Steven Jae Won Han
- Part D claims, 2024
- 587
- Hospital affiliations
- 2
- Industry payments
- $253
- Medical group
- 1
- State license
- 1
- Practice address
- 9333 Imperial Highway, Downey, CA 90242
- Practice phone
- Call (562) 461-6007
- Professional email
- Get professional email
- Personal email
- Get personal email
- Mobile number
- Get mobile number
Primary practice
Find Steven Han'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.
Steven Jae Won Han is an internist in Downey, California
Steven Han practices at Downey Medical Center in Downey, California, part of Kaiser Permanente.
Steven Han's NPI, 1881154698, was assigned on March 20, 2019. Steven Han holds District of Columbia license MD210002709.
- NPI
- 1881154698NPI Registry (opens in a new tab)
- Medicare PAC ID
- 5991168460
- NPI enumeration date
- March 20, 2019
- NPI status
- Active
- Accepts Medicare assignment
- Yes
- Practice phone
- (562) 461-6007
- 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 Affiliation Data; and Doctors and Clinicians National Downloadable File (CMS)
Steven Jae Won Han practices at Downey Medical Center in Downey, California
Steven Han's primary practice is Downey Medical Center, at 9333 Imperial Highway, Downey, CA 90242 in Los Angeles County. The practice phone is (562) 461-6007.
- Downey Medical Center9333 Imperial Highway, Downey, CA 90242 · Los Angeles CountyPhone(562) 461-6007
Source: Dmand AI Affiliation Data
Steven Jae Won Han is affiliated with 3 sites of care and 1 medical group
Steven Han's primary practice is Downey Medical Center in Downey, California, part of Kaiser Permanente. Steven Han is also affiliated with MedStar Washington Hospital Center. The medical group on file is Southern California Permanente Medical Group. Dmand AI also links Steven Han to 1 more breast imaging center, named with a free account.
Sources: Dmand AI Affiliation Data; and Dmand AI Org Hierarchy Data
Dmand AI tracks the EHR system at Steven Jae Won Han's practice
Dmand AI tracks the electronic health record (EHR) system at each site where Steven Han practices, 3 sites in all. Vendor and product names are available with a free account.
| Site | EHR vendor and product |
|---|---|
| Downey Medical Center | Available with a free account |
| +2 more affiliated sites | Available with a free account |
Source: Dmand AI Technology Install Data
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Steven Jae Won Han is one of 16,751 internists in California
Internal medicine is Steven Han's primary specialty in the NPI Registry, under taxonomy code 207R00000X. Steven Han is licensed in District of Columbia.
Specialties and state licenses
- Internal medicine, District of ColumbiaPrimary
Internists near Steven Han
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
Steven Jae Won Han's patients have a median age of 69
Across all payers, Dmand AI patient panel data puts Steven Han's median patient age at 69, with 54% women.
Steven Han'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
- Women54%
- Men46%
Source: Dmand AI Patient Panel Data
Steven Jae Won Han wrote 587 Medicare Part D claims in 2024
In 2024, Steven Han wrote 587 Medicare Part D claims for 166 patients. 88% of them were for generic drugs. CMS names the drug for 311 of them, across 16 drugs with 11 or more claims each, at $21,848 in total drug cost. In 2022, CMS named 45 claims across 3 drugs.
Steven Han's Part D claims by kind of drug, 2024
- Generic519 claims88%
- Brand-name and other68 claims12%
Steven Han'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 Steven Han's Part D claims, 2024
- Opioids3%18 of 587 claims
- Antibiotics15%90 of 587 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, 2022 to 2024
- 2022
- 2024
- Claims for drugs CMS names
- 2022: 452024: 311591%
Drugs named by CMS: 16 in 2024, 3 in 2022.
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 Steven Jae Won Han takes part in Medicare
Steven Han accepts Medicare assignment, so Medicare's approved amount is taken as full payment.
- Accepts Medicare assignment
- Yes
Source: Doctors and Clinicians National Downloadable File (CMS)
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Steven Jae Won Han received $253 in industry payments in 2025
CMS Open Payments shows 2 general payments to Steven Han from 2 drug and device companies in 2025. Food and beverage make up the largest share, 100% of the total. Sequana Medical US Inc. paid the most, $134.
Companies that paid Steven Han the most, 2025 to 2025
Share is of all general payments to this clinician.
Source: Open Payments (CMS), 2025 data, released July 7, 2026
Sources for Steven Jae Won Han'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) |
| MIPS scores, telehealth, assignment and procedure percentiles | Doctors and Clinicians National Downloadable File (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 Steven Jae Won Han
Spotted something out of date? Email hello@dmand.ai and we will check the record. Contact details live in the free trial.
What is Steven Jae Won Han's NPI number?
Steven Jae Won Han's NPI number is 1881154698. It was assigned on March 20, 2019, and it is active in the NPI Registry.
What does Steven Jae Won Han specialize in?
Steven Jae Won Han is an internist in Downey, California. The primary specialty in the NPI Registry is Internal Medicine Physician (taxonomy code 207R00000X).
Where does Steven Jae Won Han practice?
Steven Han practices at 9333 Imperial Highway, Downey, CA 90242. Steven Han's primary practice is Downey Medical Center in Downey, California, part of Kaiser Permanente. Dmand AI also links Steven Han to 1 breast imaging center.
What is Steven Jae Won Han's office phone number?
The practice phone on file for Steven Han is (562) 461-6007.
What is Steven Jae Won Han's medical license number?
Steven Han holds District of Columbia license MD210002709.
Which hospitals is Steven Jae Won Han affiliated with?
Steven Han practices at Downey Medical Center in Downey, California. Steven Han is also affiliated with MedStar Washington Hospital Center.
What medical group is Steven Jae Won Han part of?
Steven Han is linked to Southern California Permanente Medical Group.
Does Steven Jae Won Han accept Medicare?
Yes. CMS lists Steven Han as accepting Medicare assignment.
What drugs does Steven Jae Won Han prescribe most?
In 2024 Medicare Part D data, Steven Han's most prescribed drugs by claims were Pantoprazole Sodium, Amlodipine Besylate and Amoxicillin-Clavulanate Potass.
Has Steven Jae Won Han received payments from drug or device companies?
CMS Open Payments shows $253 in general payments to Steven Han from 2 companies from 2025 to 2025. The largest total came from Sequana Medical US Inc.
How long has Steven Jae Won Han been practicing?
Steven Han graduated from medical school in 2019, 7 years ago.
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