Deactivated NPI 1790713022 Deactivated / Inactive NPI Male Practitioner

Dr. David Flanagan , MD

Surgery • Sioux Falls, SD

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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. David Flanagan has officially deactivated this NPI record and ceased active healthcare practice.

Registration / Start Date June 28, 2006

NPI Deactivation Date April 23, 2026

Total Practice Duration ~20 Years of Practice (2006 – 2026)

Professional Overview & Biography Verified Profile Summary

Dr. David Flanagan, MD was a registered Surgery practicing in Sioux Falls, SD. Throughout an active medical career spanning 20 years, Dr. Flanagan provided care at the practice location at 1200 S 7TH AVE until profile deactivation on 2026-04-23.

Historical Medicare Part B clinical services included new patient outpatient office visit, established patient outpatient office visit, colorectal cancer screening; colonoscopy on individual not meeting criteria for high risk. Public procedure reimbursement records and service volume details are provided below for historical transparency.

Practice Location & Contact Primary Location

Practice Address

1200 S 7th Ave
Ste 2

Sioux Falls, SD 571050998

Telephone 6053362140

Associated Practice Facility / Clinic

🏢 Avera Mckennan Facility NPI 1376575514

Specialty Benchmarks & Practice Insights

Comparative analytics for Surgery in Sioux Falls, SD

Active Practitioner

Practitioner Clinical Experience

Active

City Avg: 21.4 Yrs

State Avg: 25.8 Yrs

Regional Practice Density

39 Specialists

Practicing in Sioux Falls, SD (126 Statewide)

Telehealth Adoption Rate

2.6% Regional Adoption

In-Person Office Visits Only

Medicare Pricing Discount

74.5% 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 (2022)

Reporting Year:

HCPCS Code & Description	Services	Patients	Submitted Charge	Medicare Allowed
99202 New patient office or other outpatient visit, typically 20 minutes	52	52	$233.00	$69.97
99212 Established patient office or other outpatient visit with straightforward medical decision making, if using time, 10 minutes or more	34	32	$135.00	$53.01
99213 Established patient office or other outpatient visit, typically 15 minutes	14	14	$227.50	$87.42
G0121 Colorectal cancer screening; colonoscopy on individual not meeting criteria for high risk	12	12	$990.00	$180.56
99218 Hospital observation care typically 30 minutes	11	11	$319.00	$95.37

HCPCS Code & Description	Services	Patients	Submitted Charge	Medicare Allowed
99202 New patient office or other outpatient visit, typically 20 minutes	77	77	$233.00	$70.50
99212 Established patient office or other outpatient visit with straightforward medical decision making, if using time, 10 minutes or more	61	55	$135.00	$53.97
99213 Established patient office or other outpatient visit, typically 15 minutes	18	17	$227.50	$88.51
G0121 Colorectal cancer screening; colonoscopy on individual not meeting criteria for high risk	17	17	$990.00	$184.93
G0105 Colorectal cancer screening; colonoscopy on individual at high risk	11	11	$592.86	$184.52

HCPCS Code & Description	Services	Patients	Submitted Charge	Medicare Allowed
99201 New patient office or other outpatient visit, typically 10 minutes	54	54	$136.50	$44.25
99212 Established patient office or other outpatient visit with straightforward medical decision making, if using time, 10 minutes or more	46	44	$135.00	$43.98

HCPCS Code & Description	Services	Patients	Submitted Charge	Medicare Allowed
99202 New patient office or other outpatient visit, typically 20 minutes	58	58	$229.98	$74.86
99213 Established patient office or other outpatient visit, typically 15 minutes	43	41	$223.27	$72.86
99214 Established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more	23	22	$325.93	$106.90
99201 New patient office or other outpatient visit, typically 10 minutes	23	23	$136.33	$44.72
99212 Established patient office or other outpatient visit with straightforward medical decision making, if using time, 10 minutes or more	18	17	$134.78	$43.92
45378 Diagnostic exam of large bowel using a flexible endoscope	14	14	$975.50	$193.96
G0121 Colorectal cancer screening; colonoscopy on individual not meeting criteria for high risk	12	12	$970.67	$193.88

HCPCS Code & Description	Services	Patients	Submitted Charge	Medicare Allowed
99202 New patient office or other outpatient visit, typically 20 minutes	75	75	$222.94	$72.86
99213 Established patient office or other outpatient visit, typically 15 minutes	51	51	$215.63	$70.83
99214 Established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more	18	16	$322.37	$104.53
99212 Established patient office or other outpatient visit with straightforward medical decision making, if using time, 10 minutes or more	17	17	$129.88	$42.27
99203 New patient office or other outpatient visit with low level of medical decision making, if using time, 30 minutes or more	17	17	$325.69	$105.43
45378 Diagnostic exam of large bowel using a flexible endoscope	14	14	$954.99	$192.04
G0121 Colorectal cancer screening; colonoscopy on individual not meeting criteria for high risk	13	13	$950.21	$191.25
49505 Repair of groin hernia (5 years or older)	12	12	$1635.71	$600.65

HCPCS Code & Description	Services	Patients	Submitted Charge	Medicare Allowed
99202 New patient office or other outpatient visit, typically 20 minutes	27	27	$73.99	$48.92
G0121 Colorectal cancer screening; colonoscopy on individual not meeting criteria for high risk	22	22	$185.03	$177.23
45385 Removal of polyps or growths of large bowel using an endoscope with mechanical snare	18	18	$244.92	$241.00
99213 Established patient office or other outpatient visit, typically 15 minutes	15	15	$72.41	$49.60
49505 Repair of groin hernia (5 years or older)	12	12	$603.15	$594.21
99212 Established patient office or other outpatient visit with straightforward medical decision making, if using time, 10 minutes or more	11	11	$43.27	$24.57

Medical Specialties & State Licenses

Surgery Primary Specialty

NUCC Taxonomy Code: 208600000X

State License SD 5298

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

36 Associated Practitioners

Dr. Michael Elliott , MD

Pediatrics

NPI 1013945310

Doctor of Medicine (M.D.)

Dr. April Beninga , DNP, FNP-C

Nurse Practitioner - Family

NPI 1083017560

Doctor of Nursing Practice, Family Nurse Practitioner (Certified)

Dr. Ricky Kooima , MD

Pediatrics

NPI 1093750283

Doctor of Medicine (M.D.)

Dr. Tricia Knutson , MD

Family Medicine

NPI 1134157357

Doctor of Medicine (M.D.)

Dr. Michael Stassen , MD

Family Medicine

NPI 1144257775

Doctor of Medicine (M.D.)

Kimberly Barber

Nurse Practitioner - Family

NPI 1154462091

Career & Practice History Timeline

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

7 Historical Events

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NPI Profile Deactivated April 23, 2026

Record deactivated on April 23, 2026

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NPI Profile Active September 18, 2009

NPI status registered as active in NPPES database

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Updated Practice Location September 18, 2009

Registered at 1200 S 7TH AVE, STE 2, SIOUX FALLS, SD 571050998 (Tel: 6053362140)

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Updated Business Mailing Address September 18, 2009

Registered at PO BOX 86430, SIOUX FALLS, SD 571186430 (Tel: 6053224900)

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Provider Name / Credentials Updated September 18, 2009

Recorded as DAVID FLANAGAN, M.D.

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Medical Taxonomy / Specialty Registered (Primary Specialty) September 18, 2009

Surgery (License #5298 in SD)

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Initial NPI Registration & Enumeration June 28, 2006

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: 1790713022

Entity Type:

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

Enumeration Date: June 28, 2006

Last Update: September 18, 2009

Deactivation Date: April 23, 2026

Update or Correct Profile

Mailing Address

Po Box 86430

Sioux Falls, SD 571186430

Phone: 6053224900

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.