Doctor profile · Federal record
Dr. David Chang, M.D.
Internal Medicine Physician (CMS: Internal Medicine) · San Diego, CA
- NPI 1073596342
- Accepts Medicare
- MIPS 34.2 / 100 · 2023
- 42 yrs in practice
- Male
- Group practice
- No sanctions
Practice & contact
- Primary practice
-
6699 Alvarado RD Ste 2309
San Diego, CA 921205241
(619) 286-8803
fax (619) 286-2344 - Mailing address
-
Po Box 1009
Spring Valley, CA 919791009
Credentials & registration
- NPI registered
- November 2005 — 21 yrs on file
- Profile last updated
- April 17, 2023
- Year of graduation
- 1984 — 42 yrs since
- Specialty taxonomy
- 207R00000X — NUCC code
- State license (1)
- California #A43515
- Medicaid
- CA #00A435150
Federal sanctions & exclusions
No sanctions, exclusions or revocations on file
Checked against OIG LEIE on NPI 1073596342. Last verified May 11, 2026.Medicare procedures · 2023
Top services delivered
Total services
1,740
Distinct HCPCS
10
Medicare allowed
$226,725
| HCPCS | Description | Services | Patients | Avg allowed | |
|---|---|---|---|---|---|
99214 |
Established patient office or other outpatient visit, 30-39 minutes | 660 | 254 | $137 | |
99215 |
Established patient office or other outpatient visit, 40-54 minutes | 230 | 208 | $191 | |
G0009 |
Administration of pneumococcal vaccine | 205 | 200 | $33 | |
90677 |
Pneumococcal conjugate vaccine, 20 valent (pcv20), for intramuscular use | 204 | 199 | $283 | |
G0008 |
Administration of influenza virus vaccine | 117 | 115 | $33 | |
90662 |
Influenza vaccine split virus, preservative free | 106 | 104 | $71 | |
96372 |
Injection of drug or substance under skin or into muscle | 56 | 40 | $15 | |
69210 |
Removal of impacted ear wax | 32 | 30 | $51 | |
J1040 |
Injection, methylprednisolone acetate, 80 mg | 27 | 24 | $12 | |
99205 |
New patient office or other outpatient visit, 60-74 minutes | 21 | 21 | $233 |
In context: peer comparison
Among 193 peers in this city , average services per provider: 141. This provider delivers 12× the peer median.Open Payments
Industry payments received
All-time total
$795
Transactions
35
Manufacturers
15
| Payer (manufacturer) | Industry | Txns | Amount |
|---|---|---|---|
| GlaxoSmithKline, LLC. | 15 | $310.20 | |
| Regeneron Healthcare Solutions, Inc. | 2 | $78.67 | |
| Grifols USA, LLC | 3 | $66.06 | |
| GENZYME CORPORATION | 2 | $43.63 | |
| Insmed, Inc. | 2 | $42.73 | |
| Phadia US Inc. | 2 | $37.87 | |
| Boehringer Ingelheim Pharmaceuticals, Inc. | 1 | $29.44 | |
| Mylan Specialty L.P. | 1 | $27.33 | |
| Octapharma USA, Inc. | 1 | $23.98 | |
| Seqirus USA Inc | 1 | $23.75 | |
| PFIZER INC. | 1 | $22.81 | |
| Novartis Pharmaceuticals Corporation | 1 | $20.97 | |
| Amgen Inc. | 1 | $18.71 | |
| Salix Pharmaceuticals, a division of Bausch Health US, LLC | 1 | $17.35 | |
| AstraZeneca Pharmaceuticals LP | 1 | $16.32 |
By nature of payment
Medicare Part D · 2023
Top prescriptions
Total claims
1,400
Patients
403
Total drug cost
$24,079
| Drug | Type | Claims | Patients | Total cost |
|---|---|---|---|---|
| Levothyroxine Sodium | Generic | 184 | 52 | $3,390 |
| Atorvastatin Calcium | Generic | 152 | 43 | $1,779 |
| Losartan Potassium | Generic | 140 | 38 | $2,705 |
| Amlodipine Besylate | Generic | 127 | 37 | $1,309 |
| Lisinopril | Generic | 113 | 29 | $1,035 |
| Escitalopram Oxalate | Generic | 85 | 24 | $1,644 |
| Pantoprazole Sodium | Generic | 85 | 20 | $1,507 |
| Azithromycin | Generic | 84 | 54 | $431 |
| Simvastatin | Generic | 79 | 18 | $839 |
| Meloxicam | Generic | 72 | 24 | $696 |
Hospital affiliations
Frequently asked questions
What is Dr. David Chang's medical specialty?
Dr. David Chang practices Internal Medicine Physician in San Diego, CA.
Where does Dr. David Chang practice?
Dr. David Chang practices at 6699 Alvarado RD Ste 2309, San Diego, CA 921205241. Office phone: 6192868803.
What is Dr. David Chang's NPI?
Dr. David Chang's National Provider Identifier (NPI) is 1073596342, issued by NPPES.
Does Dr. David Chang accept Medicare assignment?
Yes. Dr. David Chang accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.
What procedures does Dr. David Chang commonly perform?
Top Medicare-reported procedures in 2023: Established patient office or other outpatient visit (HCPCS 99214); Established patient office or other outpatient visit (HCPCS 99215); Administration of pneumococcal vaccine (HCPCS G0009). Source: CMS Medicare Physician & Other Practitioners file.