Dr. Sai-Wing Chan, MD

  • Redwood City, CA
  • OB-GYN
NPI1508285180
Part D claims, 2024
68
Publications
1
Affiliated sites
1
Medical group
1
Insurance carriers
1
Practice address
1190 Veterans Blvd, Redwood City, CA 94063
Practice phone
Call (650) 299-2000
Professional email
Get professional email
Personal email
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Mobile number
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Social profiles

Primary practice

Permanente Medical Group Inc

Redwood City, California

See all 3 affiliations

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Dr. Sai-Wing Chan is an OB-GYN in Redwood City, California

Dr. Chan practices at Permanente Medical Group Inc in Redwood City, California.

Dr. Chan's NPI, 1508285180, was assigned on April 10, 2014. Dr. Chan graduated from UCSF School of Medicine in 2014. Dr. Chan's California license number on file is A138705.

NPI and contact details
NPI enumeration date
April 10, 2014
NPI status
Active
Practice phone
(650) 299-2000
Professional email
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Personal email
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Mobile number
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Sex
Male
Estimated age
38
Medical school graduation
2014

Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; and Dmand AI Practice Data

Dr. Sai-Wing Chan practices at Permanente Medical Group Inc in Redwood City, California

Dr. Chan's primary practice is Permanente Medical Group Inc, at 1190 Veterans Blvd, Redwood City, CA 94063 in San Mateo County. The practice phone is (650) 299-2000.

  • Permanente Medical Group Inc
    1190 Veterans Blvd, Redwood City, CA 94063 · San Mateo CountyPhone(650) 299-2000

Sources: NPPES NPI Registry (CMS); and Dmand AI Practice Data

Dr. Sai-Wing Chan is affiliated with 2 sites of care and 1 medical group

Dr. Chan's primary practice is Permanente Medical Group Inc in Redwood City, California. The medical group on file is The Permanente Medical Group, Inc. Dmand AI also links Dr. Chan to 1 more group practice or clinic, named with a free account.

See all 3 affiliations for Dr. Chan

Sources: NPPES NPI Registry (CMS); Dmand AI Practice Data; and Dmand AI Affiliation Data

Dmand AI tracks the EHR system at Dr. Sai-Wing 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.

EHR by site
SiteEHR vendor and product
Permanente Medical Group IncAvailable with a free account
+1 more affiliated siteAvailable with a free account

Source: Dmand AI Technology Install Data

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Dr. Sai-Wing 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 board certified in obstetrics & gynecology by the American Board of Obstetrics and Gynecology. Dr. Chan has a license on file in California.

Specialties and state licenses

  • Obstetrics and gynecology, CaliforniaPrimaryLicense A138705 · 2015 to 2025 · taxonomy 207V00000X

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. Sai-Wing Chan's patients have a median age of 36

Across all payers, Dmand AI patient panel data puts Dr. Chan's median patient age at 36, with 98% 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 36

Patient panel by sex, all payers

  • Women98%
  • Men1%

Source: Dmand AI Patient Panel Data

Dr. Sai-Wing Chan wrote 68 Medicare Part D claims in 2024

In 2024, Dr. Chan wrote 68 Medicare Part D claims for 34 patients. 87% of them were for generic drugs. CMS names the drug for 24 of them, across 1 drug with 11 or more claims each, at $827 in total drug cost. In 2023, CMS named 19 claims across 1 drug.

Part D claims, 202468
Drugs named by CMS1
Total drug cost$827
Part D patients34

Dr. Chan's Part D claims by kind of drug, 2024

  • Generic59 claims87%
  • Brand-name and other9 claims13%

Dr. Chan'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.

Part D claims for drugs CMS names, 2023 to 2024

  • 2023
  • 2024
Claims for drugs CMS names
2023: 192024: 2426%

Drugs named by CMS: 1 in 2024, 1 in 2023.

See all prescribing by Dr. Chan

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. Sai-Wing Chan has 1 publication on record

Dmand AI links 1 paper to Dr. Chan in 2017. Dr. Chan's most frequent co-authors are Marcelle I. Cedars, MD, Jessica Loretta Chan, MD and Mitchell P. Rosen, MD.

Papers1

Dr. Chan's most frequent co-authors

Recent publications by Dr. Chan

See all 1 publications and co-authors

See who Dr. Chan researches with

Physician Network Discovery turns co-authorship, shared hospitals and shared groups into a map of who Dr. Chan works with, so you can find a warm path to the right OB-GYNs.

How network discovery works

Sources: PubMed (National Library of Medicine); and Dmand AI Research Linkage

Dr. Sai-Wing Chan graduated from UCSF School of Medicine

Dr. Chan graduated from UCSF School of Medicine in 2014.

  1. Medical schoolUCSF School of Medicine
  2. Board certified in obstetrics & gynecologyAmerican Board of Obstetrics and Gynecology

Source: Dmand AI Professional Profile Data

Dr. Sai-Wing Chan accepts plans from 1 insurance carrier

Dr. Chan is in network with 1 carrier, including Kaiser Permanente. EPO plans come from the most carriers, 1. Check the plan with the practice before a visit.

  • Kaiser Permanente

Plan types Dr. Chan accepts, by number of carriers

  1. EPO1
  2. HMO1
  3. POS1

Source: Dmand AI Insurance Network Data

Sources for Dr. Sai-Wing Chan's profile data

Sources for the data on this page
Data on this pageSource
NPI, name, sex, specialty and licensesNPPES NPI Registry (CMS) (opens in a new tab)Dmand AI Professional Profile Data
Practice locations and phoneNPPES NPI Registry (CMS) (opens in a new tab)Dmand AI Practice Data
Primary practice, affiliations and health systemNPPES NPI Registry (CMS) (opens in a new tab)Dmand AI Practice DataDmand AI Affiliation Data
Medicare patients and the all-payer patient panelDmand AI Patient Panel Data
Part D prescribingMedicare 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)
Publications, topics and co-authorsPubMed (National Library of Medicine) (opens in a new tab)Dmand AI Research Linkage
Training, board certification and membershipsDmand AI Professional Profile Data
Insurance carriers and plan typesDmand AI Insurance Network Data
EHR at each practice siteDmand AI Technology Install Data
Similar physiciansDmand AI Affiliation Data

Data last refreshed October 2026Report an inaccuracyRemove my information

FAQ

Frequently asked questions about Dr. Sai-Wing 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. Sai-Wing Chan's NPI number?

Dr. Sai-Wing Chan's NPI number is 1508285180. It was assigned on April 10, 2014, and it is active in the NPI Registry.

What kind of doctor is Dr. Sai-Wing Chan?

Dr. Sai-Wing Chan is an OB-GYN in Redwood City, California. The primary specialty in the NPI Registry is Obstetrics & Gynecology Physician (taxonomy code 207V00000X).

Where does Dr. Sai-Wing Chan practice?

Dr. Chan practices at 1190 Veterans Blvd, Redwood City, CA 94063. Dr. Chan's primary practice is Permanente Medical Group Inc in Redwood City, California. Dmand AI also links Dr. Chan to 1 group practice or clinic.

What is Dr. Sai-Wing Chan's office phone number?

The practice phone on file for Dr. Chan is (650) 299-2000.

What is Dr. Sai-Wing Chan's medical license number?

Dr. Chan's California license number on file is A138705.

What medical group is Dr. Sai-Wing Chan part of?

Dr. Chan is linked to The Permanente Medical Group, Inc.

Is Dr. Sai-Wing Chan board certified?

Yes. Dr. Chan is board certified in obstetrics & gynecology by the American Board of Obstetrics and Gynecology.

Where did Dr. Sai-Wing Chan go to medical school?

Dr. Chan graduated from UCSF School of Medicine in 2014.

What drugs does Dr. Sai-Wing Chan prescribe most?

In 2024 Medicare Part D data, Dr. Chan's most prescribed drugs by claims were Estradiol.

How long has Dr. Sai-Wing Chan been practicing?

Dr. Chan graduated from medical school in 2014, 12 years ago.

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Does Dr. Sai-Wing Chan do research?

Dmand AI links 1 publication to Dr. Chan.

Who does Dr. Sai-Wing Chan publish with?

Dr. Chan's most frequent co-authors are Marcelle I. Cedars, MD (1 shared paper), Jessica Loretta Chan, MD (1 shared paper) and Mitchell P. Rosen, MD (1 shared paper).

What insurance does Dr. Sai-Wing Chan accept?

Dr. Chan is in network with 1 carrier, including Kaiser Permanente. EPO plans come from the most carriers, 1. Check the plan with the practice before a visit.

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