Doctor profile · Federal record

Dr. Melissa Wu, M.D.

Emergency Medicine Physician (CMS: Emergency Medicine) · Nashua, NH

  • NPI 1235167859
  • Accepts Medicare
  • 34 yrs in practice
  • Female
  • Group practice
  • No sanctions

Practice & contact

NPPES Updated May 11, 2026
Primary practice
8 Prospect Street, Southern New Hampshire Medical Center
Nashua, NH 03061
(603) 577-2273

Credentials & registration

NPPES · NUCC
NPI registered
June 2006 — 20 yrs on file
Profile last updated
July 29, 2011
Year of graduation
1992 — 34 yrs since
Specialty taxonomy
207P00000X — NUCC code
State license (1)
Maryland #D53344
Medicaid
MD #020400500

Federal sanctions & exclusions

OIG LEIE Updated May 11, 2026

No sanctions, exclusions or revocations on file

Checked against OIG LEIE on NPI 1235167859. Last verified May 11, 2026.

Medicare procedures · 2023

Top services delivered

CMS Provider Utilization
Total services
305
Distinct HCPCS
6
Medicare allowed
$25,618
HCPCS Description Services Patients Avg allowed
99213 Established patient office or other outpatient visit, 20-29 minutes 132 125 $86
99214 Established patient office or other outpatient visit, 30-39 minutes 97 94 $124
81002 Urinalysis, manual test 29 28 $3
87428 Detection test by immunoassay technique for severe acute respiratory syndrome coronavirus and influenza 21 21 $30
87880 Detection test by immunoassay with direct visual observation for streptococcus, group a (strep) 14 14 $16
99203 New patient office or other outpatient visit, 30-44 minutes 12 12 $113

In context: peer comparison

Among 11 peers in this city , average services per provider: 78. This provider delivers 3.9× the peer median.

Medicare Part D · 2023

Top prescriptions

CMS Part D Prescriber
Total claims
128
Patients
115
Total drug cost
$922
Drug Type Claims Patients Total cost
Azithromycin Generic 30 30 $180
Cephalexin Generic 27 25 $155
Amoxicillin-Clavulanate Potass (Amoxicillin/Potassium Clav) Brand 25 25 $244
Prednisone Generic 19 19 $59
Doxycycline Hyclate Generic 16 16 $208
Methylprednisolone Generic 11 0 $76

Frequently asked questions

Auto-generated from federal data
What is Dr. Melissa Wu's medical specialty?
Dr. Melissa Wu practices Emergency Medicine Physician in Nashua, NH.
Where does Dr. Melissa Wu practice?
Dr. Melissa Wu practices at 8 Prospect Street, Nashua, NH 03061. Office phone: 6035772273.
What is Dr. Melissa Wu's NPI?
Dr. Melissa Wu's National Provider Identifier (NPI) is 1235167859, 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); Established patient office or other outpatient visit (HCPCS 99214); Urinalysis, manual test (HCPCS 81002). Source: CMS Medicare Physician & Other Practitioners file.