What is Allison Hays's specialty?

Allison Hays (NPI 1831394394) is a Medicare-billing provider whose primary specialty is Cardiology in Baltimore, MD.

Where does Allison Hays practice?

Allison Hays practices in Baltimore, MD, based on the location reported in the CMS Medicare provider datasets for NPI 1831394394.

How much does Medicare pay Allison Hays?

Allison Hays (NPI 1831394394) received approximately $91K in total Medicare Part B payments, serving 1,699 beneficiaries, per the CMS Medicare Physician & Other Practitioners dataset.

PROVIDER PROFILE · NPI 1831394394

Allison HaysMD

PRACTICEJOHNS HOPKINS HOSPITALSee all providers at this practice →

CardiologyBaltimore, MDI

MEDICARE UTILIZATION · PART B · 2024

Total beneficiaries

2,176

Unique beneficiaries

—

Total services

2,598

Distinct HCPCS

Medicare payment

$88K

Peer benchmark

Total Medicare services vs. 450 Cardiology providers in MD — below median (cohort median 3,358).

PRESCRIBING · PART D · 2024

No data available for this provider in 2024.

QUALITY · MIPS · 2024

Final MIPS score

83.3

Quality

73.9

Cost

70.5

Improvement activities

40.0

Promoting interop.

100.0

Payment adjustment

0.35%

Group

INDUSTRY PAYMENTS · OPEN PAYMENTS · 2024

No data available for this provider in 2024.

REFERRAL NETWORK

Where Allison Hays'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). 81 inbound referrers · 0 outbound destinations.

Receives referrals from

Inbound — who sends patients here

Physician	Patients	Visits
John Eng Diagnostic Radiology · Baltimore, MD	89	160
David Feigin Diagnostic Radiology · Baltimore, MD	75	168
Theodore Abraham Cardiology · San Francisco, CA	66	97
CORRETTI, MARY	58	98
Ulrike Hamper Diagnostic Radiology · Baltimore, MD	56	82
Gary Gerstenblith Cardiology · Baltimore, MD	53	73
Scott Berkowitz Cardiology · Baltimore, MD	46	63
Alan Cheng Clinical Cardiac Electrophysiology · Baltimore, MD	43	63
Jon Resar Cardiology · Baltimore, MD	41	74
Erin Michos Cardiology · Baltimore, MD	40	59
Matthews Chacko Cardiology · Nashville, TN	40	61
Wendy Post Cardiology · Baltimore, MD	37	54

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