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

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