What is Sarah Walker's specialty?

Sarah Walker (NPI 1124428628) is a Medicare-billing provider whose primary specialty is Nurse Practitioner in Lexington, MS.

Where does Sarah Walker practice?

Sarah Walker practices in Lexington, MS, based on the location reported in the CMS Medicare provider datasets for NPI 1124428628.

How much does Medicare pay Sarah Walker?

Sarah Walker (NPI 1124428628) received approximately $4K in total Medicare Part B payments, serving 40 beneficiaries, per the CMS Medicare Physician & Other Practitioners dataset.

PROVIDER PROFILE · NPI 1124428628

Sarah WalkerBC-C

PRACTICEGREENWOOD LEFLORE HOSPITALSee all providers at this practice →

Nurse PractitionerLexington, MSI

MEDICARE UTILIZATION · PART B · 2024

Total beneficiaries

Unique beneficiaries

—

Total services

Distinct HCPCS

Medicare payment

$2K

Peer benchmark

Total Medicare services vs. 3,111 Nurse Practitioner providers in MS — bottom quintile (cohort median 434).

PRESCRIBING · PART D · 2024

Total Rx claims

Beneficiaries

—

Total drug cost

$3K

Distinct drugs

Brand share

54.2%

Top prescribed drugs

Brimonidine Tartrate/Timolol13 claims

Azithromycin11 claims

QUALITY · MIPS · 2024

Final MIPS score

78.4

Quality

54.2

Cost

73.7

Improvement activities

40.0

Promoting interop.

100.0

Payment adjustment

0.14%

Group

INDUSTRY PAYMENTS · OPEN PAYMENTS · 2025

Total received

$17

Payment records

By payment type

Food and Beverage$17

Top paying entities

Food and Beverage$17

FACILITY AFFILIATIONS

Hospital & Facility Affiliations (1)

CCN 251313

Hospital

REFERRAL NETWORK

Where Sarah Walker'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). 1 inbound referrers · 5 outbound destinations.

Receives referrals from

Inbound — who sends patients here

Physician	Patients	Visits
STATE OF MISSISSIPPI - UNIVERSITY OF MISSISSIPPI MEDICAL CENTER	12	44

Refers patients to

Outbound — where patients go next

Physician	Patients	Visits
GREENWOOD LEFLORE HOSPITAL	76	215
STATE OF MISSISSIPPI - UNIVERSITY OF MISSISSIPPI MEDICAL CENTER	38	144
STATE OF MISSISSIPPI - UNIVERSITY OF MISSISSIPPI MEDICAL CENTER	23	89
Amy Johnson Nurse Practitioner · Lexington, MS	14	40
NPI 1144289471	12	35

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