Doctor profile · Federal record

Dr. Maria Bortkiewicz, M.D.

Anesthesiology Physician (CMS: Anesthesiology) · Boston, MA

  • NPI 1609857622
  • Accepts Medicare
  • 55 yrs in practice
  • Female
  • Group practice
  • No sanctions

Practice & contact

NPPES Updated May 11, 2026
Primary practice
243 Charles St
Boston, MA 021143002
(617) 573-3378

Credentials & registration

NPPES · NUCC
NPI registered
November 2005 — 21 yrs on file
Profile last updated
December 17, 2014
Year of graduation
1971 — 55 yrs since
Specialty taxonomy
207L00000X — NUCC code
State license (1)
Massachusetts #71849

Federal sanctions & exclusions

OIG LEIE Updated May 11, 2026

No sanctions, exclusions or revocations on file

Checked against OIG LEIE on NPI 1609857622. Last verified May 11, 2026.

Medicare procedures · 2023

Top services delivered

CMS Provider Utilization
Total services
304
Distinct HCPCS
4
Medicare allowed
$41,257
HCPCS Description Services Patients Avg allowed
00142 Anesthesia for lens surgery 167 157 $107
00145 Anesthesia for retinal surgery 66 65 $186
00140 Anesthesia for other procedure on eye 58 56 $158
00103 Anesthesia for procedure on eyelid 13 13 $156

In context: peer comparison

Among 267 peers in Boston Anesthesiology Physician, average services per provider: 32. This provider delivers 9.5× the peer median.

Hospital affiliations

CMS Hospital Compare

Frequently asked questions

Auto-generated from federal data
What is Dr. Maria Bortkiewicz's medical specialty?
Dr. Maria Bortkiewicz practices Anesthesiology Physician in Boston, MA.
Where does Dr. Maria Bortkiewicz practice?
Dr. Maria Bortkiewicz practices at 243 Charles St, Boston, MA 021143002. Office phone: 6175733378.
What is Dr. Maria Bortkiewicz's NPI?
Dr. Maria Bortkiewicz's National Provider Identifier (NPI) is 1609857622, issued by NPPES.
Does Dr. Maria Bortkiewicz accept Medicare assignment?
Yes. Dr. Maria Bortkiewicz accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.
What procedures does Dr. Maria Bortkiewicz commonly perform?
Top Medicare-reported procedures in 2023: Anesthesia for lens surgery (HCPCS 00142); Anesthesia for retinal surgery (HCPCS 00145); Anesthesia for other procedure on eye (HCPCS 00140). Source: CMS Medicare Physician & Other Practitioners file.