Amanda Mackillop, NP
Psychiatric/Mental Health Nurse Practitioner · Southold, NY
Amanda Mackillop, NP is a psychiatric/mental health nurse practitioner with a practice address in Southold, New York, and NPI 1770128753, issued on Nov 13, 2019. Check the license (New York 403484, as entered in NPPES) with the New York board that licenses this profession; the Medicare figures below come from public CMS files.
- Name
- Amanda Mackillop
- Credential
- NP
- Primary taxonomy
- Psychiatric/Mental Health Nurse Practitioner 363LP0808X
- License numbers
- 403484 NY
780342 NY
Self-reported in NPPES; status is on the state search - Practice location
- 54655 Main RD, Southold, NY 11971
- Phone
- (631) 301-2271
- Enumerated
- Nov 13, 2019
- Record last updated
- Dec 17, 2025
- Fax
- (631) 212-0482
- Medicare enrollment
- Enrolled (PECOS I20230201000909); accepts Medicare assignment
- Telehealth
- Offers telehealth (CMS)
- Entity
- Type 1 · individual
8 nearest psychiatric/mental health nurse practitioner records → All 4,129 in New York → Look up another NPI →
Verify Amanda Mackillop in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersWhich New York board licenses this profession
Search for license 403484Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
15% fewer Medicare Part D claims than the average psychiatric/mental health nurse practitioner in 2024
773 Medicare Part D claims for 64 beneficiaries, against an average of 906 among the 30,717 providers of this specialty who prescribed in Part D.
Most prescribed
- Bupropion Xl66 claims
- Fluoxetine Hcl58 claims
- Escitalopram Oxalate57 claims
- Aripiprazole54 claims
- Alprazolam44 claims
- Sertraline Hcl42 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.
Bills Medicare through one group practice
- Meeting House Lane Medical Practice PCSouthampton, NY
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Amanda Mackillop among 4,129 psychiatric/mental health nurse practitioner records in New York
Amanda Mackillop, NP is one of 4,129 psychiatric/mental health nurse practitioner records with a practice address in New York. 68% 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 52% of them.
- NPI issued2019 · 52% of these records are older, 42% newer
- In a Medicare fileYes · 68% of these records are
- In the CMS Doctors and Clinicians fileYes · 46% of these records are
- Graduated2021 · median 2021 among the 1,914 with a school on file
- Record last updated2025 · 34% 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 New York 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 Southold
They are 2 of the 108 NPPES records with a practice address in Southold, and 4,129 psychiatric/mental health nurse practitioner records in New York.
All 4,129 in New York → Every provider in Southold → Psychiatric/Mental Health Nurse Practitioner nationwide →
The 8 psychiatric/mental health nurse practitioner records with the nearest ZIP codes
- Christian Witherell, PMHNP-BCSouthold, NY 119711144948175
- Nichola Ali, PMHNP, LMSWShirley, NY 119671225641145
- Cecelia Valentin, PMHNPShirley, NY 119671679295489
- Neva Bellamy, D.C.P., NPPYaphank, NY 119801366559189
- Sylvia Andreatto, NPRidge, NY 119611063188514
- Rose Peterson, NPPMiddle Island, NY 119531548564966
- Carol Payton, PMH-NPMattituck, NY 119521114669447
- Jolene Knight, RN, PMHNPMastic Beach, NY 119511912255415
Common questions
What is Amanda Mackillop, NP's NPI number?
Amanda Mackillop, NP's National Provider Identifier (NPI) is 1770128753, issued on Nov 13, 2019. An NPI identifies a provider in billing; it is not a license.
Where is Amanda Mackillop, NP located?
The NPPES record lists a practice address at 54655 Main RD, Southold, NY, 11971. Phone: (631) 301-2271. Providers update this record themselves, so call before visiting.
How can I verify Amanda Mackillop, NP's license?
NPPES lists New York license number 403484, as entered by the provider. Search the New York board that licenses this profession; the NPPES record confirms identity only.
How much does Amanda Mackillop, NP prescribe under Medicare Part D?
In 2024, Amanda Mackillop, NP had 773 Medicare Part D claims for 64 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.