Martha Baldwin
Psychiatric/Mental Health Nurse Practitioner · Waterville, ME
Martha Baldwin is a psychiatric/mental health nurse practitioner with a practice address in Waterville, Maine, and NPI 1891280855, issued on Jun 22, 2018. Check the license (Maine CNP181150, as entered in NPPES) with the Maine board that licenses this profession; the Medicare figures below come from public CMS files.
- Name
- Martha Baldwin
- Primary taxonomy
- Psychiatric/Mental Health Nurse Practitioner 363LP0808X
- License number
- CNP181150 ME
Self-reported in NPPES; status is on the state search - Practice location
- 40 Waterville Commons Dr # 1017, Waterville, ME 04901
- Phone
- (207) 573-2479
- Enumerated
- Jun 22, 2018
- Record last updated
- Jan 14, 2026
- Fax
- (207) 544-5168
- Medicare enrollment
- Enrolled (PECOS I20180827000763); accepts Medicare assignment
- Telehealth
- Offers telehealth (CMS)
- Entity
- Type 1 · individual
8 nearest psychiatric/mental health nurse practitioner records → All 472 in Maine → Look up another NPI →
Verify Martha Baldwin in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersWhich Maine board licenses this profession
Search for license CNP181150Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
43% fewer Medicare Part D claims than the average psychiatric/mental health nurse practitioner in 2024
516 Medicare Part D claims for 24 beneficiaries, against an average of 906 among the 30,717 providers of this specialty who prescribed in Part D. Brand-name drugs were 3% of claims.
Most prescribed
- Mirtazapine39 claims
- Clozapine32 claims
- Dextroamphetamine-Amphetamine28 claims
- Alprazolam26 claims
- Aripiprazole25 claims
- Lorazepam25 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: $225.02
3 payments; by number, the most common kind was food and beverage; the largest payer was Janssen Pharmaceuticals, 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.
Bills Medicare through one group practice
- SweetserBrunswick, ME
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Martha Baldwin among 472 psychiatric/mental health nurse practitioner records in Maine
Martha Baldwin 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 2018, is newer than 49% of them.
- NPI issued2018 · 49% of these records are older, 46% newer
- In a Medicare fileYes · 76% of these records are
- In the CMS Doctors and Clinicians fileYes · 64% of these records are
- Graduated2018 · median 2019 among the 303 with a school on file
- Record last updated2026 · 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).
14 psychiatric/mental health nurse practitioner records list a practice address in Waterville
They are 14 of the 870 NPPES records with a practice address in Waterville, and 472 psychiatric/mental health nurse practitioner records in Maine.
All 472 in Maine → Every provider in Waterville → Psychiatric/Mental Health Nurse Practitioner nationwide →
The 8 psychiatric/mental health nurse practitioner records with the nearest ZIP codes
- Kira BarberWaterville, ME 049011235777921
- Michelle Breton, PMHNP-BCWaterville, ME 049011023887205
- Emil Bukher, NPWaterville, ME 049011487601282
- Dawn Chase, PMHNPWaterville, ME 049011497396543
- Amie Fagan, PMHNPWaterville, ME 049011114687480
- Marta Hall, PMHNPWaterville, ME 049011164586418
- Kristina King, PMHNP-BCWaterville, ME 049011104492453
- Joanna Lusk-Libby, APRN-BCWaterville, ME 049011699393694
Common questions
What is Martha Baldwin's NPI number?
Martha Baldwin's National Provider Identifier (NPI) is 1891280855, issued on Jun 22, 2018. An NPI identifies a provider in billing; it is not a license.
Where is Martha Baldwin located?
The NPPES record lists a practice address at 40 Waterville Commons Dr # 1017, Waterville, ME, 04901. Phone: (207) 573-2479. Providers update this record themselves, so call before visiting.
How can I verify Martha Baldwin's license?
NPPES lists Maine license number CNP181150, as entered by the provider. Search the Maine board that licenses this profession; the NPPES record confirms identity only.
How much does Martha Baldwin prescribe under Medicare Part D?
In 2024, Martha Baldwin had 516 Medicare Part D claims for 24 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.