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Deactivated NPI 1881742971 Deactivated / Inactive NPI Male Practitioner

Dr. William E Haun , MD

Surgery • Denver, CO

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Notice of NPI Deactivation & Inactive Practice Status

According to official public domain records published by CMS (Centers for Medicare & Medicaid Services) in the National Provider Identifier (NPPES) Registry, Dr. William Haun has officially deactivated this NPI record and ceased active healthcare practice.

Registration / Start Date January 08, 2007
NPI Deactivation Date July 06, 2022
Total Practice Duration ~15 Years of Practice (2007 – 2022)

Professional Overview & Biography Verified Profile Summary

Dr. William Haun, MD was a registered Surgery practicing in Denver, CO. Throughout an active medical career spanning 15 years, Dr. Haun provided care at the practice location at 1601 E 19TH AVE STE 6300 until profile deactivation on 2022-07-06.

Historical Medicare Part B clinical services included new patient outpatient office visit. Public procedure reimbursement records and service volume details are provided below for historical transparency.

Practice Location & Contact Primary Location

Practice Address

1601 E 19th Ave Ste 6300

Denver, CO 802181255

Telephone 3038316100
Fax 3038318200

Specialty Benchmarks & Practice Insights

Comparative analytics for Surgery in Denver, CO

Active Practitioner
Practitioner Clinical Experience
Active
City Avg: 22.5 Yrs
State Avg: 23.8 Yrs
Regional Practice Density
115 Specialists

Practicing in Denver, CO (635 Statewide)

Telehealth Adoption Rate
9.6% Regional Adoption

In-Person Office Visits Only

Medicare Pricing Discount
57.9% Avg Savings

Under CMS Medicare Fee Schedule vs Standard Submitted Charges

Performed Procedures & Service Volume

Top Medicare Part B procedures performed by this practitioner

CMS Official Data (2017)
HCPCS Code & Description Services Patients Submitted Charge Medicare Allowed
99203 New patient office or other outpatient visit with low level of medical decision making, if using time, 30 minutes or more
15 15 $257.49 $109.19
99204 New patient office or other outpatient visit with moderate level of medical decision making, if using time, 45 minutes or more
14 14 $395.40 $165.38

Medical Specialties & State Licenses

Surgery Primary Specialty

NUCC Taxonomy Code: 208600000X

State License CO 21727

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.

Practice Associates & Co-Workers

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

2 Associated Practitioners
Mark Mauries , CERTFIRSTASSISTANT

Specialist/Technologist, Other - Surgical Technologist

NPI 1124242854
NPI 1821065111

Doctor of Medicine (M.D.)

Career & Practice History Timeline

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

12 Historical Events
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NPI Profile Deactivated July 06, 2022

Record deactivated on July 06, 2022

NPI Profile Active March 24, 2017

NPI status registered as active in NPPES database

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Updated Practice Location March 24, 2017

Registered at 1601 E 19TH AVE, SUITE 6300, DENVER, CO 802181216 (Tel: 3038316100)

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Updated Business Mailing Address March 24, 2017

Registered at 3333 S BANNOCK ST, SUITE 350, ENGLEWOOD, CO 801102432 (Tel: 3039571310)

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Provider Name / Credentials Updated March 24, 2017

Recorded as WILLIAM HAUN, MD

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Medical Taxonomy / Specialty Registered (Primary Specialty) March 24, 2017

Surgery (License #21727 in CO)

NPI Profile Active May 11, 2015

NPI status registered as active in NPPES database

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Updated Practice Location May 11, 2015

Registered at 1601 E 19TH AVE STE 6300, DENVER, CO 802181255 (Tel: 3038316100)

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Updated Business Mailing Address May 11, 2015

Registered at 1601 E 19TH AVE STE 6300, DENVER, CO 802181255 (Tel: 3038316100)

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Provider Name / Credentials Updated May 11, 2015

Recorded as WILLIAM HAUN, MD

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Medical Taxonomy / Specialty Registered (Primary Specialty) May 11, 2015

Surgery (License #21727 in CO)

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Initial NPI Registration & Enumeration January 08, 2007

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: 1881742971
Entity Type:
Individual Provider Physician, Nurse Practitioner, or Solo Healthcare Professional (Type 1 NPI)
Enumeration Date: January 08, 2007
Last Update: May 11, 2015
Deactivation Date: July 06, 2022

Mailing Address

1601 E 19th Ave Ste 6300

Denver, CO 802181255

Phone: 3038316100

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.