Doctor profile · Federal record

Dr. Sean Fitzpatrick, MD

Nephrology Physician (CMS: Nephrology) · Nashua, NH

  • NPI 1831269299
  • Accepts Medicare
  • 37 yrs in practice
  • Male
  • Group practice
  • No sanctions

Practice & contact

NPPES Updated May 11, 2026
Primary practice
38 Tyler St
Nashua, NH 030602943
(603) 882-2921
fax (603) 882-8676

Credentials & registration

NPPES · NUCC
NPI registered
November 2006 — 20 yrs on file
Profile last updated
July 22, 2013
Year of graduation
1989 — 37 yrs since
Specialty taxonomy
207RN0300X — NUCC code
State license (1)
New Hampshire #9094
Medicaid
NH #80003022

Federal sanctions & exclusions

OIG LEIE Updated May 11, 2026

No sanctions, exclusions or revocations on file

Checked against OIG LEIE on NPI 1831269299. Last verified May 11, 2026.

Medicare procedures · 2023

Top services delivered

CMS Provider Utilization
Total services
2,019
Distinct HCPCS
10
Medicare allowed
$316,477
HCPCS Description Services Patients Avg allowed
99213 Established patient office or other outpatient visit, 20-29 minutes 497 310 $90
90960 Dialysis services, 4 or more physician visits per month (20 years or older) 422 76 $358
99232 Subsequent hospital care with moderate levelof medical decision making, if using time, at least 35 minutes 193 102 $78
96372 Injection of drug or substance under skin or into muscle 158 38 $14
99214 Established patient office or other outpatient visit, 30-39 minutes 132 90 $126
99233 Subsequent hospital care with moderate levelof medical decision making, if using time, at least 50 minutes 122 70 $118
90961 Dialysis services, 2-3 physician visits per month (20 years or older) 109 42 $298
99212 Established patient office or other outpatient visit, 10-19 minutes 79 67 $57
J3420 Injection, vitamin b-12 cyanocobalamin, up to 1000 mcg 77 17 $2
90966 Home dialysis services per month (20 years or older) 73 12 $300

In context: peer comparison

Among 3 peers in this city , average services per provider: 109. This provider delivers 19× the peer median.

Open Payments

Industry payments received

CMS Open Payments
All-time total
$23
Transactions
1
Manufacturers
1
Payer (manufacturer) Industry Txns Amount
Medtronic, Inc. 1 $23.23

By nature of payment

Food and Beverage
$23

Medicare Part D · 2023

Top prescriptions

CMS Part D Prescriber
Total claims
971
Patients
375
Total drug cost
$34,498
Drug Type Claims Patients Total cost
Calcitriol Generic 147 64 $3,409
Amlodipine Besylate Generic 99 44 $912
Furosemide Generic 92 39 $671
Valsartan Generic 89 35 $3,337
Lisinopril Generic 88 39 $691
Metoprolol Succinate Generic 60 22 $2,006
Pantoprazole Sodium Generic 55 24 $1,289
Hydrochlorothiazide Generic 54 22 $369
Doxazosin Mesylate Generic 47 20 $1,441
Losartan Potassium Generic 45 20 $714

Hospital affiliations

CMS Hospital Compare

Frequently asked questions

Auto-generated from federal data
What is Dr. Sean Fitzpatrick's medical specialty?
Dr. Sean Fitzpatrick practices Nephrology Physician in Nashua, NH.
Where does Dr. Sean Fitzpatrick practice?
Dr. Sean Fitzpatrick practices at 38 Tyler St, Nashua, NH 030602943. Office phone: 6038822921.
What is Dr. Sean Fitzpatrick's NPI?
Dr. Sean Fitzpatrick's National Provider Identifier (NPI) is 1831269299, issued by NPPES.
Does Dr. Sean Fitzpatrick accept Medicare assignment?
Yes. Dr. Sean Fitzpatrick accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.
What procedures does Dr. Sean Fitzpatrick commonly perform?
Top Medicare-reported procedures in 2023: Established patient office or other outpatient visit (HCPCS 99213); Dialysis services, 4 or more physician visits per month (20 years or older) (HCPCS 90960); Subsequent hospital care with moderate levelof medical decision making (HCPCS 99232). Source: CMS Medicare Physician & Other Practitioners file.