Dr. Charleen Lee Kim, MD

  • Walnut Creek, CA
  • General surgeon
NPI1831378850PAC ID2062559040
Medicare services, 2024
293
Medicare patients, 2024
225
Part D claims, 2024
52
MIPS score, 2024
90
Hospital affiliations
4
Practice address
1479 Ygnacio Valley Rd, Walnut Creek, CA 94598
Practice phone
Call (925) 296-9872
Professional email
Get professional email
Personal email
Get personal email
Mobile number
Get mobile number
Social profiles

Primary practice

John Muir Physician Network

Walnut Creek, California

See all 9 affiliations

Find Dr. Kim'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. Charleen Lee Kim is a general surgeon in Walnut Creek, California

Dr. Kim practices at John Muir Physician Network in Walnut Creek, California.

Dr. Kim's NPI, 1831378850, was assigned on October 25, 2007. Dr. Kim graduated from Saint Louis University School Of Medicine in 2004. Dr. Kim's California license number on file is A95969.

NPI and contact details
Medicare PAC ID
2062559040
NPI enumeration date
October 25, 2007
NPI status
Active
Accepts Medicare assignment
Yes
Offers telehealth
Yes
Practice phone
(925) 296-9872
Professional email
Get email
Personal email
Get email
Mobile number
Get number
Sex
Female
Estimated age
48
Medical school graduation
2004

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

Dr. Charleen Lee Kim practices at John Muir Physician Network in Walnut Creek, California

Dr. Kim's primary practice is John Muir Physician Network, at 1479 Ygnacio Valley Rd, Walnut Creek, CA 94598 in Contra Costa County. The practice phone is (925) 296-9872.

  • John Muir Physician Network
    1479 Ygnacio Valley Rd, Walnut Creek, CA 94598 · Contra Costa CountyPhone(925) 296-9872

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

Dr. Charleen Lee Kim is affiliated with 7 sites of care and 2 medical groups

Dr. Kim's primary practice is John Muir Physician Network in Walnut Creek, California. Dr. Kim is also affiliated with John Muir Medical Center, Walnut Creek. The medical group on file is John Muir Health. Dmand AI also links Dr. Kim to 3 more hospitals, 2 group practices and clinics and 1 medical group, each named with a free account.

See all 9 affiliations for Dr. Kim

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

Dmand AI tracks the EHR system at Dr. Charleen Lee Kim's practice

Dmand AI tracks the electronic health record (EHR) system at each site where Dr. Kim practices, 6 sites in all. Vendor and product names are available with a free account.

EHR by site
SiteEHR vendor and product
John Muir Physician NetworkAvailable with a free account
+6 more sites and 1 medical groupAvailable 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. Kim 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. Charleen Lee Kim is one of 2,926 general surgeons in California

Surgery is Dr. Kim's primary specialty in the NPI Registry, under taxonomy code 208600000X. Dr. Kim is board certified in surgery by the American Board of Surgery. Dr. Kim has a license on file in California.

Specialties and state licenses

  • Surgery, CaliforniaPrimaryLicense A95969 · 2006 to 2025 · taxonomy 208600000X

Clinical focus

Dmand AI lists abdominal hernia repair surgery, acute gallbladder or bile duct inflammation, cancerous skin growth removal, colon removal, gallbladder removal, groin hernia surgery, hemorrhoids and mastectomy among the conditions Dr. Kim treats.

General surgeons near Dr. Kim

Counts of general surgeons 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. Charleen Lee Kim billed Medicare for 293 services in 2024

CMS data shows 293 Medicare services from Dr. Kim across 8 procedure codes in 2024, for 225 Medicare patients. Medicare paid $30,446 for them.

Medicare services, 2024293
Medicare patients225
Paid by Medicare$30,446
Procedure codes8

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

  • 2023
  • 2024
Office and hospital visits
2023: 2322024: 27117%
Imaging
2023: 272024: 1159%
Surgery
2023: 652024: 1183%

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

  • In an office19366%
  • In a facility10034%

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

  • Dr. Kim
  • California median
Medicare services
293vs 16677% above
Medicare patients
225vs 12186% above
Part D claims
38vs 3412% above

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

Dr. Kim'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. Kim

Need commercial claims for Dr. Kim?

Medicare shows one payer. Book a meeting to get commercial claims data for Dr. Kim 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. Charleen Lee Kim treated 225 Medicare patients in 2024, average age 75

CMS counts 225 Medicare patients who saw Dr. Kim in 2024. The largest group is 65 to 74, with 99 patients. 75% of them have high cholesterol, and 71% have high blood pressure. 13% are also on Medicaid. Their average risk score is 1.78, 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. Kim's median patient age at 63, with 76% women.

Medicare patients, 2024225
Average age75
Average risk score1.78
Also on Medicaid13%

Dr. Kim's Medicare patients by age, 2024

Dr. Kim's Medicare patients by sex, 2024

  • Women14163%
  • Men8437%

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

  1. High cholesterol75%
  2. High blood pressure71%
  3. Arthritis44%
  4. Cancer40%
  5. Diabetes31%
  6. Chronic kidney disease30%
  7. Ischemic heart disease26%
  8. Osteoporosis25%

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

Dr. Kim's patients across all payers

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

Patient panel by age, all payers

Median age 63

Patient panel by sex, all payers

  • Women76%
  • Men21%

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

Dr. Charleen Lee Kim wrote 52 Medicare Part D claims in 2024

In 2024, Dr. Kim wrote 52 Medicare Part D claims for 46 patients. 100% of them were for generic drugs. CMS names the drug for 38 of them, across 1 drug with 11 or more claims each, at $78 in total drug cost. In 2023, CMS named 28 claims across 1 drug.

Part D claims, 202452
Drugs named by CMS1
Total drug cost$78
Part D patients46

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

  • Opioids81%42 of 52 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: 282024: 3836%

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

See all prescribing by Dr. Kim

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. Charleen Lee Kim scored 90 out of 100 in Medicare's MIPS program for 2024

CMS publishes a Merit-based Incentive Payment System (MIPS) score of 90 out of 100 for Dr. Kim for performance year 2024, reported as part of a group. Dr. Kim accepts Medicare assignment, so Medicare's approved amount is taken as full payment. CMS lists Dr. Kim as offering telehealth. CMS counts 37 procedures of mastectomy by Dr. Kim, more than 90% of the clinicians it reports for that procedure.

Accepts Medicare assignment
Yes
Offers telehealth
Yes

Dr. Kim's MIPS scores, performance year 2024

  • 90of 100Final score
  • 89.5of 100Quality
  • 100of 100Promoting Interoperability
  • 40of 100Improvement Activities
  • 74of 100Cost

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

Where Dr. Kim ranks in Medicare procedure volume

Mastectomy
90th percentile37 procedures
Hernia repair (minimally invasive)
86th percentile18 procedures
Melanoma (skin cancer) excision
70th percentile15 procedures

CMS ranks each clinician against every clinician it reports for the same procedure category.

Removal of skin lesions: 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)

Removal or shaving of skin growth: 1 to 10 procedures (CMS shows small counts as a range)

Skin biopsy: 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. Kim 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. Charleen Lee Kim received $12,266 in industry payments from 2016 to 2025

CMS Open Payments shows 59 general payments to Dr. Kim from 13 drug and device companies from 2016 to 2025. Education make up the largest share, 41% of the total. Intuitive Surgical, Inc. paid the most, $11,132.

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

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

$12.3Kin total
  • Education$5,04341%
  • Food and beverage$2,67322%
  • Speaker and faculty fees$2,40020%
  • Travel and lodging$2,14918%

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

Share is of all general payments to this clinician.

See all payments to Dr. Kim

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

Dr. Charleen Lee Kim graduated from Saint Louis University School Of Medicine

Dr. Kim graduated from Saint Louis University School Of Medicine in 2004.

  1. Medical schoolSaint Louis University School Of Medicine
  2. Board certified in surgeryAmerican Board of Surgery

Source: Dmand AI Professional Profile Data

Dr. Charleen Lee Kim accepts plans from 13 insurance carriers

Dr. Kim is in network with 13 carriers, including Aetna, United Healthcare and Blue Cross Blue Shield of Michigan. Medicare plans come from the most carriers, 7. Check the plan with the practice before a visit.

  • Aetna
  • United Healthcare
  • Blue Cross Blue Shield of Michigan
  • HCSC
  • Blue Cross Blue Shield of Massachusetts
  • Elevance
  • Humana
  • Alliant Health Plans
  • +5 more carriersWith a free account

Plan types Dr. Kim accepts, by number of carriers

  1. Medicare7
  2. PPO7
  3. HMO6
  4. EPO4
  5. POS3

Source: Dmand AI Insurance Network Data

Sources for Dr. Charleen Lee Kim'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 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. Charleen Lee Kim

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. Charleen Lee Kim's NPI number?

Dr. Charleen Lee Kim's NPI number is 1831378850. It was assigned on October 25, 2007, and it is active in the NPI Registry.

What kind of doctor is Dr. Charleen Lee Kim?

Dr. Charleen Lee Kim is a general surgeon in Walnut Creek, California. The primary specialty in the NPI Registry is Surgery Physician (taxonomy code 208600000X).

Where does Dr. Charleen Lee Kim practice?

Dr. Kim practices at 1479 Ygnacio Valley Rd, Walnut Creek, CA 94598. Dr. Kim's primary practice is John Muir Physician Network in Walnut Creek, California. Dmand AI also links Dr. Kim to 3 hospitals, 2 group practices and clinics and 1 medical group.

What is Dr. Charleen Lee Kim's office phone number?

The practice phone on file for Dr. Kim is (925) 296-9872.

What is Dr. Charleen Lee Kim's medical license number?

Dr. Kim's California license number on file is A95969.

Which hospitals is Dr. Charleen Lee Kim affiliated with?

Dr. Kim is affiliated with John Muir Medical Center, Walnut Creek. Dmand AI links Dr. Kim to 3 more hospitals.

What medical group is Dr. Charleen Lee Kim part of?

Dr. Kim is linked to John Muir Health. Dmand AI links Dr. Kim to 1 more medical group.

Does Dr. Charleen Lee Kim accept Medicare?

Yes. CMS data shows Dr. Kim billed Medicare for 293 services in 2024, and Dr. Kim accepts Medicare assignment.

Does Dr. Charleen Lee Kim offer telehealth?

Yes. The CMS Doctors and Clinicians file lists Dr. Kim as offering telehealth services.

What is Dr. Charleen Lee Kim's MIPS score?

Dr. Kim's MIPS final score for performance year 2024 is 90 out of 100, reported as part of a group.

Show 8 more questionsShow fewer questions

How many Medicare patients does Dr. Charleen Lee Kim see?

CMS counts 225 Medicare patients who saw Dr. Kim in 2024, with an average age of 75.

Is Dr. Charleen Lee Kim board certified?

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

What services does Dr. Charleen Lee Kim bill to Medicare?

In 2024, Dr. Kim's most billed Medicare services were office visit, established patient (99214), hospital inpatient care (99232) and office visit, established patient (99213).

Where did Dr. Charleen Lee Kim go to medical school?

Dr. Kim graduated from Saint Louis University School Of Medicine in 2004.

What drugs does Dr. Charleen Lee Kim prescribe most?

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

Has Dr. Charleen Lee Kim received payments from drug or device companies?

CMS Open Payments shows $12,266 in general payments to Dr. Kim from 13 companies from 2016 to 2025. The largest total came from Intuitive Surgical, Inc.

How long has Dr. Charleen Lee Kim been practicing?

Dr. Kim graduated from medical school in 2004, 22 years ago.

What insurance does Dr. Charleen Lee Kim accept?

Dr. Kim is in network with 13 carriers, including Aetna, United Healthcare and Blue Cross Blue Shield of Michigan. Medicare 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)