Doctor profile · Federal record

Dr. Katherine Hamilton

Medical Physician Assistant (CMS: Physician Assistant) · Nashua, NH

  • NPI 1376921692
  • Accepts Medicare
  • 12 yrs in practice
  • Female
  • Group practice
  • No sanctions

Practice & contact

NPPES Updated May 11, 2026
Primary practice
8 Prospect St
Nashua, NH 030603925
(603) 577-2000

Credentials & registration

NPPES · NUCC
NPI registered
May 2015 — 11 yrs on file
Year of graduation
2014 — 12 yrs since
Specialty taxonomy
363AM0700X — NUCC code
State license (1)
New Hampshire #1096

Federal sanctions & exclusions

OIG LEIE Updated May 11, 2026

No sanctions, exclusions or revocations on file

Checked against OIG LEIE on NPI 1376921692. Last verified May 11, 2026.

Medicare procedures · 2023

Top services delivered

CMS Provider Utilization
Total services
384
Distinct HCPCS
7
Medicare allowed
$39,261
HCPCS Description Services Patients Avg allowed
99232 Subsequent hospital care with moderate levelof medical decision making, if using time, at least 35 minutes 116 74 $67
99214 Established patient office or other outpatient visit, 30-39 minutes 111 98 $109
99233 Subsequent hospital care with moderate levelof medical decision making, if using time, at least 50 minutes 56 43 $100
99215 Established patient office or other outpatient visit, 40-54 minutes 53 51 $152
99223 Initial hospital care with moderate level of medical decision making, if using time, at least 75 minutes 19 19 $146
99239 Hospital discharge day management, more than 30 minutes 16 16 $97
99222 Initial hospital care with straightforward or low-level medical decision making, if using time, at least 55 minutes 13 13 $110

In context: peer comparison

Among 13 peers in Nashua Medical Physician Assistant, average services per provider: 92. This provider delivers 4.2× the peer median.

Open Payments

Industry payments received

CMS Open Payments
All-time total
$361
Transactions
10
Manufacturers
5
Payer (manufacturer) Industry Txns Amount
AstraZeneca Pharmaceuticals Lp 4 $228.44
Pfizer INC. 3 $65.36
Boehringer Ingelheim Pharmaceuticals, INC. 1 $30.08
Novartis Pharmaceuticals Corporation 1 $21.74
Scpharmaceuticals INC. 1 $15.64

By nature of payment

Food and Beverage
$272
Education
$89

Medicare Part D · 2023

Top prescriptions

CMS Part D Prescriber
Total claims
3,656
Patients
1,405
Total drug cost
$867,353
Drug Type Claims Patients Total cost
Metoprolol Succinate Generic 512 210 $10,380
Eliquis (Apixaban) Brand 493 151 $560,435
Atorvastatin Calcium Generic 484 186 $8,468
Rosuvastatin Calcium Generic 307 125 $7,987
Amlodipine Besylate Generic 274 113 $2,030
Metoprolol Tartrate Generic 250 96 $2,763
Furosemide Generic 204 77 $1,011
Xarelto (Rivaroxaban) Brand 186 67 $259,186
Lisinopril Generic 185 79 $1,459
Carvedilol Generic 162 60 $1,827

Frequently asked questions

Auto-generated from federal data
What is Dr. Katherine Hamilton's medical specialty?
Dr. Katherine Hamilton practices Medical Physician Assistant in Nashua, NH.
Where does Dr. Katherine Hamilton practice?
Dr. Katherine Hamilton practices at 8 Prospect St, Nashua, NH 030603925. Office phone: 6035772000.
What is Dr. Katherine Hamilton's NPI?
Dr. Katherine Hamilton's National Provider Identifier (NPI) is 1376921692, issued by NPPES.
Does Dr. Katherine Hamilton accept Medicare assignment?
Yes. Dr. Katherine Hamilton accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.
What procedures does Dr. Katherine Hamilton commonly perform?
Top Medicare-reported procedures in 2023: Subsequent hospital care with moderate levelof medical decision making (HCPCS 99232); Established patient office or other outpatient visit (HCPCS 99214); Subsequent hospital care with moderate levelof medical decision making (HCPCS 99233). Source: CMS Medicare Physician & Other Practitioners file.