Doctor profile · Federal record
Dr. Joy Chang, M.D.
Addiction Psychiatry Physician (CMS: Psychiatry) · Baltimore, MD
- NPI 1154620540
- Accepts Medicare
- MIPS 98.3 / 100 · 2023
- 15 yrs in practice
- Female
- Group practice
- No sanctions
Practice & contact
- Primary practice
-
110 S Paca St, 4N149
Baltimore, MD 212011642
(410) 328-1834
fax (410) 328-1749
Credentials & registration
- NPI registered
- March 2011 — 15 yrs on file
- Profile last updated
- July 30, 2016
- Year of graduation
- 2011 — 15 yrs since
- Specialty taxonomy
- 2084P0802X — NUCC code
- State license (1)
- Maryland #D0076718
Federal sanctions & exclusions
No sanctions, exclusions or revocations on file
Checked against OIG LEIE on NPI 1154620540. Last verified May 11, 2026.Medicare procedures · 2023
Top services delivered
Total services
17
Distinct HCPCS
1
Medicare allowed
$1,426
| HCPCS | Description | Services | Patients | Avg allowed | |
|---|---|---|---|---|---|
99232 |
Subsequent hospital care with moderate levelof medical decision making, if using time, at least 35 minutes | 17 | 11 | $84 |
In context: peer comparison
Among 1 peers in Baltimore Addiction Psychiatry Physician, average services per provider: 17. This provider delivers 1.0× the peer median.Open Payments
Industry payments received
All-time total
$27
Transactions
1
Manufacturers
1
| Payer (manufacturer) | Industry | Txns | Amount |
|---|---|---|---|
| Abbvie INC. | 1 | $26.79 |
By nature of payment
Medicare Part D · 2023
Top prescriptions
Total claims
28
Patients
0
Total drug cost
$4,811
| Drug | Type | Claims | Patients | Total cost |
|---|---|---|---|---|
| Buprenorphine-Naloxone (Buprenorphine Hcl/Naloxone Hcl) | Brand | 15 | 0 | $4,368 |
| Olanzapine | Generic | 13 | 0 | $443 |
Frequently asked questions
What is Dr. Joy Chang's medical specialty?
Dr. Joy Chang practices Addiction Psychiatry Physician in Baltimore, MD.
Where does Dr. Joy Chang practice?
Dr. Joy Chang practices at 110 S Paca St, Baltimore, MD 212011642. Office phone: 4103281834.
What is Dr. Joy Chang's NPI?
Dr. Joy Chang's National Provider Identifier (NPI) is 1154620540, issued by NPPES.
Does Dr. Joy Chang accept Medicare assignment?
Yes. Dr. Joy Chang accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.
What procedures does Dr. Joy Chang commonly perform?
Top Medicare-reported procedures in 2023: Subsequent hospital care with moderate levelof medical decision making (HCPCS 99232). Source: CMS Medicare Physician & Other Practitioners file.