What is John Marshall's specialty?

John Marshall (NPI 1174515381) is a Medicare-billing provider whose primary specialty is Physical Medicine and Rehabilitation in Novi, MI.

Where does John Marshall practice?

John Marshall practices in Novi, MI, based on the location reported in the CMS Medicare provider datasets for NPI 1174515381.

How much does Medicare pay John Marshall?

John Marshall (NPI 1174515381) received approximately $26K in total Medicare Part B payments, serving 95 beneficiaries, per the CMS Medicare Physician & Other Practitioners dataset.

PROVIDER PROFILE · NPI 1174515381

John MarshallMD

PRACTICEUNIVERSITY NEUROSURGICAL ASSOCIATES, PCSee all providers at this practice →

Physical Medicine and RehabilitationNovi, MII

MEDICARE UTILIZATION · PART B · 2024

Total beneficiaries

166

Unique beneficiaries

—

Total services

296

Distinct HCPCS

Medicare payment

$22K

Peer benchmark

Total Medicare services vs. 368 Physical Medicine and Rehabilitation providers in MI — below median (cohort median 855).

PRESCRIBING · PART D · 2024

Total Rx claims

3,426

Beneficiaries

—

Total drug cost

$118K

Distinct drugs

Brand share

48.6%

Top prescribed drugs

Hydrocodone/Acetaminophen892 claims

Oxycodone Hcl/Acetaminophen631 claims

Gabapentin374 claims

Oxycodone Hcl261 claims

Methocarbamol147 claims

QUALITY · MIPS · 2024

Final MIPS score

100.0

Quality

0.0

Cost

74.4

Improvement activities

40.0

Promoting interop.

100.0

Payment adjustment

1.05%

Group

INDUSTRY PAYMENTS · OPEN PAYMENTS · 2025

Total received

$48

Payment records

By payment type

Food and Beverage$48

Top paying entities

Food and Beverage$48

REFERRAL NETWORK

Where John 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). 3 inbound referrers · 5 outbound destinations.

Receives referrals from

Inbound — who sends patients here

Physician	Patients	Visits
Todd Nida Neurosurgery · Pontiac, MI	17	39
WHITESELL, DAVID	15	50
Fernando Diaz Neurosurgery · Royal Oak, MI	12	27

Refers patients to

Outbound — where patients go next

Physician	Patients	Visits
WILLIAM BEAUMONT HOSPITAL	18	38
Fernando Diaz Neurosurgery · Royal Oak, MI	17	45
ST JOSEPH MERCY HOSPITAL-SMHC	14	28
REGENTS OF THE UNIVERSITY OF MICHIGAN	14	40
WHITESELL, DAVID	12	34

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