Dr. Avis Lailing Chan, MD, MS
- Part D claims, 2024
- 27
- Hospital affiliations
- 1
- Industry payments
- $99
- Medical group
- 1
- Insurance carriers
- 2
- Practice address
- 710 Lawrence Expy, Santa Clara, CA 95051
- Practice phone
- Call (408) 851-1000
- Professional email
- Get professional email
- Personal email
- Get personal email
- Mobile number
- Get mobile number
Primary practice
Permanente Medical Group Inc
Santa Clara, California
Find Dr. Chan'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. Avis Lailing Chan is an OB-GYN in Santa Clara, California
Dr. Chan practices at Permanente Medical Group Inc in Santa Clara, California.
Dr. Chan's NPI, 1831727056, was assigned on April 1, 2020. Dr. Chan graduated from University of Hong Kong Faculty of Medicine in 2006. Dr. Chan holds California license A182108.
- NPI
- 1831727056NPI Registry (opens in a new tab)
- Medicare PAC ID
- 0244778884
- NPI enumeration date
- April 1, 2020
- NPI status
- Active
- Accepts Medicare assignment
- Yes
- Practice phone
- (408) 851-1000
- Professional email
- Get email
- Personal email
- Get email
- Mobile number
- Get number
- Sex
- Female
- Estimated age
- 46
- Medical school graduation
- 2006
Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; Dmand AI Practice Data; and Doctors and Clinicians National Downloadable File (CMS)
Dr. Avis Lailing Chan practices at Permanente Medical Group Inc in Santa Clara, California
Dr. Chan's primary practice is Permanente Medical Group Inc, at 710 Lawrence Expy, Santa Clara, CA 95051 in Santa Clara County. The practice phone is (408) 851-1000.
- Permanente Medical Group Inc710 Lawrence Expy, Santa Clara, CA 95051 · Santa Clara CountyPhone(408) 851-1000
Sources: NPPES NPI Registry (CMS); and Dmand AI Practice Data
Dr. Avis Lailing Chan is affiliated with 2 sites of care and 1 medical group
Dr. Chan's primary practice is Permanente Medical Group Inc in Santa Clara, California. Dr. Chan is also affiliated with Santa Clara Medical Center. The medical group on file is The Permanente Medical Group, Inc.
Sources: NPPES NPI Registry (CMS); Dmand AI Practice Data; Dmand AI Affiliation Data; and Dmand AI Org Hierarchy Data
Dmand AI tracks the EHR system at Dr. Avis Lailing Chan's practice
Dmand AI tracks the electronic health record (EHR) system at each site where Dr. Chan practices. Vendor and product names are available with a free account.
| Site | EHR vendor and product |
|---|---|
| Permanente Medical Group Inc | 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. Avis Lailing Chan is one of 4,642 OB-GYNs in California
Obstetrics and gynecology is Dr. Chan's primary specialty in the NPI Registry, under taxonomy code 207V00000X. Dr. Chan is licensed in California.
Specialties and state licenses
- Obstetrics and gynecology, CaliforniaPrimary
OB-GYNs near Dr. Chan
Counts of OB-GYNs 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. Avis Lailing Chan's patients have a median age of 37
Across all payers, Dmand AI patient panel data puts Dr. Chan's median patient age at 37, with 99% women.
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 37
Patient panel by sex, all payers
- Women99%
- Men0%
Source: Dmand AI Patient Panel Data
Dr. Avis Lailing Chan wrote 27 Medicare Part D claims in 2024
In 2024, Dr. Chan wrote 27 Medicare Part D claims for 20 patients. 85% of them were for generic drugs.
Dr. Chan's Part D claims by kind of drug, 2024
- Generic23 claims85%
- Brand-name and other4 claims15%
Source: Medicare Part D Prescribers - by Provider (CMS), 2024 data
How Dr. Avis Lailing 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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Dr. Avis Lailing Chan received $99 in industry payments in 2023
CMS Open Payments shows 1 general payment to Dr. Chan from 1 drug or device company in 2023. Food and beverage make up the largest share, 100% of the total. Hologic Inc paid the most, $99.
Companies that paid Dr. Chan the most, 2023 to 2023
Share is of all general payments to this clinician.
Source: Open Payments (CMS), 2025 data, released July 7, 2026
Dr. Avis Lailing Chan graduated from University of Hong Kong Faculty of Medicine
Dr. Chan graduated from University of Hong Kong Faculty of Medicine in 2006.
- Medical school
Source: Dmand AI Professional Profile Data
Dr. Avis Lailing Chan accepts plans from 2 insurance carriers
Dr. Chan is in network with 2 carriers, including Kaiser Permanente and CMS Medicare. EPO plans come from the most carriers, 1. Check the plan with the practice before a visit.
- Kaiser Permanente
- CMS Medicare
Plan types Dr. Chan accepts, by number of carriers
- EPO1
- HMO1
- Medicare1
- POS1
Source: Dmand AI Insurance Network Data
Sources for Dr. Avis Lailing 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 | NPPES NPI Registry (CMS) (opens in a new tab)Dmand AI Practice Data |
| Primary practice, affiliations and health system | NPPES NPI Registry (CMS) (opens in a new tab)Dmand AI Practice DataDmand 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 (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) |
| Industry payments | Open Payments (CMS) (opens in a new tab) |
| Training, board certification and memberships | Dmand AI Professional Profile Data |
| Insurance carriers and plan types | Dmand AI Insurance Network Data |
| 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. Avis Lailing 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. Avis Lailing Chan's NPI number?
Dr. Avis Lailing Chan's NPI number is 1831727056. It was assigned on April 1, 2020, and it is active in the NPI Registry.
What kind of doctor is Dr. Avis Lailing Chan?
Dr. Avis Lailing Chan is an OB-GYN in Santa Clara, California. The primary specialty in the NPI Registry is Obstetrics & Gynecology Physician (taxonomy code 207V00000X).
Where does Dr. Avis Lailing Chan practice?
Dr. Chan practices at 710 Lawrence Expy, Santa Clara, CA 95051. Dr. Chan's primary practice is Permanente Medical Group Inc in Santa Clara, California.
What is Dr. Avis Lailing Chan's office phone number?
The practice phone on file for Dr. Chan is (408) 851-1000.
What is Dr. Avis Lailing Chan's medical license number?
Dr. Chan holds California license A182108.
Which hospitals is Dr. Avis Lailing Chan affiliated with?
Dr. Chan is affiliated with Santa Clara Medical Center.
What medical group is Dr. Avis Lailing Chan part of?
Dr. Chan is linked to The Permanente Medical Group, Inc.
Does Dr. Avis Lailing Chan accept Medicare?
Yes. CMS lists Dr. Chan as accepting Medicare assignment.
Where did Dr. Avis Lailing Chan go to medical school?
Dr. Chan graduated from University of Hong Kong Faculty of Medicine in 2006.
Has Dr. Avis Lailing Chan received payments from drug or device companies?
CMS Open Payments shows $99 in general payments to Dr. Chan from 1 company from 2023 to 2023. The largest total came from Hologic Inc.
How long has Dr. Avis Lailing Chan been practicing?
Dr. Chan graduated from medical school in 2006, 20 years ago.
What insurance does Dr. Avis Lailing Chan accept?
Dr. Chan is in network with 2 carriers, including Kaiser Permanente and CMS Medicare. EPO plans come from the most carriers, 1. Check the plan with the practice before a visit.
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