What is Jonathan Marsh's specialty?

Jonathan Marsh (NPI 1689657165) is a Medicare-billing provider whose primary specialty is Internal Medicine in Indianapolis, IN.

Where does Jonathan Marsh practice?

Jonathan Marsh practices in Indianapolis, IN, based on the location reported in the CMS Medicare provider datasets for NPI 1689657165.

How much does Medicare pay Jonathan Marsh?

Jonathan Marsh (NPI 1689657165) received approximately $179K in total Medicare Part B payments, serving 468 beneficiaries, per the CMS Medicare Physician & Other Practitioners dataset.

PROVIDER PROFILE · NPI 1689657165

Jonathan MarshMD

Internal MedicineIndianapolis, INI

MEDICARE UTILIZATION · PART B · 2024

Total beneficiaries

1,972

Unique beneficiaries

—

Total services

2,493

Distinct HCPCS

Medicare payment

$175K

Peer benchmark

Total Medicare services vs. 1,429 Internal Medicine providers in IN — top quintile (cohort median 666).

PRESCRIBING · PART D · 2024

Total Rx claims

11,540

Beneficiaries

—

Total drug cost

$1.3M

Distinct drugs

151

Brand share

23.7%

Top prescribed drugs

Rosuvastatin Calcium702 claims

Atorvastatin Calcium604 claims

Levothyroxine Sodium537 claims

Amlodipine Besylate373 claims

Tirzepatide333 claims

QUALITY · MIPS · 2024

No data available for this provider in 2024.

INDUSTRY PAYMENTS · OPEN PAYMENTS · 2025

Total received

$23

Payment records

By payment type

Food and Beverage$23

Top paying entities

Food and Beverage$23

REFERRAL NETWORK

Where Jonathan Marsh'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). 3 inbound referrers · 0 outbound destinations.

Receives referrals from

Inbound — who sends patients here

Physician	Patients	Visits
Bruce Waller Cardiology · Indianapolis, IN	279	746
ST. VINCENT HOSPITAL & HEALTH CARE CENTER, INC.	100	279
INDIANA UNIVERSITY HEALTH INC	16	30

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