Doctor profile · Federal record
Dr. Stephen Chang, MD
Internal Medicine Physician (CMS: Internal Medicine) · Internal Medicine Physician · Boston, MA
- NPI 1386103646
- Accepts Medicare
- 7 yrs in practice
- Male
- Group practice
- No sanctions
Practice & contact
Operates at 2 locations .
- Primary practice
-
55 Fruit St, Blake 1500
Boston, MA 02114
(617) 724-3874 - Additional location
-
725 Albany St
Boston, MA 021182526
(617) 414-5951
fax (617) 414-9251
Credentials & registration
- NPI registered
- March 2019 — 7 yrs on file
- Profile last updated
- May 6, 2022
- Year of graduation
- 2019 — 7 yrs since
- Specialty taxonomy
- 207R00000X — NUCC code
- State licenses (2)
- Massachusetts #291514 · Massachusetts #279355
Federal sanctions & exclusions
No sanctions, exclusions or revocations on file
Checked against OIG LEIE on NPI 1386103646. Last verified May 11, 2026.Medicare procedures · 2023
Top services delivered
Total services
186
Distinct HCPCS
5
Medicare allowed
$23,620
| HCPCS | Description | Services | Patients | Avg allowed | |
|---|---|---|---|---|---|
99232 |
Subsequent hospital care with moderate levelof medical decision making, if using time, at least 35 minutes | 55 | 20 | $84 | |
99222 |
Initial hospital care with straightforward or low-level medical decision making, if using time, at least 55 minutes | 43 | 42 | $138 | |
99233 |
Subsequent hospital care with moderate levelof medical decision making, if using time, at least 50 minutes | 42 | 26 | $126 | |
99223 |
Initial hospital care with moderate level of medical decision making, if using time, at least 75 minutes | 34 | 34 | $184 | |
99239 |
Hospital discharge day management, more than 30 minutes | 12 | 12 | $123 |
In context: peer comparison
Among 547 peers in this city , average services per provider: 81. This provider delivers 2.3× the peer median.Frequently asked questions
What is Dr. Stephen Chang's medical specialty?
Dr. Stephen Chang practices Internal Medicine Physician in Boston, MA.
Where does Dr. Stephen Chang practice?
Dr. Stephen Chang practices at 55 Fruit St, Boston, MA 02114. Office phone: 6177243874.
What is Dr. Stephen Chang's NPI?
Dr. Stephen Chang's National Provider Identifier (NPI) is 1386103646, issued by NPPES.
Does Dr. Stephen Chang accept Medicare assignment?
Yes. Dr. Stephen Chang accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.
What procedures does Dr. Stephen 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); Subsequent hospital care with moderate levelof medical decision making (HCPCS 99233). Source: CMS Medicare Physician & Other Practitioners file.