What is Jacob Marshall's specialty?

Jacob Marshall (NPI 1922081249) is a Medicare-billing provider whose primary specialty is Family Practice in O Fallon, IL.

Where does Jacob Marshall practice?

Jacob Marshall practices in O Fallon, IL, based on the location reported in the CMS Medicare provider datasets for NPI 1922081249.

How much does Medicare pay Jacob Marshall?

Jacob Marshall (NPI 1922081249) received approximately $6K in total Medicare Part B payments, serving 44 beneficiaries, per the CMS Medicare Physician & Other Practitioners dataset.

PROVIDER PROFILE · NPI 1922081249

Jacob MarshallM.D.

Family PracticeO Fallon, ILI

MEDICARE UTILIZATION · PART B · 2024

Total beneficiaries

Unique beneficiaries

—

Total services

Distinct HCPCS

Medicare payment

$5K

Peer benchmark

Total Medicare services vs. 3,221 Family Practice providers in IL — bottom quintile (cohort median 556).

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 Jacob Marshall'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). 32 inbound referrers · 0 outbound destinations.

Receives referrals from

Inbound — who sends patients here

Physician	Patients	Visits
ST JOSEPHS HOSPITAL BREESE OF THE HOSPITAL SISTERS OF THE THIRD ORDE	270	1,089
DOYLE, THOMAS	157	384
ST JOSEPHS HOSPITAL OF THE HOSPITAL SISTERS OF THE THIRD ORDER OF ST F	82	323
Brett Prywitch Diagnostic Radiology · Chester, IL	82	176
Medstar Ambulance Inc Ambulance Service Provider · Sparta, IL	61	163
ST JOSEPHS HOSPITAL BREESE OF THE HOSPITAL SISTERS OF THE THIRD ORDE	53	150
City Of Breese Ambulance Service Provider · Breese, IL	47	114
Bhanu Prasad Sankineni Internal Medicine · Mchenry, IL	42	86
GRANITE CITY ILLINOIS HOSPITAL COMPANY LLC	35	67
ST ANTHONYS MEMORIAL HOSPITAL OF THE HOSPITAL SISTERS OF THE THIRD	35	121
Michael Nash Family Practice · Belleville, IL	33	153
James Lundy Family Practice · O Fallon, IL	30	91

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