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Brian Nan Peng
NPI1023637188PAC ID9436518990
- Part D claims, 2024
- 467
- Publications
- 1
- Hospital affiliations
- 1
- Industry payments
- $478
- Medical group
- 1
- Practice address
- 915 N Grand Blvd, Saint Louis, MO 63106
- Practice phone
- Call (913) 578-4409
- Professional email
- Get professional email
- Personal email
- Get personal email
- Mobile number
- Get mobile number
Primary practice
VA St Louis Health Care System
Saint Louis, Missouri
Find Brian Peng'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.
Brian Nan Peng is an internist in Saint Louis, Missouri
Brian Peng practices at VA St Louis Health Care System in Saint Louis, Missouri.
Brian Peng's NPI, 1023637188, was assigned on April 9, 2020. Brian Peng graduated from University of California, San Diego School of Medicine in 2019. Brian Peng holds Missouri license 2023016710.
NPI and contact details
- NPI
- 1023637188NPI Registry (opens in a new tab)
- Medicare PAC ID
- 9436518990
- NPI enumeration date
- April 9, 2020
- NPI status
- Active
- Accepts Medicare assignment
- Yes
- Offers telehealth
- Yes
- Practice phone
- (913) 578-4409
- Professional email
- Get email
- Personal email
- Get email
- Mobile number
- Get number
- Sex
- Male
- Estimated age
- 33
- Medical school graduation
- 2019
Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; Dmand AI Practice Data; and Doctors and Clinicians National Downloadable File (CMS)
Brian Nan Peng practices at VA St Louis Health Care System in Saint Louis, Missouri
Brian Peng's primary practice is VA St Louis Health Care System, at 915 N Grand Blvd, Saint Louis, MO 63106 in Saint Louis City. The practice phone is (913) 578-4409.
- VA St Louis Health Care System915 N Grand Blvd, Saint Louis, MO 63106 · Saint Louis CityPhone(913) 578-4409
Sources: NPPES NPI Registry (CMS); and Dmand AI Practice Data
Brian Nan Peng is affiliated with 3 sites of care and 1 medical group
Brian Peng's primary practice is VA St Louis Health Care System in Saint Louis, Missouri. Brian Peng is also affiliated with Ronald Reagan UCLA Medical Center. The medical group on file is UCLA Medical Group. Dmand AI also links Brian Peng to 1 more group practice or clinic, named with a free account.
VA St Louis Health Care SystemPrimary
Sources: NPPES NPI Registry (CMS); Dmand AI Practice Data; and Dmand AI Affiliation Data
Dmand AI tracks the EHR system at Brian Nan Peng's practice
Dmand AI tracks the electronic health record (EHR) system at each site where Brian Peng practices, 2 sites in all. Vendor and product names are available with a free account.
| Site | EHR vendor and product |
|---|---|
| VA St Louis Health Care System | Available with a free account |
| +2 more affiliated sites | Available with a free account |
Source: Dmand AI Technology Install Data
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Brian Nan Peng is one of 2,114 internists in Missouri
Internal medicine is Brian Peng's primary specialty in the NPI Registry, under taxonomy code 207R00000X. Dmand AI has Brian Peng's licenses on file in 2 states: Missouri and California.
Specialties and state licenses
- Internal medicine, MissouriPrimary
- California license
Internists near Brian Peng
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
Brian Nan Peng's patients have a median age of 55
Across all payers, Dmand AI patient panel data puts Brian Peng's median patient age at 55, with 67% women.
Brian Peng's patients across all payers
Dmand AI patient panel data covers Medicare, Medicaid and commercial patients.
Patient panel by age, all payers
Median age 55
Patient panel by sex, all payers
- Women67%
- Men32%
Source: Dmand AI Patient Panel Data
Brian Nan Peng wrote 467 Medicare Part D claims in 2024
In 2024, Brian Peng wrote 467 Medicare Part D claims for 73 patients. 30% of them were for generic drugs. CMS names the drug for 286 of them, across 13 drugs with 11 or more claims each, at $169,065 in total drug cost. In 2023, CMS named 35 claims across 2 drugs.
Part D claims, 2024467
Drugs named by CMS13
Total drug cost$169,065
Part D patients73
Brian Peng's Part D claims by kind of drug, 2024
- Generic142 claims30%
- Brand-name288 claims62%
- Other37 claims8%
Brian Peng'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.
Part D claims for drugs CMS names, 2023 to 2024
- 2023
- 2024
- Claims for drugs CMS names
- 2023: 352024: 286717%
Drugs named by CMS: 13 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
Brian Nan Peng offers telehealth to Medicare patients
Brian Peng accepts Medicare assignment, so Medicare's approved amount is taken as full payment. CMS lists Brian Peng as offering telehealth.
- Accepts Medicare assignment
- Yes
- Offers telehealth
- Yes
Source: Doctors and Clinicians National Downloadable File (CMS)
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Brian Nan Peng has 1 publication on record
Dmand AI links 1 paper to Brian Peng in 2013.
Papers1
Recent publications by Brian Peng
See who Brian Peng researches with
Physician Network Discovery turns co-authorship, shared hospitals and shared groups into a map of who Brian Peng works with, so you can find a warm path to the right internists.
Sources: PubMed (National Library of Medicine); and Dmand AI Research Linkage
Brian Nan Peng received $478 in industry payments from 2022 to 2025
CMS Open Payments shows 6 general payments to Brian Peng from 6 drug and device companies from 2022 to 2025. Food and beverage make up the largest share, 100% of the total. Sequel Med Tech, LLC paid the most, $149.
General payments to Brian Peng by program year, 2022 to 2025
Companies that paid Brian Peng the most, 2022 to 2025
Share is of all general payments to this clinician.
Source: Open Payments (CMS), 2025 data, released July 7, 2026
Brian Nan Peng graduated from University of California, San Diego School of Medicine
Brian Peng graduated from University of California, San Diego School of Medicine in 2019.
- Medical school
Source: Dmand AI Professional Profile Data
Sources for Brian Nan Peng'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 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) |
| 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) |
| 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 Brian Nan Peng
Spotted something out of date? Email hello@dmand.ai and we will check the record. Contact details live in the free trial.
What is Brian Nan Peng's NPI number?
Brian Nan Peng's NPI number is 1023637188. It was assigned on April 9, 2020, and it is active in the NPI Registry.
What does Brian Nan Peng specialize in?
Brian Nan Peng is an internist in Saint Louis, Missouri. The primary specialty in the NPI Registry is Internal Medicine Physician (taxonomy code 207R00000X).
Where does Brian Nan Peng practice?
Brian Peng practices at 915 N Grand Blvd, Saint Louis, MO 63106. Brian Peng's primary practice is VA St Louis Health Care System in Saint Louis, Missouri. Dmand AI also links Brian Peng to 1 group practice or clinic.
What is Brian Nan Peng's office phone number?
The practice phone on file for Brian Peng is (913) 578-4409.
What is Brian Nan Peng's medical license number?
Brian Peng holds Missouri license 2023016710, one of the licenses on file in 2 states.
Which states has Brian Nan Peng been licensed in?
Dmand AI has state licenses on file for Brian Peng in Missouri and California.
Which hospitals is Brian Nan Peng affiliated with?
Brian Peng is affiliated with Ronald Reagan UCLA Medical Center.
What medical group is Brian Nan Peng part of?
Brian Peng is linked to UCLA Medical Group.
Does Brian Nan Peng accept Medicare?
Yes. CMS lists Brian Peng as accepting Medicare assignment.
Does Brian Nan Peng offer telehealth?
Yes. The CMS Doctors and Clinicians file lists Brian Peng as offering telehealth services.
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Where did Brian Nan Peng go to medical school?
Brian Peng graduated from University of California, San Diego School of Medicine in 2019.
What drugs does Brian Nan Peng prescribe most?
In 2024 Medicare Part D data, Brian Peng's most prescribed drugs by claims were Ozempic, Jardiance and Metformin HCl.
Has Brian Nan Peng received payments from drug or device companies?
CMS Open Payments shows $478 in general payments to Brian Peng from 6 companies from 2022 to 2025. The largest total came from Sequel Med Tech, LLC.
How long has Brian Nan Peng been practicing?
Brian Peng graduated from medical school in 2019, 7 years ago.
Does Brian Nan Peng do research?
Dmand AI links 1 publication to Brian Peng.
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