What is Karen Niehaus's specialty?

Karen Niehaus (NPI 1003983776) is a Medicare-billing provider whose primary specialty is Internal Medicine in Lincoln City, OR.

Where does Karen Niehaus practice?

Karen Niehaus practices in Lincoln City, OR, based on the location reported in the CMS Medicare provider datasets for NPI 1003983776.

How much does Medicare pay Karen Niehaus?

Medicare Part B utilization, prescribing (Part D), MIPS quality scores, and industry payments for Karen Niehaus (NPI 1003983776) are detailed on this CareTrace profile.

PROVIDER PROFILE · NPI 1003983776

Karen Niehaus

Internal MedicineLincoln City, ORI

MEDICARE UTILIZATION · PART B · 2024

No data available for this provider in 2024.

PRESCRIBING · PART D · 2024

Total Rx claims

1,208

Beneficiaries

—

Total drug cost

$48K

Distinct drugs

Brand share

13.7%

Top prescribed drugs

Levothyroxine Sodium93 claims

Losartan Potassium86 claims

Atorvastatin Calcium77 claims

Metoprolol Succinate72 claims

Gabapentin67 claims

QUALITY · MIPS · 2024

Final MIPS score

100.0

Quality

92.2

Cost

100.0

Improvement activities

40.0

Promoting interop.

100.0

Payment adjustment

1.05%

Group

INDUSTRY PAYMENTS · OPEN PAYMENTS · 2025

No data available for this provider in 2025.

REFERRAL NETWORK

Where Karen Niehaus'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). 23 inbound referrers · 50 outbound destinations.

Receives referrals from

Inbound — who sends patients here

Physician	Patients	Visits
SAMARITAN NORTH LINCOLN HOSPITAL	328	2,926
SAMARITAN NORTH LINCOLN HOSPITAL	295	1,528
ORDELHEIDE, KARL	68	346
Darrell Prins Podiatry · Lincoln City, OR	52	282
Raj Baman Emergency Medicine · Lincoln City, OR	41	91
Jefferson Hamlin Diagnostic Radiology · Corvallis, OR	39	135
Leslie Arpin Diagnostic Radiology · Corvallis, OR	37	105
Kevin Wherry Internal Medicine · Mcminnville, OR	27	166
Charles Knight Diagnostic Radiology · Corvallis, OR	25	59
FRANK, HOWARD	21	106
Albert Thompson Family Practice · Pacific City, OR	19	80
Kate Doyle Diagnostic Radiology · Meriden, CT	19	47

Refers patients to

Outbound — where patients go next

Physician	Patients	Visits
SAMARITAN NORTH LINCOLN HOSPITAL	406	4,163
SAMARITAN NORTH LINCOLN HOSPITAL	397	2,458
Pacific West Ambulance Inc Ambulance Service Provider · Newport, OR	83	293
ORDELHEIDE, KARL	80	426
GOOD SAMARITAN HOSPITAL CORVALLIS	56	195
Matthew Evitts Osteopathic Manipulative Medicine · Corvallis, OR	54	151
Darrell Prins Podiatry · Lincoln City, OR	54	282
Daniel Hendricks Diagnostic Radiology · Corvallis, OR	48	135
Jefferson Hamlin Diagnostic Radiology · Corvallis, OR	44	201
Steven Andescavage Emergency Medicine · Lincoln City, OR	39	96
SAMARITAN NORTH LINCOLN HOSPITAL	39	124
Leslie Arpin Diagnostic Radiology · Corvallis, OR	39	110

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