What is Sarah Ketchum's specialty?

Sarah Ketchum (NPI 1689781536) is a Medicare-billing provider whose primary specialty is Hematology-Oncology in South Portland, ME.

Where does Sarah Ketchum practice?

Sarah Ketchum practices in South Portland, ME, based on the location reported in the CMS Medicare provider datasets for NPI 1689781536.

How much does Medicare pay Sarah Ketchum?

Sarah Ketchum (NPI 1689781536) received approximately $32K in total Medicare Part B payments, serving 177 beneficiaries, per the CMS Medicare Physician & Other Practitioners dataset.

PROVIDER PROFILE · NPI 1689781536

Sarah KetchumM.D.

Hematology-OncologySouth Portland, MEI

MEDICARE UTILIZATION · PART B · 2024

Total beneficiaries

282

Unique beneficiaries

—

Total services

537

Distinct HCPCS

Medicare payment

$26K

Peer benchmark

Total Medicare services vs. 40 Hematology-Oncology providers in ME — above median (cohort median 575).

PRESCRIBING · PART D · 2024

Total Rx claims

190

Beneficiaries

—

Total drug cost

$470K

Distinct drugs

Brand share

25.3%

Top prescribed drugs

Hydroxyurea45 claims

Anastrozole34 claims

Acyclovir20 claims

Apixaban19 claims

Prednisone18 claims

QUALITY · MIPS · 2024

Final MIPS score

97.9

Quality

83.3

Cost

0.0

Improvement activities

40.0

Promoting interop.

100.0

Payment adjustment

0.97%

APM Entity

INDUSTRY PAYMENTS · OPEN PAYMENTS · 2025

No data available for this provider in 2025.

REFERRAL NETWORK

Where Sarah Ketchum'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). 8 inbound referrers · 0 outbound destinations.

Receives referrals from

Inbound — who sends patients here

Physician	Patients	Visits
Jerald Kuhn Diagnostic Radiology · Portland, ME	58	274
David Langdon Diagnostic Radiology · Portland, ME	49	378
Elena Wechsler Diagnostic Radiology · Portland, ME	41	182
Anna Niegowska Hematology · Portland, ME	32	181
Henry Talarico Diagnostic Radiology · Portland, ME	32	82
Nordx Clinical Laboratory · Scarborough, ME	23	111
Vna Home Health & Hospice Mass Immunizer Roster Biller · South Portland, ME	17	132
Sonyea Oliver Nurse Practitioner · Albany, NY	17	61

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