NPPES file of Aug 9, 2026

Matthew David Harnden, FNP-C

Family Nurse Practitioner · Lewiston, ME

Matthew David Harnden, FNP-C is a family nurse practitioner with a practice address in Lewiston, Maine, and NPI 1417365099, issued on Jul 28, 2014. Check the license (Maine CNP141035, as entered in NPPES) with the Maine board that licenses this profession; the Medicare figures below come from public CMS files.

Record from CMS NPPES, file of Aug 9, 2026 · Medicare files 2024 · method · Verify with CMS →

NPPES recordNPPES file of Aug 9, 2026
1417365099
Name
Matthew David Harnden
Credential
FNP-C
Primary taxonomy
Family Nurse Practitioner 363LF0000X
License number
CNP141035 ME
Self-reported in NPPES; status is on the state search
Practice location
15 Mollison Way, Lewiston, ME 04240
Phone
(207) 777-4440
Enumerated
Jul 28, 2014
Record last updated
Apr 3, 2019 (not updated in 7 years: call before relying on the address or phone)
Fax
(207) 777-8197
Medicare enrollment
Enrolled (PECOS I20140919000219); accepts Medicare assignment
Telehealth
Offers telehealth (CMS)
Entity
Type 1 · individual
Public record from CMS NPPES (open it on the CMS NPI Registry). Enrollment, assignment, school and telehealth: CMS Doctors and Clinicians file, Aug 2026. A record is not a license: verify it with the state board.
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Also registered at 15 Mollison Way

A shared address usually means a shared clinic or building; it does not show who employs whom.

  1. Mina Assadollahzadeh, DOFamily Medicine Physician1487068698
  2. Jonathan Burnham, LMSW-CCClinical Social Worker1710768056
  3. Robin Dobrinick, FNPFamily Nurse Practitioner1710404769
  4. Margaret Gardiner, FNPFamily Nurse Practitioner1134468044
  5. Carley Laverriere, FNPFamily Nurse Practitioner1558982215
  6. Jeffrey Michaud, DOFamily Medicine Physician1407885213

Verify Matthew David Harnden in five checks

  1. 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
  2. 2LicenseActive license and public ordersWhich Maine board licenses this profession
    Search for license CNP141035
    Check the board
  3. 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
  4. 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
  5. 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
Find the Maine license search

PlainDoctor does not match the HHS-OIG exclusion list to individual records: most entries carry no NPI. Search the OIG exclusion list by name.

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4.7 times the Medicare Part D claims of the average family nurse practitioner in 2024

6,127 Medicare Part D claims for 351 beneficiaries, against an average of 1,305 among the 140,557 providers of this specialty who prescribed in Part D. Brand-name drugs were 15% of claims. 177 claims were for opioids.

  1. Matthew Harnden6,127
  2. Specialty average1,305

Most prescribed

  1. Atorvastatin Calcium537 claims
  2. Levothyroxine Sodium286 claims
  3. Lisinopril226 claims
  4. Losartan Potassium199 claims
  5. Amlodipine Besylate168 claims
  6. Pantoprazole Sodium162 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

  1. St Marys Regional Medical CenterLewiston, ME

Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).

Matthew David Harnden among 1,274 family nurse practitioner records in Maine

Matthew David Harnden, FNP-C is one of 1,274 family nurse practitioner records with a practice address in Maine. 77% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2014, is newer than 40% of them.

  • NPI issued2014 · 40% of these records are older, 57% newer
  • In a Medicare fileYes · 77% of these records are
  • In the CMS Doctors and Clinicians fileYes · 64% of these records are
  • Graduated2014 · median 2018 among the 811 with a school on file
  • Record last updated2019 · 46% of these records were not updated in five years or more

Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 363LF0000X and a Maine practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).

68 family nurse practitioner records list a practice address in Lewiston

They are 68 of the 1,728 NPPES records with a practice address in Lewiston, and 1,274 family nurse practitioner records in Maine.

The 8 family nurse practitioner records with the nearest ZIP codes

  1. Sarah Adams, NPLewiston, ME 042401891933677
  2. Catherine Clement, NPLewiston, ME 042401437139698
  3. Lisa Decesare, NPLewiston, ME 042401922300870
  4. Lynn Dumont, NPLewiston, ME 042401366755928
  5. Tammy Gannaway, FNPLewiston, ME 042401376872606
  6. Candice Hammerton, NPLewiston, ME 042401558306910
  7. Carrissa Hankins, FNP-CLewiston, ME 042401619203270
  8. Lisa Kelsen, FNP-BCLewiston, ME 042401609801729

Common questions

What is Matthew David Harnden, FNP-C's NPI number?

Matthew David Harnden, FNP-C's National Provider Identifier (NPI) is 1417365099, issued on Jul 28, 2014. An NPI identifies a provider in billing; it is not a license.

Where is Matthew David Harnden, FNP-C located?

The NPPES record lists a practice address at 15 Mollison Way, Lewiston, ME, 04240. Phone: (207) 777-4440. Providers update this record themselves, so call before visiting.

How can I verify Matthew David Harnden, FNP-C's license?

NPPES lists Maine license number CNP141035, as entered by the provider. Search the Maine board that licenses this profession; the NPPES record confirms identity only.

How much does Matthew David Harnden, FNP-C prescribe under Medicare Part D?

In 2024, Matthew David Harnden, FNP-C had 6,127 Medicare Part D claims for 351 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.