Wieke Liem, M.D.
NPI 1164452546 · Dermatology Physician · Tustin, CA
Enrolled with Medicare as Practitioner - Dermatology · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Wieke Liem, M.D. is a Dermatology Physician provider in Tustin, CA (NPI 1164452546).
Provider details
- NPI number
- 1164452546
- Entity type
- Individual
- Primary specialty
- Dermatology PhysicianAllopathic & Osteopathic Physicians
- Credential
- M.D.
- Sex
- Female
- Sole proprietor
- No
- License
- G70387 (CA)
Specialties & taxonomies
Allopathic & Osteopathic Physicians
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure25% of score
19 yrs in NPPES registry
- Profile completeness25% of score
100% of core fields populated
- Practice footprint15% of score
1 documented practice location
- Medicare service volume (vs. specialty peers)25% of score
5,828 Medicare services, 2024 (ranked within specialty)
- Open Payments transparency10% of score
Has Open Payments disclosures (2024)
Medicare volume is ranked against active providers in the same specialty. Signals a provider has no public data for (e.g. Medicare claims) are left out of the score entirely — never counted as zero — so providers without that data are not penalized. See the full formula and weights in our .
What this provider does (Medicare)
Based on Medicare fee-for-service claims, 2024; not all care is captured.
| Service (HCPCS) | Medicare services | Typical Medicare-allowed (2024) |
|---|---|---|
| Destruction of Precancer Skin Growth, 2-14 Growths17003 | 3,267 | $8 |
| Established Patient Office Or Other Outpatient Visit With Low Level OD Decision Making, If Using Time, 20 Minutes Or More99213 | 869 | $103 |
| Destruction of Precancer Skin Growth, 1 Growth17000 | 819 | $60 |
| Biopsy of Related Skin Growth, First Growth11102 | 306 | $105 |
| Destruction of Skin Growth, 1-14 Growths17110 | 227 | $134 |
| Destruction of Precancer Skin Growth, 15 Or More Growths17004 |
What this provider prescribes (Medicare Part D)
Top drugs by Medicare Part D claim volume, 2024 · 16 distinct drugs on file.
| Drug | Part D claims (2024) | Beneficiaries |
|---|---|---|
| Minoxidil | 116 | 33 |
| Ketoconazole | 68 | 31 |
| Triamcinolone Acetonide | 62 | 41 |
| Valacyclovir Hclbrand: Valacyclovir | 61 | 32 |
| Doxycycline Hyclate | 55 | 18 |
| Clobetasol Propionate | 49 | 24 |
| Fluorouracil | 36 | 32 |
| Mupirocin | 23 | 16 |
Transparency — industry payments
Based on CMS Open Payments, 2024; not all care is captured.
$3,872 across 110 records (Open Payments 2024)
Open Payments discloses payments and transfers of value (meals, travel, consulting, research, royalties) from drug and device makers to providers. This is a transparency signal, not a verdict — such payments are legal and common, and their presence is neither an endorsement nor a criticism. Source: CMS Open Payments, program year 2024.
Practice location
Mailing address
Registry dates
- Enumerated
- 2006-07-03
- Last updated
- 2023-09-14
- Certified
- 2023-09-14
Frequently asked questions
- What is Wieke Liem's NPI number?
- Wieke Liem's National Provider Identifier (NPI) is 1164452546, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Wieke Liem's specialty?
- Wieke Liem is listed in the NPPES registry with a primary specialty of Dermatology Physician (Allopathic & Osteopathic Physicians).
- Where is Wieke Liem located?
- Wieke Liem's practice location on file with NPPES is 17601 17th St # 10, Tustin, CA 92780-1949.
- What is Wieke Liem's phone number?
- The practice phone number listed in the NPPES registry for Wieke Liem is (714) 790-0005.
- Does Wieke Liem accept Medicare?
- Wieke Liem is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Wieke Liem's NPI active?
- Yes — Wieke Liem's NPI (1164452546) is active in the NPPES registry as of the last update on 2023-09-14.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.