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Dr. Kelley I-Kai Chuang, MD
NPI1659530822PAC ID4880754860
- Part D claims, 2024
- 241
- Publications
- 4
- Hospital affiliations
- 2
- Industry payments
- $14,963
- Medical group
- 1
- Practice address
- 2500 Merced Street, San Leandro, CA 94577
- Practice phone
- Call (510) 454-1000
- Professional email
- Get professional email
- Personal email
- Get personal email
- Mobile number
- Get mobile number
Primary practice
Find Dr. Chuang'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. Kelley I-Kai Chuang is a general surgeon in San Leandro, California
Dr. Chuang practices at San Leandro Medical Center in San Leandro, California, part of Kaiser Permanente.
Dr. Chuang's NPI, 1659530822, was assigned on June 3, 2008. Dr. Chuang graduated from Lewis Katz School of Medicine in 2005. Dr. Chuang holds California license A97093.
NPI and contact details
- NPI
- 1659530822NPI Registry (opens in a new tab)
- Medicare PAC ID
- 4880754860
- NPI enumeration date
- June 3, 2008
- NPI status
- Active
- Accepts Medicare assignment
- Yes
- Practice phone
- (510) 454-1000
- Professional email
- Get email
- Personal email
- Get email
- Mobile number
- Get number
- Sex
- Male
- Estimated age
- 47
- Medical school graduation
- 2005
Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; Dmand AI Affiliation Data; and Doctors and Clinicians National Downloadable File (CMS)
Dr. Kelley I-Kai Chuang practices at San Leandro Medical Center in San Leandro, California
Dr. Chuang's primary practice is San Leandro Medical Center, at 2500 Merced Street, San Leandro, CA 94577 in Alameda County. The practice phone is (510) 454-1000.
- San Leandro Medical Center2500 Merced Street, San Leandro, CA 94577 · Alameda CountyPhone(510) 454-1000
Source: Dmand AI Affiliation Data
Dr. Kelley I-Kai Chuang is affiliated with 2 sites of care and 1 medical group
Dr. Chuang's primary practice is San Leandro Medical Center in San Leandro, California, part of Kaiser Permanente. Dr. Chuang is also affiliated with Alameda Health System - Highland Hospital. The medical group on file is The Permanente Medical Group, Inc.
Sources: Dmand AI Affiliation Data; and Dmand AI Org Hierarchy Data
Dmand AI tracks the EHR system at Dr. Kelley I-Kai Chuang's practice
Dmand AI tracks the electronic health record (EHR) system at each site where Dr. Chuang practices, 2 sites in all. Vendor and product names are available with a free account.
| Site | EHR vendor and product |
|---|---|
| San Leandro Medical Center | 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. Kelley I-Kai Chuang is one of 2,926 general surgeons in California
Surgery is Dr. Chuang's primary specialty in the NPI Registry, under taxonomy code 208600000X. Dr. Chuang is board certified in colon & rectal surgery by the American Board of Colon and Rectal Surgery. Dmand AI has Dr. Chuang's licenses on file in 2 states: California and Washington.
Specialties and state licenses
- Surgery, CaliforniaPrimary
- Washington license
General surgeons near Dr. Chuang
Counts of general surgeons with a Dmand AI profile, by place and practice. Each opens the list.
2,926general surgeons in California10general surgeons in San Leandro5general surgeons at San Leandro Medical Center
Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; and Dmand AI Peer Benchmarks
Dr. Kelley I-Kai Chuang's patients have a median age of 62
Across all payers, Dmand AI patient panel data puts Dr. Chuang's median patient age at 62, with 53% women.
Dr. Chuang's patients across all payers
Dmand AI patient panel data covers Medicare, Medicaid and commercial patients.
Patient panel by age, all payers
Median age 62
Patient panel by sex, all payers
- Women53%
- Men46%
Source: Dmand AI Patient Panel Data
Dr. Kelley I-Kai Chuang wrote 241 Medicare Part D claims in 2024
In 2024, Dr. Chuang wrote 241 Medicare Part D claims for 70 patients. 98% of them were for generic drugs. CMS names the drug for 176 of them, across 6 drugs with 11 or more claims each, at $1,687 in total drug cost. In 2023, CMS named 195 claims across 6 drugs.
Part D claims, 2024241
Drugs named by CMS6
Total drug cost$1,687
Part D patients70
Dr. Chuang's Part D claims by kind of drug, 2024
- Generic235 claims98%
- Brand-name and other6 claims2%
Dr. Chuang'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. Chuang's Part D claims, 2024
- Opioids22%54 of 241 claims
- Antibiotics24%59 of 241 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: 1952024: 17610%
Drugs named by CMS: 6 in 2024, 6 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. Kelley I-Kai Chuang takes part in Medicare
Dr. Chuang accepts Medicare assignment, so Medicare's approved amount is taken as full payment.
- Accepts Medicare assignment
- Yes
Colonoscopy: 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. Kelley I-Kai Chuang has 4 publications on record
Dmand AI links 4 papers to Dr. Chuang, published from 2010 to 2011. 2010 was the busiest year, with 2. The most frequent topics are Apolipoproteins E, Inflammation and Sepsis. Dr. Chuang has published most often in Am J Surg. Dr. Chuang's most frequent co-authors are Hobart W. Harris, MD, Brian Patrick Curran, MD and Nancy Hsu, MD.
Papers4
Years published2010 to 2011
Topics Dr. Chuang writes about most
- Apolipoproteins E
- Inflammation
- Sepsis
Dr. Chuang's most frequent co-authors
- Hobart W. Harris, MD3 shared papers
- Brian Patrick Curran, MD1 shared paper
- Nancy Hsu, MD1 shared paper
Recent publications by Dr. Chuang
Innate Immun
Antigens, CDCadherinsCapillary Permeability
Apolipoproteins EEnzyme-Linked Immunosorbent AssayGlobosides
See who Dr. Chuang researches with
Physician Network Discovery turns co-authorship, shared hospitals and shared groups into a map of who Dr. Chuang works with, so you can find a warm path to the right general surgeons.
Sources: PubMed (National Library of Medicine); and Dmand AI Research Linkage
Dr. Kelley I-Kai Chuang received $14,963 in industry payments from 2017 to 2022
CMS Open Payments shows 11 general payments to Dr. Chuang from 2 drug and device companies from 2017 to 2022. Education make up the largest share, 97% of the total. Intuitive Surgical, Inc. paid the most, $14,928.
General payments to Dr. Chuang by program year, 2017 to 2022
General payments to Dr. Chuang by kind, 2017 to 2022
$15Kin total
- Education$14,50097%
- Food and beverage$3432%
- Travel and lodging$1211%
Companies that paid Dr. Chuang the most, 2017 to 2022
Share is of all general payments to this clinician.
Source: Open Payments (CMS), 2025 data, released July 7, 2026
Dr. Kelley I-Kai Chuang has 1 award and honors on record
Dmand AI lists 1 award for Dr. Chuang.
Awards and honors for Dr. Chuang
- Undated
- ACS Fellow
Source: Dmand AI Professional Profile Data
Dr. Kelley I-Kai Chuang graduated from Lewis Katz School of Medicine
Dr. Chuang graduated from Lewis Katz School of Medicine in 2005. Dr. Chuang is a member of ACS.
- Medical school
- Board certified in colon & rectal surgery
- Board certified in surgery
Source: Dmand AI Professional Profile Data
Dr. Kelley I-Kai Chuang accepts plans from 2 insurance carriers
Dr. Chuang 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. Chuang accepts, by number of carriers
- EPO1
- HMO1
- Medicare1
- POS1
Source: Dmand AI Insurance Network Data
Sources for Dr. Kelley I-Kai Chuang'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) |
| 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. Kelley I-Kai Chuang
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. Kelley I-Kai Chuang's NPI number?
Dr. Kelley I-Kai Chuang's NPI number is 1659530822. It was assigned on June 3, 2008, and it is active in the NPI Registry.
What kind of doctor is Dr. Kelley I-Kai Chuang?
Dr. Kelley I-Kai Chuang is a general surgeon in San Leandro, California. The primary specialty in the NPI Registry is Surgery Physician (taxonomy code 208600000X).
Where does Dr. Kelley I-Kai Chuang practice?
Dr. Chuang practices at 2500 Merced Street, San Leandro, CA 94577. Dr. Chuang's primary practice is San Leandro Medical Center in San Leandro, California, part of Kaiser Permanente.
What is Dr. Kelley I-Kai Chuang's office phone number?
The practice phone on file for Dr. Chuang is (510) 454-1000.
What is Dr. Kelley I-Kai Chuang's medical license number?
Dr. Chuang holds California license A97093, one of the licenses on file in 2 states.
Which states has Dr. Kelley I-Kai Chuang been licensed in?
Dmand AI has state licenses on file for Dr. Chuang in California (2006 to 2026) and Washington (since 2013).
Which hospitals is Dr. Kelley I-Kai Chuang affiliated with?
Dr. Chuang practices at San Leandro Medical Center in San Leandro, California. Dr. Chuang is also affiliated with Alameda Health System - Highland Hospital.
What medical group is Dr. Kelley I-Kai Chuang part of?
Dr. Chuang is linked to The Permanente Medical Group, Inc.
Does Dr. Kelley I-Kai Chuang accept Medicare?
Yes. CMS lists Dr. Chuang as accepting Medicare assignment.
Is Dr. Kelley I-Kai Chuang board certified?
Yes. Dr. Chuang is board certified in colon & rectal surgery by the American Board of Colon and Rectal Surgery.
Show 7 more questionsShow fewer questions
Where did Dr. Kelley I-Kai Chuang go to medical school?
Dr. Chuang graduated from Lewis Katz School of Medicine in 2005.
What drugs does Dr. Kelley I-Kai Chuang prescribe most?
In 2024 Medicare Part D data, Dr. Chuang's most prescribed drugs by claims were Oxycodone HCl, Metronidazole and Ciprofloxacin HCl.
Has Dr. Kelley I-Kai Chuang received payments from drug or device companies?
CMS Open Payments shows $14,963 in general payments to Dr. Chuang from 2 companies from 2017 to 2022. The largest total came from Intuitive Surgical, Inc.
How long has Dr. Kelley I-Kai Chuang been practicing?
Dr. Chuang graduated from medical school in 2005, 21 years ago.
Does Dr. Kelley I-Kai Chuang do research?
Dmand AI links 4 publications to Dr. Chuang, published from 2010 to 2011.
Who does Dr. Kelley I-Kai Chuang publish with?
Dr. Chuang's most frequent co-authors are Hobart W. Harris, MD (3 shared papers), Brian Patrick Curran, MD (1 shared paper) and Nancy Hsu, MD (1 shared paper).
What insurance does Dr. Kelley I-Kai Chuang accept?
Dr. Chuang 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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