Wei Sun
- Medicare services, 2023
- 52
- Part D claims, 2016
- 12
- Hospital affiliations
- 1
- Industry payments
- $142
- Medical group
- 1
- Practice address
- 3350 La Jolla Village Dr, San Diego, CA 92161
- Practice phone
- Call (702) 341-3020
- Professional email
- Get professional email
- Personal email
- Get personal email
- Mobile number
- Get mobile number
Primary practice
Jennifer Moreno VA Medical Center
San Diego, California
Find Wei Sun'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.
Wei Sun is an internist in San Diego, California
Wei Sun practices at Jennifer Moreno VA Medical Center in San Diego, California.
Wei Sun's NPI, 1104265172, was assigned on June 22, 2013. Wei Sun holds Massachusetts license 256157.
- NPI
- 1104265172NPI Registry (opens in a new tab)
- NPI enumeration date
- June 22, 2013
- NPI status
- Active
- Practice phone
- (702) 341-3020
- Professional email
- Get email
- Personal email
- Get email
- Mobile number
- Get number
- Sex
- Male
- Estimated age
- 57
- Medical school graduation
- 1995
Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; and Dmand AI Practice Data
Wei Sun practices at Jennifer Moreno VA Medical Center in San Diego, California
Wei Sun's primary practice is Jennifer Moreno VA Medical Center, at 3350 La Jolla Village Dr, San Diego, CA 92161 in San Diego County. The practice phone is (702) 341-3020.
- Jennifer Moreno VA Medical Center3350 La Jolla Village Dr, San Diego, CA 92161 · San Diego CountyPhone(702) 341-3020
Sources: NPPES NPI Registry (CMS); and Dmand AI Practice Data
Wei Sun is affiliated with 2 sites of care and 1 medical group
Wei Sun's primary practice is Jennifer Moreno VA Medical Center in San Diego, California. Wei Sun is also affiliated with Select Specialty Hospital - Pittsburgh / UPMC. The medical group on file is University of Pittsburgh Physicians, Department of Radiology.
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 Wei Sun's practice
Dmand AI tracks the electronic health record (EHR) system at each site where Wei Sun practices. Vendor and product names are available with a free account.
| Site | EHR vendor and product |
|---|---|
| Jennifer Moreno VA 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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Wei Sun is one of 16,751 internists in California
Internal medicine is Wei Sun's primary specialty in the NPI Registry, under taxonomy code 207R00000X. Wei Sun is licensed in Massachusetts.
Specialties and state licenses
- Internal medicine, MassachusettsPrimary
Internists near Wei Sun
Counts of internists 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
Wei Sun billed Medicare for 52 services in 2023
CMS data shows 52 Medicare services from Wei Sun across 2 procedure codes in 2023. Medicare paid $3,866 for them. Every service was in a facility, such as a hospital, rather than an office.
Wei Sun's Medicare services by type, 2022 to 2023
- 2022
- 2023
- Office and hospital visits
- 2022: 1672023: 5269%
- Tests and treatments
- 2022: 132023: 0100%
Wei Sun compared with the California median for internists, 2023
- Wei Sun
- California median
- Medicare services
- 52vs 36186% below
- Part D claims
- 12vs 42197% below
Medians across 15,815 internists in California with Dmand AI profiles that report each measure.
Wei Sun's most billed Medicare procedure codes, 2023
CMS publishes codes billed for 11 or more Medicare patients. Each label is the code family; CPT descriptions are licensed by the AMA.
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Medicare shows one payer. Book a meeting to get commercial claims data for Wei Sun and other internists in California.
Sources: Medicare Physician & Other Practitioners - by Provider and Service (CMS), 2024 data; and Dmand AI Peer Benchmarks
Wei Sun's patients have a median age of 72
Across all payers, Dmand AI patient panel data puts Wei Sun's median patient age at 72, with 65% women.
Wei Sun's patients across all payers
Dmand AI patient panel data covers Medicare, Medicaid and commercial patients.
Patient panel by age, all payers
Median age 72
Patient panel by sex, all payers
- Women65%
- Men35%
Source: Dmand AI Patient Panel Data
Wei Sun wrote 12 Medicare Part D claims in 2016
In 2016, Wei Sun wrote 12 Medicare Part D claims. Every claim was for a generic drug. They cover 1 drug, with $33 in total drug cost.
Wei Sun's most prescribed drugs by claims, 2016
CMS names a drug when it has 11 or more claims. Share is of the claims for drugs CMS names.
Source: Medicare Part D Prescribers - by Provider and Drug (CMS), 2024 data, released May 6, 2026
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Wei Sun received $142 in industry payments from 2016 to 2025
CMS Open Payments shows 7 general payments to Wei Sun from 5 drug and device companies from 2016 to 2025. Food and beverage make up the largest share, 100% of the total. Sumitomo Pharma America, Inc. paid the most, $41.
General payments to Wei Sun by program year, 2016 to 2025
Companies that paid Wei Sun the most, 2016 to 2025
Share is of all general payments to this clinician.
Source: Open Payments (CMS), 2025 data, released July 7, 2026
Sources for Wei Sun'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 services and procedure codes | Medicare Physician & Other Practitioners - by Provider and Service (CMS) (opens in a new tab) |
| State medians for the same specialty | Dmand AI Peer Benchmarks |
| 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) |
| Industry payments | Open Payments (CMS) (opens in a new tab) |
| 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 Wei Sun
Spotted something out of date? Email hello@dmand.ai and we will check the record. Contact details live in the free trial.
What is Wei Sun's NPI number?
Wei Sun's NPI number is 1104265172. It was assigned on June 22, 2013, and it is active in the NPI Registry.
What does Wei Sun specialize in?
Wei Sun is an internist in San Diego, California. The primary specialty in the NPI Registry is Internal Medicine Physician (taxonomy code 207R00000X).
Where does Wei Sun practice?
Wei Sun practices at 3350 La Jolla Village Dr, San Diego, CA 92161. Wei Sun's primary practice is Jennifer Moreno VA Medical Center in San Diego, California.
What is Wei Sun's office phone number?
The practice phone on file for Wei Sun is (702) 341-3020.
What is Wei Sun's medical license number?
Wei Sun holds Massachusetts license 256157.
Which hospitals is Wei Sun affiliated with?
Wei Sun is affiliated with Select Specialty Hospital - Pittsburgh / UPMC.
What medical group is Wei Sun part of?
Wei Sun is linked to University of Pittsburgh Physicians, Department of Radiology.
Does Wei Sun accept Medicare?
Yes. CMS data shows Wei Sun billed Medicare for 52 services in 2023.
What services does Wei Sun bill to Medicare?
In 2023, Wei Sun's most billed Medicare services were hospital inpatient care (99232) and hospital inpatient care (99222).
What drugs does Wei Sun prescribe most?
In 2016 Medicare Part D data, Wei Sun's most prescribed drugs by claims were Metoprolol Tartrate.
Has Wei Sun received payments from drug or device companies?
CMS Open Payments shows $142 in general payments to Wei Sun from 5 companies from 2016 to 2025. The largest total came from Sumitomo Pharma America, Inc.
How long has Wei Sun been practicing?
Wei Sun graduated from medical school in 1995, 31 years ago.
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