Kenneth Chan, M.D.
NPI 1861422370 · Internal Medicine Physician · San Gabriel, CA
Enrolled with Medicare as Practitioner - Internal Medicine · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Kenneth Chan, M.D. is a Internal Medicine Physician provider in San Gabriel, CA (NPI 1861422370).
Provider details
- NPI number
- 1861422370
- Entity type
- Individual
- Primary specialty
- Internal Medicine PhysicianAllopathic & Osteopathic Physicians
- Credential
- M.D.
- Sex
- Male
- Sole proprietor
- No
- License
- G69784 (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
19 yrs in NPPES registry
- Profile completeness25% of score
100% of core fields populated
- Practice footprint15% of score
1 documented practice location
- Medicare service volume (vs. specialty peers)25% of score
456 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 | 254 | $139 |
| Established Patient Office Or Other Outpatient Visit With Low Level OD Decision Making, If Using Time, 20 Minutes Or More99213 | 108 | $99 |
| Annual Depression Screening, 5 to 15 MinutesG0444 | 35 | $21 |
| Annual Wellness Visit, Includes a Personalized Prevention Plan of Service (pps), Subsequent VisitG0439 | 32 | $141 |
| Annual Wellness Visit; Includes a Personalized Prevention Plan of Service (pps), Initial VisitG0438 | 15 | $178 |
| Telephone Medical Discussion With Physician, 21-30 Minutes99443 | 12 |
What this provider prescribes (Medicare Part D)
Top drugs by Medicare Part D claim volume, 2024 · 63 distinct drugs on file.
| Drug | Part D claims (2024) | Beneficiaries |
|---|---|---|
| Losartan Potassium | 343 | 130 |
| Atorvastatin Calcium | 301 | 121 |
| Amlodipine Besylate | 288 | 102 |
| Metformin Hcl | 192 | 75 |
| Nifedipinebrand: Nifedipine Er | 136 | 43 |
| Levothyroxine Sodium | 124 | 41 |
| Glipizide | 107 |
Transparency — industry payments
Based on CMS Open Payments, 2024; not all care is captured.
$886 across 34 records (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
Registry dates
- Enumerated
- 2006-07-03
- Last updated
- 2012-06-12
Frequently asked questions
- What is Kenneth Chan's NPI number?
- Kenneth Chan's National Provider Identifier (NPI) is 1861422370, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Kenneth Chan's specialty?
- Kenneth Chan is listed in the NPPES registry with a primary specialty of Internal Medicine Physician (Allopathic & Osteopathic Physicians).
- Where is Kenneth Chan located?
- Kenneth Chan's practice location on file with NPPES is 207 S Santa Anita Ave, San Gabriel, CA 91776-1146.
- What is Kenneth Chan's phone number?
- The practice phone number listed in the NPPES registry for Kenneth Chan is (626) 943-3229.
- Does Kenneth Chan accept Medicare?
- Kenneth Chan is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Kenneth Chan's NPI active?
- Yes — Kenneth Chan's NPI (1861422370) is active in the NPPES registry as of the last update on 2012-06-12.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.