Dr. Bor-Han Chiu, DO
- Medicare services, 2024
- 3,293
- Medicare patients, 2024
- 395
- Part D claims, 2024
- 33
- Hospital affiliations
- 3
- Industry payments
- $2,812
- Practice address
- 3630 East Imperial Highway, Lynwood, CA 90262
- Practice phone
- Call (310) 900-8900
- Professional email
- Get professional email
- Personal email
- Get personal email
- Mobile number
- Get mobile number
Primary practice
Find Dr. Chiu's professional email, personal email and mobile number
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Dr. Bor-Han Chiu is an infectious disease specialist in Lynwood, California
Dr. Chiu practices at St. Francis Medical Center in Lynwood, California, part of Prime Healthcare Services.
Dr. Chiu's NPI, 1306239470, was assigned on March 12, 2015. Dr. Chiu graduated from Touro University California - Vallejo in 2014. Dr. Chiu's California license number on file is 20A15498.
- NPI
- 1306239470NPI Registry (opens in a new tab)
- Medicare PAC ID
- 2466758933
- NPI enumeration date
- March 12, 2015
- NPI status
- Active
- Accepts Medicare assignment
- Yes
- Practice phone
- (310) 900-8900
- Professional email
- Get email
- Personal email
- Get email
- Mobile number
- Get number
- Sex
- Male
- Estimated age
- 38
- Medical school graduation
- 2014
Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; Dmand AI Affiliation Data; and Doctors and Clinicians National Downloadable File (CMS)
Dr. Bor-Han Chiu practices at St. Francis Medical Center in Lynwood, California
Dr. Chiu's primary practice is St. Francis Medical Center, at 3630 East Imperial Highway, Lynwood, CA 90262 in Los Angeles County. The practice phone is (310) 900-8900.
- St. Francis Medical Center3630 East Imperial Highway, Lynwood, CA 90262 · Los Angeles CountyPhone(310) 900-8900
Source: Dmand AI Affiliation Data
Dr. Bor-Han Chiu is affiliated with 5 sites of care and 1 medical group
Dr. Chiu's primary practice is St. Francis Medical Center in Lynwood, California, part of Prime Healthcare Services. Dr. Chiu is also affiliated with PIH Health Whittier Hospital. The medical group on file is Woundtech of California. Dmand AI also links Dr. Chiu to 1 more hospital, 1 physician office and 1 group practice or clinic, each named with a free account.
Sources: Dmand AI Affiliation Data; and Dmand AI Org Hierarchy Data
Dmand AI tracks the EHR system at Dr. Bor-Han Chiu's practice
Dmand AI tracks the electronic health record (EHR) system at each site where Dr. Chiu practices, 5 sites in all. Vendor and product names are available with a free account.
| Site | EHR vendor and product |
|---|---|
| St. Francis Medical Center | Available with a free account |
| +4 more affiliated sites | Available with a free account |
Source: Dmand AI Technology Install Data
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Dr. Bor-Han Chiu is one of 1,054 infectious disease specialists in California
Infectious disease is Dr. Chiu's primary specialty in the NPI Registry, under taxonomy code 207RI0200X. Dr. Chiu is board certified in infectious disease by the American Board of Internal Medicine. Dmand AI has Dr. Chiu's licenses on file in 3 states: California, Arizona and Ohio.
Specialties and state licenses
- Infectious disease, CaliforniaPrimary
- Arizona license
- Ohio license
Infectious disease specialists near Dr. Chiu
Counts of infectious disease specialists 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. Bor-Han Chiu billed Medicare for 3,293 services in 2024
CMS data shows 3,293 Medicare services from Dr. Chiu across 4 procedure codes in 2024, for 395 Medicare patients. Medicare paid $312,015 for them. Every service was in a facility, such as a hospital, rather than an office.
Dr. Chiu's Medicare services by type, 2023 to 2024
- 2023
- 2024
- Office and hospital visits
- 2023: 2,2642024: 3,29345%
Dr. Chiu compared with the California median for infectious disease specialists, 2024
- Dr. Chiu
- California median
- Medicare services
- 3,293vs 4297.7 times
- Medicare patients
- 395vs 1802.2 times
- Part D claims
- 38vs 11968% below
Medians across 930 infectious disease specialists in California with Dmand AI profiles that report each measure.
Dr. Chiu'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.
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Medicare shows one payer. Book a meeting to get commercial claims data for Dr. Chiu and other infectious disease specialists in California.
Sources: Medicare Physician & Other Practitioners - by Provider and Service (CMS), 2024 data; and Dmand AI Peer Benchmarks
Dr. Bor-Han Chiu treated 395 Medicare patients in 2024, average age 73
CMS counts 395 Medicare patients who saw Dr. Chiu in 2024. The largest group is 65 to 74, with 138 patients. 75% of them have diabetes, and 75% have high blood pressure. 90% are also on Medicaid. Their average risk score is 4.52, 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. Chiu's median patient age at 65, with 30% women.
Dr. Chiu's Medicare patients by age, 2024
Dr. Chiu's Medicare patients by sex, 2024
- Women20251%
- Men19349%
Chronic conditions among Dr. Chiu's Medicare patients, 2024
- Diabetes75%
- High blood pressure75%
- High cholesterol75%
- Heart failure72%
- Chronic kidney disease66%
- Arthritis63%
- Ischemic heart disease60%
- Mood disorders57%
Share of Medicare patients with each condition. A patient can have several.
Dr. Chiu's patients across all payers
Dmand AI patient panel data covers Medicare, Medicaid and commercial patients.
Patient panel by age, all payers
Median age 65
Patient panel by sex, all payers
- Women30%
- Men67%
Sources: Dmand AI Patient Panel Data; and Medicare Physician & Other Practitioners - by Provider (CMS), 2024 data
Dr. Bor-Han Chiu wrote 33 Medicare Part D claims in 2024
In 2024, Dr. Chiu wrote 33 Medicare Part D claims for 20 patients. 52% of them were for generic drugs. They cover 2 drugs, with $12,081 in total drug cost. In 2022, CMS named 27 claims across 1 drug.
Dr. Chiu's Part D claims by kind of drug, 2024
- Generic17 claims52%
- Brand-name16 claims48%
Dr. Chiu's most prescribed drugs by claims, 2023
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 Dr. Chiu's Part D claims, 2024
- Antibiotics91%30 of 33 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 2023
- 2022
- 2023
- Claims for drugs CMS names
- 2022: 272023: 3841%
Drugs named by CMS: 2 in 2023, 1 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 Dr. Bor-Han Chiu takes part in Medicare
Dr. Chiu 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. Bor-Han Chiu received $2,812 in industry payments from 2020 to 2025
CMS Open Payments shows 28 general payments to Dr. Chiu from 4 drug and device companies from 2020 to 2025. Food and beverage make up the largest share, 100% of the total. Melinta Therapeutics, Inc. paid the most, $1,236.
General payments to Dr. Chiu by program year, 2020 to 2025
Companies that paid Dr. Chiu the most, 2020 to 2025
Share is of all general payments to this clinician.
Source: Open Payments (CMS), 2025 data, released July 7, 2026
Dr. Bor-Han Chiu graduated from Touro University California - Vallejo
Dr. Chiu graduated from Touro University California - Vallejo in 2014.
- Medical school
- Board certified in infectious disease
- Board certified in internal medicine
Source: Dmand AI Professional Profile Data
Dr. Bor-Han Chiu accepts plans from 8 insurance carriers
Dr. Chiu is in network with 8 carriers, including Aetna, Blue Cross Blue Shield of Michigan and Blue Cross Blue Shield of Massachusetts. Medicare plans come from the most carriers, 8. Check the plan with the practice before a visit.
- Aetna
- Blue Cross Blue Shield of Michigan
- Blue Cross Blue Shield of Massachusetts
- HCSC
- Humana
- Regence Health Plans
- United Healthcare
- CMS Medicare
Plan types Dr. Chiu accepts, by number of carriers
- Medicare8
- PPO7
- HMO2
- POS2
- EPO1
Source: Dmand AI Insurance Network Data
Sources for Dr. Bor-Han Chiu'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 services and procedure codes | Medicare Physician & Other Practitioners - by Provider and Service (CMS) (opens in a new tab) |
| State medians for the same specialty | Dmand AI Peer Benchmarks |
| Medicare patients and the all-payer patient panel | Dmand AI Patient Panel DataMedicare Physician & Other Practitioners - by Provider (CMS) (opens in a new tab) |
| 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) |
| Training, board certification and memberships | Dmand AI Professional Profile Data |
| Insurance carriers and plan types | Dmand AI Insurance Network 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 Dr. Bor-Han Chiu
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. Bor-Han Chiu's NPI number?
Dr. Bor-Han Chiu's NPI number is 1306239470. It was assigned on March 12, 2015, and it is active in the NPI Registry.
What kind of doctor is Dr. Bor-Han Chiu?
Dr. Bor-Han Chiu is an infectious disease specialist in Lynwood, California. The primary specialty in the NPI Registry is Infectious Disease Physician (taxonomy code 207RI0200X).
Where does Dr. Bor-Han Chiu practice?
Dr. Chiu practices at 3630 East Imperial Highway, Lynwood, CA 90262. Dr. Chiu's primary practice is St. Francis Medical Center in Lynwood, California, part of Prime Healthcare Services. Dmand AI also links Dr. Chiu to 1 hospital, 1 physician office and 1 group practice or clinic.
What is Dr. Bor-Han Chiu's office phone number?
The practice phone on file for Dr. Chiu is (310) 900-8900.
What is Dr. Bor-Han Chiu's medical license number?
Dr. Chiu's California license number on file is 20A15498, one of the licenses on file in 3 states.
Which states has Dr. Bor-Han Chiu been licensed in?
Dmand AI has state licenses on file for Dr. Chiu in California (2017 to 2025), Arizona (2022 to 2025) and Ohio (2015 to 2018).
Which hospitals is Dr. Bor-Han Chiu affiliated with?
Dr. Chiu practices at St. Francis Medical Center in Lynwood, California. Dr. Chiu is also affiliated with PIH Health Whittier Hospital. Dmand AI links Dr. Chiu to 1 more hospital.
What medical group is Dr. Bor-Han Chiu part of?
Dr. Chiu is linked to Woundtech of California.
Does Dr. Bor-Han Chiu accept Medicare?
Yes. CMS data shows Dr. Chiu billed Medicare for 3,293 services in 2024, and Dr. Chiu accepts Medicare assignment.
How many Medicare patients does Dr. Bor-Han Chiu see?
CMS counts 395 Medicare patients who saw Dr. Chiu in 2024, with an average age of 73.
Show 7 more questionsShow fewer questions
Is Dr. Bor-Han Chiu board certified?
Yes. Dr. Chiu is board certified in infectious disease by the American Board of Internal Medicine.
What services does Dr. Bor-Han Chiu bill to Medicare?
In 2024, Dr. Chiu's most billed Medicare services were hospital inpatient care (99233), hospital inpatient care (99232) and hospital inpatient care (99222).
Where did Dr. Bor-Han Chiu go to medical school?
Dr. Chiu graduated from Touro University California - Vallejo in 2014.
What drugs does Dr. Bor-Han Chiu prescribe most?
In 2023 Medicare Part D data, Dr. Chiu's most prescribed drugs by claims were Ceftriaxone and Ertapenem.
Has Dr. Bor-Han Chiu received payments from drug or device companies?
CMS Open Payments shows $2,812 in general payments to Dr. Chiu from 4 companies from 2020 to 2025. The largest total came from Melinta Therapeutics, Inc.
How long has Dr. Bor-Han Chiu been practicing?
Dr. Chiu graduated from medical school in 2014, 12 years ago.
What insurance does Dr. Bor-Han Chiu accept?
Dr. Chiu is in network with 8 carriers, including Aetna, Blue Cross Blue Shield of Michigan and Blue Cross Blue Shield of Massachusetts. Medicare plans come from the most carriers, 8. Check the plan with the practice before a visit.
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