What is Lisa Sebastyn's specialty?

Lisa Sebastyn (NPI 1811083371) is a Medicare-billing provider whose primary specialty is Physician Assistant in Springfield, MA.

Where does Lisa Sebastyn practice?

Lisa Sebastyn practices in Springfield, MA, based on the location reported in the CMS Medicare provider datasets for NPI 1811083371.

How much does Medicare pay Lisa Sebastyn?

Lisa Sebastyn (NPI 1811083371) received approximately $49K in total Medicare Part B payments, serving 757 beneficiaries, per the CMS Medicare Physician & Other Practitioners dataset.

PROVIDER PROFILE · NPI 1811083371

Lisa SebastynPA-C

Physician AssistantSpringfield, MAI

MEDICARE UTILIZATION · PART B · 2024

Total beneficiaries

1,219

Unique beneficiaries

—

Total services

2,614

Distinct HCPCS

Medicare payment

$49K

Peer benchmark

Total Medicare services vs. 3,315 Physician Assistant providers in MA — top quintile (cohort median 227).

PRESCRIBING · PART D · 2024

Total Rx claims

Beneficiaries

—

Total drug cost

$6K

Distinct drugs

Brand share

100.0%

Top prescribed drugs

Apixaban11 claims

QUALITY · MIPS · 2024

No data available for this provider in 2024.

INDUSTRY PAYMENTS · OPEN PAYMENTS · 2025

Total received

$37

Payment records

By payment type

Food and Beverage$37

Top paying entities

Food and Beverage$37

REFERRAL NETWORK

Where Lisa Sebastyn'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). 9 inbound referrers · 0 outbound destinations.

Receives referrals from

Inbound — who sends patients here

Physician	Patients	Visits
BAYSTATE MEDICAL CENTER INC	111	277
Marshal Fox Clinical Cardiac Electrophysiology · Springfield, MA	23	70
Mathias Stoenescu Clinical Cardiac Electrophysiology · Bend, OR	20	46
Frances Hurley Nurse Practitioner · Springfield, MA	18	81
BRODER, MARTIN	17	23
THE MERCY HOSPITAL INC	14	40
William Hiser Cardiology · Springfield, MA	13	31
Sheila Shoemaker Nurse Practitioner · Springfield, MA	12	29
Rose Manarite Nurse Practitioner · Springfield, MA	11	13

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