Doctor profile · Federal record

Dr. Sandra Klein, CRNA

Certified Registered Nurse Anesthetist (CMS: Certified Registered Nurse Anesthetist (CRNA)) · Boston, MA

  • NPI 1558684811
  • Accepts Medicare
  • 16 yrs in practice
  • Female
  • Group practice
  • No sanctions

Practice & contact

NPPES Updated May 11, 2026
Primary practice
55 Fruit St. Gray-Bigelow 444,, Massachusetts General Hospital Department of Anesthesia
Boston, MA 02114
(617) 726-3030
Mailing address
44 Washington St Apt 214
Brookline, MA 024457104

Credentials & registration

NPPES · NUCC
NPI registered
March 2010 — 16 yrs on file
Year of graduation
2010 — 16 yrs since
Specialty taxonomy
367500000X — NUCC code
State license (1)
Massachusetts #279944

Federal sanctions & exclusions

OIG LEIE Updated May 11, 2026

No sanctions, exclusions or revocations on file

Checked against OIG LEIE on NPI 1558684811. Last verified May 11, 2026.

Medicare procedures · 2023

Top services delivered

CMS Provider Utilization
Total services
387
Distinct HCPCS
2
Medicare allowed
$26,507
HCPCS Description Services Patients Avg allowed
00104 Anesthesia for electroshock therapy 359 131 $51
00537 Anesthesia for procedure to assess heart electrical activity 28 28 $292

In context: peer comparison

Among 104 peers in Boston Certified Registered Nurse Anesthetist, average services per provider: 30. This provider delivers 13× the peer median.

Frequently asked questions

Auto-generated from federal data
What is Dr. Sandra Klein's medical specialty?
Dr. Sandra Klein practices Certified Registered Nurse Anesthetist in Boston, MA.
Where does Dr. Sandra Klein practice?
Dr. Sandra Klein practices at 55 Fruit St. Gray-Bigelow 444,, Boston, MA 02114. Office phone: 6177263030.
What is Dr. Sandra Klein's NPI?
Dr. Sandra Klein's National Provider Identifier (NPI) is 1558684811, issued by NPPES.
Does Dr. Sandra Klein accept Medicare assignment?
Yes. Dr. Sandra Klein accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.
What procedures does Dr. Sandra Klein commonly perform?
Top Medicare-reported procedures in 2023: Anesthesia for electroshock therapy (HCPCS 00104); Anesthesia for procedure to assess heart electrical activity (HCPCS 00537). Source: CMS Medicare Physician & Other Practitioners file.