Christopher Kwong, MD
NPI 1538343629 · Internal Medicine Physician · Palo Alto, CA
Enrolled with Medicare as Practitioner - Internal Medicine · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Christopher Kwong, MD is a Internal Medicine Physician provider in Palo Alto, CA (NPI 1538343629).
Provider details
- NPI number
- 1538343629
- Entity type
- Individual
- Primary specialty
- Internal Medicine PhysicianAllopathic & Osteopathic Physicians
- Credential
- MD
- Sex
- Male
- Sole proprietor
- No
- License
- A108990 (CA)
Specialties & taxonomies
Allopathic & Osteopathic Physicians
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure28% of score
18 yrs in NPPES registry
- Profile completeness28% of score
100% of core fields populated
- Practice footprint17% of score
1 documented practice location
- Medicare service volume (vs. specialty peers)28% of score
853 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) |
|---|---|---|
| Annual Wellness Visit, Includes a Personalized Prevention Plan of Service (pps), Subsequent VisitG0439 | 231 | $157 |
| Established Patient Office Or Other Outpatient Visit With Low Level OD Decision Making, If Using Time, 20 Minutes Or More99213 | 155 | $110 |
| Established Patient Office Or Other Outpatient Visit With High Level of Medical Decision Making, If Using Time, 40 Minutes Or More99215 | 155 | $215 |
| Established Patient Office Or Other Outpatient Visit With Moderate Level of Decision Making, If Using Time, 30 Minutes Or More99214 | 127 | $153 |
| Established Patient Office Or Other Outpatient Visit With Straightforward Medical Decision Making, If Using Time, 10 Minutes Or More99212 | 56 | $70 |
| Removal of Impacted Ear Wax By Washing |
What this provider prescribes (Medicare Part D)
Top drugs by Medicare Part D claim volume, 2024 · 75 distinct drugs on file.
| Drug | Part D claims (2024) | Beneficiaries |
|---|---|---|
| Atorvastatin Calcium | 529 | 143 |
| Losartan Potassium | 306 | 80 |
| Amlodipine Besylate | 267 | 77 |
| Levothyroxine Sodium | 150 | 38 |
| Simvastatin | 133 | 38 |
| Tamsulosin Hcl | 126 | 34 |
| Lisinopril | 122 |
Practice location
Mailing address
Registry dates
- Enumerated
- 2007-12-26
- Last updated
- 2020-05-28
- Certified
- 2020-05-28
Frequently asked questions
- What is Christopher Kwong's NPI number?
- Christopher Kwong's National Provider Identifier (NPI) is 1538343629, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Christopher Kwong's specialty?
- Christopher Kwong is listed in the NPPES registry with a primary specialty of Internal Medicine Physician (Allopathic & Osteopathic Physicians).
- Where is Christopher Kwong located?
- Christopher Kwong's practice location on file with NPPES is 795 El Camino Real, Palo Alto, CA 94301-2302.
- What is Christopher Kwong's phone number?
- The practice phone number listed in the NPPES registry for Christopher Kwong is (650) 853-2977.
- Does Christopher Kwong accept Medicare?
- Christopher Kwong is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Christopher Kwong's NPI active?
- Yes — Christopher Kwong's NPI (1538343629) 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.