Melissa Kwon, M.D.
NPI 1770970055 · Internal Medicine Physician · San Francisco, CA
Enrolled with Medicare as Practitioner - Internal Medicine · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Melissa Kwon, M.D. is a Internal Medicine Physician provider in San Francisco, CA (NPI 1770970055).
Provider details
- NPI number
- 1770970055
- Entity type
- Individual
- Primary specialty
- Internal Medicine PhysicianAllopathic & Osteopathic Physicians
- Credential
- M.D.
- Sex
- Female
- Sole proprietor
- No
- License
- A145146 (CA)
Specialties & taxonomies
Allopathic & Osteopathic Physicians
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure25% of score
11 yrs in NPPES registry
- Profile completeness25% of score
100% of core fields populated
- Practice footprint15% of score
4 documented practice locations
- Medicare service volume (vs. specialty peers)25% of score
993 Medicare services, 2024 (ranked within specialty)
- Open Payments transparency10% of score
Has Open Payments disclosures (2024)
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 .
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 | 344 | $153 |
| Visit Complexity Inherent to Evaluation and Management Associated With Medical Care Services That Serve As the Continuing Focal Point for All Needed Health Care Services And/Or With Medical Care Services That Are Part of Ongoing Care Related to a Patient'SG2211 | 344 | $19 |
| Established Patient Office Or Other Outpatient Visit With High Level of Medical Decision Making, If Using Time, 40 Minutes Or More99215 | 112 | $212 |
| Annual Wellness Visit, Includes a Personalized Prevention Plan of Service (pps), Subsequent VisitG0439 | 79 | $155 |
| Established Patient Office Or Other Outpatient Visit With Low Level OD Decision Making, If Using Time, 20 Minutes Or More99213 | 31 | $110 |
What this provider prescribes (Medicare Part D)
Top drugs by Medicare Part D claim volume, 2024 · 55 distinct drugs on file.
| Drug | Part D claims (2024) | Beneficiaries |
|---|---|---|
| Atorvastatin Calcium | 299 | 96 |
| Amlodipine Besylate | 178 | 53 |
| Losartan Potassium | 110 | 34 |
| Lisinopril | 99 | 37 |
| Levothyroxine Sodium | 89 | 24 |
| Gabapentin | 77 | 24 |
| Simvastatin | 68 |
Transparency — industry payments
Based on CMS Open Payments, 2024; not all care is captured.
$21 across 1 record (Open Payments 2024)
Open Payments discloses payments and transfers of value (meals, travel, consulting, research, royalties) from drug and device makers to providers. This is a transparency signal, not a verdict — such payments are legal and common, and their presence is neither an endorsement nor a criticism. Source: CMS Open Payments, program year 2024.
Practice location
Mailing address
Additional practice locations (3)
- 1200 N State StLos Angeles, CA 90033Phone: (323) 226-7556Fax: (323) 226-2657
- 1375 Sutter St Ste 308San Francisco, CA 94109Phone: (415) 600-0140Fax: (415) 600-0145
- 34 Mark West Springs Rd Fl 2Santa Rosa, CA 95403-1766Phone: (707) 541-7900Fax: (707) 573-5413
Registry dates
- Enumerated
- 2015-04-23
- Last updated
- 2023-03-07
- Certified
- 2019-12-11
Frequently asked questions
- What is Melissa Kwon's NPI number?
- Melissa Kwon's National Provider Identifier (NPI) is 1770970055, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Melissa Kwon's specialty?
- Melissa Kwon is listed in the NPPES registry with a primary specialty of Internal Medicine Physician (Allopathic & Osteopathic Physicians).
- Where is Melissa Kwon located?
- Melissa Kwon's practice location on file with NPPES is 1100 Van Ness Ave # Level4, San Francisco, CA 94109-6978.
- What is Melissa Kwon's phone number?
- The practice phone number listed in the NPPES registry for Melissa Kwon is (415) 600-0140.
- Does Melissa Kwon accept Medicare?
- Melissa Kwon is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Melissa Kwon's NPI active?
- Yes — Melissa Kwon's NPI (1770970055) is active in the NPPES registry as of the last update on 2023-03-07.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.