Active NPI 1588641856 Individual Practitioner Male Practitioner

Dr. Darren G Nelson , MD

Surgery • Berlin, WI

Professional Overview & Biography Verified Profile Summary

Dr. Darren Nelson, MD is a registered healthcare professional specializing in Surgery in Berlin, WI. Practice services are available at 225 MEMORIAL DR under active NPI credentials.

Frequently performed procedures and clinical services include new patient outpatient office visit, 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

225 Memorial Dr
Ste 2000

Berlin, WI 549231243

Telephone 9203615340

Fax 9203615335

Associated Practice Facility / Clinic

🏢 Central Wisconsin Anesthesi Facility NPI 1013006816

Specialty Benchmarks & Practice Insights

Comparative analytics for Surgery in Berlin, WI

Active Practitioner

Practitioner Clinical Experience

Active

City Avg: 30.0 Yrs

State Avg: 25.2 Yrs

Regional Practice Density

4 Specialists

Practicing in Berlin, WI (765 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

Performed Procedures & Service Volume

Top Medicare Part B procedures performed by this practitioner

CMS Official Data (2023)

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	14	14	$520.00	$156.76

HCPCS Code & Description	Services	Patients	Submitted Charge	Medicare Allowed
99212 Established patient office or other outpatient visit with straightforward medical decision making, if using time, 10 minutes or more	40	30	$149.00	$53.44
99213 Established patient office or other outpatient visit, typically 15 minutes	24	23	$221.00	$86.37
43239 Biopsy of esophagus, stomach, and/or upper small bowel using a flexible endoscope	20	20	$2014.00	$77.68
99214 Established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more	20	19	$340.00	$122.58
99204 New patient office or other outpatient visit with moderate level of medical decision making, if using time, 45 minutes or more	16	16	$505.00	$158.87
G0105 Colorectal cancer screening; colonoscopy on individual at high risk	13	13	$2050.00	$165.43

HCPCS Code & Description	Services	Patients	Submitted Charge	Medicare Allowed
99214 Established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more	37	31	$340.74	$124.32
99204 New patient office or other outpatient visit with moderate level of medical decision making, if using time, 45 minutes or more	34	34	$489.32	$160.15
99212 Established patient office or other outpatient visit with straightforward medical decision making, if using time, 10 minutes or more	20	13	$144.15	$53.87
99213 Established patient office or other outpatient visit, typically 15 minutes	17	15	$222.10	$87.48
G0105 Colorectal cancer screening; colonoscopy on individual at high risk	13	13	$1808.88	$174.85
45380 Biopsy of large bowel using an endoscope	12	12	$2262.19	$146.31
43239 Biopsy of esophagus, stomach, and/or upper small bowel using a flexible endoscope	11	11	$1873.64	$84.13

HCPCS Code & Description	Services	Patients	Submitted Charge	Medicare Allowed
99212 Established patient office or other outpatient visit with straightforward medical decision making, if using time, 10 minutes or more	57	37	$136.08	$43.45
99204 New patient office or other outpatient visit with moderate level of medical decision making, if using time, 45 minutes or more	38	38	$487.38	$154.52
99214 Established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more	25	22	$334.58	$104.93
45378 Diagnostic exam of large bowel using a flexible endoscope	23	22	$1689.58	$169.68
43239 Biopsy of esophagus, stomach, and/or upper small bowel using a flexible endoscope	15	13	$1770.58	$87.67
43235 Diagnostic exam of esophagus, stomach, and/or upper small bowel using a flexible endoscope	14	14	$1387.61	$76.37
99213 Established patient office or other outpatient visit, typically 15 minutes	11	11	$225.72	$72.03

HCPCS Code & Description	Services	Patients	Submitted Charge	Medicare Allowed
99212 Established patient office or other outpatient visit with straightforward medical decision making, if using time, 10 minutes or more	64	45	$125.25	$43.03
99204 New patient office or other outpatient visit with moderate level of medical decision making, if using time, 45 minutes or more	35	35	$470.21	$156.64
99214 Established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more	32	30	$307.95	$101.68
43239 Biopsy of esophagus, stomach, and/or upper small bowel using a flexible endoscope	24	24	$1723.28	$72.19
99213 Established patient office or other outpatient visit, typically 15 minutes	16	12	$209.00	$70.97
G0105 Colorectal cancer screening; colonoscopy on individual at high risk	16	16	$1644.30	$163.86
45378 Diagnostic exam of large bowel using a flexible endoscope	14	14	$1660.73	$172.49
45384 Removal of polyps or growths of large bowel using a flexible endoscope with electrical cautery	13	13	$1973.13	$125.70
43248 Insertion of guide wire with dilation of esophagus using a flexible endoscope	12	11	$1785.00	$134.29

HCPCS Code & Description	Services	Patients	Submitted Charge	Medicare Allowed
99212 Established patient office or other outpatient visit with straightforward medical decision making, if using time, 10 minutes or more	76	49	$120.00	$41.65
99204 New patient office or other outpatient visit with moderate level of medical decision making, if using time, 45 minutes or more	36	36	$449.00	$154.27
99214 Established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more	31	30	$295.00	$99.45
43239 Biopsy of esophagus, stomach, and/or upper small bowel using a flexible endoscope	24	24	$1651.00	$94.12
99231 Follow-up hospital inpatient care per day, typically 15 minutes	19	11	$112.00	$37.49
43235 Diagnostic exam of esophagus, stomach, and/or upper small bowel using a flexible endoscope	16	16	$1292.00	$82.02
45378 Diagnostic exam of large bowel using a flexible endoscope	15	14	$1587.00	$161.61
G0105 Colorectal cancer screening; colonoscopy on individual at high risk	14	14	$1566.00	$172.01
99213 Established patient office or other outpatient visit, typically 15 minutes	14	13	$199.00	$70.12
99221 Initial hospital inpatient care per day, typically 30 minutes	12	12	$288.00	$96.12
45384 Removal of polyps or growths of large bowel using a flexible endoscope with electrical cautery	11	11	$1893.00	$143.62

HCPCS Code & Description	Services	Patients	Submitted Charge	Medicare Allowed
99212 Established patient office or other outpatient visit with straightforward medical decision making, if using time, 10 minutes or more	73	36	$116.00	$41.65
99203 New patient office or other outpatient visit with low level of medical decision making, if using time, 30 minutes or more	29	29	$285.00	$103.08
99214 Established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more	26	26	$286.00	$102.93
43235 Diagnostic exam of esophagus, stomach, and/or upper small bowel using a flexible endoscope	19	19	$1229.00	$88.47
45378 Diagnostic exam of large bowel using a flexible endoscope	19	19	$1511.00	$175.86
99213 Established patient office or other outpatient visit, typically 15 minutes	15	15	$193.00	$69.97
43239 Biopsy of esophagus, stomach, and/or upper small bowel using a flexible endoscope	15	15	$1580.00	$91.68
99204 New patient office or other outpatient visit with moderate level of medical decision making, if using time, 45 minutes or more	13	13	$435.00	$156.32

Medical Specialties & State Licenses

Surgery Primary Specialty

NUCC Taxonomy Code: 208600000X

State License WI 38814

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

32331500 (WI)

Practice Associates & Co-Workers

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

3 Associated Practitioners

Dr. Barry Rogers , MD

Surgery

NPI 1003893371

Doctor of Medicine (M.D.)

Dr. Horace Lo , MD

Surgery

NPI 1114988466

Doctor of Medicine (M.D.)

Brian Resop

Nurse Anesthetist, Certified Registered

NPI 1790075299

Career & Practice History Timeline

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

6 Historical Events

✅

NPI Profile Active October 24, 2014

NPI status registered as active in NPPES database

📍

Updated Practice Location October 24, 2014

Registered at 225 MEMORIAL DR, STE 2000, BERLIN, WI 549231243 (Tel: 9203615340)

📍

Updated Business Mailing Address October 24, 2014

Registered at 225 MEMORIAL DR, STE 2000, BERLIN, WI 549231243 (Tel: 9203615340)

👤

Provider Name / Credentials Updated October 24, 2014

Recorded as DARREN NELSON, MD

🎓

Medical Taxonomy / Specialty Registered (Primary Specialty) October 24, 2014

Surgery (License #38814 in WI)

🟢

Initial NPI Registration & Enumeration December 28, 2005

First registered as active Individual Practitioner in NPPES Database.

Patient & Community Reviews

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NPI Administrative Meta

NPI Number: 1588641856

Entity Type:

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

Enumeration Date: December 28, 2005

Last Update: October 24, 2014

Sole Proprietor: No

Update or Correct Profile

Mailing Address

225 Memorial Dr, Ste 2000

Berlin, WI 549231243

Phone: 9203615340

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.