Dr. Michael Chai, M.D.
Internal Medicine
76% Complete
Profile completeness
ZIP Healthcare Access Score
Limited Access
ZIP 91786 • D
19+
Years in Practice
Available
Telehealth
Healthcare Access Where Dr. Michael Chai Practices
ZIP code 91786 • Upland, California
Significant gaps exist in healthcare availability for residents of ZIP 91786.
View full Healthcare Access Score report for ZIP 91786Conditions Dr. Michael Chai Can Help With
Based on specialty, these are the relevant healthcare access scores for the practice area
Practice Locations
1 location
About Dr. Michael Chai
Michael Chai, M.D. is a healthcare provider practicing in Upland, CA.
Specialty Definition
A physician who provides long-term, comprehensive care in the office and the hospital, managing both common and complex illness of adolescents, adults and the elderly. Internists are trained in the diagnosis and treatment of cancer, infections and diseases affecting the heart, blood, kidneys, joints and digestive, respiratory and vascular systems. They are also trained in the essentials of primary care internal medicine, which incorporates an understanding of disease prevention, wellness, substance abuse, mental health and effective treatment of common problems of the eyes, ears, skin, nervous system and reproductive organs.
32
Years Experience
1
Location
1
States Licensed
Credentials & Board Certifications
Primary Specialty
Internal MedicineCredentials verified via NPI Registry (NPPES)
Education & Training
Medical School
Eastern Virginia Medical School
Class of 1994
Licenses & Practice States
Licensed in 1 state
| State | License | Classification | Primary |
|---|---|---|---|
| California | G79965 | Internal Medicine |
Public Data Summary for Dr. Michael Chai
With 19 years of practice, Dr. Michael Chai is an established internal medicine provider, M.D., after earning their medical degree at Eastern Virginia Medical School in 1994. Dr. currently practices at in Upland, California. Their National Provider Identifier (NPI) is 1083748727, and the profile below combines data from CMS NPPES, Medicare billing records, the HHS OIG exclusion list, and — where available — CMS Open Payments, Medicare Utilization, and Part D prescriber summaries.
Dr. Michael Chai's practice is located in ZIP 91786 (Upland, California), which has an overall CartoChrome Healthcare Access Score of 28/100 (Limited Access). Access constraints in this ZIP code can affect wait times, specialist availability, and emergency response — context worth knowing when choosing a provider.
CMS Medicare data shows Dr. Michael Chai as a lower-volume internal medicine provider, treating approximately 340 Medicare beneficiaries and delivering 3K services in the most recent reporting year. That panel size indicates a smaller, more selective practice pattern.
Under the Physician Payments Sunshine Act, CMS reports that Dr. Michael Chai received $282 in industry payments in 2023. Payments at this scale are typical for most practicing physicians and generally reflect routine educational activities.
Transparency & Safety
Public records from CMS and OIG databases
Industry Payments
$282
Total payments received from pharmaceutical and medical device companies in 2023.
Source: CMS Open Payments (Sunshine Act)
Opioid Prescribing
This provider has no opioid prescriptions on file in Medicare Part D data.
Insurance & Accessibility
Reviews
Community reviews for Dr. Michael Chai
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0 reviews
Internal Medicine Providers Nearby
Same primary specialty near ZIP 91786
FAQ
Frequently asked questions about Dr. Michael Chai
What does Dr. Michael Chai specialize in?
Dr. Michael Chai specializes in Internal Medicine.
Where does Dr. Michael Chai practice?
Dr. Michael Chai practices at in Upland, California.
Does Dr. Michael Chai accept Medicare?
Based on CMS records, Dr. Michael Chai has not filed a Medicare opt-out affidavit, which means they typically accept Medicare-covered patients. CMS billing data shows 340 Medicare beneficiaries treated in the most recent reporting year.
What is Dr. Michael Chai's NPI number?
Dr. Michael Chai's National Provider Identifier (NPI) is 1083748727. This is the unique 10-digit number the Centers for Medicare & Medicaid Services assigns to every practicing US healthcare provider. You can verify this number directly at the NPPES NPI Registry.
How long has Dr. Michael Chai been practicing?
Dr. Michael Chai has approximately 19 years of practice experience, having graduated from Eastern Virginia Medical School in 1994.