Doctor profile · Federal record
Dr. Olga Marsillio, DNP
Certified Registered Nurse Anesthetist (CMS: Certified Registered Nurse Anesthetist (CRNA)) · Certified Registered Nurse Anesthetist · New London, CT
- NPI 1841558897
- Accepts Medicare
- MIPS 84.3 / 100 · 2023
- 14 yrs in practice
- Licensed in 2 states
- Female
- Solo practice
- No sanctions
Practice & contact
Operates at 2 locations .
- Primary practice
-
365 Montauk Ave
New London, CT 063204700
(860) 442-0711 - Additional location
-
1 Medical Center Dr
Lebanon, NH 037561000
(603) 650-5000
fax (603) 640-1228 - Mailing address
-
450 Center St, Unit 16
Southport, CT 068901447
Credentials & registration
- NPI registered
- April 2012 — 14 yrs on file
- Profile last updated
- March 11, 2026
- Year of graduation
- 2012 — 14 yrs since
- Specialty taxonomy
- 367500000X — NUCC code
- State licenses (2)
- Connecticut #90139 · New Hampshire #116941-23
Federal sanctions & exclusions
No sanctions, exclusions or revocations on file
Checked against OIG LEIE on NPI 1841558897. Last verified May 11, 2026.Medicare procedures · 2023
Top services delivered
Total services
15
Distinct HCPCS
1
Medicare allowed
$1,250
| HCPCS | Description | Services | Patients | Avg allowed | |
|---|---|---|---|---|---|
00731 |
Anesthesia for other procedure on esophagus, stomach, or upper small bowel using an endoscope | 15 | 15 | $83 |
In context: peer comparison
Among 13 peers in New London Certified Registered Nurse Anesthetist, average services per provider: 43. This provider delivers 0.3× the peer median.Frequently asked questions
What is Dr. Olga Marsillio's medical specialty?
Dr. Olga Marsillio practices Certified Registered Nurse Anesthetist in New London, CT.
Where does Dr. Olga Marsillio practice?
Dr. Olga Marsillio practices at 365 Montauk Ave, New London, CT 063204700. Office phone: 8604420711.
What is Dr. Olga Marsillio's NPI?
Dr. Olga Marsillio's National Provider Identifier (NPI) is 1841558897, issued by NPPES.
Does Dr. Olga Marsillio accept Medicare assignment?
Yes. Dr. Olga Marsillio accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.
What procedures does Dr. Olga Marsillio commonly perform?
Top Medicare-reported procedures in 2023: Anesthesia for other procedure on esophagus, stomach, or upper small bowel using an endoscope (HCPCS 00731). Source: CMS Medicare Physician & Other Practitioners file.