Mandy Massey, NP
Nurse Practitioner · Waterville, ME
Mandy Massey, NP is a nurse practitioner with a practice address in Waterville, Maine, and NPI 1588391007, issued on Aug 4, 2022. Check the license (Maine CNP221300, as entered in NPPES) with the Maine board that licenses this profession; the Medicare figures below come from public CMS files.
- Name
- Mandy Massey
- Credential
- NP
- Primary taxonomy
- Nurse Practitioner 363L00000X
- License number
- CNP221300 ME
Self-reported in NPPES; status is on the state search - Practice location
- 149 North St, Waterville, ME 04901
- Phone
- (207) 872-1280
- Enumerated
- Aug 4, 2022
- Record last updated
- Aug 4, 2022
- Fax
- (207) 872-1284
- Medicare enrollment
- Enrolled (PECOS I20220818001135); accepts Medicare assignment
- Entity
- Type 1 · individual
8 nearest nurse practitioner records → All 450 in Maine → Look up another NPI →
Also registered at 149 North St
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Ahmed Aldilaimi, MDHospitalist Physician1497721849
- Alycia Allen, MSN, NP-CFamily Nurse Practitioner1083046718
- Michael Antoniello, M.D.Emergency Medicine Physician1568470953
- Amethyst Arceo, DOFamily Medicine Physician1801913553
- Timothy Axelson, CRNACertified Registered Nurse Anesthetist1649219353
- Faith Ayepola, MDStudent in an Organized Health Care Education/Training Program1922932417
Verify Mandy Massey in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersWhich Maine board licenses this profession
Search for license CNP221300Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
92% fewer Medicare Part D claims than the average nurse practitioner in 2024
92 Medicare Part D claims for 55 beneficiaries, against an average of 1,109 among the 54,319 providers of this specialty who prescribed in Part D. 19 claims were for opioids.
Most prescribed
- Clopidogrel27 claims
- Cilostazol21 claims
- Oxycodone Hcl13 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 practice group's MIPS final score for 2023 (Medicare payment program): 79.3 of 100
The Merit-based Incentive Payment System score is reported for the practice group, not for one clinician alone. 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, group reporting; category weights for 2023 (qpp.cms.gov).
Industry payments in 2024: $23.91
1 payment: food and beverage; the largest payer was Cordis US Corp. The 38,884 providers of this specialty with any payment received $791.64 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
- Mainegeneral Medical CenterWaterville, ME
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Mandy Massey among 450 nurse practitioner records in Maine
Mandy Massey, NP is one of 450 nurse practitioner records with a practice address in Maine. 72% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2022, is newer than 86% of them.
- NPI issued2022 · 86% of these records are older, 8% newer
- In a Medicare fileYes · 72% of these records are
- In the CMS Doctors and Clinicians fileYes · 57% of these records are
- Graduated2022 · median 2017 among the 258 with a school on file
- Record last updated2022 · 54% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 363L00000X and a Maine practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
25 nurse practitioner records list a practice address in Waterville
They are 25 of the 870 NPPES records with a practice address in Waterville, and 450 nurse practitioner records in Maine.
All 450 in Maine → Every provider in Waterville → Nurse Practitioner nationwide →
The 8 nurse practitioner records with the nearest ZIP codes
- Megan Bell, NPWaterville, ME 049011659669711
- Harold Dean, FNPWaterville, ME 049011902918428
- Bridgett Fisher, NPWaterville, ME 049011881970887
- Claudia Glynn, FNPWaterville, ME 049011285609016
- Persis Hope, NPWaterville, ME 049011134195100
- Theresa Jacques, FNP-CWinslow, ME 049011881647709
- Deborah Martin, FNPWaterville, ME 049011518166636
- Andrea Mathieu, FNP-CWaterville, ME 049011629022132
Common questions
What is Mandy Massey, NP's NPI number?
Mandy Massey, NP's National Provider Identifier (NPI) is 1588391007, issued on Aug 4, 2022. An NPI identifies a provider in billing; it is not a license.
Where is Mandy Massey, NP located?
The NPPES record lists a practice address at 149 North St, Waterville, ME, 04901. Phone: (207) 872-1280. Providers update this record themselves, so call before visiting.
How can I verify Mandy Massey, NP's license?
NPPES lists Maine license number CNP221300, as entered by the provider. Search the Maine board that licenses this profession; the NPPES record confirms identity only.
How much does Mandy Massey, NP prescribe under Medicare Part D?
In 2024, Mandy Massey, NP had 92 Medicare Part D claims for 55 beneficiaries; the average among nurse practitioner prescribers was 1,109. Part D covers Medicare prescriptions only.
What is Mandy Massey, NP's MIPS final score?
The 2023 MIPS final score is 79.3 of 100, reported for the practice group. 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.