Dr. Jenny J. Sung, MD
- Medicare patients, 2024
- 13
- Part D claims, 2024
- 91
- Hospital affiliations
- 1
- Industry payments
- $760
- Medical group
- 1
- Practice address
- 1425 S Main Street, Walnut Creek, CA 94596
- Practice phone
- Call (925) 295-4000
- Professional email
- Get professional email
- Personal email
- Get personal email
- Mobile number
- Get mobile number
Primary practice
Find Dr. Sung's professional email, personal email and mobile number
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Dr. Jenny J. Sung is a general surgeon in Walnut Creek, California
Dr. Sung practices at Walnut Creek Medical Center in Walnut Creek, California, part of Kaiser Permanente.
Dr. Sung's NPI, 1346259173, was assigned on August 8, 2006. Dr. Sung graduated from State University of NY Upstate Medical University in 2000. Dr. Sung holds Kentucky license 40392.
- NPI
- 1346259173NPI Registry (opens in a new tab)
- Medicare PAC ID
- 2365452455
- NPI enumeration date
- August 8, 2006
- NPI status
- Active
- Accepts Medicare assignment
- Yes
- Practice phone
- (925) 295-4000
- Professional email
- Get email
- Personal email
- Get email
- Mobile number
- Get number
- Sex
- Female
- Estimated age
- 52
- Medical school graduation
- 2000
Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; Dmand AI Affiliation Data; and Doctors and Clinicians National Downloadable File (CMS)
Dr. Jenny J. Sung practices at Walnut Creek Medical Center in Walnut Creek, California
Dr. Sung's primary practice is Walnut Creek Medical Center, at 1425 S Main Street, Walnut Creek, CA 94596 in Contra Costa County. The practice phone is (925) 295-4000.
- Walnut Creek Medical Center1425 S Main Street, Walnut Creek, CA 94596 · Contra Costa CountyPhone(925) 295-4000
Source: Dmand AI Affiliation Data
Dr. Jenny J. Sung is affiliated with 1 site of care and 1 medical group
Dr. Sung's primary practice is Walnut Creek Medical Center in Walnut Creek, California, part of Kaiser Permanente. 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. Jenny 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 |
|---|---|
| Walnut Creek Medical Center | Available with a free account |
Source: Dmand AI Technology Install Data
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Dr. Jenny J. Sung is one of 2,926 general surgeons in California
Surgery is Dr. Sung's primary specialty in the NPI Registry, under taxonomy code 208600000X. Dr. Sung is licensed in Kentucky.
Specialties and state licenses
- Surgery, KentuckyPrimary
General surgeons near Dr. Sung
Counts of general 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. Jenny J. Sung treated 13 Medicare patients in 2024, average age 63
CMS counts 13 Medicare patients who saw Dr. Sung in 2024. Their average risk score is 1.51, where 1.00 is the Medicare average, so they are sicker than most Medicare patients.
Across all payers, Dmand AI patient panel data puts Dr. Sung's median patient age at 64, 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 64
Patient panel by sex, all payers
- Women64%
- Men36%
Sources: Dmand AI Patient Panel Data; and Medicare Physician & Other Practitioners - by Provider (CMS), 2024 data
Dr. Jenny J. Sung wrote 91 Medicare Part D claims in 2024
In 2024, Dr. Sung wrote 91 Medicare Part D claims for 53 patients. 98% of them were for generic drugs. CMS names the drug for 52 of them, across 2 drugs with 11 or more claims each, at $389 in total drug cost. In 2023, CMS named 39 claims across 2 drugs.
Dr. Sung's Part D claims by kind of drug, 2024
- Generic89 claims98%
- Brand-name and other2 claims2%
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
- Opioids41%37 of 91 claims
- Antibiotics12%11 of 91 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: 392024: 5233%
Drugs named by CMS: 2 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. Jenny 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
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. Jenny J. Sung received $760 in industry payments from 2019 to 2025
CMS Open Payments shows 6 general payments to Dr. Sung from 3 drug and device companies from 2019 to 2025. Food and beverage make up the largest share, 100% of the total. Intuitive Surgical, Inc. paid the most, $408.
General payments to Dr. Sung by program year, 2019 to 2025
Companies that paid Dr. Sung the most, 2019 to 2025
Share is of all general payments to this clinician.
Source: Open Payments (CMS), 2025 data, released July 7, 2026
Dr. Jenny J. Sung graduated from State University of NY Upstate Medical University
Dr. Sung graduated from State University of NY Upstate Medical University in 2000.
- Medical school
Source: Dmand AI Professional Profile Data
Sources for Dr. Jenny 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 | 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 DataMedicare Physician & Other Practitioners - by Provider (CMS) (opens in a new tab) |
| 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. Jenny 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. Jenny J. Sung's NPI number?
Dr. Jenny J. Sung's NPI number is 1346259173. It was assigned on August 8, 2006, and it is active in the NPI Registry.
What kind of doctor is Dr. Jenny J. Sung?
Dr. Jenny J. Sung is a general surgeon in Walnut Creek, California. The primary specialty in the NPI Registry is Surgery Physician (taxonomy code 208600000X).
Where does Dr. Jenny J. Sung practice?
Dr. Sung practices at 1425 S Main Street, Walnut Creek, CA 94596. Dr. Sung's primary practice is Walnut Creek Medical Center in Walnut Creek, California, part of Kaiser Permanente.
What is Dr. Jenny J. Sung's office phone number?
The practice phone on file for Dr. Sung is (925) 295-4000.
What is Dr. Jenny J. Sung's medical license number?
Dr. Sung holds Kentucky license 40392.
Which hospitals is Dr. Jenny J. Sung affiliated with?
Dr. Sung practices at Walnut Creek Medical Center in Walnut Creek, California.
What medical group is Dr. Jenny J. Sung part of?
Dr. Sung is linked to The Permanente Medical Group, Inc.
Does Dr. Jenny J. Sung accept Medicare?
Yes. CMS lists Dr. Sung as accepting Medicare assignment.
How many Medicare patients does Dr. Jenny J. Sung see?
CMS counts 13 Medicare patients who saw Dr. Sung in 2024, with an average age of 63.
Where did Dr. Jenny J. Sung go to medical school?
Dr. Sung graduated from State University of NY Upstate Medical University in 2000.
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What drugs does Dr. Jenny J. Sung prescribe most?
In 2024 Medicare Part D data, Dr. Sung's most prescribed drugs by claims were Oxycodone HCl and Ibuprofen.
Has Dr. Jenny J. Sung received payments from drug or device companies?
CMS Open Payments shows $760 in general payments to Dr. Sung from 3 companies from 2019 to 2025. The largest total came from Intuitive Surgical, Inc.
How long has Dr. Jenny J. Sung been practicing?
Dr. Sung graduated from medical school in 2000, 26 years ago.
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