Doctor profile · Federal record

Dr. Jennifer Grimmer, FNP

Nurse Practitioner · Family Nurse Practitioner · Buffalo, NY

  • NPI 1821303140
  • Accepts Medicare
  • 16 yrs in practice
  • Female
  • Group practice
  • No sanctions

Practice & contact

NPPES Updated May 11, 2026
Primary practice
Elm and Carlton Streets
Buffalo, NY 14263
(716) 845-2300
fax (716) 845-3423
Mailing address
Elm and Carlton St
Buffalo, NY 142630001

Credentials & registration

NPPES · NUCC
NPI registered
August 2010 — 16 yrs on file
Profile last updated
January 13, 2021
Year of graduation
2010 — 16 yrs since
Specialty taxonomy
363L00000X — NUCC code
State license (1)
New York #F336343

Federal sanctions & exclusions

OIG LEIE Updated May 11, 2026

No sanctions, exclusions or revocations on file

Checked against OIG LEIE on NPI 1821303140. Last verified May 11, 2026.

Medicare procedures · 2023

Top services delivered

CMS Provider Utilization
Total services
78
Distinct HCPCS
1
Medicare allowed
$9,109
HCPCS Description Services Patients Avg allowed
99215 Established patient office or other outpatient visit, 40-54 minutes 78 51 $117

In context: peer comparison

Among 52 peers in Buffalo Nurse Practitioner, average services per provider: 67. This provider delivers 1.2× the peer median.

Medicare Part D · 2023

Top prescriptions

CMS Part D Prescriber
Total claims
1,045
Patients
395
Total drug cost
$50,170
Drug Type Claims Patients Total cost
Gabapentin Generic 238 88 $8,163
Duloxetine Hcl Generic 142 54 $2,169
Oxycodone Hcl Generic 132 55 $2,839
Methadone Hcl Generic 124 43 $3,368
Lidocaine Generic 120 56 $10,894
Baclofen Generic 58 30 $1,776
Oxcarbazepine Generic 57 20 $2,600
Pregabalin Generic 55 26 $1,753
Morphine Sulfate ER (Morphine Sulfate) Brand 24 0 $2,387
Hydromorphone Hcl Generic 23 11 $673

Frequently asked questions

Auto-generated from federal data
What is Dr. Jennifer Grimmer's medical specialty?
Dr. Jennifer Grimmer practices Nurse Practitioner in Buffalo, NY.
Where does Dr. Jennifer Grimmer practice?
Dr. Jennifer Grimmer practices at Elm and Carlton Streets, Buffalo, NY 14263. Office phone: 7168452300.
What is Dr. Jennifer Grimmer's NPI?
Dr. Jennifer Grimmer's National Provider Identifier (NPI) is 1821303140, issued by NPPES.
Does Dr. Jennifer Grimmer accept Medicare assignment?
Yes. Dr. Jennifer Grimmer accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.
What procedures does Dr. Jennifer Grimmer commonly perform?
Top Medicare-reported procedures in 2023: Established patient office or other outpatient visit (HCPCS 99215). Source: CMS Medicare Physician & Other Practitioners file.