What is Karen Frei's specialty?

Karen Frei (NPI 1902836141) is a Medicare-billing provider whose primary specialty is Neurology in Loma Linda, CA.

Where does Karen Frei practice?

Karen Frei practices in Loma Linda, CA, based on the location reported in the CMS Medicare provider datasets for NPI 1902836141.

How much does Medicare pay Karen Frei?

Karen Frei (NPI 1902836141) received approximately $126K in total Medicare Part B payments, serving 311 beneficiaries, per the CMS Medicare Physician & Other Practitioners dataset.

PROVIDER PROFILE · NPI 1902836141

Karen FreiM.D.

NeurologyLoma Linda, CAI

MEDICARE UTILIZATION · PART B · 2024

Total beneficiaries

466

Unique beneficiaries

—

Total services

6,451

Distinct HCPCS

Medicare payment

$85K

Peer benchmark

Total Medicare services vs. 1,670 Neurology providers in CA — top quintile (cohort median 581).

PRESCRIBING · PART D · 2024

Total Rx claims

2,351

Beneficiaries

—

Total drug cost

$820K

Distinct drugs

Brand share

39.3%

Top prescribed drugs

Carbidopa/Levodopa477 claims

Gabapentin184 claims

Primidone155 claims

Levetiracetam151 claims

Propranolol Hcl148 claims

QUALITY · MIPS · 2024

Final MIPS score

88.9

Quality

72.1

Cost

77.4

Improvement activities

40.0

Promoting interop.

80.0

Payment adjustment

0.58%

Group

INDUSTRY PAYMENTS · OPEN PAYMENTS · 2024

Total received

$411

Payment records

By payment type

Food and Beverage$411

Top paying entities

Food and Beverage$411

REFERRAL NETWORK

Where Karen Frei'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 · 0 outbound destinations.

Receives referrals from

Inbound — who sends patients here

Physician	Patients	Visits
SEVENTH-DAY ADVENTISTS LOMA LINDA UNIVERSITY MEDICAL CENTER	139	422
Unilab Corporation Clinical Laboratory · West Hills, CA	34	87
EISENHOWER MEDICAL CENTER	18	81
Travis Losey Neurology · Loma Linda, CA	15	32
Shannon Kirk Diagnostic Radiology · Loma Linda, CA	15	24
Kendra Fisher Diagnostic Radiology · Loma Linda, CA	14	21
Erica Kinne Diagnostic Radiology · Loma Linda, CA	12	22

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