What is Charlie Chang's specialty?

Charlie Chang (NPI 1417996109) is a Medicare-billing provider whose primary specialty is Endocrinology in Webster, TX.

Where does Charlie Chang practice?

Charlie Chang practices in Webster, TX, based on the location reported in the CMS Medicare provider datasets for NPI 1417996109.

How much does Medicare pay Charlie Chang?

Charlie Chang (NPI 1417996109) received approximately $262K in total Medicare Part B payments, serving 785 beneficiaries, per the CMS Medicare Physician & Other Practitioners dataset.

PROVIDER PROFILE · NPI 1417996109

Charlie ChangM.D.

PRACTICEENDOCRINOLOGY CLINIC AT CLEAR LAKE SPECIALTIES PLLCSee all providers at this practice →

EndocrinologyWebster, TXI

MEDICARE UTILIZATION · PART B · 2024

Total beneficiaries

1,295

Unique beneficiaries

—

Total services

5,418

Distinct HCPCS

Medicare payment

$217K

Peer benchmark

Total Medicare services vs. 484 Endocrinology providers in TX — top quintile (cohort median 868).

PRESCRIBING · PART D · 2024

Total Rx claims

10,560

Beneficiaries

—

Total drug cost

$5.2M

Distinct drugs

Brand share

55.3%

Top prescribed drugs

Semaglutide899 claims

Levothyroxine Sodium790 claims

Metformin Hcl469 claims

Levothyroxine Sodium449 claims

Metformin Hcl407 claims

QUALITY · MIPS · 2024

Final MIPS score

75.0

Quality

30.0

Cost

72.8

Improvement activities

0.0

Promoting interop.

0.0

Payment adjustment

0.00%

Individual

INDUSTRY PAYMENTS · OPEN PAYMENTS · 2024

Total received

$2K

Payment records

121

By payment type

Food and Beverage$2K

Top paying entities

Food and Beverage$2K

REFERRAL NETWORK

Where Charlie 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). 66 inbound referrers · 114 outbound destinations.

Receives referrals from

Inbound — who sends patients here

Physician	Patients	Visits
Quest Diagnostics Clinical Laboratories Inc Clinical Laboratory · Houston, TX	458	1,422
CHCA CLEAR LAKE LP	236	520
BAY AREA REGIONAL MEDICAL CENTER, LLC	65	114
Brian Miles Diagnostic Radiology · Houston, TX	52	109
William Uzelmeier Diagnostic Radiology · Houston, TX	37	64
Rajiv Thakur Interventional Radiology · Houston, TX	36	107
Steven Gerguis Diagnostic Radiology · Houston, TX	34	76
Sandeep Amesur Diagnostic Radiology · Houston, TX	34	79
Edwin Rodriguez-Reyes Diagnostic Radiology · Houston, TX	34	63
Abdul Abdellatif Nephrology · Webster, TX	33	160
Alfred Maksoud Pulmonary Disease · Webster, TX	32	80
Douglas Macinerney Diagnostic Radiology · Houston, TX	31	54

Refers patients to

Outbound — where patients go next

Physician	Patients	Visits
Quest Diagnostics Clinical Laboratories Inc Clinical Laboratory · Houston, TX	179	509
CHCA CLEAR LAKE LP	138	293
Laboratory Corporation Of America Clinical Laboratory · Houston, TX	49	91
UNIVERSITY OF TEXAS MEDICAL BRANCH AT GALVESTON	44	130
Brian Miles Diagnostic Radiology · Houston, TX	42	65
Robert Brown Diagnostic Radiology · Houston, TX	39	79
William Uzelmeier Diagnostic Radiology · Houston, TX	37	55
Rakesh Shah Cardiology · Webster, TX	37	139
BAY AREA REGIONAL MEDICAL CENTER, LLC	36	51
Maaz Abbasi Nephrology · Sugar Land, TX	36	120
Kuldip Kaul Endocrinology · Nassau Bay, TX	34	68
John Hyun Diagnostic Radiology · Houston, TX	34	53

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