Doctor profile · Federal record

Dr. Michael Grabach, CRNA

Certified Registered Nurse Anesthetist (CMS: Certified Registered Nurse Anesthetist (CRNA)) · Keene, NH

  • NPI 1386939643
  • Accepts Medicare
  • 15 yrs in practice
  • Male
  • Group practice
  • No sanctions

Practice & contact

NPPES Updated May 11, 2026
Primary practice
580 Court Street, Anesthesiology Dept
Keene, NH 03431
(603) 354-6534
fax (603) 354-6535

Credentials & registration

NPPES · NUCC
NPI registered
June 2011 — 15 yrs on file
Year of graduation
2011 — 15 yrs since
Specialty taxonomy
367500000X — NUCC code
State license (1)
New Hampshire #064241-23

Federal sanctions & exclusions

OIG LEIE Updated May 11, 2026

No sanctions, exclusions or revocations on file

Checked against OIG LEIE on NPI 1386939643. Last verified May 11, 2026.

Medicare procedures · 2023

Top services delivered

CMS Provider Utilization
Total services
35
Distinct HCPCS
3
Medicare allowed
$4,359
HCPCS Description Services Patients Avg allowed
00530 Anesthesia for insertion of permanent heart pacemaker 12 12 $103
00731 Anesthesia for other procedure on esophagus, stomach, or upper small bowel using an endoscope 12 12 $73
00790 Anesthesia for other procedure on upper abdomen 11 11 $204

In context: peer comparison

Among 4 peers in Keene Certified Registered Nurse Anesthetist, average services per provider: 30. This provider delivers 1.2× the peer median.

Open Payments

Industry payments received

CMS Open Payments
All-time total
$15
Transactions
1
Manufacturers
1
Payer (manufacturer) Industry Txns Amount
Merck Sharp & Dohme LLC 1 $15.16

By nature of payment

Food and Beverage
$15

Frequently asked questions

Auto-generated from federal data
What is Dr. Michael Grabach's medical specialty?
Dr. Michael Grabach practices Certified Registered Nurse Anesthetist in Keene, NH.
Where does Dr. Michael Grabach practice?
Dr. Michael Grabach practices at 580 Court Street, Keene, NH 03431. Office phone: 6033546534.
What is Dr. Michael Grabach's NPI?
Dr. Michael Grabach's National Provider Identifier (NPI) is 1386939643, issued by NPPES.
Does Dr. Michael Grabach accept Medicare assignment?
Yes. Dr. Michael Grabach accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.
What procedures does Dr. Michael Grabach commonly perform?
Top Medicare-reported procedures in 2023: Anesthesia for insertion of permanent heart pacemaker (HCPCS 00530); Anesthesia for other procedure on esophagus, stomach, or upper small bowel using an endoscope (HCPCS 00731); Anesthesia for other procedure on upper abdomen (HCPCS 00790). Source: CMS Medicare Physician & Other Practitioners file.