PROVIDER PROFILE · NPI 1255315545

Margaret Koehm

PRACTICEDR. SUZANNE DUNCAN MD LLCSee all providers at this practice →

Family PracticeNantucket, MAI

MEDICARE UTILIZATION · PART B · 2024

No data available for this provider in 2024.

PRESCRIBING · PART D · 2024

Total Rx claims

802

Beneficiaries

—

Total drug cost

$45K

Distinct drugs

Brand share

18.5%

Top prescribed drugs

Atorvastatin Calcium106 claims

Metoprolol Succinate42 claims

Simvastatin32 claims

Albuterol Sulfate32 claims

Gabapentin31 claims

QUALITY · MIPS · 2024

No data available for this provider in 2024.

INDUSTRY PAYMENTS · OPEN PAYMENTS · 2024

No data available for this provider in 2024.

FACILITY AFFILIATIONS

Hospital & Facility Affiliations (4)

Home health agency

Hospice

Hospital

Hospital

REFERRAL NETWORK

Where Margaret Koehm'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). 2 inbound referrers · 2 outbound destinations.

Receives referrals from

Inbound — who sends patients here

Physician	Patients	Visits
NANTUCKET COTTAGE HOSPITAL	54	483
THE GENERAL HOSPITAL CORPORATION	11	23

Refers patients to

Outbound — where patients go next

Physician	Patients	Visits
NANTUCKET COTTAGE HOSPITAL	73	708
Michael Ruby Optometry · Nantucket, MA	13	32

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