Doctor profile · Federal record

Dr. Charleen Kim, M.D.

Surgery Physician (CMS: General Surgery) · Walnut Creek, CA

  • NPI 1831378850
  • Accepts Medicare
  • MIPS 85.7 / 100 · 2023
  • 22 yrs in practice
  • Female
  • Group practice
  • No sanctions

Practice & contact

NPPES Updated May 11, 2026
Primary practice
130 la Casa Via, Building 3, Suite 211
Walnut Creek, CA 94598
(925) 933-0984
Mailing address
1450 Treat Blvd # 300
Walnut Creek, CA 945972168

Credentials & registration

NPPES · NUCC
NPI registered
October 2007 — 19 yrs on file
Profile last updated
July 23, 2021
Year of graduation
2004 — 22 yrs since
Specialty taxonomy
208600000X — NUCC code
State license (1)
California #A95969

Federal sanctions & exclusions

OIG LEIE Updated May 11, 2026

No sanctions, exclusions or revocations on file

Checked against OIG LEIE on NPI 1831378850. Last verified May 11, 2026.

Medicare procedures · 2023

Top services delivered

CMS Provider Utilization
Total services
324
Distinct HCPCS
10
Medicare allowed
$56,514
HCPCS Description Services Patients Avg allowed
99214 Established patient office or other outpatient visit, 30-39 minutes 67 55 $152
99204 New patient office or other outpatient visit, 45-59 minutes 45 45 $198
99232 Subsequent hospital care with moderate levelof medical decision making, if using time, at least 35 minutes 43 25 $90
99203 New patient office or other outpatient visit, 30-44 minutes 35 35 $133
99213 Established patient office or other outpatient visit, 20-29 minutes 25 19 $105
99222 Initial hospital care with straightforward or low-level medical decision making, if using time, at least 55 minutes 17 17 $147
38525 Biopsy or removal of deep lymph nodes of underarm 14 14 $261
38900 Imaging of lymph nodes during surgery 14 14 $152
76998 Ultrasonic guidance during surgery 14 14 $66
19301 Partial removal of breast 13 13 $631

In context: peer comparison

Among 12 peers in this city , average services per provider: 42. This provider delivers 7.7× the peer median.

Open Payments

Industry payments received

CMS Open Payments
All-time total
$320
Transactions
3
Manufacturers
2
Payer (manufacturer) Industry Txns Amount
INTUITIVE SURGICAL, INC. 2 $206.99
Davol Inc. 1 $112.53

By nature of payment

Food and Beverage
$320

Medicare Part D · 2023

Top prescriptions

CMS Part D Prescriber
Total claims
28
Patients
28
Total drug cost
$38
Drug Type Claims Patients Total cost
Tramadol Hcl Generic 28 28 $38

Hospital affiliations

CMS Hospital Compare

Frequently asked questions

Auto-generated from federal data
What is Dr. Charleen Kim's medical specialty?
Dr. Charleen Kim practices Surgery Physician in Walnut Creek, CA.
Where does Dr. Charleen Kim practice?
Dr. Charleen Kim practices at 130 la Casa Via, Walnut Creek, CA 94598. Office phone: 9259330984.
What is Dr. Charleen Kim's NPI?
Dr. Charleen Kim's National Provider Identifier (NPI) is 1831378850, issued by NPPES.
Does Dr. Charleen Kim accept Medicare assignment?
Yes. Dr. Charleen Kim accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.
What procedures does Dr. Charleen Kim commonly perform?
Top Medicare-reported procedures in 2023: Established patient office or other outpatient visit (HCPCS 99214); New patient office or other outpatient visit (HCPCS 99204); Subsequent hospital care with moderate levelof medical decision making (HCPCS 99232). Source: CMS Medicare Physician & Other Practitioners file.