Doctor profile · Federal record

Dr. Benjamin Grimmnitz, MD

Emergency Medicine Physician (CMS: Emergency Medicine) · Boston, MA

  • NPI 1962745539
  • Accepts Medicare
  • MIPS 91.6 / 100 · 2023
  • 13 yrs in practice
  • Male
  • Group practice
  • No sanctions

Practice & contact

NPPES Updated May 11, 2026
Primary practice
1 Boston Medical Ctr Pl, Dowling 1 South Room 1322
Boston, MA 021182908
(617) 414-4929

Credentials & registration

NPPES · NUCC
NPI registered
April 2013 — 13 yrs on file
Profile last updated
July 18, 2016
Year of graduation
2013 — 13 yrs since
Specialty taxonomy
207P00000X — NUCC code
State license (1)
Massachusetts #256208

Federal sanctions & exclusions

OIG LEIE Updated May 11, 2026

No sanctions, exclusions or revocations on file

Checked against OIG LEIE on NPI 1962745539. Last verified May 11, 2026.

Medicare procedures · 2023

Top services delivered

CMS Provider Utilization
Total services
452
Distinct HCPCS
5
Medicare allowed
$64,676
HCPCS Description Services Patients Avg allowed
99285 Emergency department visit with high level of medical decision making 224 221 $184
93042 Electrocardiogram (ecg) 1 to 3 leads with review by physician only 90 90 $7
99284 Emergency department visit with moderate level of medical decision making 78 77 $127
99291 Critical care, first 30-74 minutes 47 46 $225
99223 Initial hospital care with moderate level of medical decision making, if using time, at least 75 minutes 13 12 $185

In context: peer comparison

Among 183 peers in Boston Emergency Medicine Physician, average services per provider: 65. This provider delivers 7.0× the peer median.

Medicare Part D · 2023

Top prescriptions

CMS Part D Prescriber
Total claims
12
Patients
12
Total drug cost
$129
Drug Type Claims Patients Total cost
Ondansetron Odt (Ondansetron) Brand 12 12 $129

Frequently asked questions

Auto-generated from federal data
What is Dr. Benjamin Grimmnitz's medical specialty?
Dr. Benjamin Grimmnitz practices Emergency Medicine Physician in Boston, MA.
Where does Dr. Benjamin Grimmnitz practice?
Dr. Benjamin Grimmnitz practices at 1 Boston Medical Ctr Pl, Boston, MA 021182908. Office phone: 6174144929.
What is Dr. Benjamin Grimmnitz's NPI?
Dr. Benjamin Grimmnitz's National Provider Identifier (NPI) is 1962745539, issued by NPPES.
Does Dr. Benjamin Grimmnitz accept Medicare assignment?
Yes. Dr. Benjamin Grimmnitz accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.
What procedures does Dr. Benjamin Grimmnitz commonly perform?
Top Medicare-reported procedures in 2023: Emergency department visit with high level of medical decision making (HCPCS 99285); Electrocardiogram (ecg) 1 to 3 leads with review by physician only (HCPCS 93042); Emergency department visit with moderate level of medical decision making (HCPCS 99284). Source: CMS Medicare Physician & Other Practitioners file.