Doctor profile · Federal record

Dr. Nicholas Kershbaumer, APRN

Primary Care Nurse Practitioner (CMS: Nurse Practitioner) · Amherst, NH

  • NPI 1821519836
  • Accepts Medicare
  • 10 yrs in practice
  • Male
  • Group practice
  • No sanctions

Practice & contact

NPPES Updated May 11, 2026
Primary practice
199 Route 101, Meeting Place Plaza
Amherst, NH 03031
(603) 249-3000
Mailing address
Po Box 1220
Amherst, NH 030311220

Credentials & registration

NPPES · NUCC
NPI registered
June 2017 — 9 yrs on file
Year of graduation
2016 — 10 yrs since
Specialty taxonomy
363LP2300X — NUCC code
State license (1)
New Hampshire #067955-23

Federal sanctions & exclusions

OIG LEIE Updated May 11, 2026

No sanctions, exclusions or revocations on file

Checked against OIG LEIE on NPI 1821519836. Last verified May 11, 2026.

Medicare procedures · 2023

Top services delivered

CMS Provider Utilization
Total services
201
Distinct HCPCS
2
Medicare allowed
$13,867
HCPCS Description Services Patients Avg allowed
99213 Established patient office or other outpatient visit, 20-29 minutes 102 85 $56
99214 Established patient office or other outpatient visit, 30-39 minutes 99 79 $83

In context: peer comparison

Among 1 peers in this city , average services per provider: 100. This provider delivers 2.0× the peer median.

Open Payments

Industry payments received

CMS Open Payments
All-time total
$82
Transactions
2
Manufacturers
2
Payer (manufacturer) Industry Txns Amount
Janssen Pharmaceuticals, Inc 1 $50.01
Novo Nordisk Inc 1 $31.75

By nature of payment

Food and Beverage
$82

Medicare Part D · 2023

Top prescriptions

CMS Part D Prescriber
Total claims
262
Patients
126
Total drug cost
$3,215
Drug Type Claims Patients Total cost
Atorvastatin Calcium Generic 40 22 $582
Prednisone Generic 36 34 $157
Doxycycline Hyclate Generic 20 18 $306
Albuterol Sulfate Hfa (Albuterol Sulfate) Brand 18 13 $452
Amoxicillin-Clavulanate Potass (Amoxicillin/Potassium Clav) Brand 18 15 $154
Levothyroxine Sodium Generic 17 11 $282
Omeprazole Generic 15 0 $389
Duloxetine Hcl Generic 14 0 $173
Pantoprazole Sodium Generic 14 0 $240
Amlodipine Besylate Generic 13 0 $77

Hospital affiliations

CMS Hospital Compare

Frequently asked questions

Auto-generated from federal data
What is Dr. Nicholas Kershbaumer's medical specialty?
Dr. Nicholas Kershbaumer practices Primary Care Nurse Practitioner in Amherst, NH.
Where does Dr. Nicholas Kershbaumer practice?
Dr. Nicholas Kershbaumer practices at 199 Route 101, Amherst, NH 03031. Office phone: 6032493000.
What is Dr. Nicholas Kershbaumer's NPI?
Dr. Nicholas Kershbaumer's National Provider Identifier (NPI) is 1821519836, issued by NPPES.
Does Dr. Nicholas Kershbaumer accept Medicare assignment?
Yes. Dr. Nicholas Kershbaumer accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.
What procedures does Dr. Nicholas Kershbaumer commonly perform?
Top Medicare-reported procedures in 2023: Established patient office or other outpatient visit (HCPCS 99213); Established patient office or other outpatient visit (HCPCS 99214). Source: CMS Medicare Physician & Other Practitioners file.