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Active NPI 1164876413 Individual Practitioner Male Practitioner

Dr. James Scott Mackenzie , MD

Orthopaedic Surgery • Glendale, AZ

✓ Accepts Medicare Assignment

Professional Overview & Biography Verified Profile Summary

Dr. James Mackenzie, MD is a certified Orthopaedic Surgery practicing in Glendale, AZ. With approximately 10 years of clinical experience since graduating from University Of Arizona College Of Medicine in 2016, Dr. Mackenzie delivers high-quality medical care to the local community at 6320 W UNION HILLS DR STE 1800.

Dr. Mackenzie maintains professional affiliations with South Broward Hospital District, Vhs Outpatient Clinics Inc and accepts Medicare assignment.

Frequently performed procedures and clinical services include new patient outpatient office visit, established patient outpatient office visit, x-ray of knee. Full Medicare procedure pricing transparency rates and service volume details are listed on this profile.

Practice Location & Contact Primary Location

Practice Address

6320 W Union Hills Dr Ste 1800

Glendale, AZ 853081372

Telephone 4804200749
Fax 4804200732
Associated Practice Facility / Clinic
🏢 Vhs Outpatient Clinics, Inc. Facility NPI 1811503907

Medicare Profile & Education

Medical School

University Of Arizona College Of Medicine

Graduation Year

2016

Medicare Assignment

✓ Accepts Assignment

Telehealth Flag

In-Person Only

Specialty Benchmarks & Practice Insights

Comparative analytics for Orthopaedic Surgery in Glendale, AZ

Established Specialist (10-20 Yrs)
Practitioner Clinical Experience
10 Yrs -14.1 yrs vs City Avg
City Avg: 24.1 Yrs
State Avg: 26.8 Yrs
Regional Practice Density
10 Specialists

Practicing in Glendale, AZ (501 Statewide)

Telehealth Adoption Rate
0.0% Regional Adoption

In-Person Office Visits Only

Medicare Pricing Discount
69.9% Avg Savings

Under CMS Medicare Fee Schedule vs Standard Submitted Charges

Clinical Seniority & Experience Comparison

Dr. Mackenzie (10 Years) 10 Yrs
Glendale Specialty Average (24.1 Years) 24.1 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
99204 New patient office or other outpatient visit with moderate level of medical decision making, if using time, 45 minutes or more
43 43 $535.00 $168.02
99213 Established patient office or other outpatient visit, typically 15 minutes
33 27 $230.00 $91.63
99214 Established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more
22 17 $340.00 $129.36
73564 X-ray of knee, 4 or more views
22 15 $143.00 $46.92
72190 X-ray of pelvis, minimum of 3 views
21 14 $143.00 $41.91
99223 Initial hospital care with moderate level of medical decision making, if using time, at least 75 minutes
12 12 $652.00 $174.12
99221 Initial hospital inpatient care per day, typically 30 minutes
12 12 $331.00 $85.08
27245 Treatment of broken neck of thigh bone with bone implant
11 11 $4388.00 $1299.11

Medical Specialties & State Licenses

CMS Verified: 2026-05-06
Orthopaedic Surgery Primary Specialty

NUCC Taxonomy Code: 207X00000X

State License AZ 79236

An orthopaedic surgeon is trained in the preservation, investigation and restoration of the form and function of the extremities, spine and associated structures by medical, surgical and physical means. An orthopaedic surgeon is involved with the care of patients whose musculoskeletal problems include congenital deformities, trauma, infections, tumors, metabolic disturbances of the musculoskeletal system, deformities, injuries and degenerative diseases of the spine, hands, feet, knee, hip, shoulder and elbow in children and adults. An orthopaedic surgeon is also concerned with primary and secondary muscular problems and the effects of central or peripheral nervous system lesions of the musculoskeletal system.

Orthopaedic Surgery

NUCC Taxonomy Code: 207X00000X

State License MD UMPS

An orthopaedic surgeon is trained in the preservation, investigation and restoration of the form and function of the extremities, spine and associated structures by medical, surgical and physical means. An orthopaedic surgeon is involved with the care of patients whose musculoskeletal problems include congenital deformities, trauma, infections, tumors, metabolic disturbances of the musculoskeletal system, deformities, injuries and degenerative diseases of the spine, hands, feet, knee, hip, shoulder and elbow in children and adults. An orthopaedic surgeon is also concerned with primary and secondary muscular problems and the effects of central or peripheral nervous system lesions of the musculoskeletal system.

Hospital & Practice Group Affiliations

South Broward Hospital District

1951 Sw 172nd Ave, Miramar, FL 330295614

Phone: 9542657700

Vhs Outpatient Clinics Inc

6320 W Union Hills Dr, Glendale, AZ 853081372

Phone: 4804200749

South Broward Hospital District

1150 N 35th Ave, Hollywood, FL 330215424

Phone: 9542657700

Secondary Practice Locations

601 N Caroline St Fl 5

Baltimore, MD 212870006

Phone: 4109558344

Practice Associates & Co-Workers

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

12 Associated Practitioners
Eric Ovalle , PA-C

Physician Assistant

NPI 1003211889

Physician Assistant (Certified)

Dr. Jeffrey Copoloff , DPM

Podiatrist - Foot & Ankle Surgery

NPI 1164461802

Doctor of Podiatric Medicine

Santiago Chavez , PA

Physician Assistant

NPI 1295811677

Physician Assistant

Dr. Tim Ratliff , DO

Family Medicine - Sports Medicine

NPI 1306227780

Doctor of Osteopathic Medicine (D.O.)

Dr. Brent Hansen , DO

Orthopaedic Surgery - Adult Reconstructive Orthopaedic Surgery

NPI 1396716262

Doctor of Osteopathic Medicine (D.O.)

Dr. Brendan Koistinen , DO

Family Medicine - Sports Medicine

NPI 1457812422

Doctor of Osteopathic Medicine (D.O.)

Career & Practice History Timeline

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

9 Historical Events
📍
Updated Practice Location May 06, 2026

Registered at 6320 W UNION HILLS DR STE 1800, GLENDALE, AZ 853081372 (Tel: 4804200749)

📍
Updated Business Mailing Address May 06, 2026

Registered at PO BOX 19406, BELFAST, ME 049154089 (Tel: 4698033000)

🎓
Medical Taxonomy / Specialty Registered (Primary Specialty) December 18, 2025

Orthopaedic Surgery (License #79236 in AZ)

NPI Profile Active April 22, 2016

NPI status registered as active in NPPES database

📍
Updated Practice Location April 22, 2016

Registered at 601 N CAROLINE ST FL 5, BALTIMORE, MD 212870006 (Tel: 4109558344)

📍
Updated Business Mailing Address April 22, 2016

Registered at 601 N CAROLINE ST FL 5, BALTIMORE, MD 212870006 (Tel: 4109558344)

👤
Provider Name / Credentials Updated April 22, 2016

Recorded as JAMES MACKENZIE, M.D.

🎓
Medical Taxonomy / Specialty Registered (Primary Specialty) April 22, 2016

Orthopaedic Surgery (License #UMPS in MD)

🟢
Initial NPI Registration & Enumeration April 22, 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: 1164876413
Entity Type:
Individual Provider Physician, Nurse Practitioner, or Solo Healthcare Professional (Type 1 NPI)
Enumeration Date: April 22, 2016
Last Update: May 06, 2026
Sole Proprietor: No

Mailing Address

Po Box 19406

Belfast, ME 049154089

Phone: 4698033000

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.