Doctor profile · Federal record
Dr. ALAN CHANG, M.D.
Internal Medicine Physician (CMS: INTERNAL MEDICINE) · ESCONDIDO, CA
- NPI 1699784934
- Accepts Medicare
- MIPS 77.3 / 100 · 2023
- 31 yrs in practice
- Male
- Group practice
- No sanctions
Practice & contact
- Primary practice
-
225 EAST 2ND AVENUE
ESCONDIDO, CA 920254249
(760) 291-6700
fax (760) 745-1588 - Mailing address
-
225 EAST SECOND AVENUE
ESCONDIDO, CA 920254249
Credentials & registration
- NPI registered
- August 2006 — 20 yrs on file
- Profile last updated
- December 12, 2024
- Year of graduation
- 1995 — 31 yrs since
- Specialty taxonomy
- 207R00000X — NUCC code
- State license (1)
- California #G79904
- Medicaid
- CA #00A623420
Federal sanctions & exclusions
No sanctions, exclusions or revocations on file
Checked against OIG LEIE on NPI 1699784934. Last verified May 11, 2026.Medicare procedures · 2023
Top services delivered
Total services
1,364
Distinct HCPCS
10
Medicare allowed
$197,143
| HCPCS | Description | Services | Patients | Avg allowed | |
|---|---|---|---|---|---|
99214 |
Established patient office or other outpatient visit, 30-39 minutes | 422 | 213 | $137 | |
99310 |
Subsequent nursing facility care with high level of medical decision making, per day, if using time, at least 45 minutes | 250 | 66 | $161 | |
99350 |
Residence visit for established patient with high level of medical decision making, per day, if using time, at least 60 minutes | 162 | 29 | $193 | |
99215 |
Established patient office or other outpatient visit, 40-54 minutes | 98 | 71 | $191 | |
99497 |
Advance care planning, first 30 minutes | 90 | 77 | $78 | |
99306 |
Initial nursing facility care with high level of medical decision making, per day, if using time, at least 45 minutes | 83 | 72 | $190 | |
G0439 |
Annual wellness visit, includes a personalized prevention plan of service (pps), subsequent visit | 68 | 68 | $139 | |
99213 |
Established patient office or other outpatient visit, 20-29 minutes | 50 | 48 | $97 | |
G0008 |
Administration of influenza virus vaccine | 35 | 35 | $33 | |
90662 |
Influenza vaccine split virus, preservative free | 32 | 32 | $72 |
In context: peer comparison
Among 13 peers in this city , average services per provider: 107. This provider delivers 13× the peer median.Open Payments
Industry payments received
All-time total
$817
Transactions
37
Manufacturers
15
| Payer (manufacturer) | Industry | Txns | Amount |
|---|---|---|---|
| Janssen Biotech, Inc. | 10 | $199.90 | |
| Amgen Inc. | 4 | $86.74 | |
| GlaxoSmithKline, LLC. | 4 | $84.45 | |
| AstraZeneca Pharmaceuticals LP | 4 | $82.57 | |
| Lilly USA, LLC | 2 | $53.11 | |
| Novo Nordisk Inc | 2 | $45.22 | |
| Boehringer Ingelheim Pharmaceuticals, Inc. | 2 | $43.97 | |
| Actelion Pharmaceuticals US, Inc. | 1 | $32.72 | |
| PFIZER INC. | 2 | $30.73 | |
| Takeda Pharmaceuticals U.S.A., Inc. | 1 | $27.72 | |
| Salix Pharmaceuticals, a division of Bausch Health US, LLC | 1 | $27.26 | |
| Abbott Laboratories | 1 | $23.59 | |
| Exact Sciences Corporation | 1 | $23.07 | |
| Phathom Pharmaceuticals, Inc. | 1 | $20.80 | |
| Xeris Pharmaceuticals, Inc. | 1 | $17.78 |
By nature of payment
Medicare Part D · 2023
Top prescriptions
Total claims
5,325
Patients
1,202
Total drug cost
$330,580
| Drug | Type | Claims | Patients | Total cost |
|---|---|---|---|---|
| Atorvastatin Calcium | Generic | 626 | 161 | $7,700 |
| Levothyroxine Sodium | Generic | 611 | 122 | $9,662 |
| Amlodipine Besylate | Generic | 552 | 138 | $4,158 |
| Eliquis (Apixaban) | Brand | 457 | 64 | $258,886 |
| Rosuvastatin Calcium | Generic | 368 | 82 | $8,104 |
| Lisinopril | Generic | 340 | 89 | $2,624 |
| Pantoprazole Sodium | Generic | 295 | 65 | $3,409 |
| Furosemide | Generic | 291 | 68 | $2,100 |
| Gabapentin | Generic | 283 | 63 | $5,598 |
| Metoprolol Tartrate | Generic | 279 | 67 | $2,803 |