Melissa Sung, MD
NPI 1467666883 · Internal Medicine Physician · Dublin, CA
Enrolled with Medicare as Practitioner - Internal Medicine · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Melissa Sung, MD is a Internal Medicine Physician provider in Dublin, CA (NPI 1467666883).
Provider details
- NPI number
- 1467666883
- Entity type
- Individual
- Primary specialty
- Internal Medicine PhysicianAllopathic & Osteopathic Physicians
- Credential
- MD
- Sex
- Female
- Sole proprietor
- No
- License
- 247000 (NY)
Specialties & taxonomies
Allopathic & Osteopathic Physicians
Allopathic & Osteopathic Physicians
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure28% of score
19 yrs in NPPES registry
- Profile completeness28% of score
100% of core fields populated
- Practice footprint17% of score
2 documented practice locations
- Medicare service volume (vs. specialty peers)28% of score
379 Medicare services, 2024 (ranked within specialty)
Medicare volume is ranked against active providers in the same specialty. Signals a provider has no public data for (e.g. Medicare claims) are left out of the score entirely — never counted as zero — so providers without that data are not penalized. See the full formula and weights in our methodology.
What this provider does (Medicare)
Based on Medicare fee-for-service claims, 2024; not all care is captured.
| Service (HCPCS) | Medicare services | Typical Medicare-allowed (2024) |
|---|---|---|
| Established Patient Office Or Other Outpatient Visit With Moderate Level of Decision Making, If Using Time, 30 Minutes Or More99214 | 205 | $153 |
| Annual Wellness Visit, Includes a Personalized Prevention Plan of Service (pps), Subsequent VisitG0439 | 83 | $156 |
| Established Patient Office Or Other Outpatient Visit With Low Level OD Decision Making, If Using Time, 20 Minutes Or More99213 | 65 | $110 |
| Administration of Influenza Virus VaccineG0008 | 13 | $39 |
| Administration of Pneumococcal VaccineG0009 | 13 | $36 |
Typical Medicare-allowed amounts for these services range $36–$156 (2024). The Medicare-allowed amount is what Medicare recognizes for a service under fee-for-service — a reference figure for 2024, not a price quote and not what you would be billed. Medicare Part B covers roughly an eighth of all NPIs (65+ skew); services with fewer than 11 beneficiaries are suppressed by CMS. Source: CMS Medicare Physician & Other Practitioners, by Provider & Service.
What this provider prescribes (Medicare Part D)
Top drugs by Medicare Part D claim volume, 2024 · 32 distinct drugs on file.
| Drug | Part D claims (2024) | Beneficiaries |
|---|---|---|
| Atorvastatin Calcium | 192 | 60 |
| Losartan Potassium | 116 | 31 |
| Amlodipine Besylate | 81 | 22 |
| Levothyroxine Sodium | 40 | 11 |
| Gabapentin | 37 | 13 |
| Metoprolol Succinate | 32 | — |
| Valsartan | 26 |
Practice location
Mailing address
Additional practice locations (1)
- 795 El Camino RealPalo Alto, CA 94301-2302Phone: (650) 321-4121
Registry dates
- Enumerated
- 2007-05-09
- Last updated
- 2020-05-28
- Certified
- 2020-05-28
Frequently asked questions
- What is Melissa Sung's NPI number?
- Melissa Sung's National Provider Identifier (NPI) is 1467666883, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Melissa Sung's specialty?
- Melissa Sung is listed in the NPPES registry with a primary specialty of Internal Medicine Physician (Allopathic & Osteopathic Physicians).
- Where is Melissa Sung located?
- Melissa Sung's practice location on file with NPPES is 4050 Dublin Blvd, Dublin, CA 94568-3112.
- What is Melissa Sung's phone number?
- The practice phone number listed in the NPPES registry for Melissa Sung is (925) 875-6100.
- Does Melissa Sung accept Medicare?
- Melissa Sung is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Melissa Sung's NPI active?
- Yes — Melissa Sung's NPI (1467666883) is active in the NPPES registry as of the last update on 2020-05-28.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.