Doctor profile · Federal record

Dr. Elizabeth Gruber, RN, MSN, PMHNP-BC

Psychiatric/Mental Health Nurse Practitioner (CMS: Nurse Practitioner) · Adult Psychiatric/Mental Health Registered Nurse · Cohasset, MA

  • NPI 1487041844
  • Accepts Medicare
  • 11 yrs in practice
  • Female
  • Solo practice
  • No sanctions

Practice & contact

NPPES Updated May 11, 2026
Primary practice
759 Cjc Hwy # 226
Cohasset, MA 020252115
(781) 307-0505

Credentials & registration

NPPES · NUCC
NPI registered
April 2015 — 11 yrs on file
Profile last updated
December 9, 2024
Year of graduation
2015 — 11 yrs since
Specialty taxonomy
363LP0808X — NUCC code
State license (1)
Massachusetts #RN198037

Federal sanctions & exclusions

OIG LEIE Updated May 11, 2026

No sanctions, exclusions or revocations on file

Checked against OIG LEIE on NPI 1487041844. Last verified May 11, 2026.

Medicare procedures · 2023

Top services delivered

CMS Provider Utilization
Total services
1,734
Distinct HCPCS
10
Medicare allowed
$166,997
HCPCS Description Services Patients Avg allowed
99309 Subsequent nursing facility care with moderate level of medical decision making, per day, if using time, at least 30 minutes 441 123 $93
99308 Subsequent nursing facility care with straightforward level of medical decision making, per day, if using time, at least 15 minutes 272 115 $65
99349 Residence visit for established patient with moderate level of medical decision making, per day, if using time, at least 40 minutes 199 84 $114
99348 Residence visit for established patient with low level of medical decision making, per day, if using time, at least 30 minutes 198 80 $68
99306 Initial nursing facility care with high level of medical decision making, per day, if using time, at least 45 minutes 123 110 $159
99347 Residence visit for established patient with straightforward medical decision making, per day, if using time, at least 15 minutes 118 48 $40
99309 Subsequent nursing facility care with moderate level of medical decision making, per day, if using time, at least 30 minutes 102 41 $93
99350 Residence visit for established patient with high level of medical decision making, per day, if using time, at least 60 minutes 71 49 $168
99345 Residence visit for new patient with high level of medical decision making, per day, if using time, at least 75 minutes 64 64 $180
99308 Subsequent nursing facility care with straightforward level of medical decision making, per day, if using time, at least 15 minutes 55 36 $65

In context: peer comparison

Among 3 peers in Cohasset Psychiatric/Mental Health Nurse Practitioner, average services per provider: 95. This provider delivers 18× the peer median.

Medicare Part D · 2023

Top prescriptions

CMS Part D Prescriber
Total claims
851
Patients
114
Total drug cost
$16,129
Drug Type Claims Patients Total cost
Trazodone Hcl Generic 225 36 $2,113
Escitalopram Oxalate Generic 208 38 $2,281
Mirtazapine Generic 105 15 $3,532
Olanzapine Generic 96 14 $1,291
Quetiapine Fumarate Generic 49 0 $442
Sertraline Hcl Generic 37 0 $252
Aripiprazole Generic 25 0 $4,626
Divalproex Sodium Generic 23 0 $351
Donepezil Hcl Generic 22 11 $204
Risperidone Generic 22 0 $157

Frequently asked questions

Auto-generated from federal data
What is Dr. Elizabeth Gruber's medical specialty?
Dr. Elizabeth Gruber practices Psychiatric/Mental Health Nurse Practitioner in Cohasset, MA.
Where does Dr. Elizabeth Gruber practice?
Dr. Elizabeth Gruber practices at 759 Cjc Hwy # 226, Cohasset, MA 020252115. Office phone: 7813070505.
What is Dr. Elizabeth Gruber's NPI?
Dr. Elizabeth Gruber's National Provider Identifier (NPI) is 1487041844, issued by NPPES.
Does Dr. Elizabeth Gruber accept Medicare assignment?
Yes. Dr. Elizabeth Gruber accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.
What procedures does Dr. Elizabeth Gruber commonly perform?
Top Medicare-reported procedures in 2023: Subsequent nursing facility care with moderate level of medical decision making (HCPCS 99309); Subsequent nursing facility care with straightforward level of medical decision making (HCPCS 99308); Residence visit for established patient with moderate level of medical decision making (HCPCS 99349). Source: CMS Medicare Physician & Other Practitioners file.