What is Wieke Liem's specialty?

Wieke Liem (NPI 1164452546) is a Medicare-billing provider whose primary specialty is Dermatology in Tustin, CA.

Where does Wieke Liem practice?

Wieke Liem practices in Tustin, CA, based on the location reported in the CMS Medicare provider datasets for NPI 1164452546.

How much does Medicare pay Wieke Liem?

Wieke Liem (NPI 1164452546) received approximately $205K in total Medicare Part B payments, serving 669 beneficiaries, per the CMS Medicare Physician & Other Practitioners dataset.

PROVIDER PROFILE · NPI 1164452546

Wieke LiemM.D.

DermatologyTustin, CAI

MEDICARE UTILIZATION · PART B · 2024

Total beneficiaries

2,353

Unique beneficiaries

—

Total services

5,828

Distinct HCPCS

Medicare payment

$190K

Peer benchmark

Total Medicare services vs. 1,546 Dermatology providers in CA — top quintile (cohort median 2,504).

PRESCRIBING · PART D · 2024

Total Rx claims

591

Beneficiaries

—

Total drug cost

$172K

Distinct drugs

Brand share

15.6%

Top prescribed drugs

Minoxidil116 claims

Ketoconazole68 claims

Triamcinolone Acetonide62 claims

Valacyclovir Hcl61 claims

Doxycycline Hyclate55 claims

QUALITY · MIPS · 2024

Final MIPS score

100.0

Quality

100.0

Cost

0.0

Improvement activities

40.0

Promoting interop.

0.0

Payment adjustment

1.05%

Individual

INDUSTRY PAYMENTS · OPEN PAYMENTS · 2025

Total received

$3K

Payment records

By payment type

Food and Beverage$3K

Education$100

Top paying entities

Food and Beverage$3K

Education$100

REFERRAL NETWORK

Where Wieke Liem's patients come from & go

Directional shared-patient flow from Medicare claims — who sends patients to this provider (inbound) and where this provider's patients go next (outbound). 4 inbound referrers · 14 outbound destinations.

Receives referrals from

Inbound — who sends patients here

Physician	Patients	Visits
HARRIS HISTOLOGY SERVICES	95	142
Unilab Corporation Clinical Laboratory · West Hills, CA	72	148
SILVERBERG, NANCY	16	30
DEBIN, SUSAN	11	27

Refers patients to

Outbound — where patients go next

Physician	Patients	Visits
Steven Stanowicz Dermatology · Orange, CA	93	147
Unilab Corporation Clinical Laboratory · West Hills, CA	72	124
HOAG MEMORIAL HOSPITAL PRESBYTERIAN	41	77
Laboratory Corporation Of America Clinical Laboratory · San Diego, CA	38	55
CALIFORNIA LABORATORY SCIENCES LLC	31	55
ST. JOSEPH HOSPITAL OF ORANGE	31	52
UNIVERSITY OF CALIFORNIA IRVINE	27	64
SILVERBERG, NANCY	26	49
Kenneth Cantos Pathology · Laguna Beach, CA	15	18
Joseph Hillman Pathology · Laguna Beach, CA	13	15
Raelynn Tucker Pathology · Laguna Beach, CA	13	16
UNIVERSITY OF SOUTHERN CALIFORNIA	12	17

Source: CMS Physician Shared Patient Patterns (30-day window, Medicare FFS). Direction = a beneficiary seen by the first provider, then the second, within 30 days; a proxy for referral, not a documented referral. Pairs with fewer than 11 shared beneficiaries are suppressed.

CROSS-REFERENCE

Related data on other Healthparse brands

ProviderScore

OIG/SAM exclusion screening, sanctions history

Healthparse Signals

Monitor this provider for changes — dated NPI change events