Doctor profile · Federal record
Dr. William Chang, MD
Physical Medicine & Rehabilitation Physician (CMS: Physical Medicine and Rehabilitation) · Physical Medicine & Rehabilitation Physician · Physical Medicine & Rehabilitation Physician · Rehabilitation Practitioner · Lima, OH
- NPI 1245223619
- Accepts Medicare
- 36 yrs in practice
- Licensed in 3 states
- Male
- Group practice
- No sanctions
Practice & contact
- Primary practice
-
770 W High St Ste 160
Lima, OH 458015900
(419) 996-5224
fax (419) 996-5276
Credentials & registration
- NPI registered
- August 2005 — 21 yrs on file
- Profile last updated
- February 19, 2021
- Year of graduation
- 1990 — 36 yrs since
- Specialty taxonomy
- 208100000X — NUCC code
- State licenses (3)
- Ohio #35-092684 · Texas #K5079 · New York #188561
- Medicaid
- OH #3013198
Federal sanctions & exclusions
No sanctions, exclusions or revocations on file
Checked against OIG LEIE on NPI 1245223619. Last verified May 11, 2026.Medicare procedures · 2023
Top services delivered
Total services
1,459
Distinct HCPCS
4
Medicare allowed
$128,018
| HCPCS | Description | Services | Patients | Avg allowed | |
|---|---|---|---|---|---|
99232 |
Subsequent hospital care with moderate levelof medical decision making, if using time, at least 35 minutes | 1,064 | 145 | $76 | |
99222 |
Initial hospital care with straightforward or low-level medical decision making, if using time, at least 55 minutes | 245 | 167 | $126 | |
99239 |
Hospital discharge day management, more than 30 minutes | 122 | 116 | $110 | |
99213 |
Established patient office or other outpatient visit, 20-29 minutes | 28 | 21 | $86 |
In context: peer comparison
Among 4 peers in Lima Physical Medicine & Rehabilitation Physician, average services per provider: 1,261. This provider delivers 1.2× the peer median.Medicare Part D · 2023
Top prescriptions
Total claims
509
Patients
219
Total drug cost
$18,378
| Drug | Type | Claims | Patients | Total cost |
|---|---|---|---|---|
| Trazodone Hcl | Generic | 103 | 56 | $678 |
| Gabapentin | Generic | 67 | 26 | $1,213 |
| Pantoprazole Sodium | Generic | 43 | 22 | $521 |
| Amlodipine Besylate | Generic | 39 | 19 | $245 |
| Atorvastatin Calcium | Generic | 36 | 21 | $208 |
| Diclofenac Sodium | Generic | 32 | 24 | $994 |
| Levetiracetam | Generic | 32 | 13 | $997 |
| Lisinopril | Generic | 26 | 15 | $175 |
| Clopidogrel (Clopidogrel Bisulfate) | Brand | 25 | 12 | $194 |
| Famotidine | Generic | 20 | 0 | $150 |
Hospital affiliations
Frequently asked questions
What is Dr. William Chang's medical specialty?
Dr. William Chang practices Physical Medicine & Rehabilitation Physician in Lima, OH.
Where does Dr. William Chang practice?
Dr. William Chang practices at 770 W High St Ste 160, Lima, OH 458015900. Office phone: 4199965224.
What is Dr. William Chang's NPI?
Dr. William Chang's National Provider Identifier (NPI) is 1245223619, issued by NPPES.
Does Dr. William Chang accept Medicare assignment?
Yes. Dr. William Chang accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.
What procedures does Dr. William Chang commonly perform?
Top Medicare-reported procedures in 2023: Subsequent hospital care with moderate levelof medical decision making (HCPCS 99232); Initial hospital care with straightforward or low-level medical decision making (HCPCS 99222); Hospital discharge day management (HCPCS 99239). Source: CMS Medicare Physician & Other Practitioners file.