Doctor profile · Federal record
Dr. Paul Chang, MD
Internal Medicine Physician (CMS: Internal Medicine) · Pediatrics Physician · Ontario, OH
- NPI 1245217496
- Accepts Medicare
- 30 yrs in practice
- Male
- Solo practice
- No sanctions
Practice & contact
- Primary practice
-
2558 W 4Th St
Ontario, OH 449061209
(419) 529-4100
fax (419) 529-8700 - Mailing address
-
Po Box 3627
Mansfield, OH 449070627
Credentials & registration
- NPI registered
- December 2005 — 21 yrs on file
- Profile last updated
- January 6, 2014
- Year of graduation
- 1996 — 30 yrs since
- Specialty taxonomy
- 207R00000X — NUCC code
- State license (1)
- Ohio #35078250C
- Medicaid
- OH #2192694
Federal sanctions & exclusions
No sanctions, exclusions or revocations on file
Checked against OIG LEIE on NPI 1245217496. Last verified May 11, 2026.Medicare procedures · 2023
Top services delivered
Total services
360
Distinct HCPCS
3
Medicare allowed
$39,410
| HCPCS | Description | Services | Patients | Avg allowed | |
|---|---|---|---|---|---|
99214 |
Established patient office or other outpatient visit, 30-39 minutes | 299 | 80 | $118 | |
99213 |
Established patient office or other outpatient visit, 20-29 minutes | 46 | 28 | $81 | |
G0008 |
Administration of influenza virus vaccine | 15 | 14 | $25 |
In context: peer comparison
Among 4 peers in this city , average services per provider: 131. This provider delivers 2.7× the peer median.Medicare Part D · 2023
Top prescriptions
Total claims
1,518
Patients
420
Total drug cost
$18,348
| Drug | Type | Claims | Patients | Total cost |
|---|---|---|---|---|
| Amlodipine Besylate | Generic | 168 | 45 | $961 |
| Lisinopril | Generic | 153 | 43 | $987 |
| Losartan Potassium | Generic | 148 | 36 | $1,575 |
| Omeprazole | Generic | 130 | 33 | $1,632 |
| Fluticasone Propionate | Generic | 106 | 40 | $1,373 |
| Metoprolol Succinate | Generic | 102 | 32 | $2,001 |
| Levothyroxine Sodium | Generic | 99 | 29 | $1,354 |
| Metformin Hcl | Generic | 93 | 24 | $733 |
| Glimepiride | Generic | 91 | 24 | $672 |
| Furosemide | Generic | 89 | 23 | $437 |
Frequently asked questions
What is Dr. Paul Chang's medical specialty?
Dr. Paul Chang practices Internal Medicine Physician in Ontario, OH.
Where does Dr. Paul Chang practice?
Dr. Paul Chang practices at 2558 W 4Th St, Ontario, OH 449061209. Office phone: 4195294100.
What is Dr. Paul Chang's NPI?
Dr. Paul Chang's National Provider Identifier (NPI) is 1245217496, 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 99214); Established patient office or other outpatient visit (HCPCS 99213); Administration of influenza virus vaccine (HCPCS G0008). Source: CMS Medicare Physician & Other Practitioners file.