Doctor profile · Federal record

Dr. Karen Nishimura, MD

Dermatology Physician · Roseville, CA

  • NPI 1730284878
  • 20 yrs on file
  • Female
  • Group practice
  • No sanctions

Practice & contact

NPPES Updated May 11, 2026
Primary practice
3 Medical Plaza Dr, #230
Roseville, CA 956613087
(916) 797-4766
fax (916) 797-4767
Mailing address
10470 Old Placerville RD, Suite 100
Sacramento, CA 958272539

Credentials & registration

NPPES · NUCC
NPI registered
September 2006 — 20 yrs on file
Profile last updated
June 8, 2015
Specialty taxonomy
207N00000X — NUCC code
State license (1)
California #A60747
Medicaid
CA #00A607470

Federal sanctions & exclusions

OIG LEIE Updated May 11, 2026

No sanctions, exclusions or revocations on file

Checked against OIG LEIE on NPI 1730284878. Last verified May 11, 2026.

Medicare procedures · 2023

Top services delivered

CMS Provider Utilization
Total services
3,143
Distinct HCPCS
10
Medicare allowed
$185,224
HCPCS Description Services Patients Avg allowed
17003 Destruction of precancer skin growth, 2-14 growths 1,408 182 $7
99213 Established patient office or other outpatient visit, 20-29 minutes 417 336 $96
99214 Established patient office or other outpatient visit, 30-39 minutes 284 211 $135
17000 Destruction of precancer skin growth, 1 growth 265 219 $53
11102 Biopsy of related skin growth, first growth 256 219 $107
11103 Biopsy of related skin growth, each additional growth 188 101 $56
17110 Destruction of skin growth, 1-14 growths 97 92 $124
99212 Established patient office or other outpatient visit, 10-19 minutes 62 57 $61
11104 Punch biopsy, first skin growth 40 36 $139
17262 Destruction of cancer skin growth of trunk, arms, or legs, 1.1-2.0 cm 36 27 $147

In context: peer comparison

Among 8 peers in this city , average services per provider: 410. This provider delivers 7.7× the peer median.

Open Payments

Industry payments received

CMS Open Payments
All-time total
$43
Transactions
1
Manufacturers
1
Payer (manufacturer) Industry Txns Amount
Galderma Laboratories, L.P. 1 $42.67

By nature of payment

Food and Beverage
$43

Medicare Part D · 2023

Top prescriptions

CMS Part D Prescriber
Total claims
649
Patients
415
Total drug cost
$25,257
Drug Type Claims Patients Total cost
Triamcinolone Acetonide Generic 143 92 $1,954
Fluorouracil Generic 77 66 $7,621
Hydrocortisone Generic 52 37 $319
Fluocinonide Generic 48 21 $3,258
Clobetasol Propionate Generic 46 22 $2,882
Mupirocin Generic 44 36 $449
Betamethasone Diprop Augmented (Betamethasone/Propylene Glyc) Brand 43 32 $1,133
Betamethasone Valerate Generic 31 14 $1,244
Metronidazole Generic 28 15 $2,644
Cephalexin Generic 26 25 $234

Frequently asked questions

Auto-generated from federal data
What is Dr. Karen Nishimura's medical specialty?
Dr. Karen Nishimura practices Dermatology Physician in Roseville, CA.
Where does Dr. Karen Nishimura practice?
Dr. Karen Nishimura practices at 3 Medical Plaza Dr, Roseville, CA 956613087. Office phone: 9167974766.
What is Dr. Karen Nishimura's NPI?
Dr. Karen Nishimura's National Provider Identifier (NPI) is 1730284878, issued by NPPES.
What procedures does Dr. Karen Nishimura commonly perform?
Top Medicare-reported procedures in 2023: Destruction of precancer skin growth, 2-14 growths (HCPCS 17003); Established patient office or other outpatient visit (HCPCS 99213); Established patient office or other outpatient visit (HCPCS 99214). Source: CMS Medicare Physician & Other Practitioners file.