PROVIDER PROFILE · NPI 1437151115

David MierzwiakMD

PRACTICEBAY PARK LABSSee all providers at this practice →

Emergency MedicineOregon, OHI

MEDICARE UTILIZATION · PART B · 2024

Total beneficiaries

381

Unique beneficiaries

—

Total services

417

Distinct HCPCS

Medicare payment

$36K

Peer benchmark

Total Medicare services vs. 2,183 Emergency Medicine providers in OH — above median (cohort median 340).

PRESCRIBING · PART D · 2024

Total Rx claims

166

Beneficiaries

—

Total drug cost

$742

Distinct drugs

Brand share

37.3%

Top prescribed drugs

Ondansetron27 claims

Cephalexin26 claims

Prednisone24 claims

Hydrocodone/Acetaminophen18 claims

Sulfamethoxazole/Trimethoprim17 claims

QUALITY · MIPS · 2024

Final MIPS score

99.3

Quality

96.5

Cost

89.8

Improvement activities

40.0

Promoting interop.

0.0

Payment adjustment

1.02%

Group

INDUSTRY PAYMENTS · OPEN PAYMENTS · 2024

No data available for this provider in 2024.

REFERRAL NETWORK

Where David Mierzwiak'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). 29 inbound referrers · 82 outbound destinations.

Receives referrals from

Inbound — who sends patients here

Physician	Patients	Visits
THE TOLEDO HOSPITAL	53	121
MERCY HEALTH-ST CHARLES HOSPITAL LLC	47	151
TOLEDO HOSPITAL	47	119
Michael Walsh Diagnostic Radiology · Toledo, OH	39	74
SNYDER, ANGELA	26	38
Hassan Semaan Diagnostic Radiology · Napoleon, OH	22	58
NOVAK, WILLIAM	22	48
Stephen Stoll Diagnostic Radiology · Toledo, OH	22	53
Steven Shekut Diagnostic Radiology · Toledo, OH	21	41
ISSA, MARK	21	47
MERCY HEALTH - ST VINCENT MEDICAL CENTER LLC	20	50
Juli Smelser Nurse Practitioner · Holland, OH	20	28

Refers patients to

Outbound — where patients go next

Physician	Patients	Visits
BAY PARK COMMUNITY HOSPITAL	325	995
MEMORIAL HOSPITAL	192	573
Ajeet Sharma Cardiology · Oregon, OH	111	346
DEFIANCE HOSPITAL INC.	64	247
Sandusky County Office Of Auditor Ambulance Service Provider · Fremont, OH	59	102
THE TOLEDO HOSPITAL	58	140
TOLEDO HOSPITAL	53	110
Nathan Egbert Diagnostic Radiology · Toledo, OH	53	109
MERCY HEALTH-ST CHARLES HOSPITAL LLC	51	200
Ravi Adusumilli Cardiology · Toledo, OH	48	125
Murray Howe Diagnostic Radiology · Toledo, OH	39	104
Thomas Win Diagnostic Radiology · Toledo, OH	38	88

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