Doctor profile · Federal record
Dr. Jonathan Eisen, M.D.
Internal Medicine Physician (CMS: Hospitalist) · Boston, MA
- NPI 1396126686
- Accepts Medicare
- 11 yrs in practice
- Male
- Group practice
- No sanctions
Practice & contact
Operates at 3 locations .
- Primary practice
-
800 Washington St
Boston, MA 021111552
(617) 636-5000 - Additional location
-
1153 Centre St
Jamaica Plain, MA 021303446
(617) 983-7000 - Additional location
-
75 Francis St
Boston, MA 021156110
(617) 732-5500
Credentials & registration
- NPI registered
- June 2015 — 11 yrs on file
- Profile last updated
- January 15, 2026
- Year of graduation
- 2015 — 11 yrs since
- Specialty taxonomy
- 207R00000X — NUCC code
- State license (1)
- Massachusetts #263228
Federal sanctions & exclusions
No sanctions, exclusions or revocations on file
Checked against OIG LEIE on NPI 1396126686. Last verified May 11, 2026.Medicare procedures · 2023
Top services delivered
Total services
321
Distinct HCPCS
3
Medicare allowed
$30,723
| HCPCS | Description | Services | Patients | Avg allowed | |
|---|---|---|---|---|---|
99232 |
Subsequent hospital care with moderate levelof medical decision making, if using time, at least 35 minutes | 243 | 77 | $84 | |
99222 |
Initial hospital care with straightforward or low-level medical decision making, if using time, at least 55 minutes | 51 | 51 | $137 | |
99239 |
Hospital discharge day management, more than 30 minutes | 27 | 27 | $123 |
In context: peer comparison
Among 547 peers in this city , average services per provider: 81. This provider delivers 4.0× the peer median.Frequently asked questions
What is Dr. Jonathan Eisen's medical specialty?
Dr. Jonathan Eisen practices Internal Medicine Physician in Boston, MA.
Where does Dr. Jonathan Eisen practice?
Dr. Jonathan Eisen practices at 800 Washington St, Boston, MA 021111552. Office phone: 6176365000.
What is Dr. Jonathan Eisen's NPI?
Dr. Jonathan Eisen's National Provider Identifier (NPI) is 1396126686, issued by NPPES.
Does Dr. Jonathan Eisen accept Medicare assignment?
Yes. Dr. Jonathan Eisen accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.
What procedures does Dr. Jonathan Eisen 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.