Doctor profile · Federal record
Dr. Henry Chang, D.O.
Internal Medicine Physician (CMS: Internal Medicine) · West Covina, CA
- NPI 1740430289
- Accepts Medicare
- 19 yrs in practice
- Male
- Group practice
- No sanctions
Practice & contact
- Primary practice
-
2707 E Valley Blvd, Suite 208
West Covina, CA 917923195
(626) 581-0486
fax (626) 581-0161
Credentials & registration
- NPI registered
- September 2008 — 18 yrs on file
- Profile last updated
- November 20, 2010
- Year of graduation
- 2007 — 19 yrs since
- Specialty taxonomy
- 207R00000X — NUCC code
- State license (1)
- California #20A10516
Federal sanctions & exclusions
No sanctions, exclusions or revocations on file
Checked against OIG LEIE on NPI 1740430289. Last verified May 11, 2026.Medicare procedures · 2023
Top services delivered
Total services
877
Distinct HCPCS
4
Medicare allowed
$168,144
| HCPCS | Description | Services | Patients | Avg allowed | |
|---|---|---|---|---|---|
99215 |
Established patient office or other outpatient visit, 40-54 minutes | 775 | 165 | $194 | |
G0439 |
Annual wellness visit, includes a personalized prevention plan of service (pps), subsequent visit | 58 | 58 | $140 | |
99205 |
New patient office or other outpatient visit, 60-74 minutes | 29 | 29 | $238 | |
G0438 |
Annual wellness visit; includes a personalized prevention plan of service (pps), initial visit | 15 | 15 | $178 |
In context: peer comparison
Among 9 peers in West Covina Internal Medicine Physician, average services per provider: 176. This provider delivers 5.0× the peer median.Open Payments
Industry payments received
All-time total
$918
Transactions
33
Manufacturers
7
| Payer (manufacturer) | Industry | Txns | Amount |
|---|---|---|---|
| AstraZeneca Pharmaceuticals Lp | 9 | $298.87 | |
| Amgen INC. | 11 | $282.72 | |
| Lilly USA, LLC | 5 | $158.37 | |
| GlaxoSmithKline, LLC. | 3 | $79.82 | |
| Novo Nordisk INC | 3 | $44.14 | |
| Pfizer INC. | 1 | $28.93 | |
| Astellas Pharma US INC | 1 | $24.90 |
By nature of payment
Medicare Part D · 2023
Top prescriptions
Total claims
3,082
Patients
1,131
Total drug cost
$149,536
| Drug | Type | Claims | Patients | Total cost |
|---|---|---|---|---|
| Atorvastatin Calcium | Generic | 607 | 184 | $10,650 |
| Losartan Potassium | Generic | 540 | 161 | $10,255 |
| Metoprolol Succinate | Generic | 326 | 110 | $8,392 |
| Amlodipine Besylate | Generic | 297 | 90 | $3,566 |
| Metformin Hcl | Generic | 273 | 83 | $4,571 |
| Omeprazole | Generic | 135 | 48 | $2,620 |
| Fluticasone Propionate | Generic | 131 | 70 | $2,113 |
| Tamsulosin Hcl | Generic | 130 | 38 | $2,739 |
| Meloxicam | Generic | 121 | 80 | $1,539 |
| Albuterol Sulfate Hfa (Albuterol Sulfate) | Brand | 118 | 80 | $4,142 |
Frequently asked questions
What is Dr. Henry Chang's medical specialty?
Dr. Henry Chang practices Internal Medicine Physician in West Covina, CA.
Where does Dr. Henry Chang practice?
Dr. Henry Chang practices at 2707 E Valley Blvd, West Covina, CA 917923195. Office phone: 6265810486.
What is Dr. Henry Chang's NPI?
Dr. Henry Chang's National Provider Identifier (NPI) is 1740430289, issued by NPPES.
Does Dr. Henry Chang accept Medicare assignment?
Yes. Dr. Henry Chang accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.
What procedures does Dr. Henry Chang commonly perform?
Top Medicare-reported procedures in 2023: Established patient office or other outpatient visit (HCPCS 99215); Annual wellness visit, includes a personalized prevention plan of service (pps), subsequent visit (HCPCS G0439); New patient office or other outpatient visit (HCPCS 99205). Source: CMS Medicare Physician & Other Practitioners file.