What is Douglas Rethman's specialty?

Douglas Rethman (NPI 1881739431) is a Medicare-billing provider whose primary specialty is Internal Medicine in Columbus, OH.

Where does Douglas Rethman practice?

Douglas Rethman practices in Columbus, OH, based on the location reported in the CMS Medicare provider datasets for NPI 1881739431.

How much does Medicare pay Douglas Rethman?

Douglas Rethman (NPI 1881739431) received approximately $53K in total Medicare Part B payments, serving 145 beneficiaries, per the CMS Medicare Physician & Other Practitioners dataset.

PROVIDER PROFILE · NPI 1881739431

Douglas RethmanM.D.

PRACTICECENTRAL OHIO HOSPITALISTS, INCSee all providers at this practice →

Internal MedicineColumbus, OHI

MEDICARE UTILIZATION · PART B · 2024

Total beneficiaries

166

Unique beneficiaries

—

Total services

544

Distinct HCPCS

Medicare payment

$50K

Peer benchmark

Total Medicare services vs. 3,517 Internal Medicine providers in OH — below median (cohort median 587).

PRESCRIBING · PART D · 2024

No data available for this provider in 2024.

QUALITY · MIPS · 2024

No data available for this provider in 2024.

INDUSTRY PAYMENTS · OPEN PAYMENTS · 2025

No data available for this provider in 2025.

REFERRAL NETWORK

Where Douglas Rethman'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). 66 inbound referrers · 0 outbound destinations.

Receives referrals from

Inbound — who sends patients here

Physician	Patients	Visits
OHIOHEALTH CORPORATION	164	318
MARIETTA MEMORIAL HOSPITAL	136	609
Ibiene Osuobeni Internal Medicine · Newark, OH	48	581
Joseph Mayo Cardiology · Galion, OH	43	150
WRIGHT, RICK	40	86
Irani Samaranayake Internal Medicine · Columbus, OH	40	364
Jason Yax Internal Medicine · Columbus, OH	40	350
Robert Behnke Internal Medicine · Marietta, OH	37	170
OHIO STATE UNIVERSITY HOSPITALS	37	119
William Tarrant Diagnostic Radiology · Eden Prairie, MN	36	111
Steven Boker Diagnostic Radiology · Marietta, OH	34	77
Michael Bang Internal Medicine · Marietta, OH	32	142

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