Doctor profile · Federal record
Dr. Marios Giannakis, MD
Medical Oncology Physician (CMS: Hematology/Oncology) · Student in an Organized Health Care Education/Training Program · Boston, MA
- NPI 1417185729
- Accepts Medicare
- MIPS 83.1 / 100 · 2023
- 17 yrs in practice
- Male
- Group practice
- No sanctions
Practice & contact
- Primary practice
-
75 Francis St
Boston, MA 021156110
(617) 732-6040 - Mailing address
-
1575 Tremont St, Apt 1006
Roxbury Crossing, MA 021201677
Credentials & registration
- NPI registered
- June 2009 — 17 yrs on file
- Profile last updated
- June 27, 2016
- Year of graduation
- 2009 — 17 yrs since
- Specialty taxonomy
- 207RX0202X — NUCC code
- State licenses (2)
- Massachusetts #246728 · Massachusetts #240944
Federal sanctions & exclusions
No sanctions, exclusions or revocations on file
Checked against OIG LEIE on NPI 1417185729. Last verified May 11, 2026.Medicare procedures · 2023
Top services delivered
Total services
82
Distinct HCPCS
4
Medicare allowed
$11,396
| HCPCS | Description | Services | Patients | Avg allowed | |
|---|---|---|---|---|---|
99215 |
Established patient office or other outpatient visit, 40-54 minutes | 32 | 16 | $154 | |
99233 |
Subsequent hospital care with moderate levelof medical decision making, if using time, at least 50 minutes | 22 | 14 | $127 | |
99232 |
Subsequent hospital care with moderate levelof medical decision making, if using time, at least 35 minutes | 16 | 12 | $85 | |
99205 |
New patient office or other outpatient visit, 60-74 minutes | 12 | 12 | $194 |
In context: peer comparison
Among 103 peers in Boston Medical Oncology Physician, average services per provider: 67. This provider delivers 1.2× the peer median.Hospital affiliations
Frequently asked questions
What is Dr. Marios Giannakis's medical specialty?
Dr. Marios Giannakis practices Medical Oncology Physician in Boston, MA.
Where does Dr. Marios Giannakis practice?
Dr. Marios Giannakis practices at 75 Francis St, Boston, MA 021156110. Office phone: 6177326040.
What is Dr. Marios Giannakis's NPI?
Dr. Marios Giannakis's National Provider Identifier (NPI) is 1417185729, issued by NPPES.
Does Dr. Marios Giannakis accept Medicare assignment?
Yes. Dr. Marios Giannakis accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.
What procedures does Dr. Marios Giannakis commonly perform?
Top Medicare-reported procedures in 2023: Established patient office or other outpatient visit (HCPCS 99215); Subsequent hospital care with moderate levelof medical decision making (HCPCS 99233); Subsequent hospital care with moderate levelof medical decision making (HCPCS 99232). Source: CMS Medicare Physician & Other Practitioners file.