What is Phioanh Nghiemphu's specialty?

Phioanh Nghiemphu (NPI 1871519017) is a Medicare-billing provider whose primary specialty is Neurology in Los Angeles, CA.

Where does Phioanh Nghiemphu practice?

Phioanh Nghiemphu practices in Los Angeles, CA, based on the location reported in the CMS Medicare provider datasets for NPI 1871519017.

How much does Medicare pay Phioanh Nghiemphu?

Phioanh Nghiemphu (NPI 1871519017) received approximately $19K in total Medicare Part B payments, serving 88 beneficiaries, per the CMS Medicare Physician & Other Practitioners dataset.

PROVIDER PROFILE · NPI 1871519017

Phioanh NghiemphuMD

NeurologyLos Angeles, CAI

MEDICARE UTILIZATION · PART B · 2024

Total beneficiaries

125

Unique beneficiaries

—

Total services

164

Distinct HCPCS

Medicare payment

$17K

Peer benchmark

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

PRESCRIBING · PART D · 2024

Total Rx claims

122

Beneficiaries

—

Total drug cost

$256K

Distinct drugs

Brand share

9.8%

Top prescribed drugs

Levetiracetam56 claims

Gabapentin15 claims

Lacosamide14 claims

Lamotrigine14 claims

Brigatinib12 claims

QUALITY · MIPS · 2024

Final MIPS score

93.7

Quality

86.4

Cost

67.0

Improvement activities

40.0

Promoting interop.

100.0

Payment adjustment

0.79%

Group

INDUSTRY PAYMENTS · OPEN PAYMENTS · 2025

Total received

$91K

Payment records

By payment type

Compensation for services other than consulting, including serving as faculty or as a speaker at a venue other than a continuing education program$52K

Consulting Fee$25K

Travel and Lodging$9K

Honoraria$3K

Food and Beverage$2K

Top paying entities

Compensation for services other than consulting, including serving as faculty or as a speaker at a venue other than a continuing education program$52K

Consulting Fee$25K

Travel and Lodging$9K

Honoraria$3K

Food and Beverage$2K

REFERRAL NETWORK

Where Phioanh Nghiemphu'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
Timothy Cloughesy Neurology · Los Angeles, CA	37	132
Nanette Fong Nurse Practitioner · Los Angeles, CA	21	49
Stellios Karnezis Diagnostic Radiology · Los Angeles, CA	16	35
Ali Sepahdari Diagnostic Radiology · Los Angeles, CA	16	32
Whitney Pope Diagnostic Radiology · Los Angeles, CA	16	40
Bryan Yoo Diagnostic Radiology · Los Angeles, CA	16	45
Juan Villablanca Diagnostic Radiology · Los Angeles, CA	11	33

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