Doctor profile · Federal record

Dr. Wieke Liem, M.D.

Dermatology Physician (CMS: Dermatology) · Tustin, CA

  • NPI 1164452546
  • Accepts Medicare
  • MIPS 77.9 / 100 · 2023
  • 37 yrs in practice
  • Female
  • Group practice
  • No sanctions

Practice & contact

NPPES Updated May 11, 2026
Primary practice
17601 17Th St # 10
Tustin, CA 927801949
(714) 790-0005
fax (714) 699-2444
Mailing address
17601 17Th St # 110
Tustin, CA 927801949

Credentials & registration

NPPES · NUCC
NPI registered
July 2006 — 20 yrs on file
Profile last updated
September 14, 2023
Year of graduation
1989 — 37 yrs since
Specialty taxonomy
207N00000X — NUCC code
State license (1)
California #G70387
Medicaid
CA #00G730871

Federal sanctions & exclusions

OIG LEIE Updated May 11, 2026

No sanctions, exclusions or revocations on file

Checked against OIG LEIE on NPI 1164452546. Last verified May 11, 2026.

Medicare procedures · 2023

Top services delivered

CMS Provider Utilization
Total services
7,118
Distinct HCPCS
10
Medicare allowed
$322,091
HCPCS Description Services Patients Avg allowed
17003 Destruction of precancer skin growth, 2-14 growths 3,991 541 $8
99213 Established patient office or other outpatient visit, 20-29 minutes 1,063 690 $98
17000 Destruction of precancer skin growth, 1 growth 919 603 $56
11102 Biopsy of related skin growth, first growth 426 339 $102
17110 Destruction of skin growth, 1-14 growths 261 214 $128
17004 Destruction of precancer skin growth, 15 or more growths 120 81 $192
11103 Biopsy of related skin growth, each additional growth 105 84 $57
99212 Established patient office or other outpatient visit, 10-19 minutes 66 59 $62
99214 Established patient office or other outpatient visit, 30-39 minutes 47 41 $139
99203 New patient office or other outpatient visit, 30-44 minutes 39 39 $122

In context: peer comparison

Among 1 peers in Tustin Dermatology Physician, average services per provider: 474. This provider delivers 15× the peer median.

Open Payments

Industry payments received

CMS Open Payments
All-time total
$3,872
Transactions
107
Manufacturers
15
Payer (manufacturer) Industry Txns Amount
Abbvie INC. 27 $1,206.38
Janssen Biotech, INC. 5 $462.86
Ucb, INC. 10 $401.29
Leo Pharma INC. 8 $246.15
Lilly USA, LLC 5 $222.39
E.R. Squibb & Sons, L.L.C. 11 $204.30
Genzyme Corporation 5 $204.00
Amgen INC. 9 $200.67
Incyte Corporation 10 $189.08
Pfizer INC. 2 $129.22
Dermavant Sciences, INC. 6 $113.53
Novartis Pharmaceuticals Corporation 3 $72.28
Boehringer Ingelheim Pharmaceuticals, INC. 2 $56.65
Regeneron Healthcare Solutions, INC. 2 $54.98
Galderma Laboratories, L.P. 2 $47.62

By nature of payment

Food and Beverage
$3,662
Education
$194
Compensation for Services Other Than Consulting, Including Serving As Faculty or As A Speaker at A Venue Other Than A Continuing Education Program
$12
Travel and Lodging
$3

Medicare Part D · 2023

Top prescriptions

CMS Part D Prescriber
Total claims
505
Patients
292
Total drug cost
$76,851
Drug Type Claims Patients Total cost
Triamcinolone Acetonide Generic 65 44 $805
Ketoconazole Generic 58 32 $1,155
Fluorouracil Generic 55 47 $4,869
Valacyclovir (Valacyclovir Hcl) Brand 48 30 $1,833
Clobetasol Propionate Generic 47 26 $3,069
Doxycycline Hyclate Generic 44 18 $1,637
Minoxidil Generic 40 14 $361
Metronidazole Generic 34 20 $1,837
Mupirocin Generic 28 21 $226
Imiquimod Generic 22 16 $805

Frequently asked questions

Auto-generated from federal data
What is Dr. Wieke Liem's medical specialty?
Dr. Wieke Liem practices Dermatology Physician in Tustin, CA.
Where does Dr. Wieke Liem practice?
Dr. Wieke Liem practices at 17601 17Th St # 10, Tustin, CA 927801949. Office phone: 7147900005.
What is Dr. Wieke Liem's NPI?
Dr. Wieke Liem's National Provider Identifier (NPI) is 1164452546, issued by NPPES.
Does Dr. Wieke Liem accept Medicare assignment?
Yes. Dr. Wieke Liem accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.
What procedures does Dr. Wieke Liem 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); Destruction of precancer skin growth, 1 growth (HCPCS 17000). Source: CMS Medicare Physician & Other Practitioners file.