Doctor profile · Federal record

Dr. Joan Wu, M.D.

Dermatology Physician (CMS: Dermatology) · Los Angeles, CA

  • NPI 1144345372
  • Accepts Medicare
  • 31 yrs in practice
  • Female
  • Solo practice
  • No sanctions

Practice & contact

NPPES Updated May 11, 2026
Primary practice
100 UCLA Medical Plz, Suite 730
Los Angeles, CA 900246970
(310) 209-1440
fax (310) 209-0070

Credentials & registration

NPPES · NUCC
NPI registered
March 2007 — 19 yrs on file
Profile last updated
July 8, 2007
Year of graduation
1995 — 31 yrs since
Specialty taxonomy
207N00000X — NUCC code
State license (1)
California #A75942

Federal sanctions & exclusions

OIG LEIE Updated May 11, 2026

No sanctions, exclusions or revocations on file

Checked against OIG LEIE on NPI 1144345372. Last verified May 11, 2026.

Medicare procedures · 2023

Top services delivered

CMS Provider Utilization
Total services
1,033
Distinct HCPCS
10
Medicare allowed
$82,004
HCPCS Description Services Patients Avg allowed
99348 Residence visit for established patient with low level of medical decision making, per day, if using time, at least 30 minutes 302 124 $81
17003 Destruction of precancer skin growth, 2-14 growths 198 52 $8
17000 Destruction of precancer skin growth, 1 growth 177 92 $72
99349 Residence visit for established patient with moderate level of medical decision making, per day, if using time, at least 40 minutes 122 69 $135
17110 Destruction of skin growth, 1-14 growths 121 67 $130
99342 Residence visit for new patient with low level of medical decision making, per day, if using time, at least 30 minutes 35 35 $82
99309 Subsequent nursing facility care with moderate level of medical decision making, per day, if using time, at least 30 minutes 26 13 $114
99347 Residence visit for established patient with straightforward medical decision making, per day, if using time, at least 15 minutes 19 16 $47
99344 Residence visit for new patient with moderate level of medical decision making, per day, if using time, at least 60 minutes 17 17 $152
11102 Biopsy of related skin growth, first growth 16 16 $113

In context: peer comparison

Among 38 peers in Los Angeles Dermatology Physician, average services per provider: 159. This provider delivers 6.5× the peer median.

Medicare Part D · 2023

Top prescriptions

CMS Part D Prescriber
Total claims
126
Patients
86
Total drug cost
$3,044
Drug Type Claims Patients Total cost
Triamcinolone Acetonide Generic 25 15 $281
Ketoconazole Generic 23 13 $915
Hydrocortisone Generic 22 13 $240
Fluocinonide Generic 21 15 $1,048
Mupirocin Generic 20 17 $239
Mometasone Furoate Generic 15 13 $319

Frequently asked questions

Auto-generated from federal data
What is Dr. Joan Wu's medical specialty?
Dr. Joan Wu practices Dermatology Physician in Los Angeles, CA.
Where does Dr. Joan Wu practice?
Dr. Joan Wu practices at 100 UCLA Medical Plz, Los Angeles, CA 900246970. Office phone: 3102091440.
What is Dr. Joan Wu's NPI?
Dr. Joan Wu's National Provider Identifier (NPI) is 1144345372, issued by NPPES.
Does Dr. Joan Wu accept Medicare assignment?
Yes. Dr. Joan Wu accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.
What procedures does Dr. Joan Wu commonly perform?
Top Medicare-reported procedures in 2023: Residence visit for established patient with low level of medical decision making (HCPCS 99348); Destruction of precancer skin growth, 2-14 growths (HCPCS 17003); Destruction of precancer skin growth, 1 growth (HCPCS 17000). Source: CMS Medicare Physician & Other Practitioners file.