What is Marilyn Kosier's specialty?

Marilyn Kosier (NPI 1710169974) is a Medicare-billing provider whose primary specialty is Ophthalmology in Lancaster, OH.

Where does Marilyn Kosier practice?

Marilyn Kosier practices in Lancaster, OH, based on the location reported in the CMS Medicare provider datasets for NPI 1710169974.

How much does Medicare pay Marilyn Kosier?

Marilyn Kosier (NPI 1710169974) received approximately $108K in total Medicare Part B payments, serving 569 beneficiaries, per the CMS Medicare Physician & Other Practitioners dataset.

PROVIDER PROFILE · NPI 1710169974

Marilyn KosierM.D.

PRACTICEMARILYN K. KOSIER, M.D., INC.See all providers at this practice →

OphthalmologyLancaster, OHI

MEDICARE UTILIZATION · PART B · 2024

Total beneficiaries

1,288

Unique beneficiaries

—

Total services

1,492

Distinct HCPCS

Medicare payment

$91K

Peer benchmark

Total Medicare services vs. 597 Ophthalmology providers in OH — below median (cohort median 1,675).

PRESCRIBING · PART D · 2024

Total Rx claims

2,499

Beneficiaries

—

Total drug cost

$242K

Distinct drugs

Brand share

35.7%

Top prescribed drugs

Prednisolone Acetate352 claims

Latanoprost322 claims

Moxifloxacin Hcl216 claims

Brimonidine Tartrate207 claims

Erythromycin Base187 claims

QUALITY · MIPS · 2024

Final MIPS score

81.3

Quality

100.0

Cost

37.8

Improvement activities

40.0

Promoting interop.

0.0

Payment adjustment

0.27%

Individual

INDUSTRY PAYMENTS · OPEN PAYMENTS · 2024

Total received

$42

Payment records

By payment type

Food and Beverage$42

Top paying entities

Food and Beverage$42

REFERRAL NETWORK

Where Marilyn Kosier'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). 13 inbound referrers · 0 outbound destinations.

Receives referrals from

Inbound — who sends patients here

Physician	Patients	Visits
FAIRFIELD MEDICAL CENTER	252	593
HOCKING VALLEY COMMUNITY HOSPITAL	46	76
Labone Of Ohio Inc Clinical Laboratory · Cincinnati, OH	26	52
NPI 1205801099	22	26
Richard Sielski Family Practice · Lancaster, OH	19	42
BATTEN, WILLIAM	16	54
Shantanu Sinha Cardiology · Lancaster, OH	16	52
Daniel Chase Otolaryngology · Lancaster, OH	14	25
Michael Murray Internal Medicine · Lancaster, OH	13	31
MOORE, JEFFREY	12	13
LIFE MEDICAL RESPONSE, INC.	11	39
Mark D'onofrio Orthopedic Surgery · Lancaster, OH	11	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