Doctor profile · Federal record
Dr. Michael Apstein, MD
Gastroenterology Physician (CMS: Gastroenterology) · Boston, MA
- NPI 1609854603
- Accepts Medicare
- 54 yrs in practice
- Male
- Group practice
- No sanctions
Practice & contact
- Primary practice
-
110 Francis St, Suite 8E
Boston, MA 022155501
(617) 632-8289
Credentials & registration
- NPI registered
- January 2006 — 20 yrs on file
- Profile last updated
- September 6, 2007
- Year of graduation
- 1972 — 54 yrs since
- Specialty taxonomy
- 207RG0100X — NUCC code
- State license (1)
- Massachusetts #35625
Federal sanctions & exclusions
No sanctions, exclusions or revocations on file
Checked against OIG LEIE on NPI 1609854603. Last verified May 11, 2026.Medicare procedures · 2023
Top services delivered
Total services
21
Distinct HCPCS
1
Medicare allowed
$3,870
| HCPCS | Description | Services | Patients | Avg allowed | |
|---|---|---|---|---|---|
99223 |
Initial hospital care with moderate level of medical decision making, if using time, at least 75 minutes | 21 | 21 | $184 |
In context: peer comparison
Among 78 peers in Boston Gastroenterology Physician, average services per provider: 56. This provider delivers 0.4× the peer median.Frequently asked questions
What is Dr. Michael Apstein's medical specialty?
Dr. Michael Apstein practices Gastroenterology Physician in Boston, MA.
Where does Dr. Michael Apstein practice?
Dr. Michael Apstein practices at 110 Francis St, Boston, MA 022155501. Office phone: 6176328289.
What is Dr. Michael Apstein's NPI?
Dr. Michael Apstein's National Provider Identifier (NPI) is 1609854603, issued by NPPES.
Does Dr. Michael Apstein accept Medicare assignment?
Yes. Dr. Michael Apstein accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.
What procedures does Dr. Michael Apstein commonly perform?
Top Medicare-reported procedures in 2023: Initial hospital care with moderate level of medical decision making (HCPCS 99223). Source: CMS Medicare Physician & Other Practitioners file.