Dr. John Yongkwon Lee, MD

  • Lodi, CA
  • General surgeon
NPI1952742207PAC ID3779725551
Medicare services, 2024
646
Medicare patients, 2024
236
Part D claims, 2024
67
MIPS score, 2024
96
Hospital affiliations
1
Practice address
999 S Fairmont Ave Suite 50 Suite 50, Lodi, CA 95240-5139
Practice phone
Call (209) 334-8509
Professional email
Get professional email
Personal email
Get personal email
Mobile number
Get mobile number
Social profiles

Primary practice

Adventist Health Physicians Network - Surgery

Multi-specialty group site · Lodi, California

Find Dr. Lee'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.

View contacts for free

Dr. John Yongkwon Lee is a general surgeon in Lodi, California

Dr. Lee practices at Adventist Health Physicians Network - Surgery in Lodi, California.

Dr. Lee's NPI, 1952742207, was assigned on July 16, 2013. Dr. Lee graduated from University of Buenos Aires in 1996. Dr. Lee holds California license A126392.

NPI and contact details
Medicare PAC ID
3779725551
NPI enumeration date
July 16, 2013
NPI status
Active
Accepts Medicare assignment
Yes
Practice phone
(209) 334-8509
Professional email
Get email
Personal email
Get email
Mobile number
Get number
Sex
Male
Estimated age
56
Medical school graduation
1996

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

Dr. John Yongkwon Lee practices at Adventist Health Physicians Network - Surgery in Lodi, California

Dr. Lee's primary practice is Adventist Health Physicians Network - Surgery, at 999 S Fairmont Ave Suite 50 Suite 50, Lodi, CA 95240-5139. The practice phone is (209) 334-8509.

  • Adventist Health Physicians Network - Surgery
    999 S Fairmont Ave Suite 50 Suite 50, Lodi, CA 95240-5139Phone(209) 334-8509

Source: Dmand AI Affiliation Data

Dr. John Yongkwon Lee is affiliated with 2 sites of care and 1 medical group

Dr. Lee's primary practice is Adventist Health Physicians Network - Surgery in Lodi, California. Dr. Lee is also affiliated with Adventist Health Lodi Memorial. The medical group on file is Adventist Health Physicians Network.

Adventist Health Physicians Network - SurgeryMulti-specialty group site · Lodi, CaliforniaPrimary
Adventist Health Lodi MemorialAcute care hospital, Lodi, CAAdventist Health Physicians NetworkPrimary care group, Hanford, CA

Source: Dmand AI Affiliation Data

Dmand AI tracks the EHR system at Dr. John Yongkwon Lee's practice

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

EHR by site
SiteEHR vendor and product
Adventist Health Physicians Network - SurgeryAvailable with a free account
+1 more affiliated siteAvailable with a free account

Source: Dmand AI Technology Install Data

For health IT teams

See the EHR and IT leaders at every site where Dr. Lee practices

Dmand AI maps EHR vendors, IT decision makers and buying committees across each health system and 6.2K+ hospitals, with verified contacts in the same login.

Dr. John Yongkwon Lee is one of 2,926 general surgeons in California

Surgery is Dr. Lee's primary specialty in the NPI Registry, under taxonomy code 208600000X. Dr. Lee is board certified in surgery by the American Board of Surgery. Dmand AI has Dr. Lee's licenses on file in 2 states: California and Florida.

Specialties and state licenses

  • Surgery, CaliforniaPrimaryLicense A126392 · 2013 to 2026 · taxonomy 208600000X
  • Florida license2014 to 2019

Clinical focus

Dmand AI lists abdominal adhesion surgery, abdominal hernia repair surgery, appendectomy, cancerous skin growth removal, colon removal, esophagus, stomach, or upper small intestine surgery, gallbladder removal and groin hernia surgery among the conditions Dr. Lee treats.

General surgeons near Dr. Lee

Counts of general surgeons with a Dmand AI profile, by place and practice. Each opens the list.

2,926general surgeons in California
7general surgeons in Lodi

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

Dr. John Yongkwon Lee billed Medicare for 646 services in 2024

CMS data shows 646 Medicare services from Dr. Lee across 8 procedure codes in 2024, for 236 Medicare patients. Medicare paid $74,716 for them.

Medicare services, 2024646
Medicare patients236
Paid by Medicare$74,716
Procedure codes8

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

  • 2023
  • 2024
Office and hospital visits
2023: 5382024: 62516%
Surgery
2023: 282024: 2125%

Where Dr. Lee's Medicare services took place, 2024

  • In an office17227%
  • In a facility47473%

Dr. Lee compared with the California median for general surgeons, 2024

  • Dr. Lee
  • California median
Medicare services
646vs 1663.9 times
Medicare patients
236vs 12195% above
Part D claims
22vs 3435% below

Medians across 2,606 general surgeons in California with Dmand AI profiles that report each measure.

Dr. Lee'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. Lee

Need commercial claims for Dr. Lee?

Medicare shows one payer. Book a meeting to get commercial claims data for Dr. Lee and other general surgeons in California.

Book a meeting

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

Dr. John Yongkwon Lee treated 236 Medicare patients in 2024, average age 73

CMS counts 236 Medicare patients who saw Dr. Lee in 2024. The largest group is 65 to 74, with 105 patients. 75% of them have high blood pressure, and 75% have high cholesterol. 37% are also on Medicaid. Their average risk score is 1.84, 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. Lee's median patient age at 53, with 55% women.

Medicare patients, 2024236
Average age73
Average risk score1.84
Also on Medicaid37%

Dr. Lee's Medicare patients by age, 2024

Dr. Lee's Medicare patients by sex, 2024

  • Women12151%
  • Men11549%

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

  1. High blood pressure75%
  2. High cholesterol75%
  3. Arthritis45%
  4. Chronic kidney disease34%
  5. Diabetes34%
  6. Heart failure27%
  7. Ischemic heart disease27%
  8. Mood disorders25%

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

Dr. Lee's patients across all payers

Dmand AI patient panel data covers Medicare, Medicaid and commercial patients.

Patient panel by age, all payers

Median age 53

Patient panel by sex, all payers

  • Women55%
  • Men45%

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

Dr. John Yongkwon Lee wrote 67 Medicare Part D claims in 2024

In 2024, Dr. Lee wrote 67 Medicare Part D claims for 41 patients. 99% of them were for generic drugs. CMS names the drug for 22 of them, across 1 drug with 11 or more claims each, at $55 in total drug cost. In 2023, CMS named 17 claims across 1 drug.

Part D claims, 202467
Drugs named by CMS1
Total drug cost$55
Part D patients41

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

  • Generic66 claims99%
  • Brand-name and other1 claims1%

Dr. Lee'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. Lee's Part D claims, 2024

  • Opioids42%28 of 67 claims
  • Antibiotics36%24 of 67 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: 172024: 2229%

Drugs named by CMS: 1 in 2024, 1 in 2023.

See all prescribing by Dr. Lee

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

Dr. John Yongkwon Lee scored 96 out of 100 in Medicare's MIPS program for 2024

CMS publishes a Merit-based Incentive Payment System (MIPS) score of 96 out of 100 for Dr. Lee for performance year 2024, reported through an alternative payment model (APM). Dr. Lee accepts Medicare assignment, so Medicare's approved amount is taken as full payment.

Accepts Medicare assignment
Yes

Dr. Lee's MIPS scores, performance year 2024

  • 96of 100Final score
  • 81.5of 100Quality
  • 100of 100Promoting Interoperability
  • 40of 100Improvement Activities

Each score is out of 100. The final score weighs the categories CMS scored for this clinician.

Colonoscopy: 1 to 10 procedures (CMS shows small counts as a range)

Coronary artery bypass graft (CABG): 1 to 10 procedures (CMS shows small counts as a range)

Hernia repair (minimally invasive): 1 to 10 procedures (CMS shows small counts as a range)

Hernia repair - groin (open): 1 to 10 procedures (CMS shows small counts as a range)

Mastectomy: 1 to 10 procedures (CMS shows small counts as a range)

Melanoma (skin cancer) excision: 1 to 10 procedures (CMS shows small counts as a range)

Removal of tissue: 1 to 10 procedures (CMS shows small counts as a range)

Sources: Doctors and Clinicians National Downloadable File (CMS); Clinician Public Reporting: Overall MIPS Performance (CMS), 2024 data, released September 10, 2026; and Doctors and Clinicians Utilization Data (CMS)

For MedTech and pharma teams

Find general surgeons like Dr. Lee by procedure volume and prescribing

Filter 7.4M+ HCPs by Medicare procedures, Part D drugs and Open Payments history, then reach them with verified contacts in one login.

Dr. John Yongkwon Lee received $19,806 in industry payments from 2016 to 2025

CMS Open Payments shows 65 general payments to Dr. Lee from 16 drug and device companies from 2016 to 2025. Education make up the largest share, 66% of the total. Intuitive Surgical, Inc. paid the most, $15,711.

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

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

$19.8Kin total
  • Education$13,00066%
  • Travel and lodging$4,57723%
  • Food and beverage$2,22911%

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

Share is of all general payments to this clinician.

See all payments to Dr. Lee

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

Dr. John Yongkwon Lee graduated from University of Buenos Aires

Dr. Lee graduated from University of Buenos Aires in 1996.

  1. Medical schoolUniversity of Buenos Aires
  2. Board certified in surgeryAmerican Board of Surgery

Source: Dmand AI Professional Profile Data

Dr. John Yongkwon Lee accepts plans from 15 insurance carriers

Dr. Lee is in network with 15 carriers, including United Healthcare, Blue Cross Blue Shield of Michigan and Blue Cross Blue Shield of Massachusetts. PPO plans come from the most carriers, 7. Check the plan with the practice before a visit.

  • United Healthcare
  • Blue Cross Blue Shield of Michigan
  • Blue Cross Blue Shield of Massachusetts
  • Elevance
  • HCSC
  • Regence Health Plans
  • Aetna
  • Alliant Health Plans
  • +7 more carriersWith a free account

Plan types Dr. Lee accepts, by number of carriers

  1. PPO7
  2. HMO6
  3. Medicare6
  4. POS3
  5. EPO1
  6. Medicaid1

Source: Dmand AI Insurance Network Data

Sources for Dr. John Yongkwon Lee'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 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)Clinician Public Reporting: Overall MIPS Performance (CMS) (opens in a new tab)Doctors and Clinicians Utilization Data (CMS) (opens in a new tab)
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. John Yongkwon Lee

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. John Yongkwon Lee's NPI number?

Dr. John Yongkwon Lee's NPI number is 1952742207. It was assigned on July 16, 2013, and it is active in the NPI Registry.

What kind of doctor is Dr. John Yongkwon Lee?

Dr. John Yongkwon Lee is a general surgeon in Lodi, California. The primary specialty in the NPI Registry is Surgery Physician (taxonomy code 208600000X).

Where does Dr. John Yongkwon Lee practice?

Dr. Lee practices at 999 S Fairmont Ave Suite 50 Suite 50, Lodi, CA 95240-5139. Dr. Lee's primary practice is Adventist Health Physicians Network - Surgery in Lodi, California.

What is Dr. John Yongkwon Lee's office phone number?

The practice phone on file for Dr. Lee is (209) 334-8509.

What is Dr. John Yongkwon Lee's medical license number?

Dr. Lee holds California license A126392, one of the licenses on file in 2 states.

Which states has Dr. John Yongkwon Lee been licensed in?

Dmand AI has state licenses on file for Dr. Lee in California (2013 to 2026) and Florida (2014 to 2019).

Which hospitals is Dr. John Yongkwon Lee affiliated with?

Dr. Lee is affiliated with Adventist Health Lodi Memorial.

What medical group is Dr. John Yongkwon Lee part of?

Dr. Lee is linked to Adventist Health Physicians Network.

Does Dr. John Yongkwon Lee accept Medicare?

Yes. CMS data shows Dr. Lee billed Medicare for 646 services in 2024, and Dr. Lee accepts Medicare assignment.

What is Dr. John Yongkwon Lee's MIPS score?

Dr. Lee's MIPS final score for performance year 2024 is 96 out of 100, reported through an alternative payment model (APM).

Show 8 more questionsShow fewer questions

How many Medicare patients does Dr. John Yongkwon Lee see?

CMS counts 236 Medicare patients who saw Dr. Lee in 2024, with an average age of 73.

Is Dr. John Yongkwon Lee board certified?

Yes. Dr. Lee is board certified in surgery by the American Board of Surgery.

What services does Dr. John Yongkwon Lee bill to Medicare?

In 2024, Dr. Lee's most billed Medicare services were hospital inpatient care (99233), hospital inpatient care (99223) and office visit, established patient (99213).

Where did Dr. John Yongkwon Lee go to medical school?

Dr. Lee graduated from University of Buenos Aires in 1996.

What drugs does Dr. John Yongkwon Lee prescribe most?

In 2024 Medicare Part D data, Dr. Lee's most prescribed drugs by claims were Tramadol HCl.

Has Dr. John Yongkwon Lee received payments from drug or device companies?

CMS Open Payments shows $19,806 in general payments to Dr. Lee from 16 companies from 2016 to 2025. The largest total came from Intuitive Surgical, Inc.

How long has Dr. John Yongkwon Lee been practicing?

Dr. Lee graduated from medical school in 1996, 30 years ago.

What insurance does Dr. John Yongkwon Lee accept?

Dr. Lee is in network with 15 carriers, including United Healthcare, Blue Cross Blue Shield of Michigan and Blue Cross Blue Shield of Massachusetts. PPO plans come from the most carriers, 7. Check the plan with the practice before a visit.

Selling to surgery practices?

See general surgeons in California by site of care and group

Find the practices, groups and hospitals they work with, and the right people to contact at each.

  • 30 days free
  • Self-serve
  • No credit card

Cookie settings

Turn each category on or off. Your choice is kept for 12 months and you can change it here at any time.

Necessary

Always on. Sign-in, security, downloads you asked for, your cookie choice, and the page that led to a signup.

View cookies (6)
  • dm_consentDmand AI. Your cookie choices and whether your browser sent a Global Privacy Control signal. 12 months.
  • dm_ft, dm_ltDmand AI. The first and the latest page you arrived on, with the date, so a signup is credited to the page that worked. 90 days, 30 days.
  • dm_fs, dm_lsDmand AI. The first and the latest source of a visit (a search engine, a campaign or the site that linked here). 90 days, 30 days.
  • dm_dl, dm_dl_okDmand AI. After you give an email address for a download, lets you download files without being asked again. 30 days.
  • Session and CSRF cookiesDmand AI (app.dmand.ai). Sign-in and form protection in the application. Session.
  • __cf_bm, cf_clearanceCloudflare. Tells people from automated traffic and keeps the site available. 30 minutes; cf_clearance while a security check is valid.

Analytics

On unless you turn it off. How pages are used, in aggregate, and recordings of how pages are used.

View cookies (6)
  • Google Tag ManagerGoogle. Loads the analytics and marketing tags that are on. Sets no cookie of its own and does not load when both categories are off. n/a.
  • _ga, _ga_<container-id>Google Analytics 4. Visits and page views in aggregate on dmand.ai. 2 years.
  • _clck, _clskMicrosoft Clarity. Recordings and heatmaps of how pages are used, with form fields masked. 1 year, 1 day.
  • CLID, MUID, ANONCHK, MR, SMMicrosoft (clarity.ms). Set by Microsoft when Clarity loads, to recognize a browser across sites that use Clarity. Up to 1 year.
  • None (cookieless)Ahrefs Analytics. Page views in aggregate. n/a.
  • ph_<project>_posthogPostHog. Product usage, errors and performance in app.dmand.ai, used to fix bugs and improve features. 365 days.

Marketing

On unless you turn it off, and always off when your browser sends a Global Privacy Control signal. A visitor identification service tells our sales team which companies and people visit.

View cookies (6)
  • _reb2buid, _reb2butkRB2B. Recognizes a returning browser for visitor identification. 360 days, 1 year.
  • _reb2bgeoRB2B. The location used to decide whether a visit can be identified. 20 days.
  • _reb2brefRB2B. The page or site that referred the visit. 15 days.
  • _reb2bfxf, _reb2btd, _reb2bliRB2B. Links the visit to an identified business profile. 1 month.
  • _reb2bresolveRB2B. Holds a match while it is being resolved. 2 days.
  • _reb2sessionID, _reb2bloadedRB2B. The current visit, and a guard against loading the script twice. 30 minutes, 1 second.

Functional

On unless you turn it off. Remembers choices such as a collapsed section.

View cookies (none today)