Doctor profile · Federal record

Dr. Nelson Thaemert, MD

Anesthesiology Physician (CMS: Anesthesiology) · Boston, MA

  • NPI 1245296417
  • Accepts Medicare
  • 25 yrs in practice
  • Male
  • Group practice
  • No sanctions

Practice & contact

NPPES Updated May 11, 2026
Primary practice
75 Francis St Cwn L1, Bwh Department of Anesthesiology Perioperative and Pain
Boston, MA 02115
(617) 732-8210

Credentials & registration

NPPES · NUCC
NPI registered
April 2006 — 20 yrs on file
Profile last updated
June 24, 2013
Year of graduation
2001 — 25 yrs since
Specialty taxonomy
207L00000X — NUCC code
State license (1)
Massachusetts #219936

Federal sanctions & exclusions

OIG LEIE Updated May 11, 2026

No sanctions, exclusions or revocations on file

Checked against OIG LEIE on NPI 1245296417. Last verified May 11, 2026.

Medicare procedures · 2023

Top services delivered

CMS Provider Utilization
Total services
193
Distinct HCPCS
9
Medicare allowed
$47,631
HCPCS Description Services Patients Avg allowed
36620 Insertion of artery tube for blood sampling or infusion through skin 48 48 $46
00520 Anesthesia for other closed procedure on chest 45 44 $230
00541 Anesthesia for procedure on chest with 1 lung inflated 31 31 $711
00560 Anesthesia for procedure on heart and large blood vessels 13 13 $623
00731 Anesthesia for other procedure on esophagus, stomach, or upper small bowel using an endoscope 12 11 $207
36556 Insertion of non-tunneled central venous tube for infusion (5 years or older) 11 11 $88
93312 Ultrasound of heart with probe in esophagus, with report 11 11 $112
93320 Ultrasound of heart blood flow, valves and chambers 11 11 $19
93325 Ultrasound of heart with color-depicted blood flow, rate and valve function 11 11 $3

In context: peer comparison

Among 267 peers in Boston Anesthesiology Physician, average services per provider: 32. This provider delivers 6.0× the peer median.

Hospital affiliations

CMS Hospital Compare

Frequently asked questions

Auto-generated from federal data
What is Dr. Nelson Thaemert's medical specialty?
Dr. Nelson Thaemert practices Anesthesiology Physician in Boston, MA.
Where does Dr. Nelson Thaemert practice?
Dr. Nelson Thaemert practices at 75 Francis St Cwn L1, Boston, MA 02115. Office phone: 6177328210.
What is Dr. Nelson Thaemert's NPI?
Dr. Nelson Thaemert's National Provider Identifier (NPI) is 1245296417, issued by NPPES.
Does Dr. Nelson Thaemert accept Medicare assignment?
Yes. Dr. Nelson Thaemert accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.
What procedures does Dr. Nelson Thaemert commonly perform?
Top Medicare-reported procedures in 2023: Insertion of artery tube for blood sampling or infusion through skin (HCPCS 36620); Anesthesia for other closed procedure on chest (HCPCS 00520); Anesthesia for procedure on chest with 1 lung inflated (HCPCS 00541). Source: CMS Medicare Physician & Other Practitioners file.