PROVIDER PROFILE · NPI 1235417734

Marissa Niemi

Physician AssistantErie, PAI

MEDICARE UTILIZATION · PART B · 2024

No data available for this provider in 2024.

PRESCRIBING · PART D · 2024

Total Rx claims

6,074

Beneficiaries

—

Total drug cost

$1.6M

Distinct drugs

Brand share

29.9%

Top prescribed drugs

Metoprolol Succinate677 claims

Sacubitril/Valsartan641 claims

Spironolactone579 claims

Empagliflozin494 claims

Furosemide407 claims

QUALITY · MIPS · 2024

No data available for this provider in 2024.

INDUSTRY PAYMENTS · OPEN PAYMENTS · 2024

Total received

$147

Payment records

By payment type

Food and Beverage$147

FACILITY AFFILIATIONS

Hospital & Facility Affiliations (5)

Hospital

Hospital

Hospital

Hospital

Hospital

REFERRAL NETWORK

Where Marissa Niemi'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). 4 inbound referrers · 7 outbound destinations.

Receives referrals from

Inbound — who sends patients here

Physician	Patients	Visits
Associated Clinical Laboratories Clinical Laboratory · Erie, PA	36	114
UPMC HAMOT	30	51
David Strasser Cardiology · Erie, PA	20	37
Kelly Hayes Cardiology · Erie, PA	12	27

Refers patients to

Outbound — where patients go next

Physician	Patients	Visits
UPMC HAMOT	54	119
Associated Clinical Laboratories Clinical Laboratory · Erie, PA	33	128
Paul Demjanenko Cardiology · Erie, PA	22	51
David Strasser Cardiology · Erie, PA	19	42
NPI 1518962976	15	22
Kelly Hayes Cardiology · Erie, PA	12	18
Jean Moubarak Cardiology · Erie, PA	12	19

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