Jan Kwong, MD
NPI 1861544090 · Internal Medicine Physician · Santa Clara, CA
Enrolled with Medicare as Practitioner - Family Practice · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Jan Kwong, MD is a Internal Medicine Physician provider in Santa Clara, CA (NPI 1861544090).
Provider details
- NPI number
- 1861544090
- Entity type
- Individual
- Primary specialty
- Internal Medicine PhysicianAllopathic & Osteopathic Physicians
- Credential
- MD
- Sex
- Female
- Sole proprietor
- No
- License
- A88218 (CA)
Specialties & taxonomies
Allopathic & Osteopathic Physicians
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure38% of score
19 yrs in NPPES registry
- Profile completeness38% of score
100% of core fields populated
- Practice footprint23% of score
1 documented practice location
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 prescribes (Medicare Part D)
Top drugs by Medicare Part D claim volume, 2024 · 58 distinct drugs on file.
| Drug | Part D claims (2024) | Beneficiaries |
|---|---|---|
| Atorvastatin Calcium | 174 | 65 |
| Amlodipine Besylate | 169 | 55 |
| Losartan Potassium | 139 | 48 |
| Levothyroxine Sodium | 129 | 42 |
| Atenolol | 124 | 39 |
| Simvastatin | 118 | 41 |
| Lisinopril | 88 | 33 |
Practice location
Mailing address
Registry dates
- Enumerated
- 2007-01-17
- Last updated
- 2021-12-13
Frequently asked questions
- What is Jan Kwong's NPI number?
- Jan Kwong's National Provider Identifier (NPI) is 1861544090, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Jan Kwong's specialty?
- Jan Kwong is listed in the NPPES registry with a primary specialty of Internal Medicine Physician (Allopathic & Osteopathic Physicians).
- Where is Jan Kwong located?
- Jan Kwong's practice location on file with NPPES is 710 Lawrence Expy, Santa Clara, CA 95051-5173.
- What is Jan Kwong's phone number?
- The practice phone number listed in the NPPES registry for Jan Kwong is (408) 851-1000.
- Does Jan Kwong accept Medicare?
- Jan Kwong is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Jan Kwong's NPI active?
- Yes — Jan Kwong's NPI (1861544090) is active in the NPPES registry as of the last update on 2021-12-13.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.