Doctor profile · Federal record

Dr. Donald Mangum, MD

Gastroenterology Physician (CMS: Gastroenterology) · Springfield, MO

  • NPI 1679641799
  • Accepts Medicare
  • 40 yrs in practice
  • Male
  • Group practice
  • No sanctions

Practice & contact

NPPES Updated May 11, 2026
Primary practice
2115 S Fremont Ave, Suite 3300
Springfield, MO 658042239
(417) 820-5200
fax (417) 820-5220
Mailing address
Po Box 2580
Springfield, MO 658012580

Credentials & registration

NPPES · NUCC
NPI registered
November 2006 — 20 yrs on file
Profile last updated
May 7, 2013
Year of graduation
1986 — 40 yrs since
Specialty taxonomy
207RG0100X — NUCC code
State license (1)
Missouri #R1P79
Medicaid
MO #202989018

Federal sanctions & exclusions

OIG LEIE Updated May 11, 2026

No sanctions, exclusions or revocations on file

Checked against OIG LEIE on NPI 1679641799. Last verified May 11, 2026.

Medicare procedures · 2023

Top services delivered

CMS Provider Utilization
Total services
633
Distinct HCPCS
10
Medicare allowed
$91,050
HCPCS Description Services Patients Avg allowed
43235 Diagnostic exam of esophagus, stomach, and/or upper small bowel using a flexible endoscope 165 162 $103
45385 Removal of polyps or growths of large bowel using an endoscope with mechanical snare 128 128 $236
G0105 Colorectal cancer screening; colonoscopy on individual at high risk 71 71 $171
43450 Dilation of esophagus 52 52 $38
45378 Diagnostic exam of large bowel using a flexible endoscope 41 40 $165
G0121 Colorectal cancer screening; colonoscopy on individual not meeting criteria for high risk 34 34 $172
43239 Biopsy of esophagus, stomach, and/or upper small bowel using a flexible endoscope 27 27 $125
45380 Biopsy of large bowel using a flexible endoscope 27 27 $125
99214 Established patient office or other outpatient visit, 30-39 minutes 27 27 $116
99223 Initial hospital care with moderate level of medical decision making, if using time, at least 75 minutes 19 19 $167

In context: peer comparison

Among 8 peers in Springfield Gastroenterology Physician, average services per provider: 46. This provider delivers 14× the peer median.

Medicare Part D · 2023

Top prescriptions

CMS Part D Prescriber
Total claims
1,180
Patients
705
Total drug cost
$161,252
Drug Type Claims Patients Total cost
Peg 3350-Electrolyte (Sodium Chloride/Nahco3/Kcl/Peg) Brand 533 521 $11,574
Pantoprazole Sodium Generic 105 25 $1,043
Mesalamine Generic 61 12 $29,426
Balsalazide Disodium Generic 58 0 $10,882
Gavilyte-G (Peg3350/Sod Sulf,Bicarb,Cl/Kcl) Brand 56 56 $976
Omeprazole Generic 52 15 $1,284
Azathioprine Generic 50 12 $4,299
Dicyclomine Hcl Generic 47 19 $1,235
Colestipol Hcl Generic 42 0 $4,160
Spironolactone Generic 41 0 $878

Frequently asked questions

Auto-generated from federal data
What is Dr. Donald Mangum's medical specialty?
Dr. Donald Mangum practices Gastroenterology Physician in Springfield, MO.
Where does Dr. Donald Mangum practice?
Dr. Donald Mangum practices at 2115 S Fremont Ave, Springfield, MO 658042239. Office phone: 4178205200.
What is Dr. Donald Mangum's NPI?
Dr. Donald Mangum's National Provider Identifier (NPI) is 1679641799, issued by NPPES.
Does Dr. Donald Mangum accept Medicare assignment?
Yes. Dr. Donald Mangum accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.
What procedures does Dr. Donald Mangum commonly perform?
Top Medicare-reported procedures in 2023: Diagnostic exam of esophagus, stomach, and/or upper small bowel using a flexible endoscope (HCPCS 43235); Removal of polyps or growths of large bowel using an endoscope with mechanical snare (HCPCS 45385); Colorectal cancer screening; colonoscopy on individual at high risk (HCPCS G0105). Source: CMS Medicare Physician & Other Practitioners file.