What is Liam Sullivan's specialty?

Liam Sullivan (NPI 1619158359) is a Medicare-billing provider whose primary specialty is Infectious Disease in Grand Rapids, MI.

Where does Liam Sullivan practice?

Liam Sullivan practices in Grand Rapids, MI, based on the location reported in the CMS Medicare provider datasets for NPI 1619158359.

How much does Medicare pay Liam Sullivan?

Liam Sullivan (NPI 1619158359) received approximately $19K in total Medicare Part B payments, serving 105 beneficiaries, per the CMS Medicare Physician & Other Practitioners dataset.

PROVIDER PROFILE · NPI 1619158359

Liam SullivanDO

Infectious DiseaseGrand Rapids, MII

MEDICARE UTILIZATION · PART B · 2024

Total beneficiaries

139

Unique beneficiaries

—

Total services

164

Distinct HCPCS

Medicare payment

$16K

Peer benchmark

Total Medicare services vs. 212 Infectious Disease providers in MI — below median (cohort median 386).

PRESCRIBING · PART D · 2024

Total Rx claims

135

Beneficiaries

—

Total drug cost

$111K

Distinct drugs

Brand share

47.4%

Top prescribed drugs

Cefazolin Sodium26 claims

Amoxicillin/Potassium Clav22 claims

Amoxicillin17 claims

Doxycycline Hyclate16 claims

Imipenem/Cilastatin Sodium16 claims

QUALITY · MIPS · 2024

No data available for this provider in 2024.

INDUSTRY PAYMENTS · OPEN PAYMENTS · 2025

Total received

$28

Payment records

By payment type

Food and Beverage$28

Top paying entities

Food and Beverage$28

REFERRAL NETWORK

Where Liam Sullivan'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). 53 inbound referrers · 0 outbound destinations.

Receives referrals from

Inbound — who sends patients here

Physician	Patients	Visits
Katherine Defouw Nurse Practitioner · Grand Rapids, MI	34	116
TENEYCK, CAROL	34	145
SPECTRUM HEALTH PRIMARY CARE PARTNERS	30	117
PETERSON, NEIL	30	98
Joann Baar Nurse Practitioner · Grand Rapids, MI	29	120
Craig Moore Diagnostic Radiology · Grand Rapids, MI	27	101
QUICK, JOHN	27	59
Christopher Buchach Diagnostic Radiology · Grand Rapids, MI	26	102
Amanda Kelly Physician Assistant · Ada, MI	24	102
James Larson Diagnostic Radiology · Grand Rapids, MI	24	67
Angelo Porcari Diagnostic Radiology · Grand Rapids, MI	22	65
BOSANKO, CAROL MAE	22	69

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