Donald Mangum, MD
NPI 1679641799 · Gastroenterology Physician · Springfield, MO
Enrolled with Medicare as Practitioner - Gastroenterology · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Donald Mangum, MD is a Gastroenterology Physician provider in Springfield, MO (NPI 1679641799).
Provider details
- NPI number
- 1679641799
- Entity type
- Individual
- Primary specialty
- Gastroenterology PhysicianAllopathic & Osteopathic Physicians
- Credential
- MD
- Sex
- Male
- Sole proprietor
- No
- License
- R1P79 (MO)
Specialties & taxonomies
Allopathic & Osteopathic Physicians
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure28% of score
19 yrs in NPPES registry
- Profile completeness28% of score
100% of core fields populated
- Practice footprint17% of score
1 documented practice location
- Medicare service volume (vs. specialty peers)28% of score
665 Medicare services, 2024 (ranked within specialty)
Medicare volume is ranked against active providers in the same specialty. Signals a provider has no public data for (e.g. Medicare claims) are left out of the score entirely — never counted as zero — so providers without that data are not penalized. See the full formula and weights in our methodology.
What this provider does (Medicare)
Based on Medicare fee-for-service claims, 2024; not all care is captured.
| Service (HCPCS) | Medicare services | Typical Medicare-allowed (2024) |
|---|---|---|
| Diagnostic Exam of Esophagus, Stomach, And/Or Upper Small Bowel Using a Flexible Endoscope43235 | 150 | $98 |
| Removal of Polyps Or Growths of Large Bowel Using an Endoscope With Mechanical Snare45385 | 126 | $232 |
| Colorectal Cancer Screening; Colonoscopy on Individual at High RiskG0105 | 72 | $167 |
| Colorectal Cancer Screening; Colonoscopy on Individual Not Meeting Criteria for High RiskG0121 | 53 | $168 |
| Established Patient Office Or Other Outpatient Visit With Moderate Level of Decision Making, If Using Time, 30 Minutes Or More99214 | 46 | $116 |
What this provider prescribes (Medicare Part D)
Top drugs by Medicare Part D claim volume, 2024 · 27 distinct drugs on file.
| Drug | Part D claims (2024) | Beneficiaries |
|---|---|---|
| Sodium Chloride/Nahco3/Kcl/Pegbrand: Peg 3350-Electrolyte | 551 | 547 |
| Peg3350/Sod Sulf,bicarb,cl/Kclbrand: Peg-3350 and Electrolytes | 107 | 106 |
| Peg3350/Sod Sulf,bicarb,cl/Kclbrand: Gavilyte-G | 77 | 77 |
| Pantoprazole Sodium | 73 | 18 |
| Sodium Chloride/Nahco3/Kcl/Pegbrand: Gavilyte-N | 71 | 71 |
| Omeprazole | 63 | 14 |
Practice location
Mailing address
Registry dates
- Enumerated
- 2006-11-30
- Last updated
- 2013-05-07
Frequently asked questions
- What is Donald Mangum's NPI number?
- Donald Mangum's National Provider Identifier (NPI) is 1679641799, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Donald Mangum's specialty?
- Donald Mangum is listed in the NPPES registry with a primary specialty of Gastroenterology Physician (Allopathic & Osteopathic Physicians).
- Where is Donald Mangum located?
- Donald Mangum's practice location on file with NPPES is 2115 S Fremont Ave, Springfield, MO 65804-2239.
- What is Donald Mangum's phone number?
- The practice phone number listed in the NPPES registry for Donald Mangum is (417) 820-5200.
- Does Donald Mangum accept Medicare?
- Donald Mangum is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Donald Mangum's NPI active?
- Yes — Donald Mangum's NPI (1679641799) is active in the NPPES registry as of the last update on 2013-05-07.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.