Jillian Littlefield, PMHNP
Psychiatric/Mental Health Nurse Practitioner · Portland, ME
Jillian Littlefield, PMHNP is a psychiatric/mental health nurse practitioner with a practice address in Portland, Maine, and NPI 1427758903, issued on Mar 3, 2023. Check the license (Maine CNP221464, as entered in NPPES) with the Maine board that licenses this profession; the Medicare figures below come from public CMS files.
- Name
- Jillian Littlefield
- Credential
- PMHNP
- Primary taxonomy
- Psychiatric/Mental Health Nurse Practitioner 363LP0808X
- License number
- CNP221464 ME
Self-reported in NPPES; status is on the state search - Practice location
- 180 Park Ave Ste 1, Portland, ME 04102
- Phone
- (207) 874-2141
- Enumerated
- Mar 3, 2023
- Record last updated
- Apr 27, 2025
- Entity
- Type 1 · individual
8 nearest psychiatric/mental health nurse practitioner records → All 472 in Maine → Look up another NPI →
Also registered at 180 Park Ave Ste 1
A shared address usually means a shared clinic or building; it does not show who employs whom.
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- Karen Clarkson, RNRegistered Nurse1689322430
- Lashawna Fitts, FNPFamily Nurse Practitioner1356035547
- Catherine Gaynor, FNP-CFamily Nurse Practitioner1790994036
- Cameron Goller, FNPCNurse Practitioner1043878648
Verify Jillian Littlefield in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersWhich Maine board licenses this profession
Search for license CNP221464Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
59% fewer Medicare Part D claims than the average psychiatric/mental health nurse practitioner in 2024
374 Medicare Part D claims for 38 beneficiaries, against an average of 906 among the 30,717 providers of this specialty who prescribed in Part D. Brand-name drugs were 6% of claims.
Most prescribed
- Lorazepam60 claims
- Lamotrigine28 claims
- Aripiprazole25 claims
- Duloxetine Hcl24 claims
- Oxcarbazepine17 claims
- Escitalopram Oxalate15 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.
Jillian Littlefield among 472 psychiatric/mental health nurse practitioner records in Maine
Jillian Littlefield, 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 2023, is newer than 75% of them.
- NPI issued2023 · 75% of these records are older, 18% newer
- In a Medicare fileYes · 76% of these records are
- In the CMS Doctors and Clinicians fileNo · 64% of these records are
- Record last updated2025 · 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).
71 psychiatric/mental health nurse practitioner records list a practice address in Portland
They are 71 of the 6,022 NPPES records with a practice address in Portland, and 472 psychiatric/mental health nurse practitioner records in Maine.
All 472 in Maine → Every provider in Portland → Psychiatric/Mental Health Nurse Practitioner nationwide →
The 8 psychiatric/mental health nurse practitioner records with the nearest ZIP codes
- Cheryl Drda, ARNPPortland, ME 041021871812107
- Heather Emerson, PMH NPPortland, ME 041021528152956
- Madeleine Garmey, NPPortland, ME 041021508876343
- Leslie Gatcombe-Hynes, APRN, ADULT PMHNP-BCPortland, ME 041021265441018
- Devon Gillis, PMHNP-BCPortland, ME 041021134673445
- Claudine Grange, PMHNPPortland, ME 041021912013442
- Barbara Howaniec, ANPPortland, ME 041021790878429
- Amy Liston, ANPPortland, ME 041021437242013
Common questions
What is Jillian Littlefield, PMHNP's NPI number?
Jillian Littlefield, PMHNP's National Provider Identifier (NPI) is 1427758903, issued on Mar 3, 2023. An NPI identifies a provider in billing; it is not a license.
Where is Jillian Littlefield, PMHNP located?
The NPPES record lists a practice address at 180 Park Ave Ste 1, Portland, ME, 04102. Phone: (207) 874-2141. Providers update this record themselves, so call before visiting.
How can I verify Jillian Littlefield, PMHNP's license?
NPPES lists Maine license number CNP221464, as entered by the provider. Search the Maine board that licenses this profession; the NPPES record confirms identity only.
How much does Jillian Littlefield, PMHNP prescribe under Medicare Part D?
In 2024, Jillian Littlefield, PMHNP had 374 Medicare Part D claims for 38 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.