Katrina L. Colby, APRN
Family Nurse Practitioner · Whitefield, NH
Katrina L. Colby, APRN is a family nurse practitioner with a practice address in Whitefield, New Hampshire, and NPI 1578178489, issued on Sep 9, 2020. Check the license (New Hampshire 053246-23, as entered in NPPES) with the New Hampshire board that licenses this profession; the Medicare figures below come from public CMS files.
- Name
- Katrina L. Colby
- Credential
- APRN
- Primary taxonomy
- Family Nurse Practitioner 363LF0000X
- License number
- 053246-23 NH
Self-reported in NPPES; status is on the state search - Practice location
- 14 King SQ, Whitefield, NH 03598
- Phone
- (603) 444-8271
- Enumerated
- Sep 9, 2020
- Record last updated
- Jan 20, 2023
- Medicare enrollment
- Enrolled (PECOS I20201124003330); accepts Medicare assignment
- Entity
- Type 1 · individual
Also registered at 14 King SQ
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Chelsea ArsenaultSchool Psychologist1477174738
- Melissa Buddensee, M.D.Family Medicine Physician1962630202
- Evelyn Hagan, ARNPFamily Nurse Practitioner1932171493
- Keri Stiles, APRNFamily Nurse Practitioner1477115053
Verify Katrina L. Colby in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersWhich New Hampshire board licenses this profession
Search for license 053246-23Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
2.6 times the Medicare Part D claims of the average family nurse practitioner in 2024
3,423 Medicare Part D claims for 241 beneficiaries, against an average of 1,305 among the 140,557 providers of this specialty who prescribed in Part D. Brand-name drugs were 12% of claims. 36 claims were for opioids.
Most prescribed
- Atorvastatin Calcium395 claims
- Lisinopril164 claims
- Losartan Potassium124 claims
- Levothyroxine Sodium116 claims
- Metformin Hcl95 claims
- Amlodipine Besylate91 claims
Source: CMS Medicare Part D Prescribers by Provider and Drug, 2024 (data.cms.gov). Part D covers prescriptions for Medicare patients only; drugs with fewer than 11 claims are not published.
Bills Medicare through one group practice
- Ammonoosuc Community Health Services, Inc.Whitefield, NH
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
5 family nurse practitioner records list a practice address in Whitefield
They are 5 of the 43 NPPES records with a practice address in Whitefield, and 1,377 family nurse practitioner records in New Hampshire.
All 5 in Whitefield → All 1,377 in New Hampshire → Every provider in Whitefield →
Other family nurse practitioner records in New Hampshire
- Elibel AbanillaDerry, NH1043776511
- Maria Abbate, NPLebanon, NH1669683637
- Judith Abbe, APRNConcord, NH1528057031
- Cara Abbott, APRNLee, NH1285132258
- Kristina Abbott, FNP-CKeene, NH1578368916
- Lauren Abbott, APRNDerry, NH1093137820
- McCall Abbott, APRNLebanon, NH1396292454
- Janet Abreu, APRNPelham, NH1225447691
- Elizandra Adams, FNPWindham, NH1699529123
- Jenna Adams, N.P.Portsmouth, NH1235687658
Common questions
What is Katrina L. Colby, APRN's NPI number?
Katrina L. Colby, APRN's National Provider Identifier (NPI) is 1578178489, issued on Sep 9, 2020. An NPI identifies a provider in billing; it is not a license.
Where is Katrina L. Colby, APRN located?
The NPPES record lists a practice address at 14 King SQ, Whitefield, NH, 03598. Phone: (603) 444-8271. Providers update this record themselves, so call before visiting.
How can I verify Katrina L. Colby, APRN's license?
NPPES lists New Hampshire license number 053246-23, as entered by the provider. Search the New Hampshire board that licenses this profession; the NPPES record confirms identity only.
How much does Katrina L. Colby, APRN prescribe under Medicare Part D?
In 2024, Katrina L. Colby, APRN had 3,423 Medicare Part D claims for 241 beneficiaries; the average among family nurse practitioner prescribers was 1,305. Part D covers Medicare prescriptions only.
Source: CMS National Plan and Provider Enumeration System (NPPES), file of Aug 9, 2026 (NPPES files on CMS.gov); NUCC Health Care Provider Taxonomy. Medicare files from data.cms.gov. An NPI identifies who bills; it is not a license.
Figures on PlainDoctor are read from the federal files each page names (CMS NPPES, Medicare Part D, MIPS, Open Payments; the HHS-OIG exclusion list only as counts) and from Census population estimates, with the file date shown beside them. See our editorial standards & corrections policy, the methodology behind these numbers, or report a data error. Data current as of Aug 9, 2026.