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Dr. Won I. Choi, MD
NPI1689683872
- Part D claims, 2024
- 864
- Publications
- 34
- Industry payments
- $672
- Medical group
- 1
- State licenses
- 3
- Practice address
- 2185 Citracado Pkwy, Escondido, CA 92029
- Practice phone
- Call (760) 739-2990
- Professional email
- Get professional email
- Personal email
- Get personal email
- Mobile number
- Get mobile number
Primary practice
Palomar Medical Center Escondido
Escondido, California
Find Dr. Choi's professional email, personal email and mobile number
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Dr. Won I. Choi is a psychiatrist in Escondido, California
Dr. Choi practices at Palomar Medical Center Escondido in Escondido, California.
Dr. Choi's NPI, 1689683872, was assigned on August 5, 2006. Dr. Choi graduated from Seoul National University College of Medicine in 1970. Dr. Choi holds California license A31280.
NPI and contact details
- NPI
- 1689683872NPI Registry (opens in a new tab)
- NPI enumeration date
- August 5, 2006
- NPI status
- Active
- Practice phone
- (760) 739-2990
- Professional email
- Get email
- Personal email
- Get email
- Mobile number
- Get number
- Sex
- Male
- Medical school graduation
- 1970
Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; and Dmand AI Practice Data
Dr. Won I. Choi practices at Palomar Medical Center Escondido in Escondido, California
Dr. Choi's primary practice is Palomar Medical Center Escondido, at 2185 Citracado Pkwy, Escondido, CA 92029 in San Diego County. The practice phone is (760) 739-2990.
- Palomar Medical Center Escondido2185 Citracado Pkwy, Escondido, CA 92029 · San Diego CountyPhone(760) 739-2990
Sources: NPPES NPI Registry (CMS); and Dmand AI Practice Data
Dr. Won I. Choi is affiliated with 1 site of care and 1 medical group
Dr. Choi's primary practice is Palomar Medical Center Escondido in Escondido, California. The medical group on file is Nebula Health.
Palomar Medical Center EscondidoPrimary
Sources: NPPES NPI Registry (CMS); Dmand AI Practice Data; and Dmand AI Affiliation Data
Dmand AI tracks the EHR system at Dr. Won I. Choi's practice
Dmand AI tracks the electronic health record (EHR) system at each site where Dr. Choi practices. Vendor and product names are available with a free account.
| Site | EHR vendor and product |
|---|---|
| Palomar Medical Center Escondido | Available with a free account |
Source: Dmand AI Technology Install Data
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Dr. Won I. Choi is one of 6,803 psychiatrists in California
Psychiatry is Dr. Choi's primary specialty in the NPI Registry, under taxonomy code 2084P0800X. Dr. Choi is board certified in psychiatry by the American Board of Psychiatry and Neurology. Dmand AI has Dr. Choi's licenses on file in 3 states: California, Washington and Rhode Island.
Specialties and state licenses
- Psychiatry, CaliforniaPrimary
- Washington license
- Rhode Island license
Psychiatrists near Dr. Choi
Counts of psychiatrists 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. Won I. Choi's patients have a median age of 40
Across all payers, Dmand AI patient panel data puts Dr. Choi's median patient age at 40, with 43% women.
Dr. Choi's patients across all payers
Dmand AI patient panel data covers Medicare, Medicaid and commercial patients.
Patient panel by age, all payers
Median age 40
Patient panel by sex, all payers
- Women43%
- Men56%
Source: Dmand AI Patient Panel Data
Dr. Won I. Choi wrote 864 Medicare Part D claims in 2024
In 2024, Dr. Choi wrote 864 Medicare Part D claims for 29 patients. 91% of them were for generic drugs. CMS names the drug for 766 of them, across 32 drugs with 11 or more claims each, at $180,087 in total drug cost. In 2023, CMS named 867 claims across 33 drugs.
Part D claims, 2024864
Drugs named by CMS32
Total drug cost$180,087
Part D patients29
Dr. Choi's Part D claims by kind of drug, 2024
- Generic789 claims91%
- Brand-name75 claims9%
Dr. Choi'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 Dr. Choi's Part D claims, 2024
- Antipsychotics, patients 65 and over4%32 of 864 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, 2023 to 2024
- 2023
- 2024
- Claims for drugs CMS names
- 2023: 8672024: 76612%
Drugs named by CMS: 32 in 2024, 33 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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Dr. Won I. Choi has 34 publications on record
Dmand AI links 34 papers to Dr. Choi, published from 2006 to 2016. 2009 was the busiest year, with 3. The most frequent topics are Poloxamer, Drug Carriers and Mice, Nude. Dr. Choi has published most often in J Control Release. Dr. Choi's most frequent co-authors are Omid C. Farokhzad, MD, Allan I. Hoffman, MD and Andrew S. Whyte, DO.
Papers34
Years published2006 to 2016
Dr. Choi's papers by year, 2007 to 2016
Topics Dr. Choi writes about most
- Poloxamer
- Drug Carriers
- Mice, Nude
- Cell Proliferation
- Chitosan
- DNA-Binding Proteins
- Nanoparticles
- Phototherapy
Dr. Choi's most frequent co-authors
- Omid C. Farokhzad, MD1 shared paper
- Allan I. Hoffman, MD1 shared paper
- Andrew S. Whyte, DO1 shared paper
Recent publications by Dr. Choi
Acoustic StimulationBrainEvoked Potentials, Auditory
BiomassBioreactorsCell Culture Techniques
AntioxidantsDouble-Blind MethodDry Eye Syndromes
Antineoplastic AgentsCell SurvivalDrug Carriers
See who Dr. Choi researches with
Physician Network Discovery turns co-authorship, shared hospitals and shared groups into a map of who Dr. Choi works with, so you can find a warm path to the right psychiatrists.
Sources: PubMed (National Library of Medicine); and Dmand AI Research Linkage
Dr. Won I. Choi received $672 in industry payments from 2016 to 2025
CMS Open Payments shows 12 general payments to Dr. Choi from 7 drug and device companies from 2016 to 2025. Food and beverage make up the largest share, 100% of the total. Teva Pharmaceuticals USA, Inc. paid the most, $147.
General payments to Dr. Choi by program year, 2016 to 2025
Companies that paid Dr. Choi the most, 2016 to 2025
Share is of all general payments to this clinician.
Source: Open Payments (CMS), 2025 data, released July 7, 2026
Dr. Won I. Choi graduated from Seoul National University College of Medicine
Dr. Choi graduated from Seoul National University College of Medicine in 1970.
- Medical school
- Board certified in psychiatry
Source: Dmand AI Professional Profile Data
Sources for Dr. Won I. Choi'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 | NPPES NPI Registry (CMS) (opens in a new tab)Dmand AI Practice Data |
| Primary practice, affiliations and health system | NPPES NPI Registry (CMS) (opens in a new tab)Dmand AI Practice DataDmand AI Affiliation 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) |
| Training, board certification and memberships | Dmand AI Professional Profile 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. Won I. Choi
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. Won I. Choi's NPI number?
Dr. Won I. Choi's NPI number is 1689683872. It was assigned on August 5, 2006, and it is active in the NPI Registry.
What kind of doctor is Dr. Won I. Choi?
Dr. Won I. Choi is a psychiatrist in Escondido, California. The primary specialty in the NPI Registry is Psychiatry Physician (taxonomy code 2084P0800X).
Where does Dr. Won I. Choi practice?
Dr. Choi practices at 2185 Citracado Pkwy, Escondido, CA 92029. Dr. Choi's primary practice is Palomar Medical Center Escondido in Escondido, California.
What is Dr. Won I. Choi's office phone number?
The practice phone on file for Dr. Choi is (760) 739-2990.
What is Dr. Won I. Choi's medical license number?
Dr. Choi holds California license A31280, one of the licenses on file in 3 states.
Which states has Dr. Won I. Choi been licensed in?
Dmand AI has state licenses on file for Dr. Choi in California (1977 to 2026), Washington (1990 to 2010) and Rhode Island (1979 to 1991).
What medical group is Dr. Won I. Choi part of?
Dr. Choi is linked to Nebula Health.
Is Dr. Won I. Choi board certified?
Yes. Dr. Choi is board certified in psychiatry by the American Board of Psychiatry and Neurology.
Where did Dr. Won I. Choi go to medical school?
Dr. Choi graduated from Seoul National University College of Medicine in 1970.
What drugs does Dr. Won I. Choi prescribe most?
In 2024 Medicare Part D data, Dr. Choi's most prescribed drugs by claims were Benztropine Mesylate, Aripiprazole and Clozapine.
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Has Dr. Won I. Choi received payments from drug or device companies?
CMS Open Payments shows $672 in general payments to Dr. Choi from 7 companies from 2016 to 2025. The largest total came from Teva Pharmaceuticals USA, Inc.
How long has Dr. Won I. Choi been practicing?
Dr. Choi graduated from medical school in 1970, 56 years ago.
Does Dr. Won I. Choi do research?
Dmand AI links 34 publications to Dr. Choi, published from 2006 to 2016.
Who does Dr. Won I. Choi publish with?
Dr. Choi's most frequent co-authors are Omid C. Farokhzad, MD (1 shared paper), Allan I. Hoffman, MD (1 shared paper) and Andrew S. Whyte, DO (1 shared paper).
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