Dr. Jay Chan, DO
- Medicare services, 2024
- 53
- Medicare patients, 2026
- 61
- Hospital affiliations
- 3
- Medical group
- 1
- State license
- 1
- 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. Chan's professional email, personal email and mobile number
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Dr. Jay Chan is an internist in Stanford, California
Dr. Chan practices at Stanford Hospital at 300 Pasteur Drive in Stanford, California, part of Stanford University.
Dr. Chan's NPI, 1982284550, was assigned on April 8, 2021. Dr. Chan holds California license 20A22668.
- NPI
- 1982284550NPI Registry (opens in a new tab)
- Medicare PAC ID
- 7214475045
- NPI enumeration date
- April 8, 2021
- NPI status
- Active
- Accepts Medicare assignment
- Yes
- Practice phone
- (650) 723-4000
- Professional email
- Get email
- Personal email
- Get email
- Mobile number
- Get number
- Sex
- Male
- Estimated age
- 31
- Medical school graduation
- 2021
Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; Dmand AI Affiliation Data; and Doctors and Clinicians National Downloadable File (CMS)
Dr. Jay Chan practices at Stanford Hospital at 300 Pasteur Drive in Stanford, California
Dr. Chan'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. Jay Chan is affiliated with 4 sites of care and 1 medical group
Dr. Chan's primary practice is Stanford Hospital at 300 Pasteur Drive in Stanford, California, part of Stanford University. Dr. Chan is also affiliated with Washington Health. The medical group on file is Palo Alto Foundation Medical Group. Dmand AI also links Dr. Chan to 1 more hospital and 1 group practice or clinic, each named with a free account.
Sources: Dmand AI Affiliation Data; and Dmand AI Org Hierarchy Data
Dmand AI tracks the EHR system at Dr. Jay Chan's practice
Dmand AI tracks the electronic health record (EHR) system at each site where Dr. Chan practices, 4 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 |
| +3 more affiliated sites | Available with a free account |
Source: Dmand AI Technology Install Data
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Dr. Jay Chan is one of 16,751 internists in California
Internal medicine is Dr. Chan's primary specialty in the NPI Registry, under taxonomy code 207R00000X. Dr. Chan is licensed in California.
Specialties and state licenses
- Internal medicine, CaliforniaPrimary
Internists near Dr. Chan
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. Jay Chan billed Medicare for 53 services in 2024
CMS data shows 53 Medicare services from Dr. Chan across 1 procedure code in 2024, for 61 Medicare patients. Medicare paid $8,179 for them. Every service was in a facility, such as a hospital, rather than an office.
Dr. Chan compared with the California median for internists, 2024
- Dr. Chan
- California median
- Medicare services
- 53vs 36185% below
- Medicare patients
- 61vs 15160% below
Medians across 15,815 internists in California with Dmand AI profiles that report each measure.
Dr. Chan's most billed Medicare procedure codes, 2024
CMS publishes codes billed for 11 or more Medicare patients. Each label is the code family; CPT descriptions are licensed by the AMA.
Need commercial claims for Dr. Chan?
Medicare shows one payer. Book a meeting to get commercial claims data for Dr. Chan and other internists in California.
Sources: Medicare Physician & Other Practitioners - by Provider and Service (CMS), 2024 data; and Dmand AI Peer Benchmarks
Dr. Jay Chan treated 61 Medicare patients in 2026, average age 81
CMS counts 61 Medicare patients who saw Dr. Chan in 2026. The largest group is 85 and over, with 24 patients. 75% of them have high blood pressure, and 75% have high cholesterol. 21% are also on Medicaid. Their average risk score is 2.46, where 1.00 is the Medicare average, so they are sicker than most Medicare patients.
Across all payers, Dmand AI patient panel data puts Dr. Chan's median patient age at 72, with 55% women.
Dr. Chan's Medicare patients by age, 2026
CMS leaves out age groups with fewer than 11 patients.
Dr. Chan's Medicare patients by sex, 2026
- Women4269%
- Men1931%
Chronic conditions among Dr. Chan's Medicare patients, 2026
- High blood pressure75%
- High cholesterol75%
- Arthritis48%
- Ischemic heart disease48%
- Atrial fibrillation43%
- Chronic kidney disease41%
- Heart failure41%
- Diabetes39%
Share of Medicare patients with each condition. A patient can have several.
Dr. Chan's patients across all payers
Dmand AI patient panel data covers Medicare, Medicaid and commercial patients.
Patient panel by age, all payers
Median age 72
Patient panel by sex, all payers
- Women55%
- Men43%
Sources: Dmand AI Patient Panel Data; and Medicare Physician & Other Practitioners - by Provider (CMS), 2026 data
How Dr. Jay Chan takes part in Medicare
Dr. Chan accepts Medicare assignment, so Medicare's approved amount is taken as full payment.
- Accepts Medicare assignment
- Yes
Source: Doctors and Clinicians National Downloadable File (CMS)
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Sources for Dr. Jay Chan'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 services and procedure codes | Medicare Physician & Other Practitioners - by Provider and Service (CMS) (opens in a new tab) |
| State medians for the same specialty | Dmand AI Peer Benchmarks |
| Medicare patients and the all-payer patient panel | Dmand AI Patient Panel DataMedicare Physician & Other Practitioners - by Provider (CMS) (opens in a new tab) |
| MIPS scores, telehealth, assignment and procedure percentiles | Doctors and Clinicians National Downloadable File (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. Jay Chan
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. Jay Chan's NPI number?
Dr. Jay Chan's NPI number is 1982284550. It was assigned on April 8, 2021, and it is active in the NPI Registry.
What kind of doctor is Dr. Jay Chan?
Dr. Jay Chan is an internist in Stanford, California. The primary specialty in the NPI Registry is Internal Medicine Physician (taxonomy code 207R00000X).
Where does Dr. Jay Chan practice?
Dr. Chan practices at 300 Pasteur Drive, Stanford, CA 94305. Dr. Chan's primary practice is Stanford Hospital at 300 Pasteur Drive in Stanford, California, part of Stanford University. Dmand AI also links Dr. Chan to 1 hospital and 1 group practice or clinic, and a free account names each one.
What is Dr. Jay Chan's office phone number?
The practice phone on file for Dr. Chan is (650) 723-4000. Dmand AI also checks direct phone and mobile numbers, available with a free account.
What is Dr. Jay Chan's email address?
Dmand AI checks professional and personal email addresses for Dr. Chan through healthcare-specific waterfall enrichment. They are available with a free Dmand AI account.
What is Dr. Jay Chan's medical license number?
Dr. Chan holds California license 20A22668.
Which hospitals is Dr. Jay Chan affiliated with?
Dr. Chan practices at Stanford Hospital at 300 Pasteur Drive in Stanford, California. Dr. Chan is also affiliated with Washington Health. Dmand AI links Dr. Chan to 1 more hospital, named with a free account.
What medical group is Dr. Jay Chan part of?
Dr. Chan is linked to Palo Alto Foundation Medical Group.
Who does Dr. Jay Chan practice with?
Dmand AI links 4,288 HCPs to Dr. Chan's primary medical group, 404 of them internists. A free account lists them, with verified contacts.
Does Dr. Jay Chan accept Medicare?
Yes. CMS data shows Dr. Chan billed Medicare for 53 services in 2024, and Dr. Chan accepts Medicare assignment.
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How many Medicare patients does Dr. Jay Chan see?
CMS counts 61 Medicare patients who saw Dr. Chan in 2026, with an average age of 81.
What services does Dr. Jay Chan bill to Medicare?
In 2024, Dr. Chan's most billed Medicare services were hospital inpatient care (99223).
How long has Dr. Jay Chan been practicing?
Dr. Chan graduated from medical school in 2021, 5 years ago.
What EHR does Dr. Jay Chan's practice use?
Dmand AI tracks the EHR system at Stanford Hospital at 300 Pasteur Drive and at 3 more affiliated sites. The vendor and product are available with a free Dmand AI account.
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