Doctor profile · Federal record

Dr. Melissa Wu, M.D.

Internal Medicine Physician (CMS: Internal Medicine) · Los Gatos, CA

  • NPI 1053585331
  • Accepts Medicare
  • 20 yrs in practice
  • Female
  • Solo practice
  • No sanctions

Practice & contact

NPPES Updated May 11, 2026
Primary practice
15215 National Ave, Suite 200
Los Gatos, CA 950322425
(408) 358-1841
fax (408) 358-3562

Credentials & registration

NPPES · NUCC
NPI registered
April 2008 — 18 yrs on file
Profile last updated
October 1, 2011
Year of graduation
2006 — 20 yrs since
Specialty taxonomy
207R00000X — NUCC code
State license (1)
California #A103411

Federal sanctions & exclusions

OIG LEIE Updated May 11, 2026

No sanctions, exclusions or revocations on file

Checked against OIG LEIE on NPI 1053585331. Last verified May 11, 2026.

Medicare procedures · 2023

Top services delivered

CMS Provider Utilization
Total services
994
Distinct HCPCS
10
Medicare allowed
$75,467
HCPCS Description Services Patients Avg allowed
99213 Established patient office or other outpatient visit, 20-29 minutes 445 147 $109
36415 Insertion of needle into vein for collection of blood sample 252 114 $8
93000 Routine electrocardiogram (ecg) using at least 12 leads with interpretation and report 90 87 $18
G0439 Annual wellness visit, includes a personalized prevention plan of service (pps), subsequent visit 66 66 $156
G0008 Administration of influenza virus vaccine 41 41 $37
90662 Influenza vaccine split virus, preservative free 39 39 $72
99203 New patient office or other outpatient visit, 30-44 minutes 14 14 $135
77080 Dxa bone density measurement of hip, pelvis, spine 12 12 $51
90677 Pneumococcal conjugate vaccine, 20 valent (pcv20), for intramuscular use 12 12 $282
G0009 Administration of pneumococcal vaccine 12 12 $37

In context: peer comparison

Among 17 peers in Los Gatos Internal Medicine Physician, average services per provider: 96. This provider delivers 10× the peer median.

Open Payments

Industry payments received

CMS Open Payments
All-time total
$777
Transactions
37
Manufacturers
15
Payer (manufacturer) Industry Txns Amount
Pfizer INC. 10 $184.24
GlaxoSmithKline, LLC. 5 $105.90
ViiV Healthcare Company 3 $66.75
Lilly USA, LLC 3 $59.04
Amgen INC. 2 $58.04
Novo Nordisk INC 2 $53.67
Bayer Healthcare Pharmaceuticals INC. 3 $47.50
Edwards Lifesciences Corporation 1 $41.05
AstraZeneca Pharmaceuticals Lp 2 $35.65
Merck Sharp & Dohme LLC 1 $22.76
Philips North America LLC 1 $21.25
Eisai INC. 1 $21.21
Takeda Pharmaceuticals U.S.A., INC. 1 $17.51
Novartis Pharmaceuticals Corporation 1 $14.66
Seqirus USA INC 1 $14.15

By nature of payment

Food and Beverage
$777

Medicare Part D · 2023

Top prescriptions

CMS Part D Prescriber
Total claims
817
Patients
178
Total drug cost
$14,459
Drug Type Claims Patients Total cost
Atorvastatin Calcium Generic 121 36 $1,552
Levothyroxine Sodium Generic 75 22 $1,421
Lorazepam Generic 75 11 $694
Losartan Potassium Generic 73 21 $1,034
Amlodipine Besylate Generic 71 22 $571
Rosuvastatin Calcium Generic 57 18 $1,329
Hydrochlorothiazide Generic 54 12 $243
Metoprolol Succinate Generic 48 12 $1,314
Lisinopril Generic 45 12 $465
Sertraline Hcl Generic 40 0 $424

Hospital affiliations

CMS Hospital Compare

Frequently asked questions

Auto-generated from federal data
What is Dr. Melissa Wu's medical specialty?
Dr. Melissa Wu practices Internal Medicine Physician in Los Gatos, CA.
Where does Dr. Melissa Wu practice?
Dr. Melissa Wu practices at 15215 National Ave, Los Gatos, CA 950322425. Office phone: 4083581841.
What is Dr. Melissa Wu's NPI?
Dr. Melissa Wu's National Provider Identifier (NPI) is 1053585331, issued by NPPES.
Does Dr. Melissa Wu accept Medicare assignment?
Yes. Dr. Melissa Wu accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.
What procedures does Dr. Melissa Wu commonly perform?
Top Medicare-reported procedures in 2023: Established patient office or other outpatient visit (HCPCS 99213); Insertion of needle into vein for collection of blood sample (HCPCS 36415); Routine electrocardiogram (ecg) using at least 12 leads with interpretation and report (HCPCS 93000). Source: CMS Medicare Physician & Other Practitioners file.