Doctor profile · Federal record
Dr. Annie Chern, M.D.
Family Medicine Physician (CMS: Family Practice) · San Jose, CA
- NPI 1104051507
- Accepts Medicare
- 19 yrs in practice
- Female
- Solo practice
- No sanctions
Practice & contact
- Primary practice
-
455 Oconnor Dr, Suite 210
San Jose, CA 951281633
(408) 995-5453
Credentials & registration
- NPI registered
- May 2009 — 17 yrs on file
- Profile last updated
- February 3, 2012
- Year of graduation
- 2007 — 19 yrs since
- Specialty taxonomy
- 207Q00000X — NUCC code
- State license (1)
- California #A107270
Federal sanctions & exclusions
No sanctions, exclusions or revocations on file
Checked against OIG LEIE on NPI 1104051507. Last verified May 11, 2026.Medicare procedures · 2023
Top services delivered
Total services
173
Distinct HCPCS
6
Medicare allowed
$21,821
| HCPCS | Description | Services | Patients | Avg allowed | |
|---|---|---|---|---|---|
99214 |
Established patient office or other outpatient visit, 30-39 minutes | 76 | 41 | $154 | |
99231 |
Subsequent hospital care with straightforward or low level of medical decision making, per day, if using time, at least 25 minutes | 29 | 18 | $55 | |
99232 |
Subsequent hospital care with moderate levelof medical decision making, if using time, at least 35 minutes | 29 | 19 | $89 | |
99223 |
Initial hospital care with moderate level of medical decision making, if using time, at least 75 minutes | 15 | 15 | $196 | |
99238 |
Hospital discharge day management, 30 minutes or less | 12 | 12 | $93 | |
G0439 |
Annual wellness visit, includes a personalized prevention plan of service (pps), subsequent visit | 12 | 12 | $156 |
In context: peer comparison
Among 39 peers in this city , average services per provider: 79. This provider delivers 2.2× the peer median.Medicare Part D · 2023
Top prescriptions
Total claims
427
Patients
56
Total drug cost
$12,171
| Drug | Type | Claims | Patients | Total cost |
|---|---|---|---|---|
| Atorvastatin Calcium | Generic | 92 | 31 | $1,322 |
| Amlodipine Besylate | Generic | 74 | 25 | $616 |
| Losartan Potassium | Generic | 32 | 0 | $306 |
| Metformin Hcl | Generic | 28 | 0 | $211 |
| Levothyroxine Sodium | Generic | 26 | 0 | $377 |
| Gabapentin | Generic | 25 | 0 | $573 |
| Lisinopril | Generic | 23 | 0 | $205 |
| Metoprolol Succinate | Generic | 23 | 0 | $375 |
| Omeprazole | Generic | 20 | 0 | $252 |
| Naproxen | Generic | 17 | 0 | $123 |
Hospital affiliations
Frequently asked questions
What is Dr. Annie Chern's medical specialty?
Dr. Annie Chern practices Family Medicine Physician in San Jose, CA.
Where does Dr. Annie Chern practice?
Dr. Annie Chern practices at 455 Oconnor Dr, San Jose, CA 951281633. Office phone: 4089955453.
What is Dr. Annie Chern's NPI?
Dr. Annie Chern's National Provider Identifier (NPI) is 1104051507, issued by NPPES.
Does Dr. Annie Chern accept Medicare assignment?
Yes. Dr. Annie Chern accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.
What procedures does Dr. Annie Chern commonly perform?
Top Medicare-reported procedures in 2023: Established patient office or other outpatient visit (HCPCS 99214); Subsequent hospital care with straightforward or low level of medical decision making (HCPCS 99231); Subsequent hospital care with moderate levelof medical decision making (HCPCS 99232). Source: CMS Medicare Physician & Other Practitioners file.