Dr. Gyu Sang Chin, MD
- Part D claims, 2024
- 62
- Hospital affiliations
- 1
- Industry payments
- $372
- Medical group
- 1
- State license
- 1
- Practice address
- 9961 Sierra Ave, Fontana, CA 92335
- Practice phone
- Call (909) 427-5000
- Professional email
- Get professional email
- Personal email
- Get personal email
- Mobile number
- Get mobile number
Primary practice
Find Dr. Chin'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. Gyu Sang Chin is a plastic surgeon in Fontana, California
Dr. Chin practices at Fontana Medical Center in Fontana, California, part of Kaiser Permanente.
Dr. Chin's NPI, 1144376039, was assigned on January 25, 2007. Dr. Chin graduated from Tulane University School of Medicine in 1994. Dr. Chin holds New York license 242838.
- NPI
- 1144376039NPI Registry (opens in a new tab)
- Medicare PAC ID
- 4284794470
- NPI enumeration date
- January 25, 2007
- NPI status
- Active
- Accepts Medicare assignment
- Yes
- Practice phone
- (909) 427-5000
- Professional email
- Get email
- Personal email
- Get email
- Mobile number
- Get number
- Sex
- Male
- Estimated age
- 58
- Medical school graduation
- 1994
Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; Dmand AI Affiliation Data; and Doctors and Clinicians National Downloadable File (CMS)
Dr. Gyu Sang Chin practices at Fontana Medical Center in Fontana, California
Dr. Chin's primary practice is Fontana Medical Center, at 9961 Sierra Ave, Fontana, CA 92335 in San Bernardino County. The practice phone is (909) 427-5000.
- Fontana Medical Center9961 Sierra Ave, Fontana, CA 92335 · San Bernardino CountyPhone(909) 427-5000
Source: Dmand AI Affiliation Data
Dr. Gyu Sang Chin is affiliated with 1 site of care and 1 medical group
Dr. Chin's primary practice is Fontana Medical Center in Fontana, California, part of Kaiser Permanente. The medical group on file is Southern California Permanente Medical Group.
Sources: Dmand AI Affiliation Data; and Dmand AI Org Hierarchy Data
Dmand AI tracks the EHR system at Dr. Gyu Sang Chin's practice
Dmand AI tracks the electronic health record (EHR) system at each site where Dr. Chin practices. Vendor and product names are available with a free account.
| Site | EHR vendor and product |
|---|---|
| Fontana Medical Center | Available with a free account |
Source: Dmand AI Technology Install Data
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Dr. Gyu Sang Chin is one of 778 plastic surgeons in California
Plastic surgery is Dr. Chin's primary specialty in the NPI Registry, under taxonomy code 208200000X. Dr. Chin is licensed in New York.
Specialties and state licenses
- Plastic surgery, New YorkPrimary
Plastic surgeons near Dr. Chin
Counts of plastic surgeons 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. Gyu Sang Chin's patients have a median age of 51
Across all payers, Dmand AI patient panel data puts Dr. Chin's median patient age at 51, with 81% women.
Dr. Chin's patients across all payers
Dmand AI patient panel data covers Medicare, Medicaid and commercial patients.
Patient panel by age, all payers
Median age 51
Patient panel by sex, all payers
- Women81%
- Men18%
Source: Dmand AI Patient Panel Data
Dr. Gyu Sang Chin wrote 62 Medicare Part D claims in 2024
In 2024, Dr. Chin wrote 62 Medicare Part D claims for 56 patients. 100% of them were for generic drugs. CMS names the drug for 50 of them, across 1 drug with 11 or more claims each, at $513 in total drug cost. In 2023, CMS named 26 claims across 1 drug.
Dr. Chin'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. Chin's Part D claims, 2024
- Antibiotics98%61 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: 262024: 5092%
Drugs named by CMS: 1 in 2024, 1 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. Gyu Sang Chin takes part in Medicare
Dr. Chin accepts Medicare assignment, so Medicare's approved amount is taken as full payment.
- Accepts Medicare assignment
- Yes
Mastectomy: 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. Gyu Sang Chin received $372 in industry payments from 2016 to 2023
CMS Open Payments shows 7 general payments to Dr. Chin from 6 drug and device companies from 2016 to 2023. Food and beverage make up the largest share, 77% of the total. Allergan Inc. paid the most, $146.
General payments to Dr. Chin by program year, 2016 to 2023
General payments to Dr. Chin by kind, 2016 to 2023
- Food and beverage$28777%
- Education$8523%
Companies that paid Dr. Chin the most, 2016 to 2023
Share is of all general payments to this clinician.
Source: Open Payments (CMS), 2025 data, released July 7, 2026
Dr. Gyu Sang Chin graduated from Tulane University School of Medicine
Dr. Chin graduated from Tulane University School of Medicine in 1994.
- Medical school
Source: Dmand AI Professional Profile Data
Sources for Dr. Gyu Sang Chin'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) |
| Industry payments | Open Payments (CMS) (opens in a new tab) |
| Training, board certification and memberships | Dmand AI Professional Profile 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. Gyu Sang Chin
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. Gyu Sang Chin's NPI number?
Dr. Gyu Sang Chin's NPI number is 1144376039. It was assigned on January 25, 2007, and it is active in the NPI Registry.
What kind of doctor is Dr. Gyu Sang Chin?
Dr. Gyu Sang Chin is a plastic surgeon in Fontana, California. The primary specialty in the NPI Registry is Plastic Surgery Physician (taxonomy code 208200000X).
Where does Dr. Gyu Sang Chin practice?
Dr. Chin practices at 9961 Sierra Ave, Fontana, CA 92335. Dr. Chin's primary practice is Fontana Medical Center in Fontana, California, part of Kaiser Permanente.
What is Dr. Gyu Sang Chin's office phone number?
The practice phone on file for Dr. Chin is (909) 427-5000.
What is Dr. Gyu Sang Chin's medical license number?
Dr. Chin holds New York license 242838.
Which hospitals is Dr. Gyu Sang Chin affiliated with?
Dr. Chin practices at Fontana Medical Center in Fontana, California.
What medical group is Dr. Gyu Sang Chin part of?
Dr. Chin is linked to Southern California Permanente Medical Group.
Does Dr. Gyu Sang Chin accept Medicare?
Yes. CMS lists Dr. Chin as accepting Medicare assignment.
Where did Dr. Gyu Sang Chin go to medical school?
Dr. Chin graduated from Tulane University School of Medicine in 1994.
What drugs does Dr. Gyu Sang Chin prescribe most?
In 2024 Medicare Part D data, Dr. Chin's most prescribed drugs by claims were Cephalexin.
Has Dr. Gyu Sang Chin received payments from drug or device companies?
CMS Open Payments shows $372 in general payments to Dr. Chin from 6 companies from 2016 to 2023. The largest total came from Allergan Inc.
How long has Dr. Gyu Sang Chin been practicing?
Dr. Chin graduated from medical school in 1994, 32 years ago.
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