Doctor profile · Federal record

Dr. Malwina Wloch, M.D.

Anesthesiology Physician (CMS: Anesthesiology) · Stony Brook, NY

  • NPI 1023376068
  • Accepts Medicare
  • 14 yrs in practice
  • Female
  • Group practice
  • No sanctions

Practice & contact

NPPES Updated May 11, 2026
Primary practice
100 Nicolls RD, Suny at Stony Brook - Department of Anesthesiology
Stony Brook, NY 117948480
(631) 444-2968

Credentials & registration

NPPES · NUCC
NPI registered
April 2012 — 14 yrs on file
Profile last updated
April 12, 2016
Year of graduation
2012 — 14 yrs since
Specialty taxonomy
207L00000X — NUCC code
State license (1)
New York #283293-1

Federal sanctions & exclusions

OIG LEIE Updated May 11, 2026

No sanctions, exclusions or revocations on file

Checked against OIG LEIE on NPI 1023376068. Last verified May 11, 2026.

Medicare procedures · 2023

Top services delivered

CMS Provider Utilization
Total services
200
Distinct HCPCS
4
Medicare allowed
$30,699
HCPCS Description Services Patients Avg allowed
00811 Anesthesia for other procedure on large bowel using an endoscope 88 88 $155
00731 Anesthesia for other procedure on esophagus, stomach, or upper small bowel using an endoscope 43 42 $154
00812 Anesthesia for exam of colon using an endoscope 38 38 $114
00813 Anesthesia for procedure on small and large bowel using an endoscope 31 31 $196

In context: peer comparison

Among 28 peers in Stony Brook Anesthesiology Physician, average services per provider: 28. This provider delivers 7.1× the peer median.

Frequently asked questions

Auto-generated from federal data
What is Dr. Malwina Wloch's medical specialty?
Dr. Malwina Wloch practices Anesthesiology Physician in Stony Brook, NY.
Where does Dr. Malwina Wloch practice?
Dr. Malwina Wloch practices at 100 Nicolls RD, Stony Brook, NY 117948480. Office phone: 6314442968.
What is Dr. Malwina Wloch's NPI?
Dr. Malwina Wloch's National Provider Identifier (NPI) is 1023376068, issued by NPPES.
Does Dr. Malwina Wloch accept Medicare assignment?
Yes. Dr. Malwina Wloch accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.
What procedures does Dr. Malwina Wloch commonly perform?
Top Medicare-reported procedures in 2023: Anesthesia for other procedure on large bowel using an endoscope (HCPCS 00811); Anesthesia for other procedure on esophagus, stomach, or upper small bowel using an endoscope (HCPCS 00731); Anesthesia for exam of colon using an endoscope (HCPCS 00812). Source: CMS Medicare Physician & Other Practitioners file.