Dr. Jay Jiwon Han, MD

  • Orange, CA
  • Physiatrist
NPI1134100209PAC ID2062491269
Medicare services, 2024
579
Medicare patients, 2024
184
Part D claims, 2024
32
Publications
34
Clinical trials
1
Practice address
101 City Drive South, Orange, CA 92868
Practice phone
Call (714) 456-7890
Professional email
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Personal email
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Mobile number
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Social profiles

Primary practice

UCI Health - Orange

Hospital · Orange, California

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Dr. Jay Jiwon Han is a physiatrist in Orange, California

Dr. Han practices at UCI Health - Orange in Orange, California, part of UC Irvine.

Dr. Han's NPI, 1134100209, was assigned on November 7, 2005. Dr. Han graduated from UCSF School of Medicine in 1998. Dr. Han holds California license A92157.

NPI and contact details
Medicare PAC ID
2062491269
NPI enumeration date
November 7, 2005
NPI status
Active
Accepts Medicare assignment
Yes
Practice phone
(714) 456-7890
Professional email
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Personal email
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Mobile number
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Sex
Male
Estimated age
54
Medical school graduation
1998

Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; Dmand AI Affiliation Data; and Doctors and Clinicians National Downloadable File (CMS)

Dr. Jay Jiwon Han practices at UCI Health - Orange in Orange, California

Dr. Han's primary practice is UCI Health - Orange, at 101 City Drive South, Orange, CA 92868 in Orange County. The practice phone is (714) 456-7890.

  • UCI Health - Orange
    101 City Drive South, Orange, CA 92868 · Orange CountyPhone(714) 456-7890

Source: Dmand AI Affiliation Data

Dr. Jay Jiwon Han is affiliated with 2 sites of care and 1 medical group

Dr. Han's primary practice is UCI Health - Orange in Orange, California, part of UC Irvine. The medical group on file is Department of Physical Medicine & Rehabilitation. Dmand AI also links Dr. Han to 1 more hospital, named with a free account.

See all 3 affiliations for Dr. Han

Sources: Dmand AI Affiliation Data; and Dmand AI Org Hierarchy Data

Dmand AI tracks the EHR system at Dr. Jay Jiwon Han's practice

Dmand AI tracks the electronic health record (EHR) system at each site where Dr. Han practices, 2 sites in all. Vendor and product names are available with a free account.

EHR by site
SiteEHR vendor and product
UCI Health - OrangeAvailable with a free account
+1 more affiliated siteAvailable with a free account

Source: Dmand AI Technology Install Data

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Dr. Jay Jiwon Han is one of 1,234 physiatrists in California

Physical medicine and rehabilitation is Dr. Han's primary specialty in the NPI Registry, under taxonomy code 208100000X. Dr. Han is board certified in neuromuscular medicine by the American Board of Physical Medicine and Rehabilitation. Dr. Han is licensed in California.

Specialties and state licenses

  • Physical medicine and rehabilitation, CaliforniaPrimaryLicense A92157 · 2005 to 2027 · taxonomy 208100000X

Physiatrists near Dr. Han

Counts of physiatrists 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. Jay Jiwon Han billed Medicare for 579 services in 2024

CMS data shows 579 Medicare services from Dr. Han across 6 procedure codes in 2024, for 184 Medicare patients. Medicare paid $54,341 for them. Every service was in a facility, such as a hospital, rather than an office.

Medicare services, 2024579
Medicare patients184
Paid by Medicare$54,341
Procedure codes6

Dr. Han's Medicare services by type, 2023 to 2024

  • 2023
  • 2024
Office and hospital visits
2023: 5442024: 5542%
Tests and treatments
2023: 262024: 254%

Dr. Han compared with the California median for physiatrists, 2024

  • Dr. Han
  • California median
Medicare services
579vs 84732% below
Medicare patients
184vs 15221% above
Part D claims
11vs 11891% below

Medians across 1,090 physiatrists in California with Dmand AI profiles that report each measure.

Dr. Han's most billed Medicare procedure codes, 2024

CMS publishes codes billed for 11 or more Medicare patients. Each label is the code family; CPT descriptions are licensed by the AMA.

See all procedures by Dr. Han

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Medicare shows one payer. Book a meeting to get commercial claims data for Dr. Han and other physiatrists in California.

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Sources: Medicare Physician & Other Practitioners - by Provider and Service (CMS), 2024 data; and Dmand AI Peer Benchmarks

Dr. Jay Jiwon Han treated 184 Medicare patients in 2024, average age 73

CMS counts 184 Medicare patients who saw Dr. Han in 2024. The largest group is 65 to 74, with 81 patients. 75% of them have high blood pressure, and 75% have high cholesterol. 40% are also on Medicaid. Their average risk score is 2.17, where 1.00 is the Medicare average, so they are sicker than most Medicare patients.

Across all payers, Dmand AI patient panel data puts Dr. Han's median patient age at 58, with 41% women.

Medicare patients, 2024184
Average age73
Average risk score2.17
Also on Medicaid40%

Dr. Han's Medicare patients by age, 2024

Dr. Han's Medicare patients by sex, 2024

  • Women9853%
  • Men8647%

Chronic conditions among Dr. Han's Medicare patients, 2024

  1. High blood pressure75%
  2. High cholesterol75%
  3. Arthritis73%
  4. Diabetes47%
  5. Mood disorders40%
  6. Ischemic heart disease39%
  7. Depression38%
  8. Anxiety35%

Share of Medicare patients with each condition. A patient can have several.

Dr. 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 58

Patient panel by sex, all payers

  • Women41%
  • Men58%

Sources: Dmand AI Patient Panel Data; and Medicare Physician & Other Practitioners - by Provider (CMS), 2024 data

Dr. Jay Jiwon Han wrote 32 Medicare Part D claims in 2024

In 2024, Dr. Han wrote 32 Medicare Part D claims for 12 patients. 81% of them were for generic drugs. CMS names the drug for 11 of them, across 1 drug with 11 or more claims each, at $62 in total drug cost. In 2020, CMS named 79 claims across 5 drugs.

Part D claims, 202432
Drugs named by CMS1
Total drug cost$62
Part D patients12

Dr. Han's Part D claims by kind of drug, 2024

  • Generic26 claims81%
  • Brand-name and other6 claims19%

Dr. Han's most prescribed drugs by claims, 2021

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, 2020 to 2021

  • 2020
  • 2021
Claims for drugs CMS names
2020: 792021: 1186%

Drugs named by CMS: 1 in 2021, 5 in 2020.

See all prescribing by Dr. Han

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 Dr. Jay Jiwon Han takes part in Medicare

Dr. 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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Dr. Jay Jiwon Han has 34 publications on record

Dmand AI links 34 papers to Dr. Han, published from 2008 to 2022. 2008 was the busiest year, with 2. The most frequent topics are Neuromuscular Diseases, Amyotrophic Lateral Sclerosis and Muscle, Skeletal. Dr. Han has published most often in Muscle Nerve. Dr. Han's most frequent co-authors are Gregory T. Carter, MD, Andrew J. Skalsky, MD and Michael D. Weiss, MD.

Papers34
Years published2008 to 2022

Dr. Han's papers by year, 2008 to 2022

Topics Dr. Han writes about most

  • Neuromuscular Diseases
  • Amyotrophic Lateral Sclerosis
  • Muscle, Skeletal
  • Muscular Dystrophies
  • Muscular Dystrophy, Duchenne
  • Range of Motion, Articular
  • Upper Extremity
  • Absorptiometry, Photon

Dr. Han's most frequent co-authors

Recent publications by Dr. Han

See all 34 publications and co-authors

See who Dr. Han researches with

Physician Network Discovery turns co-authorship, shared hospitals and shared groups into a map of who Dr. Han works with, so you can find a warm path to the right physiatrists.

How network discovery works

Sources: PubMed (National Library of Medicine); and Dmand AI Research Linkage

Dr. Jay Jiwon Han has worked on 1 clinical trial

Dmand AI links Dr. Han to 1 clinical trial. Conditions studied include Carpal Tunnel Syndrome and Median Neuropathy.

Conditions in Dr. Han's trials

  • Carpal Tunnel Syndrome
  • Median Neuropathy

Recent clinical trials with Dr. Han

Sources: Dmand AI Research Linkage; and ClinicalTrials.gov (National Library of Medicine)

Dr. Jay Jiwon Han received $268,414 in industry payments from 2016 to 2024

CMS Open Payments shows 312 general payments to Dr. Han from 5 drug and device companies from 2016 to 2024. Speaker and faculty fees make up the largest share, 80% of the total. Sanofi and Genzyme US Companies paid the most, $265,851.

General payments to Dr. Han by program year, 2016 to 2024

General payments to Dr. Han by kind, 2016 to 2024

$268.4Kin total
  • Speaker and faculty fees$216,03080%
  • Travel and lodging$42,34016%
  • Food and beverage$5,1582%
  • Consulting fees$4,8692%
  • Education$180%

Companies that paid Dr. Han the most, 2016 to 2024

Share is of all general payments to this clinician.

See all payments to Dr. Han

Source: Open Payments (CMS), 2025 data, released July 7, 2026

Dr. Jay Jiwon Han has 1 award and honors on record

Dmand AI lists 1 award for Dr. Han, most recently CMS Stage 1 EHR in 2014.

Awards and honors for Dr. Han

  1. 2014
    • CMS Stage 1 EHR

Source: Dmand AI Professional Profile Data

Dr. Jay Jiwon Han graduated from UCSF School of Medicine

Dr. Han graduated from UCSF School of Medicine in 1998.

  1. Medical schoolUCSF School of Medicine
  2. Board certified in neuromuscular medicineAmerican Board of Physical Medicine and Rehabilitation
  3. Board certified in physical medicine & rehabilitationAmerican Board of Physical Medicine and Rehabilitation

Source: Dmand AI Professional Profile Data

Dr. Jay Jiwon Han accepts plans from 13 insurance carriers

Dr. Han is in network with 13 carriers, including Aetna, Elevance and Blue Cross Blue Shield of Michigan. PPO plans come from the most carriers, 8. Check the plan with the practice before a visit.

  • Aetna
  • Elevance
  • Blue Cross Blue Shield of Michigan
  • United Healthcare
  • Blue Cross Blue Shield of Massachusetts
  • Regence Health Plans
  • Alliant Health Plans
  • Blue Cross and Blue Shield of Kansas City
  • +5 more carriersWith a free account

Plan types Dr. Han accepts, by number of carriers

  1. PPO8
  2. Medicare7
  3. HMO5
  4. EPO4
  5. POS4
  6. Medicaid1

Source: Dmand AI Insurance Network Data

Sources for Dr. Jay Jiwon Han's profile data

Sources for the data on this page
Data on this pageSource
NPI, name, sex, specialty and licensesNPPES NPI Registry (CMS) (opens in a new tab)Dmand AI Professional Profile Data
Practice locations and phoneDmand AI Affiliation Data
Primary practice, affiliations and health systemDmand AI Affiliation DataDmand AI Org Hierarchy Data
Medicare services and procedure codesMedicare Physician & Other Practitioners - by Provider and Service (CMS) (opens in a new tab)
State medians for the same specialtyDmand AI Peer Benchmarks
Medicare patients and the all-payer patient panelDmand AI Patient Panel DataMedicare Physician & Other Practitioners - by Provider (CMS) (opens in a new tab)
Part D prescribingMedicare 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 percentilesDoctors and Clinicians National Downloadable File (CMS) (opens in a new tab)
Publications, topics and co-authorsPubMed (National Library of Medicine) (opens in a new tab)Dmand AI Research Linkage
Clinical trials and co-investigatorsDmand AI Research LinkageClinicalTrials.gov (National Library of Medicine) (opens in a new tab)
Industry paymentsOpen Payments (CMS) (opens in a new tab)
Awards and committee rolesDmand AI Professional Profile Data
Training, board certification and membershipsDmand AI Professional Profile Data
Insurance carriers and plan typesDmand AI Insurance Network Data
EHR at each practice siteDmand AI Technology Install Data
Similar physiciansDmand AI Affiliation Data

Data last refreshed October 2026Report an inaccuracyRemove my information

FAQ

Frequently asked questions about Dr. Jay Jiwon 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 Dr. Jay Jiwon Han's NPI number?

Dr. Jay Jiwon Han's NPI number is 1134100209. It was assigned on November 7, 2005, and it is active in the NPI Registry.

What kind of doctor is Dr. Jay Jiwon Han?

Dr. Jay Jiwon Han is a physiatrist in Orange, California. The primary specialty in the NPI Registry is Physical Medicine & Rehabilitation Physician (taxonomy code 208100000X).

Where does Dr. Jay Jiwon Han practice?

Dr. Han practices at 101 City Drive South, Orange, CA 92868. Dr. Han's primary practice is UCI Health - Orange in Orange, California, part of UC Irvine. Dmand AI also links Dr. Han to 1 hospital.

What is Dr. Jay Jiwon Han's office phone number?

The practice phone on file for Dr. Han is (714) 456-7890.

What is Dr. Jay Jiwon Han's medical license number?

Dr. Han holds California license A92157.

Which hospitals is Dr. Jay Jiwon Han affiliated with?

Dr. Han practices at UCI Health - Orange in Orange, California. Dmand AI links Dr. Han to 1 more hospital.

What medical group is Dr. Jay Jiwon Han part of?

Dr. Han is linked to Department of Physical Medicine & Rehabilitation.

Does Dr. Jay Jiwon Han accept Medicare?

Yes. CMS data shows Dr. Han billed Medicare for 579 services in 2024, and Dr. Han accepts Medicare assignment.

How many Medicare patients does Dr. Jay Jiwon Han see?

CMS counts 184 Medicare patients who saw Dr. Han in 2024, with an average age of 73.

Is Dr. Jay Jiwon Han board certified?

Yes. Dr. Han is board certified in neuromuscular medicine by the American Board of Physical Medicine and Rehabilitation.

Show 8 more questionsShow fewer questions

What services does Dr. Jay Jiwon Han bill to Medicare?

In 2024, Dr. Han's most billed Medicare services were hospital inpatient care (99233), hospital inpatient care (99232) and hospital inpatient care (99222).

Where did Dr. Jay Jiwon Han go to medical school?

Dr. Han graduated from UCSF School of Medicine in 1998.

What drugs does Dr. Jay Jiwon Han prescribe most?

In 2021 Medicare Part D data, Dr. Han's most prescribed drugs by claims were Atorvastatin Calcium.

Has Dr. Jay Jiwon Han received payments from drug or device companies?

CMS Open Payments shows $268,414 in general payments to Dr. Han from 5 companies from 2016 to 2024. The largest total came from Sanofi and Genzyme US Companies.

How long has Dr. Jay Jiwon Han been practicing?

Dr. Han graduated from medical school in 1998, 28 years ago.

Does Dr. Jay Jiwon Han do research?

Dmand AI links 34 publications to Dr. Han, published from 2008 to 2022. Dr. Han has worked on 1 clinical trial.

Who does Dr. Jay Jiwon Han publish with?

Dr. Han's most frequent co-authors are Gregory T. Carter, MD (11 shared papers), Andrew J. Skalsky, MD (5 shared papers) and Michael D. Weiss, MD (4 shared papers).

What insurance does Dr. Jay Jiwon Han accept?

Dr. Han is in network with 13 carriers, including Aetna, Elevance and Blue Cross Blue Shield of Michigan. PPO plans come from the most carriers, 8. Check the plan with the practice before a visit.

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