Dr. Joon Choi, MD

  • Sun Valley, CA
  • OB-GYN
NPI1023073152PAC ID3779496948
Medicare services, 2024
79
Medicare patients, 2024
74
Part D claims, 2021
19
Publications
1
Industry payments
$15,276
Practice address
8100 N Sunland Blvd, Sun Valley, CA 91352
Practice phone
Call (818) 242-6811
Professional email
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Personal email
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Mobile number
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Social profiles

Primary practice

Joon Choi MD a Professional Corporation

Sun Valley, California

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Dr. Joon Choi is an OB-GYN in Sun Valley, California

Dr. Choi practices at Joon Choi MD a Professional Corporation in Sun Valley, California.

Dr. Choi's NPI, 1023073152, was assigned on April 20, 2006. Dr. Choi graduated from University of Toledo College of Medicine and Life Sciences in 1991. Dr. Choi holds California license G80351.

NPI and contact details
Medicare PAC ID
3779496948
NPI enumeration date
April 20, 2006
NPI status
Active
Accepts Medicare assignment
Yes
Practice phone
(818) 242-6811
Professional email
Get email
Personal email
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Mobile number
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Sex
Male
Estimated age
61
Medical school graduation
1991

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

Dr. Joon Choi practices at Joon Choi MD a Professional Corporation in Sun Valley, California

Dr. Choi's primary practice is Joon Choi MD a Professional Corporation, at 8100 N Sunland Blvd, Sun Valley, CA 91352 in Los Angeles County. The practice phone is (818) 242-6811.

  • Joon Choi MD a Professional Corporation
    8100 N Sunland Blvd, Sun Valley, CA 91352 · Los Angeles CountyPhone(818) 242-6811

Sources: NPPES NPI Registry (CMS); and Dmand AI Practice Data

Dr. Joon Choi is affiliated with 2 sites of care and 2 medical groups

Dr. Choi's primary practice is Joon Choi MD a Professional Corporation in Sun Valley, California. The medical group on file is SoCal OB/GYN. Dmand AI also links Dr. Choi to 1 more community health center and 1 medical group, each named with a free account.

See all 4 affiliations for Dr. Choi

Sources: NPPES NPI Registry (CMS); Dmand AI Practice Data; Dmand AI Affiliation Data; and Dmand AI Org Hierarchy Data

Dmand AI tracks the EHR system at Dr. Joon 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.

EHR by site
SiteEHR vendor and product
Joon Choi MD a Professional CorporationAvailable with a free account
+1 more site and 1 medical groupAvailable with a free account

Source: Dmand AI Technology Install Data

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Dr. Joon Choi is one of 4,642 OB-GYNs in California

Obstetrics and gynecology is Dr. Choi's primary specialty in the NPI Registry, under taxonomy code 207V00000X. Dr. Choi is board certified in obstetrics & gynecology by the American Board of Obstetrics and Gynecology. Dmand AI has Dr. Choi's licenses on file in 2 states: California and Michigan.

Specialties and state licenses

  • Obstetrics and gynecology, CaliforniaPrimaryLicense G80351 · 1994 to 2026 · taxonomy 207V00000X
  • Michigan license1993 to 1997

Clinical focus

Dmand AI lists menopause, pelvic prolapse and UTI among the conditions Dr. Choi treats.

OB-GYNs near Dr. Choi

Counts of OB-GYNs with a Dmand AI profile, by place and practice. Each opens the list.

4,642OB-GYNs in California
3OB-GYNs in Sun Valley

Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; and Dmand AI Peer Benchmarks

Dr. Joon Choi billed Medicare for 79 services in 2024

CMS data shows 79 Medicare services from Dr. Choi across 2 procedure codes in 2024, all of them office visits, for 74 Medicare patients. Medicare paid $6,094 for them. Every service was in an office.

Medicare services, 202479
Medicare patients74
Paid by Medicare$6,094
Procedure codes2

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

  • 2023
  • 2024
Office and hospital visits
2023: 512024: 7955%

Dr. Choi compared with the California median for OB-GYNs, 2024

  • Dr. Choi
  • California median
Medicare services
79vs 5836% above
Medicare patients
74vs 5242% above
Part D claims
19vs 3546% below

Medians across 3,823 OB-GYNs 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.

See all procedures by Dr. Choi

Need commercial claims for Dr. Choi?

Medicare shows one payer. Book a meeting to get commercial claims data for Dr. Choi and other OB-GYNs in California.

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

Dr. Joon Choi treated 74 Medicare patients in 2024, average age 67

CMS counts 74 Medicare patients who saw Dr. Choi in 2024. The largest group is 65 to 74, with 45 patients. 75% of them have arthritis, and 75% have high blood pressure. 82% are also on Medicaid. Their average risk score is 0.96, where 1.00 is the Medicare average.

Across all payers, Dmand AI patient panel data puts Dr. Choi's median patient age at 35, with 98% women.

Medicare patients, 202474
Average age67
Average risk score0.96
Also on Medicaid82%

Dr. Choi's Medicare patients by age, 2024

CMS leaves out age groups with fewer than 11 patients.

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

  1. Arthritis75%
  2. High blood pressure75%
  3. High cholesterol75%
  4. Diabetes51%
  5. Mood disorders50%
  6. Depression49%
  7. Anxiety45%
  8. Ischemic heart disease38%

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 35

Patient panel by sex, all payers

  • Women98%
  • Men2%

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

Dr. Joon Choi wrote 19 Medicare Part D claims in 2021

In 2021, Dr. Choi wrote 19 Medicare Part D claims. They cover 1 drug, with $385 in total drug cost. In 2019, CMS named 13 claims across 1 drug.

Part D claims, 202119
Drugs named by CMS1
Total drug cost$385

Dr. Choi'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, 2019 to 2021

  • 2019
  • 2021
Claims for drugs CMS names
2019: 132021: 1946%

Drugs named by CMS: 1 in 2021, 1 in 2019.

See all prescribing by Dr. Choi

Source: Medicare Part D Prescribers - by Provider and Drug (CMS), 2024 data, released May 6, 2026

How Dr. Joon Choi takes part in Medicare

Dr. Choi 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. Joon Choi has 1 publication on record

Dmand AI links 1 paper to Dr. Choi in 2015.

Papers1

Recent publications by Dr. Choi

See all 1 publications and co-authors

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 OB-GYNs.

How network discovery works

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

Dr. Joon Choi received $15,276 in industry payments from 2016 to 2025

CMS Open Payments shows 160 general payments to Dr. Choi from 26 drug and device companies from 2016 to 2025. Consulting fees make up the largest share, 82% of the total. MIMEDX Group, Inc. paid the most, $12,600.

General payments to Dr. Choi by program year, 2016 to 2025

General payments to Dr. Choi by kind, 2016 to 2025

$15.3Kin total
  • Consulting fees$12,60082%
  • Food and beverage$2,32215%
  • Education$3552%

Companies that paid Dr. Choi the most, 2016 to 2025

Share is of all general payments to this clinician.

See all payments to Dr. Choi

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

Dr. Joon Choi graduated from University of Toledo College of Medicine and Life Sciences

Dr. Choi graduated from University of Toledo College of Medicine and Life Sciences in 1991.

  1. Medical schoolUniversity of Toledo College of Medicine and Life Sciences
  2. Board certified in obstetrics & gynecologyAmerican Board of Obstetrics and Gynecology

Source: Dmand AI Professional Profile Data

Dr. Joon Choi accepts plans from 11 insurance carriers

Dr. Choi is in network with 11 carriers, including Aetna, Blue Cross Blue Shield of Michigan and United Healthcare. Medicare plans come from the most carriers, 9. Check the plan with the practice before a visit.

Plan types Dr. Choi accepts, by number of carriers

  1. Medicare9
  2. PPO7
  3. HMO5
  4. POS3
  5. EPO2
  6. Medicaid1

Source: Dmand AI Insurance Network Data

Sources for Dr. Joon Choi'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 phoneNPPES NPI Registry (CMS) (opens in a new tab)Dmand AI Practice Data
Primary practice, affiliations and health systemNPPES NPI Registry (CMS) (opens in a new tab)Dmand AI Practice DataDmand 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)
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
Industry paymentsOpen Payments (CMS) (opens in a new tab)
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. Joon 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. Joon Choi's NPI number?

Dr. Joon Choi's NPI number is 1023073152. It was assigned on April 20, 2006, and it is active in the NPI Registry.

What kind of doctor is Dr. Joon Choi?

Dr. Joon Choi is an OB-GYN in Sun Valley, California. The primary specialty in the NPI Registry is Obstetrics & Gynecology Physician (taxonomy code 207V00000X).

Where does Dr. Joon Choi practice?

Dr. Choi practices at 8100 N Sunland Blvd, Sun Valley, CA 91352. Dr. Choi's primary practice is Joon Choi MD a Professional Corporation in Sun Valley, California. Dmand AI also links Dr. Choi to 1 community health center and 1 medical group.

What is Dr. Joon Choi's office phone number?

The practice phone on file for Dr. Choi is (818) 242-6811.

What is Dr. Joon Choi's medical license number?

Dr. Choi holds California license G80351, one of the licenses on file in 2 states.

Which states has Dr. Joon Choi been licensed in?

Dmand AI has state licenses on file for Dr. Choi in California (1994 to 2026) and Michigan (1993 to 1997).

What medical group is Dr. Joon Choi part of?

Dr. Choi is linked to SoCal OB/GYN. Dmand AI links Dr. Choi to 1 more medical group.

Does Dr. Joon Choi accept Medicare?

Yes. CMS data shows Dr. Choi billed Medicare for 79 services in 2024, and Dr. Choi accepts Medicare assignment.

How many Medicare patients does Dr. Joon Choi see?

CMS counts 74 Medicare patients who saw Dr. Choi in 2024, with an average age of 67.

Is Dr. Joon Choi board certified?

Yes. Dr. Choi is board certified in obstetrics & gynecology by the American Board of Obstetrics and Gynecology.

Show 7 more questionsShow fewer questions

What services does Dr. Joon Choi bill to Medicare?

In 2024, Dr. Choi's most billed Medicare services were office visit, new patient (99203) and office visit, established patient (99213).

Where did Dr. Joon Choi go to medical school?

Dr. Choi graduated from University of Toledo College of Medicine and Life Sciences in 1991.

What drugs does Dr. Joon Choi prescribe most?

In 2021 Medicare Part D data, Dr. Choi's most prescribed drugs by claims were Clotrimazole-Betamethasone.

Has Dr. Joon Choi received payments from drug or device companies?

CMS Open Payments shows $15,276 in general payments to Dr. Choi from 26 companies from 2016 to 2025. The largest total came from MIMEDX Group, Inc.

How long has Dr. Joon Choi been practicing?

Dr. Choi graduated from medical school in 1991, 35 years ago.

Does Dr. Joon Choi do research?

Dmand AI links 1 publication to Dr. Choi.

What insurance does Dr. Joon Choi accept?

Dr. Choi is in network with 11 carriers, including Aetna, Blue Cross Blue Shield of Michigan and United Healthcare. Medicare plans come from the most carriers, 9. Check the plan with the practice before a visit.

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