Doctor profile · Federal record

Dr. KATRINA COLBY, APRN

Family Nurse Practitioner (CMS: NURSE PRACTITIONER) · WHITEFIELD, NH

  • NPI 1578178489
  • Accepts Medicare
  • 6 yrs in practice
  • Female
  • Group practice
  • No sanctions

Practice & contact

NPPES Updated May 11, 2026
Primary practice
14 KING SQ
WHITEFIELD, NH 035983346
(603) 444-8271

Credentials & registration

NPPES · NUCC
NPI registered
September 2020 — 6 yrs on file
Profile last updated
January 20, 2023
Year of graduation
2020 — 6 yrs since
Specialty taxonomy
363LF0000X — NUCC code
State license (1)
New Hampshire #053246-23

Federal sanctions & exclusions

OIG LEIE Updated May 11, 2026

No sanctions, exclusions or revocations on file

Checked against OIG LEIE on NPI 1578178489. Last verified May 11, 2026.

Medicare procedures · 2023

Top services delivered

CMS Provider Utilization
Total services
31
Distinct HCPCS
1
Medicare allowed
$260
HCPCS Description Services Patients Avg allowed
36415 Insertion of needle into vein for collection of blood sample 31 25 $8

In context: peer comparison

Among 2 peers in this city , average services per provider: 33. This provider delivers 0.9× the peer median.

Medicare Part D · 2023

Top prescriptions

CMS Part D Prescriber
Total claims
1,296
Patients
358
Total drug cost
$22,388
Drug Type Claims Patients Total cost
Atorvastatin Calcium Generic 331 90 $4,814
Lisinopril Generic 165 41 $2,145
Levothyroxine Sodium Generic 112 29 $1,637
Losartan Potassium Generic 86 24 $1,170
Metformin Hcl Generic 74 24 $855
Amlodipine Besylate Generic 66 19 $720
Gabapentin Generic 62 17 $1,703
Hydrochlorothiazide Generic 62 16 $323
Metoprolol Succinate Generic 55 15 $1,991
Simvastatin Generic 54 14 $761