Doctor profile · Federal record
Dr. Dimitrios Spentzos, M.D
Medical Oncology Physician (CMS: Medical Oncology) · Boston, MA
- NPI 1174556120
- Accepts Medicare
- 36 yrs in practice
- Male
- Solo practice
- No sanctions
Practice & contact
Operates at 2 locations .
- Primary practice
-
55 Fruit St
Boston, MA 021142621
(617) 724-3144
fax (617) 634-1894 - Additional location
-
330 Brookline Ave, Shapiro Clinical Center 9
Boston, MA 022155400
(617) 667-1910
fax (617) 667-8030 - Mailing address
-
23 Warwick RD
Belmont, MA 024782840
Credentials & registration
- NPI registered
- July 2006 — 20 yrs on file
- Profile last updated
- November 25, 2024
- Year of graduation
- 1990 — 36 yrs since
- Specialty taxonomy
- 207RX0202X — NUCC code
- State license (1)
- Massachusetts #161220
Federal sanctions & exclusions
No sanctions, exclusions or revocations on file
Checked against OIG LEIE on NPI 1174556120. Last verified May 11, 2026.Medicare procedures · 2023
Top services delivered
Total services
107
Distinct HCPCS
3
Medicare allowed
$14,083
| HCPCS | Description | Services | Patients | Avg allowed | |
|---|---|---|---|---|---|
99233 |
Subsequent hospital care with moderate levelof medical decision making, if using time, at least 50 minutes | 68 | 26 | $126 | |
99223 |
Initial hospital care with moderate level of medical decision making, if using time, at least 75 minutes | 22 | 21 | $184 | |
99232 |
Subsequent hospital care with moderate levelof medical decision making, if using time, at least 35 minutes | 17 | 12 | $84 |
In context: peer comparison
Among 103 peers in this city , average services per provider: 67. This provider delivers 1.6× the peer median.Open Payments
Industry payments received
All-time total
$114
Transactions
1
Manufacturers
1
| Payer (manufacturer) | Industry | Txns | Amount |
|---|---|---|---|
| Tempus AI, Inc | 1 | $113.75 |
By nature of payment
Frequently asked questions
What is Dr. Dimitrios Spentzos's medical specialty?
Dr. Dimitrios Spentzos practices Medical Oncology Physician in Boston, MA.
Where does Dr. Dimitrios Spentzos practice?
Dr. Dimitrios Spentzos practices at 55 Fruit St, Boston, MA 021142621. Office phone: 6177243144.
What is Dr. Dimitrios Spentzos's NPI?
Dr. Dimitrios Spentzos's National Provider Identifier (NPI) is 1174556120, issued by NPPES.
Does Dr. Dimitrios Spentzos accept Medicare assignment?
Yes. Dr. Dimitrios Spentzos accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.
What procedures does Dr. Dimitrios Spentzos commonly perform?
Top Medicare-reported procedures in 2023: Subsequent hospital care with moderate levelof medical decision making (HCPCS 99233); Initial hospital care with moderate level of medical decision making (HCPCS 99223); Subsequent hospital care with moderate levelof medical decision making (HCPCS 99232). Source: CMS Medicare Physician & Other Practitioners file.