Doctor profile · Federal record

Dr. Keith Baker, MD PHD

Anesthesiology Physician (CMS: Anesthesiology) · Boston, MA

  • NPI 1962493510
  • Accepts Medicare
  • 34 yrs in practice
  • Male
  • No sanctions

Practice & contact

NPPES Updated May 11, 2026
Primary practice
55 Fruit St, Cln 3
Boston, MA 021142696
(617) 726-3030
fax (617) 724-8500
Mailing address
Po Box 9142
Charlestown, MA 021299142

Credentials & registration

NPPES · NUCC
NPI registered
November 2005 — 21 yrs on file
Profile last updated
July 8, 2007
Year of graduation
1992 — 34 yrs since
Specialty taxonomy
207L00000X — NUCC code
State license (1)
Massachusetts #81303
Medicaid
MA #3155242

Federal sanctions & exclusions

OIG LEIE Updated May 11, 2026

No sanctions, exclusions or revocations on file

Checked against OIG LEIE on NPI 1962493510. Last verified May 11, 2026.

Medicare procedures · 2023

Top services delivered

CMS Provider Utilization
Total services
127
Distinct HCPCS
5
Medicare allowed
$32,308
HCPCS Description Services Patients Avg allowed
00731 Anesthesia for other procedure on esophagus, stomach, or upper small bowel using an endoscope 39 38 $133
36620 Insertion of artery tube for blood sampling or infusion through skin 26 26 $46
00520 Anesthesia for other closed procedure on chest 24 24 $284
00790 Anesthesia for other procedure on upper abdomen 20 20 $366
00541 Anesthesia for procedure on chest with 1 lung inflated 18 17 $655

In context: peer comparison

Among 267 peers in Boston Anesthesiology Physician, average services per provider: 32. This provider delivers 4.0× the peer median.

Frequently asked questions

Auto-generated from federal data
What is Dr. Keith Baker's medical specialty?
Dr. Keith Baker practices Anesthesiology Physician in Boston, MA.
Where does Dr. Keith Baker practice?
Dr. Keith Baker practices at 55 Fruit St, Boston, MA 021142696. Office phone: 6177263030.
What is Dr. Keith Baker's NPI?
Dr. Keith Baker's National Provider Identifier (NPI) is 1962493510, issued by NPPES.
Does Dr. Keith Baker accept Medicare assignment?
Yes. Dr. Keith Baker accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.
What procedures does Dr. Keith Baker commonly perform?
Top Medicare-reported procedures in 2023: Anesthesia for other procedure on esophagus, stomach, or upper small bowel using an endoscope (HCPCS 00731); Insertion of artery tube for blood sampling or infusion through skin (HCPCS 36620); Anesthesia for other closed procedure on chest (HCPCS 00520). Source: CMS Medicare Physician & Other Practitioners file.