What is Gregory Rihacek's specialty?

Gregory Rihacek (NPI 1114992773) is a Medicare-billing provider whose primary specialty is Internal Medicine in Somerset, NJ.

Where does Gregory Rihacek practice?

Gregory Rihacek practices in Somerset, NJ, based on the location reported in the CMS Medicare provider datasets for NPI 1114992773.

How much does Medicare pay Gregory Rihacek?

Gregory Rihacek (NPI 1114992773) received approximately $122K in total Medicare Part B payments, serving 318 beneficiaries, per the CMS Medicare Physician & Other Practitioners dataset.

PROVIDER PROFILE · NPI 1114992773

Gregory RihacekMD

Internal MedicineSomerset, NJI

MEDICARE UTILIZATION · PART B · 2024

Total beneficiaries

714

Unique beneficiaries

—

Total services

3,618

Distinct HCPCS

Medicare payment

$120K

Peer benchmark

Total Medicare services vs. 3,616 Internal Medicine providers in NJ — top quintile (cohort median 895).

PRESCRIBING · PART D · 2024

Total Rx claims

4,585

Beneficiaries

—

Total drug cost

$4.8M

Distinct drugs

Brand share

31.7%

Top prescribed drugs

Prednisone359 claims

Oxycodone Hcl202 claims

Hydroxychloroquine Sulfate189 claims

Oxycodone Hcl/Acetaminophen167 claims

Tramadol Hcl140 claims

QUALITY · MIPS · 2024

Final MIPS score

24.1

Quality

0.0

Cost

80.4

Improvement activities

0.0

Promoting interop.

0.0

Payment adjustment

-6.11%

Individual

INDUSTRY PAYMENTS · OPEN PAYMENTS · 2024

Total received

$15K

Payment records

235

By payment type

Food and Beverage$5K

Compensation for services other than consulting, including serving as faculty or as a speaker at a venue other than a continuing education program$4K

Honoraria$4K

Travel and Lodging$1K

Education$177

Top paying entities

Food and Beverage$5K

Compensation for services other than consulting, including serving as faculty or as a speaker at a venue other than a continuing education program$4K

Honoraria$4K

Travel and Lodging$1K

Education$177

FACILITY AFFILIATIONS

Hospital & Facility Affiliations (2)

CCN 310039

Hospital

CCN 310070

Hospital

REFERRAL NETWORK

Where Gregory Rihacek'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). 8 inbound referrers · 20 outbound destinations.

Receives referrals from

Inbound — who sends patients here

Physician	Patients	Visits
Laboratory Corporation Of America Holdings Clinical Laboratory · Raritan, NJ	105	283
SAINT PETER'S UNIVERSITY HOSPITAL	64	268
ROBERT WOOD JOHNSON UNIVERSITY HOSPITAL, INC	25	63
Bioreference Health, Llc Clinical Laboratory · Elmwood Park, NJ	23	52
Vijay Uppal Diagnostic Radiology · East Brunswick, NJ	20	34
ROBERT WOOD JOHNSON UNIVERSITY HOSPITAL INC	16	51
Judith Amorosa Diagnostic Radiology · East Brunswick, NJ	11	20
Jack Stroh Interventional Cardiology · Somerset, NJ	11	23

Refers patients to

Outbound — where patients go next

Physician	Patients	Visits
Quest Diagnostics Incorporated Clinical Laboratory · Clifton, NJ	158	528
Laboratory Corporation Of America Holdings Clinical Laboratory · Raritan, NJ	87	239
SAINT PETER'S UNIVERSITY HOSPITAL	57	179
ROBERT WOOD JOHNSON UNIVERSITY HOSPITAL, INC	29	71
Bioreference Health, Llc Clinical Laboratory · Elmwood Park, NJ	27	61
Drugscan, Inc. Clinical Laboratory · Horsham, PA	25	75
Vijay Uppal Diagnostic Radiology · East Brunswick, NJ	19	37
Barry Zicherman Diagnostic Radiology · East Brunswick, NJ	16	34
Judith Amorosa Diagnostic Radiology · East Brunswick, NJ	15	24
ROBERT WOOD JOHNSON UNIVERSITY HOSPITAL INC	14	56
Harvey Jacobs Podiatry · Somerset, NJ	14	50
MALBERG, MARC	12	26

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