Doctor profile · Federal record
Dr. Johnson Chan, MD
Hospitalist Physician (CMS: Internal Medicine) · San Jose, CA
- NPI 1871679720
- Accepts Medicare
- 32 yrs in practice
- Male
- Group practice
- No sanctions
Practice & contact
- Primary practice
-
260 International Cir
San Jose, CA 951191130
(408) 972-7000 - Mailing address
-
1800 Harrison St Fl 7
Oakland, CA 946123466
Credentials & registration
- NPI registered
- October 2006 — 20 yrs on file
- Profile last updated
- December 22, 2021
- Year of graduation
- 1994 — 32 yrs since
- Specialty taxonomy
- 208M00000X — NUCC code
- State license (1)
- California #A60316
- Medicaid
- CA #00A603160
Federal sanctions & exclusions
No sanctions, exclusions or revocations on file
Checked against OIG LEIE on NPI 1871679720. Last verified May 11, 2026.Medicare procedures · 2023
Top services delivered
Total services
42
Distinct HCPCS
2
Medicare allowed
$3,801
| HCPCS | Description | Services | Patients | Avg allowed | |
|---|---|---|---|---|---|
99232 |
Subsequent hospital care with moderate levelof medical decision making, if using time, at least 35 minutes | 31 | 13 | $90 | |
99238 |
Hospital discharge day management, 30 minutes or less | 11 | 11 | $93 |
In context: peer comparison
Among 12 peers in this city , average services per provider: 145. This provider delivers 0.3× the peer median.Medicare Part D · 2023
Top prescriptions
Total claims
250
Patients
151
Total drug cost
$14,289
| Drug | Type | Claims | Patients | Total cost |
|---|---|---|---|---|
| Metoprolol Tartrate | Generic | 30 | 20 | $301 |
| Hydralazine Hcl | Generic | 22 | 20 | $395 |
| Metoprolol Succinate | Generic | 22 | 18 | $299 |
| Amlodipine Besylate | Generic | 19 | 16 | $235 |
| Prednisone | Generic | 19 | 15 | $200 |
| Pantoprazole Sodium | Generic | 18 | 15 | $234 |
| Combivent Respimat (Ipratropium/Albuterol Sulfate) | Brand | 17 | 13 | $9,634 |
| Furosemide | Generic | 16 | 11 | $189 |
| Atorvastatin Calcium | Generic | 14 | 0 | $356 |
| Humulin N Kwikpen (Insulin Nph Human Isophane) | Brand | 13 | 0 | $1,439 |
Hospital affiliations
Frequently asked questions
What is Dr. Johnson Chan's medical specialty?
Dr. Johnson Chan practices Hospitalist Physician in San Jose, CA.
Where does Dr. Johnson Chan practice?
Dr. Johnson Chan practices at 260 International Cir, San Jose, CA 951191130. Office phone: 4089727000.
What is Dr. Johnson Chan's NPI?
Dr. Johnson Chan's National Provider Identifier (NPI) is 1871679720, issued by NPPES.
Does Dr. Johnson Chan accept Medicare assignment?
Yes. Dr. Johnson Chan accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.
What procedures does Dr. Johnson Chan commonly perform?
Top Medicare-reported procedures in 2023: Subsequent hospital care with moderate levelof medical decision making (HCPCS 99232); Hospital discharge day management (HCPCS 99238). Source: CMS Medicare Physician & Other Practitioners file.