Doctor profile · Federal record
Dr. Paul Chang, M.D.
Internal Medicine Physician (CMS: Internal Medicine) · Buena Park, CA
- NPI 1487627261
- Accepts Medicare
- 34 yrs in practice
- Male
- Group practice
- No sanctions
Practice & contact
- Primary practice
-
5832 Beach Blvd Unit 214
Buena Park, CA 906215501
(714) 523-7575
fax (714) 523-7585 - Mailing address
-
2654 W la Palma Ave
Anaheim, CA 928012601
Credentials & registration
- NPI registered
- February 2006 — 20 yrs on file
- Profile last updated
- February 12, 2020
- Year of graduation
- 1992 — 34 yrs since
- Specialty taxonomy
- 207R00000X — NUCC code
- State license (1)
- California #G077288
- Medicaid
- CA #00G772880
Federal sanctions & exclusions
No sanctions, exclusions or revocations on file
Checked against OIG LEIE on NPI 1487627261. Last verified May 11, 2026.Medicare procedures · 2023
Top services delivered
Total services
2,964
Distinct HCPCS
10
Medicare allowed
$229,480
| HCPCS | Description | Services | Patients | Avg allowed | |
|---|---|---|---|---|---|
99213 |
Established patient office or other outpatient visit, 20-29 minutes | 1,062 | 376 | $98 | |
G0439 |
Annual wellness visit, includes a personalized prevention plan of service (pps), subsequent visit | 285 | 285 | $140 | |
99457 |
Management using the results of remote vital sign monitoring per calendar month, first 20 minutes | 182 | 26 | $53 | |
G0008 |
Administration of influenza virus vaccine | 173 | 172 | $29 | |
99458 |
Management using the results of remote vital sign monitoring per calendar month, each additional 20 minutes | 165 | 17 | $43 | |
99454 |
Remote monitoring of physiologic parameters, initial supply of devices with daily recordings or programmed alerts transmission, each 30 days | 129 | 24 | $58 | |
90694 |
Influenza vaccine, quadrivalent inactivated, 0.5 ml dosage | 126 | 126 | $76 | |
20610 |
Aspiration and/or injection of fluid from large joint | 120 | 17 | $71 | |
J7321 |
Hyaluronan or derivative, hyalgan, supartz or visco-3, for intra-articular injection, per dose | 120 | 17 | $73 | |
99212 |
Established patient office or other outpatient visit, 10-19 minutes | 113 | 74 | $62 |
In context: peer comparison
Among 6 peers in this city , average services per provider: 115. This provider delivers 26× the peer median.Open Payments
Industry payments received
All-time total
$2,574
Transactions
99
Manufacturers
15
| Payer (manufacturer) | Industry | Txns | Amount |
|---|---|---|---|
| Boehringer Ingelheim Pharmaceuticals, Inc. | 11 | $284.14 | |
| ABBVIE INC. | 10 | $244.47 | |
| Amgen Inc. | 17 | $195.95 | |
| AstraZeneca Pharmaceuticals LP | 9 | $179.04 | |
| Novo Nordisk Inc | 11 | $165.68 | |
| Ardelyx, Inc. | 7 | $158.31 | |
| Astellas Pharma US Inc | 5 | $148.61 | |
| Radius Health, Inc. | 4 | $108.99 | |
| IRONWOOD PHARMACEUTICALS, INC | 4 | $106.89 | |
| Novartis Pharmaceuticals Corporation | 4 | $95.95 | |
| Lilly USA, LLC | 4 | $93.71 | |
| GlaxoSmithKline, LLC. | 4 | $93.15 | |
| IDORSIA PHARMACEUTICALS US INC | 4 | $70.12 | |
| Merck Sharp & Dohme LLC | 2 | $62.40 | |
| Sumitomo Pharma America, Inc. | 3 | $56.67 |
By nature of payment
Medicare Part D · 2023
Top prescriptions
Total claims
17,780
Patients
4,552
Total drug cost
$2,156,451
| Drug | Type | Claims | Patients | Total cost |
|---|---|---|---|---|
| Rosuvastatin Calcium | Generic | 2,580 | 704 | $82,214 |
| Atorvastatin Calcium | Generic | 2,456 | 615 | $38,402 |
| Losartan Potassium | Generic | 2,357 | 569 | $39,323 |
| Amlodipine Besylate | Generic | 2,135 | 532 | $24,532 |
| Metformin Hcl | Generic | 1,563 | 375 | $17,736 |
| Omeprazole | Generic | 981 | 376 | $10,967 |
| Tamsulosin Hcl | Generic | 969 | 250 | $23,991 |
| Vascepa (Icosapent Ethyl) | Brand | 963 | 158 | $528,114 |
| Creon (Lipase/Protease/Amylase) | Brand | 614 | 122 | $815,041 |
| Metoprolol Succinate | Generic | 562 | 145 | $12,837 |
Frequently asked questions
What is Dr. Paul Chang's medical specialty?
Dr. Paul Chang practices Internal Medicine Physician in Buena Park, CA.
Where does Dr. Paul Chang practice?
Dr. Paul Chang practices at 5832 Beach Blvd Unit 214, Buena Park, CA 906215501. Office phone: 7145237575.
What is Dr. Paul Chang's NPI?
Dr. Paul Chang's National Provider Identifier (NPI) is 1487627261, issued by NPPES.
Does Dr. Paul Chang accept Medicare assignment?
Yes. Dr. Paul Chang accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.
What procedures does Dr. Paul Chang commonly perform?
Top Medicare-reported procedures in 2023: Established patient office or other outpatient visit (HCPCS 99213); Annual wellness visit, includes a personalized prevention plan of service (pps), subsequent visit (HCPCS G0439); Management using the results of remote vital sign monitoring per calendar month (HCPCS 99457). Source: CMS Medicare Physician & Other Practitioners file.