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 Whitefield Family Nurse Practitioner, 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

Frequently asked questions

Auto-generated from federal data
What is Dr. Katrina Colby's medical specialty?
Dr. Katrina Colby practices Family Nurse Practitioner in Whitefield, NH.
Where does Dr. Katrina Colby practice?
Dr. Katrina Colby practices at 14 King Sq, Whitefield, NH 035983346. Office phone: 6034448271.
What is Dr. Katrina Colby's NPI?
Dr. Katrina Colby's National Provider Identifier (NPI) is 1578178489, issued by NPPES.
Does Dr. Katrina Colby accept Medicare assignment?
Yes. Dr. Katrina Colby accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.
What procedures does Dr. Katrina Colby commonly perform?
Top Medicare-reported procedures in 2023: Insertion of needle into vein for collection of blood sample (HCPCS 36415). Source: CMS Medicare Physician & Other Practitioners file.