What is Anna Niegowska's specialty?

Anna Niegowska (NPI 1437190634) is a Medicare-billing provider whose primary specialty is Hematology in Portland, ME.

Where does Anna Niegowska practice?

Anna Niegowska practices in Portland, ME, based on the location reported in the CMS Medicare provider datasets for NPI 1437190634.

How much does Medicare pay Anna Niegowska?

Anna Niegowska (NPI 1437190634) received approximately $16K in total Medicare Part B payments, serving 144 beneficiaries, per the CMS Medicare Physician & Other Practitioners dataset.

PROVIDER PROFILE · NPI 1437190634

Anna NiegowskaMD

HematologyPortland, MEI

MEDICARE UTILIZATION · PART B · 2024

Total beneficiaries

158

Unique beneficiaries

—

Total services

222

Distinct HCPCS

Medicare payment

$15K

Peer benchmark

Total Medicare services vs. 4 Hematology providers in ME — below median (cohort median 315).

PRESCRIBING · PART D · 2024

Total Rx claims

603

Beneficiaries

—

Total drug cost

$910K

Distinct drugs

Brand share

8.6%

Top prescribed drugs

Anastrozole265 claims

Tamoxifen Citrate60 claims

Exemestane53 claims

Letrozole48 claims

Alendronate Sodium41 claims

QUALITY · MIPS · 2024

Final MIPS score

81.7

Quality

60.7

Cost

73.8

Improvement activities

40.0

Promoting interop.

91.0

Payment adjustment

0.28%

Group

INDUSTRY PAYMENTS · OPEN PAYMENTS · 2025

Total received

$486

Payment records

By payment type

Food and Beverage$486

Top paying entities

Food and Beverage$486

REFERRAL NETWORK

Where Anna Niegowska'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). 7 inbound referrers · 15 outbound destinations.

Receives referrals from

Inbound — who sends patients here

Physician	Patients	Visits
Jerald Kuhn Diagnostic Radiology · Portland, ME	44	159
David Langdon Diagnostic Radiology · Portland, ME	40	171
Henry Talarico Diagnostic Radiology · Portland, ME	36	81
Elena Wechsler Diagnostic Radiology · Portland, ME	27	115
Nordx Clinical Laboratory · Scarborough, ME	21	117
Vna Home Health & Hospice Mass Immunizer Roster Biller · South Portland, ME	16	49
Sonyea Oliver Nurse Practitioner · Albany, NY	13	45

Refers patients to

Outbound — where patients go next

Physician	Patients	Visits
MERCY HOSPITAL	175	2,786
Roger Inhorn Medical Oncology · Rockport, ME	33	282
Jerald Kuhn Diagnostic Radiology · Portland, ME	32	150
David Langdon Diagnostic Radiology · Portland, ME	32	114
Sarah Ketchum Hematology-Oncology · South Portland, ME	32	181
Elena Wechsler Diagnostic Radiology · Portland, ME	27	143
Henry Talarico Diagnostic Radiology · Portland, ME	19	56
EASTERN MAINE MEDICAL CENTER	19	94
MAINEHEALTH	18	74
Nordx Clinical Laboratory · Scarborough, ME	17	103
Suzanne Hoekstra General Surgery · Portland, ME	15	100
POULIN, FREDERICK	15	56

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