Dr. Audrey Chai, MD
- Part D claims, 2024
- 66
- Hospital affiliations
- 2
- Industry payments
- $125
- State license
- 1
- Year NPI issued
- 2020
- Practice address
- 300 Pasteur Drive, Stanford, CA 94305
- Practice phone
- Call (650) 723-4000
- Professional email
- Get professional email
- Personal email
- Get personal email
- Mobile number
- Get mobile number
Primary practice
Find Dr. Chai's professional email, personal email and mobile number
Dmand AI checks each channel through healthcare-specific waterfall enrichment. See what is on file with a free account, with practice phones, licenses and affiliations.
Dr. Audrey Chai is an internist in Stanford, California
Dr. Chai practices at Stanford Hospital at 300 Pasteur Drive in Stanford, California, part of Stanford University.
Dr. Chai's NPI, 1649807835, was assigned on March 26, 2020. Dr. Chai holds California license 186492.
- NPI
- 1649807835NPI Registry (opens in a new tab)
- NPI enumeration date
- March 26, 2020
- NPI status
- Active
- Practice phone
- (650) 723-4000
- Professional email
- Get email
- Personal email
- Get email
- Mobile number
- Get number
- Sex
- Female
Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; and Dmand AI Affiliation Data
Dr. Audrey Chai practices at Stanford Hospital at 300 Pasteur Drive in Stanford, California
Dr. Chai's primary practice is Stanford Hospital at 300 Pasteur Drive, at 300 Pasteur Drive, Stanford, CA 94305 in Santa Clara County. The practice phone is (650) 723-4000.
- Stanford Hospital at 300 Pasteur Drive300 Pasteur Drive, Stanford, CA 94305 · Santa Clara CountyPhone(650) 723-4000
Source: Dmand AI Affiliation Data
Dr. Audrey Chai is affiliated with 2 sites of care
Dr. Chai's primary practice is Stanford Hospital at 300 Pasteur Drive in Stanford, California, part of Stanford University. Dmand AI also links Dr. Chai to 1 hospital, named with a free account.
Sources: Dmand AI Affiliation Data; and Dmand AI Org Hierarchy Data
Dmand AI tracks the EHR system at Dr. Audrey Chai's practice
Dmand AI tracks the electronic health record (EHR) system at each site where Dr. Chai practices, 2 sites in all. Vendor and product names are available with a free account.
| Site | EHR vendor and product |
|---|---|
| Stanford Hospital at 300 Pasteur Drive | Available with a free account |
| +1 more affiliated site | Available with a free account |
Source: Dmand AI Technology Install Data
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Dr. Audrey Chai is one of 16,751 internists in California
Internal medicine is Dr. Chai's primary specialty in the NPI Registry, under taxonomy code 207R00000X. Dr. Chai is licensed in California.
Specialties and state licenses
- Internal medicine, CaliforniaPrimary
Internists near Dr. Chai
Counts of internists with a Dmand AI profile, by place and practice. Each opens the list.
Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; and Dmand AI Peer Benchmarks
Dr. Audrey Chai's patients have a median age of 65
Across all payers, Dmand AI patient panel data puts Dr. Chai's median patient age at 65, with 0% women.
Dr. Chai's patients across all payers
Dmand AI patient panel data covers Medicare, Medicaid and commercial patients.
Patient panel by age, all payers
Median age 65
Patient panel by sex, all payers
- Women0%
- Men100%
Source: Dmand AI Patient Panel Data
Dr. Audrey Chai wrote 66 Medicare Part D claims in 2024
In 2024, Dr. Chai wrote 66 Medicare Part D claims for 20 patients. 59% of them were for generic drugs. CMS names the drug for 16 of them, across 1 drug with 11 or more claims each, at $609 in total drug cost.
Dr. Chai's Part D claims by kind of drug, 2024
- Generic39 claims59%
- Brand-name27 claims41%
Dr. Chai's most prescribed drugs by claims, 2024
CMS names a drug when it has 11 or more claims. Share is of the claims for drugs CMS names.
Sources: Medicare Part D Prescribers - by Provider and Drug (CMS), 2024 data, released May 6, 2026; and Medicare Part D Prescribers - by Provider (CMS), 2024 data
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Dr. Audrey Chai received $125 in industry payments in 2025
CMS Open Payments shows 1 general payment to Dr. Chai from 1 drug or device company in 2025. Food and beverage make up the largest share, 100% of the total. Boehringer Ingelheim Pharmaceuticals, Inc. paid the most, $125.
Companies that paid Dr. Chai the most, 2025 to 2025
Share is of all general payments to this clinician.
Source: Open Payments (CMS), 2025 data, released July 7, 2026
Sources for Dr. Audrey Chai's profile data
| Data on this page | Source |
|---|---|
| NPI, name, sex, specialty and licenses | NPPES NPI Registry (CMS) (opens in a new tab)Dmand AI Professional Profile Data |
| Practice locations and phone | Dmand AI Affiliation Data |
| Primary practice, affiliations and health system | Dmand AI Affiliation DataDmand AI Org Hierarchy Data |
| Medicare patients and the all-payer patient panel | Dmand AI Patient Panel Data |
| Part D prescribing | Medicare Part D Prescribers - by Provider and Drug (CMS) (opens in a new tab)Medicare Part D Prescribers - by Provider (CMS) (opens in a new tab) |
| Industry payments | Open Payments (CMS) (opens in a new tab) |
| EHR at each practice site | Dmand AI Technology Install Data |
| Similar physicians | Dmand AI Affiliation Data |
Data last refreshed October 2026Report an inaccuracyRemove my information
FAQ
Frequently asked questions about Dr. Audrey Chai
Spotted something out of date? Email hello@dmand.ai and we will check the record. Contact details live in the free trial.
What is Dr. Audrey Chai's NPI number?
Dr. Audrey Chai's NPI number is 1649807835. It was assigned on March 26, 2020, and it is active in the NPI Registry.
What kind of doctor is Dr. Audrey Chai?
Dr. Audrey Chai is an internist in Stanford, California. The primary specialty in the NPI Registry is Internal Medicine Physician (taxonomy code 207R00000X).
Where does Dr. Audrey Chai practice?
Dr. Chai practices at 300 Pasteur Drive, Stanford, CA 94305. Dr. Chai's primary practice is Stanford Hospital at 300 Pasteur Drive in Stanford, California, part of Stanford University. Dmand AI also links Dr. Chai to 1 hospital.
What is Dr. Audrey Chai's office phone number?
The practice phone on file for Dr. Chai is (650) 723-4000.
What is Dr. Audrey Chai's medical license number?
Dr. Chai holds California license 186492.
Which hospitals is Dr. Audrey Chai affiliated with?
Dr. Chai practices at Stanford Hospital at 300 Pasteur Drive in Stanford, California. Dmand AI links Dr. Chai to 1 more hospital.
What drugs does Dr. Audrey Chai prescribe most?
In 2024 Medicare Part D data, Dr. Chai's most prescribed drugs by claims were Albuterol Sulfate Hfa.
Has Dr. Audrey Chai received payments from drug or device companies?
CMS Open Payments shows $125 in general payments to Dr. Chai from 1 company from 2025 to 2025. The largest total came from Boehringer Ingelheim Pharmaceuticals, Inc.
How long has Dr. Audrey Chai been practicing?
Dr. Chai's NPI was assigned in 2020.
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