Active NPI 1003865023 Individual Practitioner Male Practitioner

Dr. John H Sun , MD

Surgery • Parker, CO

✓ Accepts Medicare Assignment

Professional Overview & Biography Verified Profile Summary

Dr. John Sun, MD is a certified Surgery practicing in Parker, CO. With approximately 36 years of clinical experience since graduating from University Of Colorado School Of Medicine, Denver in 1990, Dr. Sun delivers high-quality medical care to the local community at 9397 CROWN CREST BLVD.

Dr. Sun is affiliated with Portercare Adventist Health System and accepts Medicare assignment.

Frequently performed procedures and clinical services include biopsy of large bowel using an endoscope, removal of polyps or growths of large bowel using an endoscope with mechanical snare, established 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

9397 Crown Crest Blvd
Suite 201

Parker, CO 801388575

Telephone 3033200699

Fax 3033200897

Associated Practice Facility / Clinic

🏢 Crown Point Surgery Center, L.l.c. Facility NPI 1184690653

Medicare Profile & Education

Medical School

University Of Colorado School Of Medicine, Denver

Graduation Year

1990

Medicare Assignment

✓ Accepts Assignment

Telehealth Flag

In-Person Only

Specialty Benchmarks & Practice Insights

Comparative analytics for Surgery in Parker, CO

Senior Veteran Specialist (>20 Yrs)

Practitioner Clinical Experience

36 Yrs +10.7 yrs vs City Avg

City Avg: 25.3 Yrs

State Avg: 23.8 Yrs

Regional Practice Density

15 Specialists

Practicing in Parker, CO (635 Statewide)

Telehealth Adoption Rate

26.7% Regional Adoption

In-Person Office Visits Only

Medicare Pricing Discount

74.0% Avg Savings

Under CMS Medicare Fee Schedule vs Standard Submitted Charges

Clinical Seniority & Experience Comparison

Dr. Sun (36 Years) 36 Yrs

Parker Specialty Average (25.3 Years) 25.3 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
45380 Biopsy of large bowel using an endoscope	136	136	$649.69	$40.61
45385 Removal of polyps or growths of large bowel using an endoscope with mechanical snare	119	119	$799.12	$247.26
99212 Established patient office or other outpatient visit with straightforward medical decision making, if using time, 10 minutes or more	34	30	$168.00	$57.29
46600 Diagnostic examination of the anus using an endoscope	33	32	$352.45	$120.87
99213 Established patient office or other outpatient visit, typically 15 minutes	28	26	$264.64	$91.32
99203 New patient office or other outpatient visit with low level of medical decision making, if using time, 30 minutes or more	17	17	$337.00	$112.13

HCPCS Code & Description	Services	Patients	Submitted Charge	Medicare Allowed
45380 Biopsy of large bowel using an endoscope	132	132	$1238.00	$100.88
45385 Removal of polyps or growths of large bowel using an endoscope with mechanical snare	82	82	$1281.00	$253.06
99213 Established patient office or other outpatient visit, typically 15 minutes	44	40	$245.00	$92.41
46600 Diagnostic examination of the anus using an endoscope	40	39	$344.00	$126.25
99203 New patient office or other outpatient visit with low level of medical decision making, if using time, 30 minutes or more	31	31	$302.00	$114.46
G0105 Colorectal cancer screening; colonoscopy on individual at high risk	16	15	$957.00	$166.74
46221 Removal of external hemorrhoids by rubber banding	11	11	$800.00	$135.31

HCPCS Code & Description	Services	Patients	Submitted Charge	Medicare Allowed
45380 Biopsy of large bowel using an endoscope	120	120	$1232.00	$137.12
99213 Established patient office or other outpatient visit, typically 15 minutes	50	45	$244.00	$91.57
45385 Removal of polyps or growths of large bowel using an endoscope with mechanical snare	47	47	$1270.00	$256.69
46600 Diagnostic examination of the anus using an endoscope	43	40	$335.00	$131.04
99203 New patient office or other outpatient visit with low level of medical decision making, if using time, 30 minutes or more	38	38	$300.00	$115.14
46221 Removal of external hemorrhoids by rubber banding	13	13	$799.00	$132.46
76872 Ultrasound scan of pelvic region through rectum	13	13	$87.00	$33.14
G0105 Colorectal cancer screening; colonoscopy on individual at high risk	12	12	$948.00	$178.23
G0121 Colorectal cancer screening; colonoscopy on individual not meeting criteria for high risk	11	11	$949.00	$178.38
91122 Study of rectum sensitivity and function	11	11	$234.00	$89.04

HCPCS Code & Description	Services	Patients	Submitted Charge	Medicare Allowed
45380 Biopsy of large bowel using an endoscope	149	149	$1160.00	$132.01
46600 Diagnostic examination of the anus using an endoscope	72	71	$283.00	$128.60
99203 New patient office or other outpatient visit with low level of medical decision making, if using time, 30 minutes or more	60	60	$288.00	$115.57
45385 Removal of polyps or growths of large bowel using an endoscope with mechanical snare	58	58	$1208.00	$260.02
99213 Established patient office or other outpatient visit, typically 15 minutes	57	49	$201.00	$94.57
46221 Removal of external hemorrhoids by rubber banding	21	21	$749.00	$126.18
99212 Established patient office or other outpatient visit with straightforward medical decision making, if using time, 10 minutes or more	11	11	$122.00	$58.48
45378 Diagnostic exam of large bowel using a flexible endoscope	11	11	$899.00	$137.99

HCPCS Code & Description	Services	Patients	Submitted Charge	Medicare Allowed
45380 Biopsy of large bowel using an endoscope	113	113	$1120.00	$160.08
46600 Diagnostic examination of the anus using an endoscope	78	77	$259.00	$107.18
99203 New patient office or other outpatient visit with low level of medical decision making, if using time, 30 minutes or more	68	68	$289.00	$110.22
99213 Established patient office or other outpatient visit, typically 15 minutes	48	37	$198.00	$77.86
99214 Established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more	35	27	$290.00	$112.64
45385 Removal of polyps or growths of large bowel using an endoscope with mechanical snare	28	28	$1175.00	$268.53
46221 Removal of external hemorrhoids by rubber banding	14	14	$738.00	$101.51

HCPCS Code & Description	Services	Patients	Submitted Charge	Medicare Allowed
45380 Biopsy of large bowel using an endoscope	128	128	$1053.30	$156.52
46600 Diagnostic examination of the anus using an endoscope	76	75	$232.92	$99.28
99203 New patient office or other outpatient visit with low level of medical decision making, if using time, 30 minutes or more	72	72	$277.96	$110.86
99213 Established patient office or other outpatient visit, typically 15 minutes	49	40	$187.92	$75.94
99214 Established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more	46	37	$276.87	$111.13
45385 Removal of polyps or growths of large bowel using an endoscope with mechanical snare	33	33	$1105.52	$258.66
46221 Removal of external hemorrhoids by rubber banding	11	11	$704.27	$100.23
46930 Destruction of internal anal hemorrhoids	11	11	$540.36	$219.52

HCPCS Code & Description	Services	Patients	Submitted Charge	Medicare Allowed
45380 Biopsy of large bowel using an endoscope	128	127	$1011.41	$168.81
46600 Diagnostic examination of the anus using an endoscope	112	112	$230.00	$91.14
99203 New patient office or other outpatient visit with low level of medical decision making, if using time, 30 minutes or more	104	104	$277.00	$108.54
99213 Established patient office or other outpatient visit, typically 15 minutes	68	55	$187.00	$73.84
99214 Established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more	60	49	$275.00	$108.36
45385 Removal of polyps or growths of large bowel using an endoscope with mechanical snare	31	31	$1085.61	$267.47
46221 Removal of external hemorrhoids by rubber banding	25	25	$697.00	$110.20
46930 Destruction of internal anal hemorrhoids	19	16	$534.00	$214.10
76872 Ultrasound scan of pelvic region through rectum	14	14	$108.86	$34.23
45378 Diagnostic exam of large bowel using a flexible endoscope	14	14	$817.00	$163.24
91122 Study of rectum sensitivity and function	11	11	$588.00	$92.01
45300 Diagnostic examination of rectum and large bowel using an endoscope	11	11	$320.00	$28.11
51785 Needle measurement and recording of electrical activity of muscles at bladder and bowel openings	11	11	$562.00	$93.65

HCPCS Code & Description	Services	Patients	Submitted Charge	Medicare Allowed
46600 Diagnostic examination of the anus using an endoscope	149	147	$181.00	$87.55
99203 New patient office or other outpatient visit with low level of medical decision making, if using time, 30 minutes or more	147	147	$230.00	$105.71
45380 Biopsy of large bowel using an endoscope	133	131	$945.00	$179.32
99213 Established patient office or other outpatient visit, typically 15 minutes	66	57	$149.00	$70.73
99214 Established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more	43	39	$226.00	$104.76
46221 Removal of external hemorrhoids by rubber banding	22	22	$547.00	$103.62
45300 Diagnostic examination of rectum and large bowel using an endoscope	20	19	$251.00	$29.97
45385 Removal of polyps or growths of large bowel using an endoscope with mechanical snare	16	16	$1066.00	$258.94
46601 Diagnostic exam of anus with magnification and chemical agent enhancement using an endoscope	15	15	$282.00	$127.47
46930 Destruction of internal anal hemorrhoids	15	14	$417.00	$203.77

Medical Specialties & State Licenses

Surgery Primary Specialty

NUCC Taxonomy Code: 208600000X

State License CO 35479

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

Medicaid State Provider ID

C1354794 (CO)

Commercial Insurance / Payer ID Railroad Medicare Pin

280000886 (CO)

Hospital & Practice Group Affiliations

Portercare Adventist Health System

2535 S Downing St, Denver, CO 802105850

Phone: 3037785797

Practice Associates & Co-Workers

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

4 Associated Practitioners

Dr. Alice Sun , MD

Obstetrics & Gynecology

NPI 1215001508

Doctor of Medicine (M.D.)

Dr. Ryan Smith , MD

Colon & Rectal Surgery

NPI 1215432752

Doctor of Medicine (M.D.)

Dr. Blake Babcock , MD

Surgery - Surgical Oncology

NPI 1578873758

Doctor of Medicine (M.D.)

Amy Breen , PA-C

Physician Assistant

NPI 1720566359

Physician Assistant (Certified)

Career & Practice History Timeline

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

6 Historical Events

✅

NPI Profile Active June 26, 2009

NPI status registered as active in NPPES database

📍

Updated Practice Location June 26, 2009

Registered at 9397 CROWN CREST BLVD, SUITE 201, PARKER, CO 801388575 (Tel: 3033200699)

📍

Updated Business Mailing Address June 26, 2009

Registered at 9397 CROWN CREST BLVD, SUITE 201, PARKER, CO 801388575 (Tel: 3033200699)

👤

Provider Name / Credentials Updated June 26, 2009

Recorded as JOHN SUN, MD

🎓

Medical Taxonomy / Specialty Registered (Primary Specialty) June 26, 2009

Surgery (License #35479 in CO)

🟢

Initial NPI Registration & Enumeration May 08, 2006

First registered as active Individual Practitioner in NPPES Database.

Patient & Community Reviews

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NPI Administrative Meta

NPI Number: 1003865023

Entity Type:

Individual Provider Physician, Nurse Practitioner, or Solo Healthcare Professional (Type 1 NPI)

Enumeration Date: May 08, 2006

Last Update: June 26, 2009

Sole Proprietor: Yes

Update or Correct Profile

Mailing Address

9397 Crown Crest Blvd, Suite 201

Parker, CO 801388575

Phone: 3033200699

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.