What is Jason Hatjioannou's specialty?

Jason Hatjioannou (NPI 1740285923) is a Medicare-billing provider whose primary specialty is Internal Medicine in Johnson City, TN.

Where does Jason Hatjioannou practice?

Jason Hatjioannou practices in Johnson City, TN, based on the location reported in the CMS Medicare provider datasets for NPI 1740285923.

How much does Medicare pay Jason Hatjioannou?

Medicare Part B utilization, prescribing (Part D), MIPS quality scores, and industry payments for Jason Hatjioannou (NPI 1740285923) are detailed on this CareTrace profile.

PROVIDER PROFILE · NPI 1740285923

Jason Hatjioannou

Internal MedicineJohnson City, TNI

MEDICARE UTILIZATION · PART B · 2024

No data available for this provider in 2024.

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 Jason Hatjioannou'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). 24 inbound referrers · 0 outbound destinations.

Receives referrals from

Inbound — who sends patients here

Physician	Patients	Visits
MOUNTAIN STATES HEALTH ALLIANCE	65	184
SOLSTAS LAB PARTNERS GROUP LLC	37	221
Glen Hatcher Diagnostic Radiology · Johnson City, TN	31	86
Vincent Becker Diagnostic Radiology · Johnson City, TN	29	68
Jose Picaza Diagnostic Radiology · Johnson City, TN	27	84
Washington County-Johnson City Emergency Medical Services Inc Ambulance Service Provider · Johnson City, TN	27	89
Lisa Lull Diagnostic Radiology · Alexandria, VA	26	88
Perry Jernigan Diagnostic Radiology · Johnson City, TN	25	75
Avinash Reddy Diagnostic Radiology · Johnson City, TN	23	50
Fawwaz Hamati Cardiology · Johnson City, TN	21	85
Ashley Seale Physician Assistant · Johnson City, TN	20	111
Hadi El Bazouni Internal Medicine · Johnson City, TN	19	92

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