Dr. Wonjae E. Choi, MD
- Medicare services, 2024
- 255
- Medicare patients, 2024
- 183
- Publications
- 1
- Hospital affiliations
- 2
- Industry payments
- $39
- Practice address
- 4001 J St, Sacramento, CA 95819
- Practice phone
- Call (916) 453-4453
- Professional email
- Get professional email
- Personal email
- Get personal email
- Mobile number
- Get mobile number
Primary practice
Find Dr. Choi'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. Wonjae E. Choi is an anesthesiologist in Sacramento, California
Dr. Choi practices at Dignity Health - Mercy General Hospital in Sacramento, California, part of CommonSpirit Health.
Dr. Choi's NPI, 1093766982, was assigned on May 15, 2006. Dr. Choi graduated from Loma Linda University School Of Medicine in 2001. Dr. Choi holds California license A82953.
- NPI
- 1093766982NPI Registry (opens in a new tab)
- Medicare PAC ID
- 3678592847
- NPI enumeration date
- May 15, 2006
- NPI status
- Active
- Accepts Medicare assignment
- Yes
- Practice phone
- (916) 453-4453
- Professional email
- Get email
- Personal email
- Get email
- Mobile number
- Get number
- Sex
- Male
- Estimated age
- 51
- Medical school graduation
- 2001
Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; Dmand AI Affiliation Data; and Doctors and Clinicians National Downloadable File (CMS)
Dr. Wonjae E. Choi practices at Dignity Health - Mercy General Hospital in Sacramento, California
Dr. Choi's primary practice is Dignity Health - Mercy General Hospital, at 4001 J St, Sacramento, CA 95819 in Sacramento County. The practice phone is (916) 453-4453.
- Dignity Health - Mercy General Hospital4001 J St, Sacramento, CA 95819 · Sacramento CountyPhone(916) 453-4453
Source: Dmand AI Affiliation Data
Dr. Wonjae E. Choi is affiliated with 4 sites of care and 2 medical groups
Dr. Choi's primary practice is Dignity Health - Mercy General Hospital in Sacramento, California, part of CommonSpirit Health. The medical group on file is Vituity. Dmand AI also links Dr. Choi to 1 more hospital, 2 group practices and clinics and 1 medical group, 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. Wonjae E. Choi's practice
Dmand AI tracks the electronic health record (EHR) system at each site where Dr. Choi practices, 4 sites in all. Vendor and product names are available with a free account.
| Site | EHR vendor and product |
|---|---|
| Dignity Health - Mercy General Hospital | Available with a free account |
| +3 more sites and 1 medical group | Available with a free account |
Source: Dmand AI Technology Install Data
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Dr. Wonjae E. Choi is one of 6,593 anesthesiologists in California
Anesthesiology is Dr. Choi's primary specialty in the NPI Registry, under taxonomy code 207L00000X. Dr. Choi is board certified in anesthesiology by the American Board of Anesthesiology. Dmand AI has Dr. Choi's licenses on file in 2 states: California and Ohio.
Specialties and state licenses
- Anesthesiology, CaliforniaPrimary
- Ohio license
Anesthesiologists near Dr. Choi
Counts of anesthesiologists 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. Wonjae E. Choi billed Medicare for 255 services in 2024
CMS data shows 255 Medicare services from Dr. Choi across 11 procedure codes in 2024, for 183 Medicare patients. Medicare paid $29,876 for them. Every service was in a facility, such as a hospital, rather than an office.
Dr. Choi's Medicare services by type, 2023 to 2024
- 2023
- 2024
- Tests and treatments
- 2023: 622024: 9452%
- Anesthesia
- 2023: 812024: 6026%
- Imaging
- 2023: 292024: 5486%
- Surgery
- 2023: 402024: 4718%
Dr. Choi compared with the California median for anesthesiologists, 2024
- Dr. Choi
- California median
- Medicare services
- 255vs 723.5 times
- Medicare patients
- 183vs 14328% above
Medians across 5,562 anesthesiologists in California with Dmand AI profiles that report each measure.
Dr. Choi'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.
Need commercial claims for Dr. Choi?
Medicare shows one payer. Book a meeting to get commercial claims data for Dr. Choi and other anesthesiologists in California.
Sources: Medicare Physician & Other Practitioners - by Provider and Service (CMS), 2024 data; and Dmand AI Peer Benchmarks
Dr. Wonjae E. Choi treated 183 Medicare patients in 2024, average age 73
CMS counts 183 Medicare patients who saw Dr. Choi in 2024. The largest group is 65 to 74, with 81 patients. 75% of them have high blood pressure, and 75% have high cholesterol. 31% are also on Medicaid. Their average risk score is 1.98, 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. Choi's median patient age at 62, with 57% women.
Dr. Choi's Medicare patients by age, 2024
Dr. Choi's Medicare patients by sex, 2024
- Women9250%
- Men9150%
Chronic conditions among Dr. Choi's Medicare patients, 2024
- High blood pressure75%
- High cholesterol75%
- Arthritis50%
- Atrial fibrillation46%
- Ischemic heart disease45%
- Diabetes40%
- Heart failure39%
- Chronic kidney disease36%
Share of Medicare patients with each condition. A patient can have several.
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 62
Patient panel by sex, all payers
- Women57%
- Men43%
Sources: Dmand AI Patient Panel Data; and Medicare Physician & Other Practitioners - by Provider (CMS), 2024 data
How Dr. Wonjae E. Choi takes part in Medicare
Dr. Choi accepts Medicare assignment, so Medicare's approved amount is taken as full payment.
- Accepts Medicare assignment
- Yes
Pacemaker insertion or repair: 1 to 10 procedures (CMS shows small counts as a range)
Sources: Doctors and Clinicians National Downloadable File (CMS); and Doctors and Clinicians Utilization Data (CMS)
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Dr. Wonjae E. Choi has 1 publication on record
Dmand AI links 1 paper to Dr. Choi in 2020. Dr. Choi's most frequent co-author is Connie Yachan Chang, MD, PhD.
Dr. Choi's most frequent co-authors
Recent publications by Dr. Choi
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 anesthesiologists.
Sources: PubMed (National Library of Medicine); and Dmand AI Research Linkage
Dr. Wonjae E. Choi received $39 in industry payments from 2020 to 2023
CMS Open Payments shows 2 general payments to Dr. Choi from 2 drug and device companies from 2020 to 2023. Food and beverage make up the largest share, 100% of the total. Janssen Pharmaceuticals, Inc paid the most, $21.
General payments to Dr. Choi by program year, 2020 to 2023
Companies that paid Dr. Choi the most, 2020 to 2023
Share is of all general payments to this clinician.
Source: Open Payments (CMS), 2025 data, released July 7, 2026
Dr. Wonjae E. Choi graduated from Loma Linda University School Of Medicine
Dr. Choi graduated from Loma Linda University School Of Medicine in 2001.
- Medical school
- Board certified in anesthesiology
Source: Dmand AI Professional Profile Data
Dr. Wonjae E. Choi accepts plans from 1 insurance carrier
Dr. Choi is in network with 1 carrier, including CMS Medicare. Medicare plans come from the most carriers, 1. Check the plan with the practice before a visit.
- CMS Medicare
Source: Dmand AI Insurance Network Data
Sources for Dr. Wonjae E. 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 | 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) |
| MIPS scores, telehealth, assignment and procedure percentiles | Doctors and Clinicians National Downloadable File (CMS) (opens in a new tab)Doctors and Clinicians Utilization Data (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 |
| 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. Wonjae E. 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. Wonjae E. Choi's NPI number?
Dr. Wonjae E. Choi's NPI number is 1093766982. It was assigned on May 15, 2006, and it is active in the NPI Registry.
What kind of doctor is Dr. Wonjae E. Choi?
Dr. Wonjae E. Choi is an anesthesiologist in Sacramento, California. The primary specialty in the NPI Registry is Anesthesiology Physician (taxonomy code 207L00000X).
Where does Dr. Wonjae E. Choi practice?
Dr. Choi practices at 4001 J St, Sacramento, CA 95819. Dr. Choi's primary practice is Dignity Health - Mercy General Hospital in Sacramento, California, part of CommonSpirit Health. Dmand AI also links Dr. Choi to 1 hospital, 2 group practices and clinics and 1 medical group.
What is Dr. Wonjae E. Choi's office phone number?
The practice phone on file for Dr. Choi is (916) 453-4453.
What is Dr. Wonjae E. Choi's medical license number?
Dr. Choi holds California license A82953, one of the licenses on file in 2 states.
Which states has Dr. Wonjae E. Choi been licensed in?
Dmand AI has state licenses on file for Dr. Choi in California (2003 to 2027) and Ohio (2001 to 2005).
Which hospitals is Dr. Wonjae E. Choi affiliated with?
Dr. Choi practices at Dignity Health - Mercy General Hospital in Sacramento, California. Dmand AI links Dr. Choi to 1 more hospital.
What medical group is Dr. Wonjae E. Choi part of?
Dr. Choi is linked to Vituity. Dmand AI links Dr. Choi to 1 more medical group.
Does Dr. Wonjae E. Choi accept Medicare?
Yes. CMS data shows Dr. Choi billed Medicare for 255 services in 2024, and Dr. Choi accepts Medicare assignment.
How many Medicare patients does Dr. Wonjae E. Choi see?
CMS counts 183 Medicare patients who saw Dr. Choi in 2024, with an average age of 73.
Show 8 more questionsShow fewer questions
Is Dr. Wonjae E. Choi board certified?
Yes. Dr. Choi is board certified in anesthesiology by the American Board of Anesthesiology.
What services does Dr. Wonjae E. Choi bill to Medicare?
In 2024, Dr. Choi's most billed Medicare services were ultrasound (76937), anesthesia (00537) and surgery: heart and blood vessels (36620).
Where did Dr. Wonjae E. Choi go to medical school?
Dr. Choi graduated from Loma Linda University School Of Medicine in 2001.
Has Dr. Wonjae E. Choi received payments from drug or device companies?
CMS Open Payments shows $39 in general payments to Dr. Choi from 2 companies from 2020 to 2023. The largest total came from Janssen Pharmaceuticals, Inc.
How long has Dr. Wonjae E. Choi been practicing?
Dr. Choi graduated from medical school in 2001, 25 years ago.
Does Dr. Wonjae E. Choi do research?
Dmand AI links 1 publication to Dr. Choi.
Who does Dr. Wonjae E. Choi publish with?
Dr. Choi's most frequent co-authors are Connie Yachan Chang, MD, PhD (1 shared paper).
What insurance does Dr. Wonjae E. Choi accept?
Dr. Choi is in network with 1 carrier, including CMS Medicare. Medicare plans come from the most carriers, 1. Check the plan with the practice before a visit.
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