What is Jason Gruss's specialty?

Jason Gruss (NPI 1558574319) is a Medicare-billing provider whose primary specialty is Physical Medicine and Rehabilitation in Chicago, IL.

Where does Jason Gruss practice?

Jason Gruss practices in Chicago, IL, based on the location reported in the CMS Medicare provider datasets for NPI 1558574319.

How much does Medicare pay Jason Gruss?

Jason Gruss (NPI 1558574319) received approximately $109K in total Medicare Part B payments, serving 402 beneficiaries, per the CMS Medicare Physician & Other Practitioners dataset.

PROVIDER PROFILE · NPI 1558574319

Jason GrussM.D.

Physical Medicine and RehabilitationChicago, ILI

MEDICARE UTILIZATION · PART B · 2024

Total beneficiaries

877

Unique beneficiaries

—

Total services

1,332

Distinct HCPCS

Medicare payment

$108K

Peer benchmark

Total Medicare services vs. 355 Physical Medicine and Rehabilitation providers in IL — below median (cohort median 1,381).

PRESCRIBING · PART D · 2024

Total Rx claims

Beneficiaries

—

Total drug cost

$7K

Distinct drugs

Brand share

20.3%

Top prescribed drugs

Atorvastatin Calcium22 claims

Pantoprazole Sodium13 claims

Amlodipine Besylate12 claims

Apixaban12 claims

QUALITY · MIPS · 2024

Final MIPS score

0.0

Quality

0.0

Cost

0.0

Improvement activities

0.0

Promoting interop.

0.0

Payment adjustment

-9.00%

Individual

INDUSTRY PAYMENTS · OPEN PAYMENTS · 2025

No data available for this provider in 2025.

REFERRAL NETWORK

Where Jason Gruss'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). 54 inbound referrers · 0 outbound destinations.

Receives referrals from

Inbound — who sends patients here

Physician	Patients	Visits
Superior Air-Ground Ambulance Service, Inc Ambulance Service Provider · Elmhurst, IL	165	329
ENDEAVOR HEALTH CLINICAL OPERATIONS	128	453
COUNCIL FOR JEWISH ELDERLY	122	270
DELEO, CAESAR	66	121
ALEXIAN BROTHERS MEDICAL CENTER	52	102
ASTORIA PLACE LIVING AND REHABILITATION CENTER LLC	43	93
Patricia Mcdougall Nurse Practitioner · Tullahoma, TN	43	162
La Shawna Williams Physical Medicine and Rehabilitation · Panorama City, CA	43	73
City Of Chicago Ambulance Service Provider · Chicago, IL	36	49
CORY, ROBERT	33	54
Christopher Kay Diagnostic Radiology · Evanston, IL	28	45
Wolf Peddinghaus Internal Medicine · Skokie, IL	28	100

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