caretrace.iopowered by▸healthparse
SearchCohort Builder
Tools▾
KOL FinderTerritoriesDrug Compare
AI Query
Browse▾
By stateBy specialty
Pricing
SearchCohort BuilderToolsKOL FinderTerritoriesDrug CompareAI QueryBrowseBy stateBy specialtyPricing
PROVIDER PROFILE · NPI 1083748727

Michael ChaiM.D.

Internal MedicineUpland, CAI
CROSS-REFERENCE

Related data on other Healthparse brands

ProviderScore
OIG/SAM exclusion screening, sanctions history
© 2026 CareTrace
PricingContactPrivacyTerms
FACILITY AFFILIATIONS

Hospital & Facility Affiliations (7)

CCN 059020
Home health agency
CCN 059166
Home health agency
CCN 557716
Home health agency
CCN 921519
Hospice
CCN 050099
Hospital
CCN 050231
Hospital
CCN 050782
Hospital
INDUSTRY PAYMENTS · OPEN PAYMENTS · 2024
Total received
$1K
Payment records
41
By payment type
Food and Beverage$992
Education$32
PRESCRIBING · PART D · 2024
Total Rx claims
7,441
Beneficiaries
—
Total drug cost
$720K
Distinct drugs
139
Brand share
19.8%
Top prescribed drugs
Atorvastatin Calcium415 claims
Rosuvastatin Calcium337 claims
Amlodipine Besylate318 claims
Levothyroxine Sodium295 claims
Prednisone238 claims
MEDICARE UTILIZATION · PART B · 2024
Total beneficiaries
1,033
Unique beneficiaries
—
Total services
2,037
Distinct HCPCS
16
Medicare payment
$150K
Peer benchmark
Q1
Q2
Q3
Q4
Q5
Total Medicare services vs. 10,499 Internal Medicine providers in CA — top quintile (cohort median 531).
QUALITY · MIPS · 2024
No data available for this provider in 2024.
REFERRAL NETWORK

Where Michael Chai'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). 37 inbound referrers · 100 outbound destinations.

Receives referrals from
Inbound — who sends patients here
PhysicianPatientsVisits
Sandar Win
Family Practice · Upland, CA
1771,133
Unilab Corporation
Clinical Laboratory · West Hills, CA
90204
John Goffigan
Diagnostic Radiology · Edina, MN
84323
CANIZALES, CARLOS67387
AKAMINE, JAMES63253
PALENCHAR, BARTHOLOMEW62219
Stuart Berry
Diagnostic Radiology · Rancho Cucamonga, CA
57229
Vatsal Mody
Cardiac Surgery · Rancho Cucamonga, CA
51135
NPI 135637875641135
Byung Ahn
Cardiology · Upland, CA
35133
Tuan Pham
Cardiology · Rancho Cucamonga, CA
34234
NPI 10332972133472
Refers patients to
Outbound — where patients go next
PhysicianPatientsVisits
SAN ANTONIO REGIONAL HOSPITAL4351,663
Vatsal Mody
Cardiac Surgery · Rancho Cucamonga, CA
151334
Sandar Win
Family Practice · Upland, CA
134805
American Medical Response Of Inland Empire
Ambulance Service Provider · Redlands, CA
129416
AKAMINE, JAMES115326
David Dang
Diagnostic Radiology · Upland, CA
113310
MICHAEL CHAI MD INC110541
Stuart Berry
Diagnostic Radiology · Rancho Cucamonga, CA
106295
SCHULTZ, CARL99299
John Goffigan
Diagnostic Radiology · Edina, MN
99295
Peter Yoo
Diagnostic Radiology · Upland, CA
91285
Suneet Pramanik
Diagnostic Radiology · Los Angeles, CA
85217
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.