Independent US Healthcare Provider Directory & Public Medical Database
Active NPI 1942705611 Individual Practitioner Male Practitioner

Dr. William Cameron Maclellan , MD

Surgery • Englewood, CO

✓ Accepts Medicare Assignment

Professional Overview & Biography Verified Profile Summary

Dr. William Maclellan, MD is a certified Surgery practicing in Englewood, CO. With approximately 9 years of clinical experience since completing medical education in 2017, Dr. Maclellan delivers high-quality medical care to the local community at 601 E HAMPDEN AVE STE 200.

Dr. Maclellan is affiliated with Vista Surgical Group and accepts Medicare assignment.

Practice Location & Contact Primary Location

Practice Address

601 E Hampden Ave Ste 200

Englewood, CO 801132788

Telephone 3037885300
Fax 3037885363
Associated Practice Facility / Clinic
🏢 Burt B Katubig Md Pllc Facility NPI 1073620357

Medicare Profile & Education

Medical School

Other

Graduation Year

2017

Medicare Assignment

✓ Accepts Assignment

Telehealth Flag

In-Person Only

Specialty Benchmarks & Practice Insights

Comparative analytics for Surgery in Englewood, CO

Experienced Practitioner (5-10 Yrs)
Practitioner Clinical Experience
9 Yrs -11.1 yrs vs City Avg
City Avg: 20.1 Yrs
State Avg: 23.8 Yrs
Regional Practice Density
36 Specialists

Practicing in Englewood, CO (635 Statewide)

Telehealth Adoption Rate
5.6% Regional Adoption

In-Person Office Visits Only

Medicare Pricing Discount
67.4% Avg Savings

Under CMS Medicare Fee Schedule vs Standard Submitted Charges

Clinical Seniority & Experience Comparison

Dr. Maclellan (9 Years) 9 Yrs
Englewood Specialty Average (20.1 Years) 20.1 Yrs

Medical Specialties & State Licenses

CMS Verified: 2026-01-22
Surgery Primary Specialty

NUCC Taxonomy Code: 208600000X

State License CO DR.0063135

A general surgeon has expertise related to the diagnosis - preoperative, operative and postoperative management - and management of complications of surgical conditions in the following areas: alimentary tract; abdomen; breast, skin and soft tissue; endocrine system; head and neck surgery; pediatric surgery; surgical critical care; surgical oncology; trauma and burns; and vascular surgery. General surgeons increasingly provide care through the use of minimally invasive and endoscopic techniques. Many general surgeons also possess expertise in transplantation surgery, plastic surgery and cardiothoracic surgery.

Additional State Medicaid & Healthcare Payer Identifiers

Commercial Insurance / Payer ID Caqh
15987096

Hospital & Practice Group Affiliations

Vista Surgical Group

601 E Hampden Ave, Englewood, CO 801132788

Phone: 3037885300

Practice Associates & Co-Workers

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

19 Associated Practitioners
NPI 1023125390

Doctor of Medicine (M.D.)

NPI 1063529386

Doctor of Medicine (M.D.)

Renee Colwell , PA-C

Physician Assistant

NPI 1063960490

Physician Assistant (Certified)

NPI 1124004643

Doctor of Medicine (M.D.)

NPI 1174150148

Doctor of Medicine (M.D.)

NPI 1265694145

Doctor of Medicine (M.D.)

Career & Practice History Timeline

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

13 Historical Events
📍
Updated Practice Location August 08, 2024

Registered at 601 E HAMPDEN AVE STE 200, ENGLEWOOD, CO 801132788 (Tel: 3037885300)

📍
Updated Business Mailing Address August 08, 2024

Registered at 601 E HAMPDEN AVE STE 200, ENGLEWOOD, CO 801132788 (Tel: 3037885300)

🎓
Medical Taxonomy / Specialty Registered (Primary Specialty) August 08, 2024

Surgery (License #DR.0063135 in CO)

📍
Updated Practice Location August 31, 2023

Registered at 4815 LIBERTY AVE STE 439, PITTSBURGH, PA 152242156 (Tel: 7242607300)

📍
Updated Business Mailing Address August 31, 2023

Registered at 4815 LIBERTY AVE STE 439, PITTSBURGH, PA 152242156 (Tel: 7242607300)

👤
Provider Name / Credentials Updated August 31, 2023

Recorded as WILLIAM MACLELLAN, MD

🎓
Medical Taxonomy / Specialty Registered (Primary Specialty) August 31, 2023

Surgery (License #MD481514 in PA)

NPI Profile Active March 26, 2018

NPI status registered as active in NPPES database

📍
Updated Practice Location March 26, 2018

Registered at 1960 N OGDEN ST STE 400, DENVER, CO 802183670 (Tel: 3033181585)

📍
Updated Business Mailing Address March 26, 2018

Registered at 1960 N OGDEN ST STE 400, DENVER, CO 802183670

👤
Provider Name / Credentials Updated March 26, 2018

Recorded as WILLIAM MACLELLAN

🎓
Medical Taxonomy / Specialty Registered (Primary Specialty) March 26, 2018

Student in an Organized Health Care Education/Training Program

🟢
Initial NPI Registration & Enumeration March 26, 2018

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: 1942705611
Entity Type:
Individual Provider Physician, Nurse Practitioner, or Solo Healthcare Professional (Type 1 NPI)
Enumeration Date: March 26, 2018
Last Update: January 22, 2026
Sole Proprietor: No

Mailing Address

601 E Hampden Ave Ste 200

Englewood, CO 801132788

Phone: 3037885300

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.