What is Eun Byun's specialty?

Eun Byun (NPI 1861683047) is a Medicare-billing provider whose primary specialty is Physical Medicine and Rehabilitation in Fountain Valley, CA.

Where does Eun Byun practice?

Eun Byun practices in Fountain Valley, CA, based on the location reported in the CMS Medicare provider datasets for NPI 1861683047.

How much does Medicare pay Eun Byun?

Eun Byun (NPI 1861683047) received approximately $394K in total Medicare Part B payments, serving 368 beneficiaries, per the CMS Medicare Physician & Other Practitioners dataset.

PROVIDER PROFILE · NPI 1861683047

Eun ByunMD

Physical Medicine and RehabilitationFountain Valley, CAI

MEDICARE UTILIZATION · PART B · 2024

Total beneficiaries

724

Unique beneficiaries

—

Total services

4,887

Distinct HCPCS

Medicare payment

$394K

Peer benchmark

Total Medicare services vs. 710 Physical Medicine and Rehabilitation providers in CA — top quintile (cohort median 1,331).

PRESCRIBING · PART D · 2024

Total Rx claims

535

Beneficiaries

—

Total drug cost

$8K

Distinct drugs

Brand share

32.9%

Top prescribed drugs

Hydrocodone/Acetaminophen120 claims

Tramadol Hcl99 claims

Gabapentin61 claims

Pregabalin59 claims

Baclofen48 claims

QUALITY · MIPS · 2024

Final MIPS score

85.2

Quality

70.9

Cost

0.0

Improvement activities

40.0

Promoting interop.

0.0

Payment adjustment

0.43%

Group

INDUSTRY PAYMENTS · OPEN PAYMENTS · 2024

Total received

$9K

Payment records

By payment type

Grant$8K

Travel and Lodging$980

Food and Beverage$623

Top paying entities

Grant$8K

Travel and Lodging$980

Food and Beverage$623

REFERRAL NETWORK

Where Eun Byun'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). 93 inbound referrers · 0 outbound destinations.

Receives referrals from

Inbound — who sends patients here

Physician	Patients	Visits
KESSLER INSTITUTE FOR REHABILITATION INC	523	3,465
Paul Verona Diagnostic Radiology · Linden, NJ	456	4,309
HMH HOSPITALS CORPORATION	215	2,400
Konstantin Pertsovsky Family Practice · Wayne, NJ	194	1,539
Craig Eichner Internal Medicine · Wayne, NJ	147	4,492
Phalgun Nori Physical Medicine and Rehabilitation · San Jose, CA	140	979
Andrew Seise Physician Assistant · Verona, NJ	137	2,074
Michael Leonardo Internal Medicine · Wayne, NJ	132	4,526
PARIKH, SHAILESH	127	1,142
Evelyn Bailey Nurse Practitioner · Virginia Beach, VA	121	1,713
Allison Averill Physical Medicine and Rehabilitation · Saddle Brook, NJ	118	1,577
Gerard Donohue Psychologist, Clinical · Saddle Brook, NJ	115	727

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