicine (License #74670 in AZ)

📍
Updated Business Mailing Address June 08, 2026

Registered at 13400 E SHEA BLVD, SCOTTSDALE, AZ 852595404

🎓
Medical Taxonomy / Specialty Registered (Primary Specialty) June 08, 2026

Hospitalist (License #74670 in AZ)

🎓
Medical Taxonomy / Specialty Registered (Primary Specialty) September 15, 2023

Internal Medicine (License #R80141 in AZ)

NPI Profile Active May 03, 2023

NPI status registered as active in NPPES database

📍
Updated Practice Location May 03, 2023

Registered at 13400 E SHEA BLVD, SCOTTSDALE, AZ 852595499 (Tel: 4803018000)

📍
Updated Business Mailing Address May 03, 2023

Registered at 13400 E SHEA BLVD, SCOTTSDALE, AZ 852595499 (Tel: 4803018000)

👤
Provider Name / Credentials Updated May 03, 2023

Recorded as BRIAN PARKER, MD

🎓
Medical Taxonomy / Specialty Registered (Primary Specialty) May 03, 2023

Student in an Organized Health Care Education/Training Program

🟢
Initial NPI Registration & Enumeration May 03, 2023

First registered as active Individual Practitioner in NPPES Database.

Patient & Community Reviews

Verified patient ratings, medical care experiences, and facility photos

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NPI Administrative Meta

NPI Number: 1205525540
Entity Type:
Individual Provider Physician, Nurse Practitioner, or Solo Healthcare Professional (Type 1 NPI)
Enumeration Date: May 03, 2023
Last Update: July 24, 2026
Sole Proprietor: No

Mailing Address

4840 E Indian School Rd Ste 101

Phoenix, AZ 850185500

Phone: 6025221900

Public Domain Record This profile contains public domain information published by CMS and NPPES under the Freedom of Information Act (FOIA).
⚠️ Medical Disclaimer

This directory listing is for informational purposes only and does not constitute medical advice, diagnosis, or physician endorsement. If you are experiencing a medical emergency, please call 911 immediately.