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Daniel Hwang
NPI1275094716
- Part D claims, 2024
- 623
- Publications
- 2
- Hospital affiliations
- 1
- Industry payments
- $53
- State license
- 1
- Practice address
- 12634 Olive Boulevard, Creve Coeur, MO 63141
- Practice phone
- Call (314) 996-8000
- Professional email
- Get professional email
- Personal email
- Get personal email
- Mobile number
- Get mobile number
Primary practice
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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.
Daniel Hwang is an internist in Saint Louis, Missouri
Daniel Hwang practices at Barnes-Jewish West County Hospital in Creve Coeur, Missouri, part of BJC Health.
Daniel Hwang's NPI, 1275094716, was assigned on March 27, 2019. Daniel Hwang holds Missouri license 2023050741.
NPI and contact details
- NPI
- 1275094716NPI Registry (opens in a new tab)
- NPI enumeration date
- March 27, 2019
- NPI status
- Active
- Practice phone
- (314) 996-8000
- Professional email
- Get email
- Personal email
- Get email
- Mobile number
- Get number
- Sex
- Male
Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; and Dmand AI Affiliation Data
Daniel Hwang practices at Barnes-Jewish West County Hospital in Creve Coeur, Missouri
Daniel Hwang's primary practice is Barnes-Jewish West County Hospital, at 12634 Olive Boulevard, Creve Coeur, MO 63141 in St. Louis County. The practice phone is (314) 996-8000.
- Barnes-Jewish West County Hospital12634 Olive Boulevard, Creve Coeur, MO 63141 · St. Louis CountyPhone(314) 996-8000
Source: Dmand AI Affiliation Data
Daniel Hwang is affiliated with 1 site of care
Daniel Hwang's primary practice is Barnes-Jewish West County Hospital in Creve Coeur, Missouri, part of BJC Health.
Sources: Dmand AI Affiliation Data; and Dmand AI Org Hierarchy Data
Dmand AI tracks the EHR system at Daniel Hwang's practice
Dmand AI tracks the electronic health record (EHR) system at each site where Daniel Hwang practices. Vendor and product names are available with a free account.
| Site | EHR vendor and product |
|---|---|
| Barnes-Jewish West County Hospital | Available with a free account |
Source: Dmand AI Technology Install Data
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Daniel Hwang is one of 2,114 internists in Missouri
Internal medicine is Daniel Hwang's primary specialty in the NPI Registry, under taxonomy code 207R00000X. Daniel Hwang is licensed in Missouri.
Specialties and state licenses
- Internal medicine, MissouriPrimary
Internists near Daniel Hwang
Counts of internists with a Dmand AI profile, by place and practice. Each opens the list.
2,114internists in Missouri735internists in Saint Louis14internists at Barnes-Jewish West County Hospital
Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; and Dmand AI Peer Benchmarks
Daniel Hwang's patients have a median age of 69
Across all payers, Dmand AI patient panel data puts Daniel Hwang's median patient age at 69, with 33% women.
Daniel Hwang's patients across all payers
Dmand AI patient panel data covers Medicare, Medicaid and commercial patients.
Patient panel by age, all payers
Median age 69
Patient panel by sex, all payers
- Women33%
- Men67%
Source: Dmand AI Patient Panel Data
Daniel Hwang wrote 623 Medicare Part D claims in 2024
In 2024, Daniel Hwang wrote 623 Medicare Part D claims for 66 patients. 84% of them were for generic drugs. CMS names the drug for 362 of them, across 17 drugs with 11 or more claims each, at $10,669 in total drug cost. In 2023, CMS named 418 claims across 22 drugs.
Part D claims, 2024623
Drugs named by CMS17
Total drug cost$10,669
Part D patients66
Daniel Hwang's Part D claims by kind of drug, 2024
- Generic521 claims84%
- Brand-name86 claims14%
- Other16 claims3%
Daniel Hwang'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: 4182024: 36213%
Drugs named by CMS: 17 in 2024, 22 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
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Daniel Hwang has 2 publications on record
Dmand AI links 2 papers to Daniel Hwang, published from 2014 to 2016. Daniel Hwang has published most often in PLoS One.
Papers2
Years published2014 to 2016
Recent publications by Daniel Hwang
Drosophila melanogasterGenome-Wide Association StudyPolymorphism, Single Nucleotide
See who Daniel Hwang researches with
Physician Network Discovery turns co-authorship, shared hospitals and shared groups into a map of who Daniel Hwang works with, so you can find a warm path to the right internists.
Sources: PubMed (National Library of Medicine); and Dmand AI Research Linkage
Daniel Hwang received $53 in industry payments in 2023
CMS Open Payments shows 1 general payment to Daniel Hwang from 1 drug or device company in 2023. Food and beverage make up the largest share, 100% of the total. Abiomed paid the most, $53.
Companies that paid Daniel Hwang the most, 2023 to 2023
Share is of all general payments to this clinician.
Source: Open Payments (CMS), 2025 data, released July 7, 2026
Sources for Daniel Hwang'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) |
| 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) |
| 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 Daniel Hwang
Spotted something out of date? Email hello@dmand.ai and we will check the record. Contact details live in the free trial.
What is Daniel Hwang's NPI number?
Daniel Hwang's NPI number is 1275094716. It was assigned on March 27, 2019, and it is active in the NPI Registry.
What does Daniel Hwang specialize in?
Daniel Hwang is an internist in Saint Louis, Missouri. The primary specialty in the NPI Registry is Internal Medicine Physician (taxonomy code 207R00000X).
Where does Daniel Hwang practice?
Daniel Hwang practices at 12634 Olive Boulevard, Creve Coeur, MO 63141. Daniel Hwang's primary practice is Barnes-Jewish West County Hospital in Creve Coeur, Missouri, part of BJC Health.
What is Daniel Hwang's office phone number?
The practice phone on file for Daniel Hwang is (314) 996-8000.
What is Daniel Hwang's medical license number?
Daniel Hwang holds Missouri license 2023050741.
Which hospitals is Daniel Hwang affiliated with?
Daniel Hwang practices at Barnes-Jewish West County Hospital in Creve Coeur, Missouri.
What drugs does Daniel Hwang prescribe most?
In 2024 Medicare Part D data, Daniel Hwang's most prescribed drugs by claims were Atorvastatin Calcium, Amlodipine Besylate and Carvedilol.
Has Daniel Hwang received payments from drug or device companies?
CMS Open Payments shows $53 in general payments to Daniel Hwang from 1 company from 2023 to 2023. The largest total came from Abiomed.
How long has Daniel Hwang been practicing?
Daniel Hwang's NPI was assigned in 2019.
Does Daniel Hwang do research?
Dmand AI links 2 publications to Daniel Hwang, published from 2014 to 2016.
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