Doctor profile · Federal record
Dr. Andy Chan, DO
Internal Medicine Physician (CMS: Internal Medicine) · San Diego, CA
- NPI 1104480912
- Accepts Medicare
- 6 yrs in practice
- Male
- Group practice
- No sanctions
Practice & contact
Operates at 2 locations .
- Primary practice
-
4077 Fifth Ave # Mer35
San Diego, CA 921032105
(619) 294-8111 - Additional location
-
4094 4Th Ave
San Diego, CA 921032143
(619) 515-2545
Credentials & registration
- NPI registered
- April 2019 — 7 yrs on file
- Profile last updated
- November 13, 2023
- Year of graduation
- 2020 — 6 yrs since
- Specialty taxonomy
- 207R00000X — NUCC code
- State license (1)
- California #20A20352
Federal sanctions & exclusions
No sanctions, exclusions or revocations on file
Checked against OIG LEIE on NPI 1104480912. Last verified May 11, 2026.Medicare procedures · 2023
Top services delivered
Total services
134
Distinct HCPCS
3
Medicare allowed
$13,092
| HCPCS | Description | Services | Patients | Avg allowed | |
|---|---|---|---|---|---|
99232 |
Subsequent hospital care with moderate levelof medical decision making, if using time, at least 35 minutes | 98 | 31 | $82 | |
99239 |
Hospital discharge day management, more than 30 minutes | 23 | 23 | $119 | |
99223 |
Initial hospital care with moderate level of medical decision making, if using time, at least 75 minutes | 13 | 13 | $179 |
In context: peer comparison
Among 193 peers in this city , average services per provider: 141. This provider delivers 1.0× the peer median.Medicare Part D · 2023
Top prescriptions
Total claims
50
Patients
12
Total drug cost
$1,014
| Drug | Type | Claims | Patients | Total cost |
|---|---|---|---|---|
| Atorvastatin Calcium | Generic | 27 | 12 | $467 |
| Diclofenac Sodium | Generic | 12 | 0 | $422 |
| Amlodipine Besylate | Generic | 11 | 0 | $125 |
Frequently asked questions
What is Dr. Andy Chan's medical specialty?
Dr. Andy Chan practices Internal Medicine Physician in San Diego, CA.
Where does Dr. Andy Chan practice?
Dr. Andy Chan practices at 4077 Fifth Ave # Mer35, San Diego, CA 921032105. Office phone: 6192948111.
What is Dr. Andy Chan's NPI?
Dr. Andy Chan's National Provider Identifier (NPI) is 1104480912, issued by NPPES.
Does Dr. Andy Chan accept Medicare assignment?
Yes. Dr. Andy Chan accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.
What procedures does Dr. Andy 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 99239); Initial hospital care with moderate level of medical decision making (HCPCS 99223). Source: CMS Medicare Physician & Other Practitioners file.