J Am Acad Dermatol
BiopsyBiopsy, NeedleMelanoma
Dr. Chung-Yin Stanley Chan, MD
NPI1033372768PAC ID3870763428
- Part D claims, 2024
- 62
- Publications
- 6
- Industry payments
- $1,576
- Affiliated sites
- 2
- Medical groups
- 2
- Practice address
- 7373 West Ln, Stockton, CA 95210
- Practice phone
- Call (209) 476-2000
- Professional email
- Get professional email
- Personal email
- Get personal email
- Mobile number
- Get mobile number
Primary practice
Permanente Medical Group Inc
Stockton, California
Find Dr. Chan's professional email, personal email and mobile number
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Dr. Chung-Yin Stanley Chan is a dermatologist in Stockton, California
Dr. Chan practices at Permanente Medical Group Inc in Stockton, California.
Dr. Chan's NPI, 1033372768, was assigned on July 2, 2008. Dr. Chan graduated from Baylor College Of Medicine in 2007. Dr. Chan's California license number on file is A120315.
NPI and contact details
- NPI
- 1033372768NPI Registry (opens in a new tab)
- Medicare PAC ID
- 3870763428
- NPI enumeration date
- July 2, 2008
- NPI status
- Active
- Accepts Medicare assignment
- Yes
- Practice phone
- (209) 476-2000
- Professional email
- Get email
- Personal email
- Get email
- Mobile number
- Get number
- Sex
- Male
- Estimated age
- 45
- Medical school graduation
- 2007
Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; Dmand AI Practice Data; and Doctors and Clinicians National Downloadable File (CMS)
Dr. Chung-Yin Stanley Chan practices at Permanente Medical Group Inc in Stockton, California
Dr. Chan's primary practice is Permanente Medical Group Inc, at 7373 West Ln, Stockton, CA 95210 in San Joaquin County. The practice phone is (209) 476-2000.
- Permanente Medical Group Inc7373 West Ln, Stockton, CA 95210 · San Joaquin CountyPhone(209) 476-2000
Sources: NPPES NPI Registry (CMS); and Dmand AI Practice Data
Dr. Chung-Yin Stanley Chan is affiliated with 3 sites of care and 2 medical groups
Dr. Chan's primary practice is Permanente Medical Group Inc in Stockton, California. The medical group on file is The Permanente Medical Group, Inc. Dmand AI also links Dr. Chan to 2 more group practices and clinics and 1 medical group, each named with a free account.
Permanente Medical Group IncPrimary
Sources: NPPES NPI Registry (CMS); Dmand AI Practice Data; and Dmand AI Affiliation Data
Dmand AI tracks the EHR system at Dr. Chung-Yin Stanley Chan's practice
Dmand AI tracks the electronic health record (EHR) system at each site where Dr. Chan practices, 2 sites in all. Vendor and product names are available with a free account.
| Site | EHR vendor and product |
|---|---|
| Permanente Medical Group Inc | Available with a free account |
| +2 more sites and 1 medical group | Available with a free account |
Source: Dmand AI Technology Install Data
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Dr. Chung-Yin Stanley Chan is one of 1,910 dermatologists in California
Dermatology is Dr. Chan's primary specialty in the NPI Registry, under taxonomy code 207N00000X. Dr. Chan is board certified in dermatology by the American Board of Dermatology. Dmand AI has Dr. Chan's licenses on file in 3 states: California, Oregon and Massachusetts.
Specialties and state licenses
- Dermatology, CaliforniaPrimary
- Oregon license
- Massachusetts license
Dermatologists near Dr. Chan
Counts of dermatologists 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. Chung-Yin Stanley Chan's patients have a median age of 70
Across all payers, Dmand AI patient panel data puts Dr. Chan's median patient age at 70, with 50% 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 70
Patient panel by sex, all payers
- Women50%
- Men50%
Source: Dmand AI Patient Panel Data
Dr. Chung-Yin Stanley Chan wrote 62 Medicare Part D claims in 2024
In 2024, Dr. Chan wrote 62 Medicare Part D claims for 38 patients. 94% of them were for generic drugs. CMS names the drug for 14 of them, across 1 drug with 11 or more claims each, at $157 in total drug cost. In 2023, CMS named 22 claims across 2 drugs.
Part D claims, 202462
Drugs named by CMS1
Total drug cost$157
Part D patients38
Dr. Chan's Part D claims by kind of drug, 2024
- Generic58 claims94%
- Brand-name and other4 claims6%
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.
Drug classes CMS tracks in Dr. Chan's Part D claims, 2024
- Antibiotics34%21 of 62 claims
Share of all Part D claims for each drug class CMS reports on. Classes with no claims are left out.
Part D claims for drugs CMS names, 2023 to 2024
- 2023
- 2024
- Claims for drugs CMS names
- 2023: 222024: 1436%
Drugs named by CMS: 1 in 2024, 2 in 2023.
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
How Dr. Chung-Yin Stanley Chan takes part in Medicare
Dr. Chan accepts Medicare assignment, so Medicare's approved amount is taken as full payment.
- Accepts Medicare assignment
- Yes
Removal of skin cancer: 1 to 10 procedures (CMS shows small counts as a range)
Sources: Doctors and Clinicians National Downloadable File (CMS); and Doctors and Clinicians Utilization Data (CMS)
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Dr. Chung-Yin Stanley Chan has 6 publications on record
Dmand AI links 6 papers to Dr. Chan, published from 2007 to 2012. 2007 was the busiest year, with 2. The most frequent topics are Biopsy, Needle and Psoriasis. Dr. Chan has published most often in Dermatol Online J. Dr. Chan's most frequent co-authors are John Caleb Browning, MD, Theodore Rosen, MD and Rosella Diaz Creed, MD.
Papers6
Years published2007 to 2012
Dr. Chan's papers by year, 2007 to 2012
Topics Dr. Chan writes about most
- Biopsy, Needle
- Psoriasis
Dr. Chan's most frequent co-authors
- John Caleb Browning, MD3 shared papers
- Theodore Rosen, MD2 shared papers
- Rosella Diaz Creed, MD1 shared paper
Recent publications by Dr. Chan
J Am Acad Dermatol
Administration, TopicalAdrenal Cortex HormonesCalcitriol
Dermatol Online J
Antibodies, MonoclonalAntirheumatic AgentsArthritis, Rheumatoid
Dermatol Online J
CurettageEpidermal CystEquipment Design
Dermatol Online J
BenzamidesBiopsy, NeedleImatinib Mesylate
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 dermatologists.
Sources: PubMed (National Library of Medicine); and Dmand AI Research Linkage
Dr. Chung-Yin Stanley Chan received $1,576 in industry payments from 2016 to 2025
CMS Open Payments shows 18 general payments to Dr. Chan from 9 drug and device companies from 2016 to 2025. Food and beverage make up the largest share, 100% of the total. Novartis Pharmaceuticals Corporation paid the most, $344.
General payments to Dr. Chan by program year, 2016 to 2025
General payments to Dr. Chan by kind, 2016 to 2025
$1.6Kin total
- Food and beverage$1,572100%
- Education$50%
Companies that paid Dr. Chan the most, 2016 to 2025
Share is of all general payments to this clinician.
Source: Open Payments (CMS), 2025 data, released July 7, 2026
Dr. Chung-Yin Stanley Chan has 1 award and honors on record
Dmand AI lists 1 award for Dr. Chan.
Awards and honors for Dr. Chan
- Undated
- ASDS Fellow
Source: Dmand AI Professional Profile Data
Dr. Chung-Yin Stanley Chan graduated from Baylor College Of Medicine
Dr. Chan graduated from Baylor College Of Medicine in 2007. Dr. Chan is a member of ASDS.
- Medical school
- Board certified in dermatology
Source: Dmand AI Professional Profile Data
Dr. Chung-Yin Stanley Chan accepts plans from 2 insurance carriers
Dr. Chan is in network with 2 carriers, including Kaiser Permanente and NV State Medicaid. EPO plans come from the most carriers, 1. Check the plan with the practice before a visit.
- Kaiser Permanente
- NV State Medicaid
Plan types Dr. Chan accepts, by number of carriers
- EPO1
- HMO1
- Medicaid1
- POS1
Source: Dmand AI Insurance Network Data
Sources for Dr. Chung-Yin Stanley 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 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) |
| MIPS scores, telehealth, assignment and procedure percentiles | Doctors and Clinicians National Downloadable File (CMS) (opens in a new tab)Doctors and Clinicians Utilization Data (CMS) (opens in a new tab) |
| Publications, topics and co-authors | PubMed (National Library of Medicine) (opens in a new tab)Dmand AI Research Linkage |
| Industry payments | Open Payments (CMS) (opens in a new tab) |
| Awards and committee roles | Dmand AI Professional Profile Data |
| 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. Chung-Yin Stanley 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. Chung-Yin Stanley Chan's NPI number?
Dr. Chung-Yin Stanley Chan's NPI number is 1033372768. It was assigned on July 2, 2008, and it is active in the NPI Registry.
What kind of doctor is Dr. Chung-Yin Stanley Chan?
Dr. Chung-Yin Stanley Chan is a dermatologist in Stockton, California. The primary specialty in the NPI Registry is Dermatology Physician (taxonomy code 207N00000X).
Where does Dr. Chung-Yin Stanley Chan practice?
Dr. Chan practices at 7373 West Ln, Stockton, CA 95210. Dr. Chan's primary practice is Permanente Medical Group Inc in Stockton, California. Dmand AI also links Dr. Chan to 2 group practices and clinics and 1 medical group.
What is Dr. Chung-Yin Stanley Chan's office phone number?
The practice phone on file for Dr. Chan is (209) 476-2000.
What is Dr. Chung-Yin Stanley Chan's medical license number?
Dr. Chan's California license number on file is A120315, one of the licenses on file in 3 states.
Which states has Dr. Chung-Yin Stanley Chan been licensed in?
Dmand AI has state licenses on file for Dr. Chan in California (2012 to 2025), Oregon (since 2010) and Massachusetts (2011 to 2012).
What medical group is Dr. Chung-Yin Stanley Chan part of?
Dr. Chan is linked to The Permanente Medical Group, Inc. Dmand AI links Dr. Chan to 1 more medical group.
Does Dr. Chung-Yin Stanley Chan accept Medicare?
Yes. CMS lists Dr. Chan as accepting Medicare assignment.
Is Dr. Chung-Yin Stanley Chan board certified?
Yes. Dr. Chan is board certified in dermatology by the American Board of Dermatology.
Where did Dr. Chung-Yin Stanley Chan go to medical school?
Dr. Chan graduated from Baylor College Of Medicine in 2007.
Show 6 more questionsShow fewer questions
What drugs does Dr. Chung-Yin Stanley Chan prescribe most?
In 2024 Medicare Part D data, Dr. Chan's most prescribed drugs by claims were Cephalexin.
Has Dr. Chung-Yin Stanley Chan received payments from drug or device companies?
CMS Open Payments shows $1,576 in general payments to Dr. Chan from 9 companies from 2016 to 2025. The largest total came from Novartis Pharmaceuticals Corporation.
How long has Dr. Chung-Yin Stanley Chan been practicing?
Dr. Chan graduated from medical school in 2007, 19 years ago.
Does Dr. Chung-Yin Stanley Chan do research?
Dmand AI links 6 publications to Dr. Chan, published from 2007 to 2012.
Who does Dr. Chung-Yin Stanley Chan publish with?
Dr. Chan's most frequent co-authors are John Caleb Browning, MD (3 shared papers), Theodore Rosen, MD (2 shared papers) and Rosella Diaz Creed, MD (1 shared paper).
What insurance does Dr. Chung-Yin Stanley Chan accept?
Dr. Chan is in network with 2 carriers, including Kaiser Permanente and NV State Medicaid. EPO plans come from the most carriers, 1. Check the plan with the practice before a visit.
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