Dr. John Inou Hwang, MD
- Part D claims, 2024
- 46
- Hospital affiliations
- 1
- Industry payments
- $152
- State license
- 1
- Year NPI issued
- 2012
- Practice address
- 462 First Avenue, New York, NY 10016
- Practice phone
- Call (212) 561-4132
- Professional email
- Get professional email
- Personal email
- Get personal email
- Mobile number
- Get mobile number
Primary practice
Find Dr. Hwang'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. John Inou Hwang is an internist in New York, New York
Dr. Hwang practices at NYC Health + Hospitals/Bellevue in New York, New York, part of NYC.
Dr. Hwang's NPI, 1194087825, was assigned on June 8, 2012. Dr. Hwang holds New York license 278335.
- NPI
- 1194087825NPI Registry (opens in a new tab)
- NPI enumeration date
- June 8, 2012
- NPI status
- Active
- Practice phone
- (212) 561-4132
- 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
Dr. John Inou Hwang practices at NYC Health + Hospitals/Bellevue in New York, New York
Dr. Hwang's primary practice is NYC Health + Hospitals/Bellevue, at 462 First Avenue, New York, NY 10016 in New York County. The practice phone is (212) 561-4132.
- NYC Health + Hospitals/Bellevue462 First Avenue, New York, NY 10016 · New York CountyPhone(212) 561-4132
Source: Dmand AI Affiliation Data
Dr. John Inou Hwang is affiliated with 1 site of care
Dr. Hwang's primary practice is NYC Health + Hospitals/Bellevue in New York, New York, part of NYC. Dr. Hwang's employer is on file too: a hospital.
Sources: Dmand AI Affiliation Data; and Dmand AI Org Hierarchy Data
Dmand AI tracks the EHR system at Dr. John Inou Hwang's practice
Dmand AI tracks the electronic health record (EHR) system at each site where Dr. Hwang practices. Vendor and product names are available with a free account.
| Site | EHR vendor and product |
|---|---|
| NYC Health + Hospitals/Bellevue | Available with a free account |
Source: Dmand AI Technology Install Data
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Dr. John Inou Hwang is one of 9,643 internists in New York
Internal medicine is Dr. Hwang's primary specialty in the NPI Registry, under taxonomy code 207R00000X. Dr. Hwang is licensed in New York.
Specialties and state licenses
- Internal medicine, New YorkPrimary
Internists near Dr. Hwang
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
Dr. John Inou Hwang's patients have a median age of 73
Across all payers, Dmand AI patient panel data puts Dr. Hwang's median patient age at 73, with 58% women.
Dr. 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 73
Patient panel by sex, all payers
- Women58%
- Men40%
Source: Dmand AI Patient Panel Data
Dr. John Inou Hwang wrote 46 Medicare Part D claims in 2024
In 2024, Dr. Hwang wrote 46 Medicare Part D claims for 15 patients. 87% of them were for generic drugs. CMS names the drug for 12 of them, across 1 drug with 11 or more claims each, at $3,832 in total drug cost. In 2016, CMS named 12 claims across 1 drug.
Dr. Hwang's Part D claims by kind of drug, 2024
- Generic40 claims87%
- Brand-name and other6 claims13%
Dr. Hwang's most prescribed drugs by claims, 2017
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, 2016 to 2017
- 2016
- 2017
- Claims for drugs CMS names
- 2016: 122017: 12No change
Drugs named by CMS: 1 in 2017, 1 in 2016.
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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Dr. John Inou Hwang received $152 in industry payments in 2024
CMS Open Payments shows 3 general payments to Dr. Hwang from 2 drug and device companies in 2024. Food and beverage make up the largest share, 100% of the total. Galderma Laboratories, L.P. paid the most, $119.
Companies that paid Dr. Hwang the most, 2024 to 2024
Share is of all general payments to this clinician.
Source: Open Payments (CMS), 2025 data, released July 7, 2026
Sources for Dr. John Inou 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) |
| 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 Dr. John Inou 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 Dr. John Inou Hwang's NPI number?
Dr. John Inou Hwang's NPI number is 1194087825. It was assigned on June 8, 2012, and it is active in the NPI Registry.
What kind of doctor is Dr. John Inou Hwang?
Dr. John Inou Hwang is an internist in New York, New York. The primary specialty in the NPI Registry is Internal Medicine Physician (taxonomy code 207R00000X).
Where does Dr. John Inou Hwang practice?
Dr. Hwang practices at 462 First Avenue, New York, NY 10016. Dr. Hwang's primary practice is NYC Health + Hospitals/Bellevue in New York, New York, part of NYC.
What is Dr. John Inou Hwang's office phone number?
The practice phone on file for Dr. Hwang is (212) 561-4132.
What is Dr. John Inou Hwang's medical license number?
Dr. Hwang holds New York license 278335.
Which hospitals is Dr. John Inou Hwang affiliated with?
Dr. Hwang practices at NYC Health + Hospitals/Bellevue in New York, New York.
What drugs does Dr. John Inou Hwang prescribe most?
In 2017 Medicare Part D data, Dr. Hwang's most prescribed drugs by claims were Incruse Ellipta.
Has Dr. John Inou Hwang received payments from drug or device companies?
CMS Open Payments shows $152 in general payments to Dr. Hwang from 2 companies from 2024 to 2024. The largest total came from Galderma Laboratories, L.P.
How long has Dr. John Inou Hwang been practicing?
Dr. Hwang's NPI was assigned in 2012.
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