Doctor profile · Federal record
Dr. Kathleen Viveiros, M.D.
Gastroenterology Physician (CMS: Gastroenterology) · Boston, MA
- NPI 1376664938
- Accepts Medicare
- 25 yrs in practice
- Female
- Solo practice
- No sanctions
Practice & contact
- Primary practice
-
800 Washington St, Tufts Medical Center, Box #233
Boston, MA 02111
(617) 636-0660
fax (617) 636-4207 - Mailing address
-
375 Boylston St
Brookline, MA 024456007
Credentials & registration
- NPI registered
- April 2007 — 19 yrs on file
- Profile last updated
- April 23, 2021
- Year of graduation
- 2001 — 25 yrs since
- Specialty taxonomy
- 207RG0100X — NUCC code
- State license (1)
- Massachusetts #233922
Federal sanctions & exclusions
No sanctions, exclusions or revocations on file
Checked against OIG LEIE on NPI 1376664938. Last verified May 11, 2026.Medicare procedures · 2023
Top services delivered
Total services
614
Distinct HCPCS
10
Medicare allowed
$60,705
| HCPCS | Description | Services | Patients | Avg allowed | |
|---|---|---|---|---|---|
99231 |
Subsequent hospital care with straightforward or low level of medical decision making, per day, if using time, at least 25 minutes | 60 | 40 | $53 | |
99214 |
Established patient office or other outpatient visit, 30-39 minutes | 54 | 49 | $140 | |
99213 |
Established patient office or other outpatient visit, 20-29 minutes | 50 | 45 | $100 | |
45380 |
Biopsy of large bowel using a flexible endoscope | 48 | 48 | $70 | |
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 | 43 | 43 | $6 | |
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 | 42 | 42 | $6 | |
45380 |
Biopsy of large bowel using a flexible endoscope | 38 | 38 | $104 | |
45385 |
Removal of polyps or growths of large bowel using an endoscope with mechanical snare | 38 | 38 | $268 | |
99213 |
Established patient office or other outpatient visit, 20-29 minutes | 34 | 32 | $69 | |
43239 |
Biopsy of esophagus, stomach, and/or upper small bowel using a flexible endoscope | 27 | 26 | $112 |
In context: peer comparison
Among 78 peers in this city , average services per provider: 56. This provider delivers 11× the peer median.Medicare Part D · 2023
Top prescriptions
Total claims
90
Patients
41
Total drug cost
$20,335
| Drug | Type | Claims | Patients | Total cost |
|---|---|---|---|---|
| Ursodiol | Generic | 62 | 14 | $19,832 |
| Gavilyte-G (Peg3350/Sod Sulf,bicarb,cl/Kcl) | Brand | 28 | 27 | $503 |
Hospital affiliations
Frequently asked questions
What is Dr. Kathleen Viveiros's medical specialty?
Dr. Kathleen Viveiros practices Gastroenterology Physician in Boston, MA.
Where does Dr. Kathleen Viveiros practice?
Dr. Kathleen Viveiros practices at 800 Washington St, Boston, MA 02111. Office phone: 6176360660.
What is Dr. Kathleen Viveiros's NPI?
Dr. Kathleen Viveiros's National Provider Identifier (NPI) is 1376664938, issued by NPPES.
Does Dr. Kathleen Viveiros accept Medicare assignment?
Yes. Dr. Kathleen Viveiros accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.
What procedures does Dr. Kathleen Viveiros commonly perform?
Top Medicare-reported procedures in 2023: Subsequent hospital care with straightforward or low level of medical decision making (HCPCS 99231); Established patient office or other outpatient visit (HCPCS 99214); Established patient office or other outpatient visit (HCPCS 99213). Source: CMS Medicare Physician & Other Practitioners file.