Gwen C. Duffield, PMHNP
Psychiatric/Mental Health Nurse Practitioner · Pleasant Point, ME
Gwen C. Duffield, PMHNP is a psychiatric/mental health nurse practitioner with a practice address in Pleasant Point, Maine, and NPI 1033527411, issued on Jul 29, 2014. Check the license (Maine CNP141018, as entered in NPPES) with the Maine board that licenses this profession; the Medicare figures below come from public CMS files.
- Name
- Gwen C. Duffield
- Credential
- PMHNP
- Primary taxonomy
- Psychiatric/Mental Health Nurse Practitioner 363LP0808X
- License number
- CNP141018 ME
Self-reported in NPPES; status is on the state search - Practice location
- 11 Back RD, Pleasant Point, ME 04667
- Phone
- (207) 853-0644
- Enumerated
- Jul 29, 2014
- Record last updated
- Jan 3, 2017 (not updated in 9 years: call before relying on the address or phone)
- Entity
- Type 1 · individual
8 nearest psychiatric/mental health nurse practitioner records → All 472 in Maine → Look up another NPI →
Also registered at 11 Back RD
A shared address usually means a shared clinic or building; it does not show who employs whom.
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- Mary Jo Calebaugh, MDFamily Medicine Physician1740251172
- Cecilia Dias, DDSGeneral Practice Dentistry1699817452
- Frances Frey, MASSAGE THERAPISTMassage Therapist1740838341
Verify Gwen C. Duffield in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersWhich Maine board licenses this profession
Search for license CNP141018Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
74% fewer Medicare Part D claims than the average psychiatric/mental health nurse practitioner in 2024
232 Medicare Part D claims for 15 beneficiaries, against an average of 906 among the 30,717 providers of this specialty who prescribed in Part D. Brand-name drugs were 13% of claims.
Most prescribed
- Clozapine22 claims
- Gabapentin15 claims
- Trintellix14 claims
- Dextroamphetamine-Amphetamine12 claims
- Fluvoxamine Maleate12 claims
- Atorvastatin Calcium11 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.
Industry payments in 2024: $733.30
6 payments; by number, the most common kind was food and beverage; the largest payer was Otsuka America Pharmaceutical, Inc. The 23,362 providers of this specialty with any payment received $1,027.77 on average. Payments are reported by manufacturers, not by the provider, and are not a sign of wrongdoing.
Source: CMS Open Payments, program year 2024 (openpaymentsdata.cms.gov); average among providers of this specialty with at least one payment.
Gwen C. Duffield among 472 psychiatric/mental health nurse practitioner records in Maine
Gwen C. Duffield, PMHNP is one of 472 psychiatric/mental health nurse practitioner records with a practice address in Maine. 76% 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 38% of them.
- NPI issued2014 · 38% of these records are older, 59% newer
- In a Medicare fileYes · 76% of these records are
- In the CMS Doctors and Clinicians fileNo · 64% of these records are
- Record last updated2017 · 40% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 363LP0808X and a Maine practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
2 psychiatric/mental health nurse practitioner records list a practice address in Pleasant Point
They are 2 of the 20 NPPES records with a practice address in Pleasant Point, and 472 psychiatric/mental health nurse practitioner records in Maine.
All 472 in Maine → Every provider in Pleasant Point → Psychiatric/Mental Health Nurse Practitioner nationwide →
The 8 psychiatric/mental health nurse practitioner records with the nearest ZIP codes
- Tiffany Martinez, PMHNPPleasant Point, ME 046671063813962
- Judy Splittgerber, PMHNP-BC, APRNPrinceton, ME 046681003996646
- Stephanie Whitaker-Seavey, APRNIndian Twp, ME 046681770078966
- Kati Derevere, PMHNPMount Desert, ME 046601861770166
- Emily JohnsonMount Desert, ME 046601285585331
- Kathleen Olsen, NPSedgwick, ME 046761114952157
- Jennifer Doucette, PMHNPEastport, ME 046311437090065
- Ann O'Brien, APNPEastport, ME 046311609908052
Common questions
What is Gwen C. Duffield, PMHNP's NPI number?
Gwen C. Duffield, PMHNP's National Provider Identifier (NPI) is 1033527411, issued on Jul 29, 2014. An NPI identifies a provider in billing; it is not a license.
Where is Gwen C. Duffield, PMHNP located?
The NPPES record lists a practice address at 11 Back RD, Pleasant Point, ME, 04667. Phone: (207) 853-0644. Providers update this record themselves, so call before visiting.
How can I verify Gwen C. Duffield, PMHNP's license?
NPPES lists Maine license number CNP141018, as entered by the provider. Search the Maine board that licenses this profession; the NPPES record confirms identity only.
How much does Gwen C. Duffield, PMHNP prescribe under Medicare Part D?
In 2024, Gwen C. Duffield, PMHNP had 232 Medicare Part D claims for 15 beneficiaries; the average among psychiatric/mental health nurse practitioner prescribers was 906. 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.