What is William Chang's specialty?

William Chang (NPI 1245223619) is a Medicare-billing provider whose primary specialty is Physical Medicine and Rehabilitation in Lima, OH.

Where does William Chang practice?

William Chang practices in Lima, OH, based on the location reported in the CMS Medicare provider datasets for NPI 1245223619.

How much does Medicare pay William Chang?

William Chang (NPI 1245223619) received approximately $101K in total Medicare Part B payments, serving 162 beneficiaries, per the CMS Medicare Physician & Other Practitioners dataset.

PROVIDER PROFILE · NPI 1245223619

William ChangMD

Physical Medicine and RehabilitationLima, OHI

MEDICARE UTILIZATION · PART B · 2024

Total beneficiaries

420

Unique beneficiaries

—

Total services

1,491

Distinct HCPCS

Medicare payment

$100K

Peer benchmark

Total Medicare services vs. 309 Physical Medicine and Rehabilitation providers in OH — above median (cohort median 1,105).

PRESCRIBING · PART D · 2024

Total Rx claims

587

Beneficiaries

—

Total drug cost

$23K

Distinct drugs

Brand share

12.4%

Top prescribed drugs

Trazodone Hcl97 claims

Gabapentin49 claims

Pantoprazole Sodium49 claims

Atorvastatin Calcium39 claims

Metoprolol Tartrate37 claims

QUALITY · MIPS · 2024

No data available for this provider in 2024.

INDUSTRY PAYMENTS · OPEN PAYMENTS · 2024

No data available for this provider in 2024.

FACILITY AFFILIATIONS

Hospital & Facility Affiliations (4)

Hospital

Hospital

Hospital

Inpatient rehabilitation facility

REFERRAL NETWORK

Where William 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). 8 inbound referrers · 10 outbound destinations.

Receives referrals from

Inbound — who sends patients here

Physician	Patients	Visits
Jason Allen Anesthesiology · Athens, OH	16	73
WALLIS, WILLIAM ROBERT	13	21
Andrew Guglielmi Diagnostic Radiology · East Lansing, MI	13	29
Shane Backus Diagnostic Radiology · Zanesville, OH	13	24
Tisha Archer Nurse Practitioner · Zanesville, OH	13	27
COOKE, COLEENE	12	16
Bryan Bjornstad Neurology · Zanesville, OH	12	31
Daniel Baker Diagnostic Radiology · New Albany, OH	11	19

Refers patients to

Outbound — where patients go next

Physician	Patients	Visits
GENESIS HEALTHCARE SYSTEM	104	717
Tisha Archer Nurse Practitioner · Zanesville, OH	20	46
COOKE, COLEENE	19	42
WALLIS, WILLIAM ROBERT	17	36
MUSKINGUM VALLEY HEALTH CENTERS	16	41
Jason Allen Anesthesiology · Athens, OH	16	102
GREENSPAN, JACK	14	33
Edmond Russ Diagnostic Radiology · Lexington, KY	13	29
Tami Mohan Physician Assistant · Zanesville, OH	13	22
Andrew Guglielmi Diagnostic Radiology · East Lansing, MI	11	23

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