What is Donald Mangum's specialty?

Donald Mangum (NPI 1679641799) is a Medicare-billing provider whose primary specialty is Gastroenterology in Springfield, MO.

Where does Donald Mangum practice?

Donald Mangum practices in Springfield, MO, based on the location reported in the CMS Medicare provider datasets for NPI 1679641799.

How much does Medicare pay Donald Mangum?

Donald Mangum (NPI 1679641799) received approximately $91K in total Medicare Part B payments, serving 558 beneficiaries, per the CMS Medicare Physician & Other Practitioners dataset.

PROVIDER PROFILE · NPI 1679641799

Donald MangumMD

GastroenterologySpringfield, MOI

MEDICARE UTILIZATION · PART B · 2024

Total beneficiaries

648

Unique beneficiaries

—

Total services

665

Distinct HCPCS

Medicare payment

$80K

Peer benchmark

Total Medicare services vs. 294 Gastroenterology providers in MO — above median (cohort median 585).

PRESCRIBING · PART D · 2024

Total Rx claims

1,429

Beneficiaries

—

Total drug cost

$578K

Distinct drugs

Brand share

71.0%

Top prescribed drugs

Sodium Chloride/Nahco3/Kcl/Peg551 claims

Peg3350/Sod Sulf,bicarb,cl/Kcl107 claims

Peg3350/Sod Sulf,bicarb,cl/Kcl77 claims

Pantoprazole Sodium73 claims

Sodium Chloride/Nahco3/Kcl/Peg71 claims

QUALITY · MIPS · 2024

No data available for this provider in 2024.

INDUSTRY PAYMENTS · OPEN PAYMENTS · 2025

Total received

$101

Payment records

By payment type

Food and Beverage$101

Top paying entities

Food and Beverage$101

REFERRAL NETWORK

Where Donald Mangum's patients come from & go

Directional shared-patient flow from Medicare claims — who sends patients to this provider (inbound) and where this provider's patients go next (outbound). 27 inbound referrers · 0 outbound destinations.

Receives referrals from

Inbound — who sends patients here

Physician	Patients	Visits
Stanley Wiggins Clinical Cardiac Electrophysiology · Springfield, MO	66	175
Ryan Davies Diagnostic Radiology · Springfield, MO	41	80
Jinna Chen Diagnostic Radiology · Springfield, MO	38	104
Joan Tomanek Diagnostic Radiology · Eden Prairie, MN	29	71
Jacob Taussig Diagnostic Radiology · Springfield, MO	29	69
Gerald Ondr Diagnostic Radiology · Springfield, MO	28	68
Kristina Burton Nurse Practitioner · Great Falls, MT	24	49
Melissa Grisaffe Nurse Practitioner · Springfield, MO	23	50
Jay Sparks Family Practice · Springfield, MO	20	52
Allison Felton Nurse Practitioner · Ava, MO	19	32
LESTER E COX MEDICAL CENTERS	18	41
Jordan Page Diagnostic Radiology · Springfield, MO	18	37

Refers patients to

Outbound — where patients go next

No outbound pairs above the suppression threshold.

Source: CMS Physician Shared Patient Patterns (30-day window, Medicare FFS). Direction = a beneficiary seen by the first provider, then the second, within 30 days; a proxy for referral, not a documented referral. Pairs with fewer than 11 shared beneficiaries are suppressed.

CROSS-REFERENCE

Related data on other Healthparse brands

ProviderScore

OIG/SAM exclusion screening, sanctions history

Healthparse Signals

Monitor this provider for changes — dated NPI change events