Doctor profile · Federal record
Dr. Gerard Chang, MD
Orthopaedic Surgery Physician (CMS: Orthopedic Surgery) · Student in an Organized Health Care Education/Training Program · Lebanon, NH
- NPI 1972990794
- Accepts Medicare
- MIPS 85.1 / 100 · 2023
- 11 yrs in practice
- Male
- Group practice
- No sanctions
Practice & contact
- Primary practice
-
One Medical Center Dr
Lebanon, NH 037560001
(603) 650-5133
Credentials & registration
- NPI registered
- April 2015 — 11 yrs on file
- Profile last updated
- August 9, 2021
- Year of graduation
- 2015 — 11 yrs since
- Specialty taxonomy
- 207X00000X — NUCC code
- State license (1)
- New Hampshire #21646
Federal sanctions & exclusions
No sanctions, exclusions or revocations on file
Checked against OIG LEIE on NPI 1972990794. Last verified May 11, 2026.Medicare procedures · 2023
Top services delivered
Total services
115
Distinct HCPCS
4
Medicare allowed
$33,003
| HCPCS | Description | Services | Patients | Avg allowed | |
|---|---|---|---|---|---|
99222 |
Initial hospital care with straightforward or low-level medical decision making, if using time, at least 55 minutes | 37 | 37 | $131 | |
99213 |
Established patient office or other outpatient visit, 20-29 minutes | 36 | 34 | $66 | |
99214 |
Established patient office or other outpatient visit, 30-39 minutes | 23 | 19 | $98 | |
27245 |
Treatment of broken neck of thigh bone with bone implant | 19 | 19 | $1,237 |
In context: peer comparison
Among 11 peers in Lebanon Orthopaedic Surgery Physician, average services per provider: 81. This provider delivers 1.4× the peer median.Open Payments
Industry payments received
All-time total
$2,003
Transactions
8
Manufacturers
1
| Payer (manufacturer) | Industry | Txns | Amount |
|---|---|---|---|
| Stryker Corporation | 8 | $2,003.35 |
By nature of payment
Medicare Part D · 2023
Top prescriptions
Total claims
11
Patients
0
Total drug cost
$133
| Drug | Type | Claims | Patients | Total cost |
|---|---|---|---|---|
| Gabapentin | Generic | 11 | 0 | $133 |
Frequently asked questions
What is Dr. Gerard Chang's medical specialty?
Dr. Gerard Chang practices Orthopaedic Surgery Physician in Lebanon, NH.
Where does Dr. Gerard Chang practice?
Dr. Gerard Chang practices at One Medical Center Dr, Lebanon, NH 037560001. Office phone: 6036505133.
What is Dr. Gerard Chang's NPI?
Dr. Gerard Chang's National Provider Identifier (NPI) is 1972990794, issued by NPPES.
Does Dr. Gerard Chang accept Medicare assignment?
Yes. Dr. Gerard Chang accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.
What procedures does Dr. Gerard Chang commonly perform?
Top Medicare-reported procedures in 2023: Initial hospital care with straightforward or low-level medical decision making (HCPCS 99222); Established patient office or other outpatient visit (HCPCS 99213); Established patient office or other outpatient visit (HCPCS 99214). Source: CMS Medicare Physician & Other Practitioners file.