Margaret Marlette Hamilton, AGACNP
Acute Care Nurse Practitioner · Brunswick, ME
Margaret Marlette Hamilton, AGACNP is an acute care nurse practitioner with a practice address in Brunswick, Maine, and NPI 1437791464, issued on Oct 10, 2019. Check the license (Maine CNP191281, as entered in NPPES) with the Maine board that licenses this profession; the Medicare figures below come from public CMS files.
- Name
- Margaret Marlette Hamilton
- Credential
- AGACNP
- Primary taxonomy
- Acute Care Nurse Practitioner 363LA2100X
- License numbers
- CNP191281 ME
RN61448 ME
Self-reported in NPPES; status is on the state search - Practice location
- 121 Medical Center Dr Ste 2550, Brunswick, ME 04011
- Phone
- (207) 373-1707
- Enumerated
- Oct 10, 2019
- Record last updated
- May 3, 2024
- Medicare enrollment
- Enrolled (PECOS I20200204000866); accepts Medicare assignment
- Entity
- Type 1 · individual
8 nearest acute care nurse practitioner records → All 167 in Maine → Look up another NPI →
Also registered at 121 Medical Center Dr Ste 2550
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Michael Madaio, DOInfectious Disease Physician1568967990
- Elizabeth Phillips, F.N.P.Family Nurse Practitioner1356615637
Verify Margaret Marlette Hamilton in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersWhich Maine board licenses this profession
Search for license CNP191281Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
77% fewer Medicare Part D claims than the average acute care nurse practitioner in 2024
136 Medicare Part D claims for 55 beneficiaries, against an average of 594 among the 13,133 providers of this specialty who prescribed in Part D. 31 claims were for opioids.
Most prescribed
- Amoxicillin-Clavulanate Potass22 claims
- Oxycodone Hcl21 claims
- Metoclopramide Hcl18 claims
- Ondansetron Hcl15 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.
The MIPS final score for 2023 (Medicare payment program): 98.1 of 100
The Merit-based Incentive Payment System score is reported for this clinician. Four categories are weighted into the final score; the average among 454,083 clinicians with a measured score was 83.5.
Source: CMS Quality Payment Program, MIPS performance year 2023; category weights for 2023 (qpp.cms.gov).
Bills Medicare through one group practice
- MainehealthBrunswick, ME
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Margaret Marlette Hamilton among 167 acute care nurse practitioner records in Maine
Margaret Marlette Hamilton, AGACNP is one of 167 acute care nurse practitioner records with a practice address in Maine. 81% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2019, is newer than 32% of them.
- NPI issued2019 · 32% of these records are older, 63% newer
- In a Medicare fileYes · 81% of these records are
- In the CMS Doctors and Clinicians fileYes · 71% of these records are
- Graduated2019 · median 2021 among the 118 with a school on file
- Record last updated2024 · 23% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 363LA2100X and a Maine practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
Acute Care Nurse Practitioner providers in Maine
There are 167 acute care nurse practitioner records in Maine.
All 167 in Maine → Every provider in Brunswick → Acute Care Nurse Practitioner nationwide →
The 8 acute care nurse practitioner records with the nearest ZIP codes
- Kristina Ballard, DNP, AGACNPBrunswick, ME 040111992272298
- Virginia Campbell, AGACNP-BCBrunswick, ME 040111740075076
- Nancy Gwadry, APRN-CNPBrunswick, ME 040111437971587
- Danielle ZimmermanBrunswick, ME 040111861340242
- Hannah BambrickBiddeford, ME 040051760237937
- Mackenzie Barth, AGACNPBiddeford, ME 040051912613613
- Caroline Beaule, APRN-AGACNPBiddeford, ME 040051467973693
- Ryan Cadorette, ACNPC-AGBiddeford, ME 040051295524932
Common questions
What is Margaret Marlette Hamilton, AGACNP's NPI number?
Margaret Marlette Hamilton, AGACNP's National Provider Identifier (NPI) is 1437791464, issued on Oct 10, 2019. An NPI identifies a provider in billing; it is not a license.
Where is Margaret Marlette Hamilton, AGACNP located?
The NPPES record lists a practice address at 121 Medical Center Dr Ste 2550, Brunswick, ME, 04011. Phone: (207) 373-1707. Providers update this record themselves, so call before visiting.
How can I verify Margaret Marlette Hamilton, AGACNP's license?
NPPES lists Maine license number CNP191281, as entered by the provider. Search the Maine board that licenses this profession; the NPPES record confirms identity only.
How much does Margaret Marlette Hamilton, AGACNP prescribe under Medicare Part D?
In 2024, Margaret Marlette Hamilton, AGACNP had 136 Medicare Part D claims for 55 beneficiaries; the average among acute care nurse practitioner prescribers was 594. Part D covers Medicare prescriptions only.
What is Margaret Marlette Hamilton, AGACNP's MIPS final score?
The 2023 MIPS final score is 98.1 of 100. The average among 454,083 clinicians with a measured score was 83.5.
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.