Independent US Healthcare Provider Directory & Public Medical Database
Active NPI 1447607627 Individual Practitioner Male Practitioner

Dr. John Roller , MD

Internal Medicine • Peoria, AZ

✓ Accepts Medicare Assignment Telehealth Available

Professional Overview & Biography Verified Profile Summary

Dr. John Roller, MD is a certified Internal Medicine practicing in Peoria, AZ. With approximately 10 years of clinical experience since graduating from University Of North Dakota School Of Medicine in 2016, Dr. Roller delivers high-quality medical care to the local community at 15000 N 83RD AVE UNIT 300.

Dr. Roller is affiliated with Banner Cancer Center Specialists Llc and accepts Medicare assignment . Telehealth and virtual consultation options are available for eligible patients.

Frequently performed procedures and clinical services include established patient outpatient office visit, subsequent hospital care with moderate levelof medical decision making, if using time, at least, new patient outpatient office visit. Full Medicare procedure pricing transparency rates and service volume details are listed on this profile.

Practice Location & Contact Primary Location

Practice Address

15000 N 83rd Ave Unit 300

Peoria, AZ 853812004

Telephone 6232387490
Fax 4808825019

Medicare Profile & Education

Medical School

University Of North Dakota School Of Medicine

Graduation Year

2016

Medicare Assignment

✓ Accepts Assignment

Telehealth Flag

Telehealth Services Available

Specialty Benchmarks & Practice Insights

Comparative analytics for Internal Medicine in Peoria, AZ

Established Specialist (10-20 Yrs)
Practitioner Clinical Experience
10 Yrs -15.2 yrs vs City Avg
City Avg: 25.2 Yrs
State Avg: 25.1 Yrs
Regional Practice Density
62 Specialists

Practicing in Peoria, AZ (2967 Statewide)

Telehealth Adoption Rate
40.3% Regional Adoption

✓ Offers Virtual Consultations

Medicare Pricing Discount
50.4% Avg Savings

Under CMS Medicare Fee Schedule vs Standard Submitted Charges

Clinical Seniority & Experience Comparison

Dr. Roller (10 Years) 10 Yrs
Peoria Specialty Average (25.2 Years) 25.2 Yrs

Performed Procedures & Service Volume

Top Medicare Part B procedures performed by this practitioner

CMS Official Data (2024)
Reporting Year:
HCPCS Code & Description Services Patients Submitted Charge Medicare Allowed
99214 Established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more
168 44 $176.67 $93.26
99233 Subsequent hospital care with moderate levelof medical decision making, if using time, at least 50 minutes
58 21 $266.00 $113.34
99215 Established patient office or other outpatient visit with high level of medical decision making, if using time, 40 minutes or more
52 30 $300.81 $138.00
99205 New patient office or other outpatient visit with a high level of medical decision making, if using time, 60 minutes or more
35 35 $400.94 $173.69
99442 Telephone medical discussion with physician, 11-20 minutes
22 16 $71.00 $69.23
99213 Established patient office or other outpatient visit, typically 15 minutes
16 11 $80.25 $62.05
99204 New patient office or other outpatient visit with moderate level of medical decision making, if using time, 45 minutes or more
14 14 $270.29 $127.69

Medical Specialties & State Licenses

CMS Verified: 2026-07-01
Internal Medicine Primary Specialty

NUCC Taxonomy Code: 207R00000X

State License AZ 70118

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.

Internal Medicine

NUCC Taxonomy Code: 207R00000X

State License KS 04-42260

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.

Hospital & Practice Group Affiliations

Banner Cancer Center Specialists Llc

925 E Mcdowell Rd, Phoenix, AZ 850062502

Phone: 6025213700

Practice Associates & Co-Workers

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

10 Associated Practitioners
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Doctor of Medicine (M.D.)

Dr. Justin Goldfarb , DO

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NPI 1215152723

Doctor of Osteopathic Medicine (D.O.)

NPI 1295871747

Doctor of Medicine (M.D.)

Dr. Joan Dahmer , MD

Internal Medicine - Hematology & Oncology

NPI 1417954785

Doctor of Medicine (M.D.)

Dr. Parmjeet Banghar , MD

Internal Medicine - Hematology & Oncology

NPI 1437152436

Doctor of Medicine (M.D.)

Career & Practice History Timeline

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

19 Historical Events
📍
Updated Practice Location July 01, 2026

Registered at 15000 N 83RD AVE UNIT 300, PEORIA, AZ 853812004 (Tel: 6232387490)

📍
Updated Business Mailing Address July 01, 2026

Registered at 15000 N 83RD AVE UNIT 300, PEORIA, AZ 853812004 (Tel: 6232387490)

📍
Updated Practice Location August 06, 2025

Registered at 925 E. MCDOWELL RD., PHOENIX, AZ 85006 (Tel: 6025213700)

📍
Updated Business Mailing Address August 06, 2025

Registered at 925 E. MCDOWELL RD., PHOENIX, AZ 85006 (Tel: 6025213700)

👤
Provider Name / Credentials Updated August 06, 2025

Recorded as JOHN ROLLER, M.D.

📍
Updated Practice Location September 25, 2023

Registered at 1111 E MCDOWELL RD., PHOENIX, AZ 85006 (Tel: 4802566444)

📍
Updated Business Mailing Address September 25, 2023

Registered at 1111 E MCDOWELL RD., PHOENIX, AZ 85006 (Tel: 4802566444)

👤
Provider Name / Credentials Updated September 25, 2023

Recorded as JOHN ROLLER, MD

📍
Updated Practice Location July 06, 2020

Registered at 2650 SHAWNEE MISSION PKWY, WESTWOOD, KS 662052003 (Tel: 9135880348)

📍
Updated Business Mailing Address July 06, 2020

Registered at 2330 SHAWNEE MISSION PKWY STE 210, WESTWOOD, KS 662052005 (Tel: 9135880348)

📍
Updated Practice Location February 13, 2020

Registered at UNIVERSITY OF KANSAS HEALTH SYSTEMS HOSPITAL MEDICINE, 4000 CAMBRIDGE, 6040 DELP, MS 1020, KANSAS CITY, KS 66160 (Tel: 9135886005)

📍
Updated Business Mailing Address February 13, 2020

Registered at UNIVERSITY OF KANSAS HEALTH SYSTEMS HOSPITAL MEDICINE, 4000 CAMBRIDGE, 6040 DELP, MS 1020, KANSAS CITY, KS 661600001 (Tel: 9135886005)

🎓
Medical Taxonomy / Specialty Registered (Primary Specialty) February 13, 2020

Internal Medicine (License #04-42260 in KS)

NPI Profile Active May 18, 2016

NPI status registered as active in NPPES database

📍
Updated Practice Location May 18, 2016

Registered at KUMC IMRESIDENCY PROGRAM, 3901 RAINBOW BLVD, MS 2027, KANSAS CITY, KS 661600001 (Tel: 9135886050)

📍
Updated Business Mailing Address May 18, 2016

Registered at KUMC IMRESIDENCY PROGRAM, 3901 RAINBOW BLVD, MS 2027, KANSAS CITY, KS 661600001 (Tel: 9135886050)

👤
Provider Name / Credentials Updated May 18, 2016

Recorded as JOHN ROLLER, M.D.

🎓
Medical Taxonomy / Specialty Registered (Primary Specialty) May 18, 2016

Internal Medicine (License #94-08916 in KS)

🟢
Initial NPI Registration & Enumeration May 18, 2016

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: 1447607627
Entity Type:
Individual Provider Physician, Nurse Practitioner, or Solo Healthcare Professional (Type 1 NPI)
Enumeration Date: May 18, 2016
Last Update: July 01, 2026
Sole Proprietor: No

Mailing Address

15000 N 83rd Ave Unit 300

Peoria, AZ 853812004

Phone: 6232387490

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.