What is Sy Oang's specialty?

Sy Oang (NPI 1972692937) is a Medicare-billing provider whose primary specialty is Internal Medicine in Whittier, CA.

Where does Sy Oang practice?

Sy Oang practices in Whittier, CA, based on the location reported in the CMS Medicare provider datasets for NPI 1972692937.

How much does Medicare pay Sy Oang?

Sy Oang (NPI 1972692937) received approximately $46K in total Medicare Part B payments, serving 173 beneficiaries, per the CMS Medicare Physician & Other Practitioners dataset.

PROVIDER PROFILE · NPI 1972692937

Sy OangD.O.

Internal MedicineWhittier, CAI

MEDICARE UTILIZATION · PART B · 2024

Total beneficiaries

323

Unique beneficiaries

—

Total services

524

Distinct HCPCS

Medicare payment

$43K

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

8,013

Beneficiaries

—

Total drug cost

$506K

Distinct drugs

126

Brand share

20.8%

Top prescribed drugs

Atorvastatin Calcium509 claims

Amlodipine Besylate406 claims

Rosuvastatin Calcium403 claims

Levothyroxine Sodium363 claims

Losartan Potassium299 claims

QUALITY · MIPS · 2024

Final MIPS score

78.6

Quality

58.7

Cost

75.1

Improvement activities

40.0

Promoting interop.

0.0

Payment adjustment

0.15%

Group

INDUSTRY PAYMENTS · OPEN PAYMENTS · 2025

Total received

$16

Payment records

By payment type

Education$16

Top paying entities

Education$16

REFERRAL NETWORK

Where Sy Oang'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). 21 inbound referrers · 0 outbound destinations.

Receives referrals from

Inbound — who sends patients here

Physician	Patients	Visits
Unilab Corporation Clinical Laboratory · West Hills, CA	196	1,102
PIH HEALTH WHITTIER HOSPITAL	170	713
PATEL, BHARAT	48	115
Sudhaker Nayak Cardiology · Whittier, CA	40	157
Zareh Ounjian Diagnostic Radiology · Whittier, CA	29	85
Paresh Patel Internal Medicine · Whittier, CA	24	53
Richard Parks Interventional Cardiology · Whittier, CA	23	39
Nanette Kovash Diagnostic Radiology · Sacramento, CA	21	47
Daniel Saket Diagnostic Radiology · Whittier, CA	21	56
Kevin Huang Nephrology · Whittier, CA	20	75
Robert Kleinman Diagnostic Radiology · Whittier, CA	18	38
Richard Rison Neurology · Whittier, CA	17	44

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