Dr. Joo-Yeon J. Sung, MD, PhD
- Part D claims, 2024
- 325
- Hospital affiliations
- 1
- Industry payments
- $47
- Medical group
- 1
- Insurance carriers
- 2
- Practice address
- 901 Nevin Ave, Richmond, CA 94801
- Practice phone
- Call (510) 307-1555
- Professional email
- Get professional email
- Personal email
- Get personal email
- Mobile number
- Get mobile number
Primary practice
Richmond Medical Center
Richmond, California
Find Dr. Sung'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. Joo-Yeon J. Sung is a dermatologist in Richmond, California
Dr. Sung practices at Richmond Medical Center in Richmond, California.
Dr. Sung's NPI, 1619188943, was assigned on May 25, 2007. Dr. Sung graduated from New York University School of Medicine in 2005. Dr. Sung's Ohio license number on file is 57.012196.
- NPI
- 1619188943NPI Registry (opens in a new tab)
- Medicare PAC ID
- 4183817828
- NPI enumeration date
- May 25, 2007
- NPI status
- Active
- Accepts Medicare assignment
- Yes
- Practice phone
- (510) 307-1555
- Professional email
- Get email
- Personal email
- Get email
- Mobile number
- Get number
- Sex
- Female
- Estimated age
- 47
- Medical school graduation
- 2005
Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; Dmand AI Practice Data; and Doctors and Clinicians National Downloadable File (CMS)
Dr. Joo-Yeon J. Sung practices at Richmond Medical Center in Richmond, California
Dr. Sung's primary practice is Richmond Medical Center, at 901 Nevin Ave, Richmond, CA 94801 in Contra Costa County. The practice phone is (510) 307-1555.
- Richmond Medical Center901 Nevin Ave, Richmond, CA 94801 · Contra Costa CountyPhone(510) 307-1555
Sources: NPPES NPI Registry (CMS); and Dmand AI Practice Data
Dr. Joo-Yeon J. Sung is affiliated with 2 sites of care and 1 medical group
Dr. Sung's primary practice is Richmond Medical Center in Richmond, California. Dr. Sung is also affiliated with University Hospitals Cleveland 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. Joo-Yeon J. Sung's practice
Dmand AI tracks the electronic health record (EHR) system at each site where Dr. Sung practices. Vendor and product names are available with a free account.
| Site | EHR vendor and product |
|---|---|
| Richmond 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. Joo-Yeon J. Sung is one of 1,910 dermatologists in California
Dermatology is Dr. Sung's primary specialty in the NPI Registry, under taxonomy code 207N00000X. Dr. Sung is board certified in dermatology by the American Board of Dermatology. Dmand AI has Dr. Sung's licenses on file in 3 states: Ohio, California and New York.
Specialties and state licenses
- Dermatology, OhioPrimary
- California license
- New York license
Dermatologists near Dr. Sung
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. Joo-Yeon J. Sung's patients have a median age of 54
Across all payers, Dmand AI patient panel data puts Dr. Sung's median patient age at 54, with 64% women.
Dr. Sung's patients across all payers
Dmand AI patient panel data covers Medicare, Medicaid and commercial patients.
Patient panel by age, all payers
Median age 54
Patient panel by sex, all payers
- Women64%
- Men35%
Source: Dmand AI Patient Panel Data
Dr. Joo-Yeon J. Sung wrote 325 Medicare Part D claims in 2024
In 2024, Dr. Sung wrote 325 Medicare Part D claims for 153 patients. 75% of them were for generic drugs. CMS names the drug for 244 of them, across 9 drugs with 11 or more claims each, at $95,654 in total drug cost. In 2023, CMS named 78 claims across 4 drugs.
Dr. Sung's Part D claims by kind of drug, 2024
- Generic245 claims75%
- Brand-name80 claims25%
Dr. Sung'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. Sung's Part D claims, 2024
- Antibiotics4%12 of 325 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: 782024: 244213%
Drugs named by CMS: 9 in 2024, 4 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. Joo-Yeon J. Sung takes part in Medicare
Dr. Sung 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. Joo-Yeon J. Sung received $47 in industry payments in 2019
CMS Open Payments shows 1 general payment to Dr. Sung from 1 drug or device company in 2019. Food and beverage make up the largest share, 100% of the total. Galderma Laboratories, L.P. paid the most, $47.
Companies that paid Dr. Sung the most, 2019 to 2019
Share is of all general payments to this clinician.
Source: Open Payments (CMS), 2025 data, released July 7, 2026
Dr. Joo-Yeon J. Sung graduated from New York University School of Medicine
Dr. Sung graduated from New York University School of Medicine in 2005.
- Medical school
- Board certified in dermatology
- Board certified in dermatopathology
Source: Dmand AI Professional Profile Data
Dr. Joo-Yeon J. Sung accepts plans from 2 insurance carriers
Dr. Sung 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. Sung accepts, by number of carriers
- EPO1
- HMO1
- Medicare1
- POS1
Source: Dmand AI Insurance Network Data
Sources for Dr. Joo-Yeon J. Sung'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 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) |
| 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. Joo-Yeon J. Sung
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. Joo-Yeon J. Sung's NPI number?
Dr. Joo-Yeon J. Sung's NPI number is 1619188943. It was assigned on May 25, 2007, and it is active in the NPI Registry.
What kind of doctor is Dr. Joo-Yeon J. Sung?
Dr. Joo-Yeon J. Sung is a dermatologist in Richmond, California. The primary specialty in the NPI Registry is Dermatology Physician (taxonomy code 207N00000X).
Where does Dr. Joo-Yeon J. Sung practice?
Dr. Sung practices at 901 Nevin Ave, Richmond, CA 94801. Dr. Sung's primary practice is Richmond Medical Center in Richmond, California.
What is Dr. Joo-Yeon J. Sung's office phone number?
The practice phone on file for Dr. Sung is (510) 307-1555.
What is Dr. Joo-Yeon J. Sung's medical license number?
Dr. Sung's Ohio license number on file is 57.012196, one of the licenses on file in 3 states.
Which states has Dr. Joo-Yeon J. Sung been licensed in?
Dmand AI has state licenses on file for Dr. Sung in Ohio (2006 to 2009), California (2010 to 2026) and New York (2008 to 2010).
Which hospitals is Dr. Joo-Yeon J. Sung affiliated with?
Dr. Sung is affiliated with University Hospitals Cleveland Medical Center.
What medical group is Dr. Joo-Yeon J. Sung part of?
Dr. Sung is linked to The Permanente Medical Group, Inc.
Does Dr. Joo-Yeon J. Sung accept Medicare?
Yes. CMS lists Dr. Sung as accepting Medicare assignment.
Is Dr. Joo-Yeon J. Sung board certified?
Yes. Dr. Sung is board certified in dermatology by the American Board of Dermatology.
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Where did Dr. Joo-Yeon J. Sung go to medical school?
Dr. Sung graduated from New York University School of Medicine in 2005.
What drugs does Dr. Joo-Yeon J. Sung prescribe most?
In 2024 Medicare Part D data, Dr. Sung's most prescribed drugs by claims were Fluorouracil, Calcipotriene and Imiquimod.
Has Dr. Joo-Yeon J. Sung received payments from drug or device companies?
CMS Open Payments shows $47 in general payments to Dr. Sung from 1 company from 2019 to 2019. The largest total came from Galderma Laboratories, L.P.
How long has Dr. Joo-Yeon J. Sung been practicing?
Dr. Sung graduated from medical school in 2005, 21 years ago.
What insurance does Dr. Joo-Yeon J. Sung accept?
Dr. Sung 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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