PROVIDER PROFILE · NPI 1952352668

Huan GuuM.D.

PRACTICEPAVLO ISAK PSCSee all providers at this practice →

Internal MedicineMission Viejo, CAI

MEDICARE UTILIZATION · PART B · 2024

Total beneficiaries

1,623

Unique beneficiaries

—

Total services

5,224

Distinct HCPCS

Medicare payment

$484K

Peer benchmark

Total Medicare services vs. 10,499 Internal Medicine providers in CA — top quintile (cohort median 531).

PRESCRIBING · PART D · 2024

Total Rx claims

10,407

Beneficiaries

—

Total drug cost

$519K

Distinct drugs

161

Brand share

23.0%

Top prescribed drugs

Atorvastatin Calcium589 claims

Amlodipine Besylate495 claims

Apixaban471 claims

Levothyroxine Sodium430 claims

Gabapentin407 claims

QUALITY · MIPS · 2024

Final MIPS score

98.1

Quality

100.0

Cost

66.5

Improvement activities

40.0

Promoting interop.

0.0

Payment adjustment

0.97%

Group

INDUSTRY PAYMENTS · OPEN PAYMENTS · 2024

No data available for this provider in 2024.

REFERRAL NETWORK

Where Huan Guu'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). 136 inbound referrers · 0 outbound destinations.

Receives referrals from

Inbound — who sends patients here

Physician	Patients	Visits
AG MURRIETA SNF, LLC	374	1,706
NPI 1437161577	253	1,334
Steven Sorenson Diagnostic Radiology · Redlands, CA	246	2,097
Jeffrey Dym Diagnostic Radiology · Laguna Niguel, CA	215	1,689
HERREN ENTERPRISES INC	179	736
Navid Jahed Diagnostic Radiology · Mission Viejo, CA	168	1,119
MISSION AMBULANCE INC	162	488
UNIVERSAL HEALTH SERVICES OF RANCHO SPRINGS INC	159	475
Jackson Penry Diagnostic Radiology · Mission Viejo, CA	145	885
KAN-DI-KI LLC	136	568
EMERICARE INC	111	725
SADDLEBACK MEMORIAL MEDICAL CENTER	102	421

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