Doctor profile · Federal record
Dr. Vanessa Mitsialis, MD
Gastroenterology Physician (CMS: Gastroenterology) · Internal Medicine Physician · Boston, MA
- NPI 1184062705
- Accepts Medicare
- 13 yrs in practice
- Female
- Group practice
- No sanctions
Practice & contact
- Primary practice
-
75 Francis St, Brigham and Women's Hospital, Asb II
Boston, MA 021156110
(617) 732-7426
Credentials & registration
- NPI registered
- June 2013 — 13 yrs on file
- Profile last updated
- September 5, 2019
- Year of graduation
- 2013 — 13 yrs since
- Specialty taxonomy
- 207RG0100X — NUCC code
- State license (1)
- Massachusetts #279791
Federal sanctions & exclusions
No sanctions, exclusions or revocations on file
Checked against OIG LEIE on NPI 1184062705. Last verified May 11, 2026.Medicare procedures · 2023
Top services delivered
Total services
157
Distinct HCPCS
6
Medicare allowed
$18,137
| HCPCS | Description | Services | Patients | Avg allowed | |
|---|---|---|---|---|---|
99214 |
Established patient office or other outpatient visit, 30-39 minutes | 41 | 20 | $104 | |
99222 |
Initial hospital care with straightforward or low-level medical decision making, if using time, at least 55 minutes | 41 | 41 | $138 | |
45380 |
Biopsy of large bowel using a flexible endoscope | 24 | 24 | $139 | |
G0500 |
Moderate sedation services provided by the same physician or other qualified health care professional performing a gastrointestinal endoscopic service that sedation supports, requiring the presence of an independent trained observer to assist in the monito | 23 | 22 | $6 | |
99232 |
Subsequent hospital care with moderate levelof medical decision making, if using time, at least 35 minutes | 15 | 13 | $84 | |
45385 |
Removal of polyps or growths of large bowel using an endoscope with mechanical snare | 13 | 13 | $268 |
In context: peer comparison
Among 78 peers in this city , average services per provider: 56. This provider delivers 2.8× the peer median.Medicare Part D · 2023
Top prescriptions
Total claims
22
Patients
0
Total drug cost
$7,452
| Drug | Type | Claims | Patients | Total cost |
|---|---|---|---|---|
| Mesalamine | Generic | 11 | 0 | $7,263 |
| Prednisone | Generic | 11 | 0 | $189 |
Hospital affiliations
Frequently asked questions
What is Dr. Vanessa Mitsialis's medical specialty?
Dr. Vanessa Mitsialis practices Gastroenterology Physician in Boston, MA.
Where does Dr. Vanessa Mitsialis practice?
Dr. Vanessa Mitsialis practices at 75 Francis St, Boston, MA 021156110. Office phone: 6177327426.
What is Dr. Vanessa Mitsialis's NPI?
Dr. Vanessa Mitsialis's National Provider Identifier (NPI) is 1184062705, issued by NPPES.
Does Dr. Vanessa Mitsialis accept Medicare assignment?
Yes. Dr. Vanessa Mitsialis accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.
What procedures does Dr. Vanessa Mitsialis commonly perform?
Top Medicare-reported procedures in 2023: Established patient office or other outpatient visit (HCPCS 99214); Initial hospital care with straightforward or low-level medical decision making (HCPCS 99222); Biopsy of large bowel using a flexible endoscope (HCPCS 45380). Source: CMS Medicare Physician & Other Practitioners file.