Doctor profile · Federal record
Dr. Margaret Sagsveen, D.O.
Anesthesiology Physician (CMS: Anesthesiology) · Student in an Organized Health Care Education/Training Program · Bay Shore, NY
- NPI 1073054375
- Accepts Medicare
- MIPS 100.0 / 100 · 2023
- 9 yrs in practice
- Female
- Solo practice
- No sanctions
Practice & contact
Operates at 2 locations .
- Primary practice
-
301 E Main St
Bay Shore, NY 117068408
(631) 885-3885 - Additional location
-
111 E 210Th St
Bronx, NY 104672401
(718) 920-2802
Credentials & registration
- NPI registered
- March 2017 — 9 yrs on file
- Profile last updated
- December 2, 2025
- Year of graduation
- 2017 — 9 yrs since
- Specialty taxonomy
- 207L00000X — NUCC code
- State license (1)
- New York #310231-01
Federal sanctions & exclusions
No sanctions, exclusions or revocations on file
Checked against OIG LEIE on NPI 1073054375. Last verified May 11, 2026.Medicare procedures · 2023
Top services delivered
Total services
56
Distinct HCPCS
3
Medicare allowed
$6,445
| HCPCS | Description | Services | Patients | Avg allowed | |
|---|---|---|---|---|---|
00812 |
Anesthesia for exam of colon using an endoscope | 20 | 20 | $128 | |
36620 |
Insertion of artery tube for blood sampling or infusion through skin | 19 | 19 | $51 | |
00731 |
Anesthesia for other procedure on esophagus, stomach, or upper small bowel using an endoscope | 17 | 17 | $171 |
In context: peer comparison
Among 10 peers in this city , average services per provider: 28. This provider delivers 2.0× the peer median.Frequently asked questions
What is Dr. Margaret Sagsveen's medical specialty?
Dr. Margaret Sagsveen practices Anesthesiology Physician in Bay Shore, NY.
Where does Dr. Margaret Sagsveen practice?
Dr. Margaret Sagsveen practices at 301 E Main St, Bay Shore, NY 117068408. Office phone: 6318853885.
What is Dr. Margaret Sagsveen's NPI?
Dr. Margaret Sagsveen's National Provider Identifier (NPI) is 1073054375, issued by NPPES.
Does Dr. Margaret Sagsveen accept Medicare assignment?
Yes. Dr. Margaret Sagsveen accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.
What procedures does Dr. Margaret Sagsveen commonly perform?
Top Medicare-reported procedures in 2023: Anesthesia for exam of colon using an endoscope (HCPCS 00812); Insertion of artery tube for blood sampling or infusion through skin (HCPCS 36620); Anesthesia for other procedure on esophagus, stomach, or upper small bowel using an endoscope (HCPCS 00731). Source: CMS Medicare Physician & Other Practitioners file.