What is Alan Chang's specialty?

Alan Chang (NPI 1255398285) is a Medicare-billing provider whose primary specialty is Gastroenterology in Bellingham, WA.

Where does Alan Chang practice?

Alan Chang practices in Bellingham, WA, based on the location reported in the CMS Medicare provider datasets for NPI 1255398285.

How much does Medicare pay Alan Chang?

Alan Chang (NPI 1255398285) received approximately $11K in total Medicare Part B payments, serving 56 beneficiaries, per the CMS Medicare Physician & Other Practitioners dataset.

PROVIDER PROFILE · NPI 1255398285

Alan ChangM.D.

PRACTICENORTHWEST GASTROENTEROLOGY PROFESSIONAL LLCSee all providers at this practice →

GastroenterologyBellingham, WAI

MEDICARE UTILIZATION · PART B · 2024

Total beneficiaries

Unique beneficiaries

—

Total services

Distinct HCPCS

Medicare payment

$9K

Peer benchmark

Total Medicare services vs. 359 Gastroenterology providers in WA — bottom quintile (cohort median 511).

PRESCRIBING · PART D · 2024

Total Rx claims

154

Beneficiaries

—

Total drug cost

$3K

Distinct drugs

Brand share

45.5%

Top prescribed drugs

Peg3350/Sod Sulf,bicarb,cl/Kcl55 claims

Pantoprazole Sodium45 claims

Omeprazole26 claims

Peg3350/Sod Sulf,bicarb,cl/Kcl15 claims

Sucralfate13 claims

QUALITY · MIPS · 2024

No data available for this provider in 2024.

INDUSTRY PAYMENTS · OPEN PAYMENTS · 2024

Total received

$15

Payment records

By payment type

Food and Beverage$15

Top paying entities

Food and Beverage$15

FACILITY AFFILIATIONS

Hospital & Facility Affiliations (1)

CCN 520002

Hospital

REFERRAL NETWORK

Where Alan 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). 3 inbound referrers · 10 outbound destinations.

Receives referrals from

Inbound — who sends patients here

Physician	Patients	Visits
Northwest Pathology Pllc Clinical Laboratory · Bellingham, WA	163	380
PEACEHEALTH	72	172
Gita Rabbani Diagnostic Radiology · Bellingham, WA	13	22

Refers patients to

Outbound — where patients go next

Physician	Patients	Visits
Northwest Endoscopy Center, Llc Ambulatory Surgical Center · Bellingham, WA	150	361
PEACEHEALTH	81	219
PEACEHEALTH	71	192
Northwest Pathology Pllc Clinical Laboratory · Bellingham, WA	42	59
Charles Ariz Diagnostic Radiology · Bellingham, WA	15	26
Gita Rabbani Diagnostic Radiology · Bellingham, WA	14	29
Kathryn Cambron Diagnostic Radiology · Omaha, NE	13	34
Brian Patterson Family Practice · Bellingham, WA	12	29
Jason Stoane Diagnostic Radiology · Bellingham, WA	11	26
Matthew Studley Diagnostic Radiology · Bellingham, WA	11	26

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