Doctor profile · Federal record

Dr. Melissa Sung, MD

Internal Medicine Physician (CMS: Internal Medicine) · Internal Medicine Physician · Dublin, CA

  • NPI 1467666883
  • Accepts Medicare
  • 21 yrs in practice
  • Licensed in 2 states
  • Female
  • Group practice
  • No sanctions

Practice & contact

Operates at 2 locations .

NPPES Updated May 11, 2026
Primary practice
4050 Dublin Blvd
Dublin, CA 945683112
(925) 875-6100
Additional location
795 El Camino Real
Palo Alto, CA 943012302
(650) 321-4121
Mailing address
325 Distel Cir
Los Altos, CA 940221408

Credentials & registration

NPPES · NUCC
NPI registered
May 2007 — 19 yrs on file
Profile last updated
May 28, 2020
Year of graduation
2005 — 21 yrs since
Specialty taxonomy
207R00000X — NUCC code
State licenses (2)
California #C55881 · New York #247000

Federal sanctions & exclusions

OIG LEIE Updated May 11, 2026

No sanctions, exclusions or revocations on file

Checked against OIG LEIE on NPI 1467666883. Last verified May 11, 2026.

Medicare procedures · 2023

Top services delivered

CMS Provider Utilization
Total services
446
Distinct HCPCS
8
Medicare allowed
$57,801
HCPCS Description Services Patients Avg allowed
99214 Established patient office or other outpatient visit, 30-39 minutes 196 106 $153
99213 Established patient office or other outpatient visit, 20-29 minutes 73 59 $109
G0439 Annual wellness visit, includes a personalized prevention plan of service (pps), subsequent visit 72 72 $157
G0008 Administration of influenza virus vaccine 23 23 $37
G0009 Administration of pneumococcal vaccine 23 23 $35
90694 Influenza vaccine, quadrivalent inactivated, 0.5 ml dosage 22 22 $76
90671 Pneumococcal conjugate vaccine, 15 valent (pcv15), for intramuscular use 20 20 $241
69209 Removal of impacted ear wax by washing 17 16 $21

In context: peer comparison

Among 6 peers in Dublin Internal Medicine Physician, average services per provider: 68. This provider delivers 6.6× the peer median.

Medicare Part D · 2023

Top prescriptions

CMS Part D Prescriber
Total claims
685
Patients
139
Total drug cost
$30,468
Drug Type Claims Patients Total cost
Atorvastatin Calcium Generic 174 53 $2,318
Losartan Potassium Generic 112 26 $1,811
Amlodipine Besylate Generic 92 25 $980
Metoprolol Succinate Generic 54 11 $1,242
Levothyroxine Sodium Generic 48 11 $799
Gabapentin Generic 34 13 $643
Eliquis (Apixaban) Brand 24 0 $19,306
Omeprazole Generic 22 0 $265
Valsartan Generic 22 0 $1,152
Pantoprazole Sodium Generic 20 0 $530

Frequently asked questions

Auto-generated from federal data
What is Dr. Melissa Sung's medical specialty?
Dr. Melissa Sung practices Internal Medicine Physician in Dublin, CA.
Where does Dr. Melissa Sung practice?
Dr. Melissa Sung practices at 4050 Dublin Blvd, Dublin, CA 945683112. Office phone: 9258756100.
What is Dr. Melissa Sung's NPI?
Dr. Melissa Sung's National Provider Identifier (NPI) is 1467666883, issued by NPPES.
Does Dr. Melissa Sung accept Medicare assignment?
Yes. Dr. Melissa Sung accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.
What procedures does Dr. Melissa Sung commonly perform?
Top Medicare-reported procedures in 2023: Established patient office or other outpatient visit (HCPCS 99214); Established patient office or other outpatient visit (HCPCS 99213); Annual wellness visit, includes a personalized prevention plan of service (pps), subsequent visit (HCPCS G0439). Source: CMS Medicare Physician & Other Practitioners file.