What is Woo Sung Ahn's specialty?

Woo Sung Ahn (NPI 1396807806) is a Medicare-billing provider whose primary specialty is Internal Medicine in Lakewood, CA.

Where does Woo Sung Ahn practice?

Woo Sung Ahn practices in Lakewood, CA, based on the location reported in the CMS Medicare provider datasets for NPI 1396807806.

How much does Medicare pay Woo Sung Ahn?

Woo Sung Ahn (NPI 1396807806) received approximately $41K in total Medicare Part B payments, serving 105 beneficiaries, per the CMS Medicare Physician & Other Practitioners dataset.

PROVIDER PROFILE · NPI 1396807806

Woo Sung AhnMD

Internal MedicineLakewood, CAI

MEDICARE UTILIZATION · PART B · 2024

Total beneficiaries

227

Unique beneficiaries

—

Total services

699

Distinct HCPCS

Medicare payment

$39K

Peer benchmark

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

PRESCRIBING · PART D · 2024

Total Rx claims

15,499

Beneficiaries

—

Total drug cost

$2.8M

Distinct drugs

143

Brand share

39.8%

Top prescribed drugs

Rosuvastatin Calcium1,160 claims

Atorvastatin Calcium821 claims

Losartan/Hydrochlorothiazide800 claims

Amlodipine Besylate732 claims

Icosapent Ethyl588 claims

QUALITY · MIPS · 2024

No data available for this provider in 2024.

INDUSTRY PAYMENTS · OPEN PAYMENTS · 2024

Total received

$793

Payment records

By payment type

Food and Beverage$793

Top paying entities

Food and Beverage$793

REFERRAL NETWORK

Where Woo Sung Ahn'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). 3 inbound referrers · 6 outbound destinations.

Receives referrals from

Inbound — who sends patients here

Physician	Patients	Visits
Primex Clinical Laboratories Inc. Clinical Laboratory · Van Nuys, CA	61	536
Babak Giladi Podiatry · Los Angeles, CA	27	71
GARDENS REGIONAL HOSPITAL AND MEDICAL CENTER INC	12	34

Refers patients to

Outbound — where patients go next

Physician	Patients	Visits
GRAPEVINE HOMECARE INC	44	113
Primex Clinical Laboratories Inc. Clinical Laboratory · Van Nuys, CA	41	229
Laboratory Corporation Of America Clinical Laboratory · San Diego, CA	41	76
Ms Diagnostic Laboratory Llc Clinical Laboratory · Anaheim, CA	37	129
Babak Giladi Podiatry · Los Angeles, CA	24	62
Joseph Lee Ophthalmology · Buena Park, CA	19	50

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