What is Karen Greenhaw's specialty?

Karen Greenhaw (NPI 1649548686) is a Medicare-billing provider whose primary specialty is Nurse Practitioner in Penn Valley, CA.

Where does Karen Greenhaw practice?

Karen Greenhaw practices in Penn Valley, CA, based on the location reported in the CMS Medicare provider datasets for NPI 1649548686.

How much does Medicare pay Karen Greenhaw?

Karen Greenhaw (NPI 1649548686) received approximately $815 in total Medicare Part B payments, serving 16 beneficiaries, per the CMS Medicare Physician & Other Practitioners dataset.

PROVIDER PROFILE · NPI 1649548686

Karen GreenhawFNP

PRACTICESIERRA NEVADA PRIMARY CARESee all providers at this practice →

Nurse PractitionerPenn Valley, CAI

MEDICARE UTILIZATION · PART B · 2024

No data available for this provider in 2024.

PRESCRIBING · PART D · 2024

Total Rx claims

978

Beneficiaries

—

Total drug cost

$31K

Distinct drugs

Brand share

17.6%

Top prescribed drugs

Levothyroxine Sodium95 claims

Atorvastatin Calcium92 claims

Losartan Potassium64 claims

Hydrocodone/Acetaminophen53 claims

Rosuvastatin Calcium49 claims

QUALITY · MIPS · 2024

No data available for this provider in 2024.

INDUSTRY PAYMENTS · OPEN PAYMENTS · 2025

Total received

$104

Payment records

By payment type

Food and Beverage$104

Top paying entities

Food and Beverage$104

REFERRAL NETWORK

Where Karen Greenhaw'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). 14 inbound referrers · 0 outbound destinations.

Receives referrals from

Inbound — who sends patients here

Physician	Patients	Visits
William Klas Family Practice · Placerville, CA	47	274
Alexander Guo Diagnostic Radiology · Placerville, CA	26	81
Scott Vasconcellos Cardiology · Placerville, CA	25	133
Stanley Henjum Cardiology · Placerville, CA	23	111
FOLEY, CAROL	18	139
NPI 1417950585	17	60
SCHLUND, JOHN	15	68
Prakash Dobaria Internal Medicine · Placerville, CA	14	141
WALTER, MARC	13	48
Shane Torgerson Emergency Medicine · Placerville, CA	13	68
Michael Mirhadi Emergency Medicine · Orange, CA	13	69
DUNNING, RICHARD	12	43

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