What is Joseph Kiernan's specialty?

Joseph Kiernan (NPI 1669429973) is a Medicare-billing provider whose primary specialty is Ophthalmology in Buffalo Grove, IL.

Where does Joseph Kiernan practice?

Joseph Kiernan practices in Buffalo Grove, IL, based on the location reported in the CMS Medicare provider datasets for NPI 1669429973.

How much does Medicare pay Joseph Kiernan?

Joseph Kiernan (NPI 1669429973) received approximately $503K in total Medicare Part B payments, serving 1,540 beneficiaries, per the CMS Medicare Physician & Other Practitioners dataset.

PROVIDER PROFILE · NPI 1669429973

Joseph KiernanMD

OphthalmologyBuffalo Grove, ILI

MEDICARE UTILIZATION · PART B · 2024

Total beneficiaries

6,161

Unique beneficiaries

—

Total services

7,533

Distinct HCPCS

Medicare payment

$488K

Peer benchmark

Total Medicare services vs. 667 Ophthalmology providers in IL — top quintile (cohort median 2,192).

PRESCRIBING · PART D · 2024

Total Rx claims

2,755

Beneficiaries

—

Total drug cost

$209K

Distinct drugs

Brand share

18.1%

Top prescribed drugs

Latanoprost880 claims

Timolol Maleate485 claims

Brimonidine Tartrate218 claims

Prednisolone Acetate210 claims

Ofloxacin109 claims

QUALITY · MIPS · 2024

No data available for this provider in 2024.

INDUSTRY PAYMENTS · OPEN PAYMENTS · 2024

Total received

$18

Payment records

By payment type

Food and Beverage$18

Top paying entities

Food and Beverage$18

REFERRAL NETWORK

Where Joseph Kiernan'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). 25 inbound referrers · 0 outbound destinations.

Receives referrals from

Inbound — who sends patients here

Physician	Patients	Visits
ADVOCATE HEALTH AND HOSPITALS CORPORATION	203	533
ENDEAVOR HEALTH CLINICAL OPERATIONS	118	318
ADVOCATE CONDELL MEDICAL CENTER	32	61
CENTRAL DUPAGE HOSPITAL ASSOCIATION	31	49
Abe Kaplan Ophthalmology · Buffalo Grove, IL	24	46
NORTHWESTERN MEMORIAL HOSPITAL	20	34
Christopher Goesel Diagnostic Radiology · Chicago, IL	18	18
NORTHWESTERN LAKE FOREST HOSPITAL	17	40
Sri Preethi Gunnala Diagnostic Radiology · Chicago, IL	16	17
NPI 1386635449	16	31
CENTEGRA CLINICAL LABORATORIES, LLC	15	48
Catherine Montalbano Diagnostic Radiology · Barrington, IL	14	15

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