Active NPI 1285626465 Individual Practitioner Male Practitioner

Dr. Charles C Cheng , MD

Surgery • Appleton, WI

✓ Accepts Medicare Assignment

Professional Overview & Biography Verified Profile Summary

Dr. Charles Cheng, MD is a certified Surgery practicing in Appleton, WI. With approximately 32 years of clinical experience since graduating from University Of Southern California Keck School Of Medicine in 1994, Dr. Cheng delivers high-quality medical care to the local community at 2000 E MILESTONE DR.

Dr. Cheng is affiliated with Fox Valley Surgical Associates Ltd and accepts Medicare assignment.

Frequently performed procedures and clinical services include removal of polyps or growths of large bowel using an endoscope with mechanical snare, established patient outpatient office visit, biopsy of esophagus, stomach, and/or upper small bowel using a flexible endoscope. Full Medicare procedure pricing transparency rates and service volume details are listed on this profile.

Practice Location & Contact Primary Location

Practice Address

2000 E Milestone Dr

Appleton, WI 549136701

Telephone 9207318289

Fax 9208320444

Associated Practice Facility / Clinic

🏢 Fox Valley Surgical Associates Ltd Facility NPI 1376594952

Medicare Profile & Education

Medical School

University Of Southern California Keck School Of Medicine

Graduation Year

1994

Medicare Assignment

✓ Accepts Assignment

Telehealth Flag

In-Person Only

Specialty Benchmarks & Practice Insights

Comparative analytics for Surgery in Appleton, WI

Senior Veteran Specialist (>20 Yrs)

Practitioner Clinical Experience

32 Yrs +12.9 yrs vs City Avg

City Avg: 19.1 Yrs

State Avg: 25.2 Yrs

Regional Practice Density

22 Specialists

Practicing in Appleton, WI (765 Statewide)

Telehealth Adoption Rate

0.0% Regional Adoption

In-Person Office Visits Only

Medicare Pricing Discount

93.1% Avg Savings

Under CMS Medicare Fee Schedule vs Standard Submitted Charges

Clinical Seniority & Experience Comparison

Dr. Cheng (32 Years) 32 Yrs

Appleton Specialty Average (19.1 Years) 19.1 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
45385 Removal of polyps or growths of large bowel using an endoscope with mechanical snare	40	40	$3426.00	$224.87
99214 Established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more	18	16	$364.00	$120.08
43239 Biopsy of esophagus, stomach, and/or upper small bowel using a flexible endoscope	16	16	$2157.00	$64.94
43239 Biopsy of esophagus, stomach, and/or upper small bowel using a flexible endoscope	14	14	$2157.00	$69.27
99203 New patient office or other outpatient visit with low level of medical decision making, if using time, 30 minutes or more	11	11	$359.00	$103.52

HCPCS Code & Description	Services	Patients	Submitted Charge	Medicare Allowed
45385 Removal of polyps or growths of large bowel using an endoscope with mechanical snare	33	32	$3294.00	$231.77
43239 Biopsy of esophagus, stomach, and/or upper small bowel using a flexible endoscope	16	16	$2074.00	$74.27
99204 New patient office or other outpatient visit with moderate level of medical decision making, if using time, 45 minutes or more	15	15	$520.00	$156.11
99213 Established patient office or other outpatient visit, typically 15 minutes	14	14	$228.00	$84.94
99214 Established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more	13	13	$350.00	$120.44

HCPCS Code & Description	Services	Patients	Submitted Charge	Medicare Allowed
45385 Removal of polyps or growths of large bowel using an endoscope with mechanical snare	41	41	$3198.00	$237.24
99204 New patient office or other outpatient visit with moderate level of medical decision making, if using time, 45 minutes or more	12	12	$505.00	$157.89
99214 Established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more	12	11	$340.00	$121.94
43239 Biopsy of esophagus, stomach, and/or upper small bowel using a flexible endoscope	11	11	$2014.00	$78.86

HCPCS Code & Description	Services	Patients	Submitted Charge	Medicare Allowed
99231 Follow-up hospital inpatient care per day, typically 15 minutes	27	17	$179.81	$36.57
45385 Removal of polyps or growths of large bowel using an endoscope with mechanical snare	25	24	$3094.20	$240.66
43239 Biopsy of esophagus, stomach, and/or upper small bowel using a flexible endoscope	18	18	$1945.83	$90.78
99214 Established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more	13	12	$330.00	$124.32
99203 New patient office or other outpatient visit with low level of medical decision making, if using time, 30 minutes or more	11	11	$325.00	$107.01

HCPCS Code & Description	Services	Patients	Submitted Charge	Medicare Allowed
45385 Removal of polyps or growths of large bowel using an endoscope with mechanical snare	29	29	$3015.00	$231.24
99231 Follow-up hospital inpatient care per day, typically 15 minutes	27	15	$175.00	$37.99
99214 Established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more	19	17	$320.00	$104.78
43239 Biopsy of esophagus, stomach, and/or upper small bowel using a flexible endoscope	16	15	$1900.00	$89.89
99213 Established patient office or other outpatient visit, typically 15 minutes	11	11	$210.00	$72.03

HCPCS Code & Description	Services	Patients	Submitted Charge	Medicare Allowed
45385 Removal of polyps or growths of large bowel using an endoscope with mechanical snare	77	77	$3015.00	$244.44
43239 Biopsy of esophagus, stomach, and/or upper small bowel using a flexible endoscope	34	33	$1880.00	$94.17
99231 Follow-up hospital inpatient care per day, typically 15 minutes	28	18	$175.00	$37.18
99214 Established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more	21	20	$298.57	$104.05
99221 Initial hospital inpatient care per day, typically 30 minutes	19	18	$384.21	$95.88
43235 Diagnostic exam of esophagus, stomach, and/or upper small bowel using a flexible endoscope	17	17	$1490.00	$90.72
99203 New patient office or other outpatient visit with low level of medical decision making, if using time, 30 minutes or more	16	16	$300.00	$102.75
43248 Insertion of guide wire with dilation of esophagus using a flexible endoscope	14	14	$1750.00	$124.22
45380 Biopsy of large bowel using an endoscope	12	12	$2385.00	$93.01

HCPCS Code & Description	Services	Patients	Submitted Charge	Medicare Allowed
45385 Removal of polyps or growths of large bowel using an endoscope with mechanical snare	37	37	$3015.00	$247.46
99203 New patient office or other outpatient visit with low level of medical decision making, if using time, 30 minutes or more	32	32	$290.00	$102.37
43239 Biopsy of esophagus, stomach, and/or upper small bowel using a flexible endoscope	25	23	$1730.00	$119.35
99231 Follow-up hospital inpatient care per day, typically 15 minutes	24	15	$175.00	$37.49
99213 Established patient office or other outpatient visit, typically 15 minutes	21	21	$195.00	$69.88
43248 Insertion of guide wire with dilation of esophagus using a flexible endoscope	18	16	$1750.00	$150.75
43235 Diagnostic exam of esophagus, stomach, and/or upper small bowel using a flexible endoscope	17	17	$1490.00	$94.74
45378 Diagnostic exam of large bowel using a flexible endoscope	13	13	$2100.00	$179.23
43264 Removal of stone from bile or pancreatic duct using an endoscope	11	11	$3700.00	$212.22
99221 Initial hospital inpatient care per day, typically 30 minutes	11	11	$380.00	$96.12
99214 Established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more	11	11	$285.00	$103.18
43238 Ultrasound guided needle aspiration or biopsy of esophagus using a flexible endoscope	11	11	$1940.00	$195.84

HCPCS Code & Description	Services	Patients	Submitted Charge	Medicare Allowed
45385 Removal of polyps or growths of large bowel using an endoscope with mechanical snare	61	61	$2940.00	$246.88
99213 Established patient office or other outpatient visit, typically 15 minutes	25	25	$185.00	$67.67
43239 Biopsy of esophagus, stomach, and/or upper small bowel using a flexible endoscope	24	24	$1720.00	$83.51
99203 New patient office or other outpatient visit with low level of medical decision making, if using time, 30 minutes or more	24	24	$290.00	$99.61
99214 Established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more	23	22	$270.00	$102.87
99221 Initial hospital inpatient care per day, typically 30 minutes	20	20	$385.00	$96.53
43248 Insertion of guide wire with dilation of esophagus using a flexible endoscope	19	17	$1750.00	$137.11
99231 Follow-up hospital inpatient care per day, typically 15 minutes	16	12	$185.00	$37.60
99232 Subsequent hospital care with moderate levelof medical decision making, if using time, at least 35 minutes	13	13	$260.00	$69.44

Medical Specialties & State Licenses

CMS Verified: 2025-07-22

Surgery Primary Specialty

NUCC Taxonomy Code: 208600000X

State License WI 43500 020

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.

Surgery - Surgical Oncology

NUCC Taxonomy Code: 2086X0206X

State License WI 43500 020

A surgical oncologist is a well-qualified surgeon who has obtained additional training and experience in the multidisciplinary approach to the prevention, diagnosis, treatment, and rehabilitation of cancer patients, and devotes a major portion of his or her professional practice to these activities and cancer research.

Additional State Medicaid & Healthcare Payer Identifiers

Medicaid State Provider ID

34128600 (WI)

Hospital & Practice Group Affiliations

Fox Valley Surgical Associates Ltd

2000 E Milestone Dr, Appleton, WI 549136701

Phone: 9207318131

Practice Associates & Co-Workers

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

40 Associated Practitioners

Alexis Welhouse , CST

Specialist/Technologist, Other - Surgical Technologist

NPI 1013763556

Dr. Philip Vogt , MD

Surgery

NPI 1013909647

Doctor of Medicine (M.D.)

Jessica Buchberger , CST

Specialist/Technologist, Other - Surgical Technologist

NPI 1023564044

Dr. Alexander Tretinyak , MD

Surgery - Vascular Surgery

NPI 1073566030

Doctor of Medicine (M.D.)

Jeanne Brochtrup , CST

Specialist/Technologist, Other - Surgical Technologist

NPI 1093708836

Dr. Katherine Deangeli , MD

Surgery

NPI 1104211374

Doctor of Medicine (M.D.)

Career & Practice History Timeline

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

9 Historical Events

📍

Updated Practice Location June 14, 2024

Registered at 2000 E MILESTONE DR, APPLETON, WI 549136701 (Tel: 9207318289)

📍

Updated Business Mailing Address June 14, 2024

Registered at 2000 E MILESTONE DR, APPLETON, WI 549136701 (Tel: 9207318289)

🎓

Medical Taxonomy / Specialty Registered (Primary Specialty) June 14, 2024

Surgery (License #43500 020 in WI)

✅

NPI Profile Active July 08, 2007

NPI status registered as active in NPPES database

📍

Updated Practice Location July 08, 2007

Registered at 1818 N MEADE ST, SUITE 240 WEST, APPLETON, WI 549113454 (Tel: 9207318289)

📍

Updated Business Mailing Address July 08, 2007

Registered at 1818 N MEADE ST, SUITE 240 WEST, APPLETON, WI 549113454 (Tel: 9207318289)

👤

Provider Name / Credentials Updated July 08, 2007

Recorded as CHARLES CHENG, MD

🎓

Medical Taxonomy / Specialty Registered (Primary Specialty) July 08, 2007

Surgery (License #43500 020 in WI)

🟢

Initial NPI Registration & Enumeration August 16, 2005

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: 1285626465

Entity Type:

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

Enumeration Date: August 16, 2005

Last Update: July 22, 2025

Sole Proprietor: No

Update or Correct Profile

Mailing Address

2000 E Milestone Dr

Appleton, WI 549136701

Phone: 9207318289

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.