What is Mona Chang's specialty?

Mona Chang (NPI 1639159825) is a Medicare-billing provider whose primary specialty is Family Practice in Williamsport, PA.

Where does Mona Chang practice?

Mona Chang practices in Williamsport, PA, based on the location reported in the CMS Medicare provider datasets for NPI 1639159825.

How much does Medicare pay Mona Chang?

Mona Chang (NPI 1639159825) received approximately $110K in total Medicare Part B payments, serving 329 beneficiaries, per the CMS Medicare Physician & Other Practitioners dataset.

PROVIDER PROFILE · NPI 1639159825

Mona ChangMD

Family PracticeWilliamsport, PAI

MEDICARE UTILIZATION · PART B · 2024

Total beneficiaries

1,112

Unique beneficiaries

—

Total services

1,989

Distinct HCPCS

Medicare payment

$103K

Peer benchmark

Total Medicare services vs. 4,194 Family Practice providers in PA — top quintile (cohort median 645).

PRESCRIBING · PART D · 2024

Total Rx claims

7,535

Beneficiaries

—

Total drug cost

$657K

Distinct drugs

132

Brand share

20.1%

Top prescribed drugs

Atorvastatin Calcium405 claims

Metoprolol Succinate379 claims

Lisinopril354 claims

Levothyroxine Sodium313 claims

Omeprazole250 claims

QUALITY · MIPS · 2024

No data available for this provider in 2024.

INDUSTRY PAYMENTS · OPEN PAYMENTS · 2025

Total received

$348

Payment records

By payment type

Food and Beverage$348

Top paying entities

Food and Beverage$348

REFERRAL NETWORK

Where Mona Chang'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). 9 inbound referrers · 0 outbound destinations.

Receives referrals from

Inbound — who sends patients here

Physician	Patients	Visits
Family Practice Center, Pc Clinical Laboratory · Selinsgrove, PA	111	334
David Quintana Diagnostic Radiology · Williamsport, PA	28	92
Quest Diagnostics Clinical Laboratories Inc Clinical Laboratory · Norristown, PA	21	35
Prakash Koshy Diagnostic Radiology · Williamsport, PA	18	50
ESAA, SHABBIR	17	49
DINCHER, GARY	14	34
GEISINGER MEDICAL CENTER	14	33
John Becker Diagnostic Radiology · Williamsport, PA	14	35
Lisa Robinholt Physician Assistant · Williamsport, PA	11	50

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