Masako Longwell
Psychiatric/Mental Health Nurse Practitioner · Alexandria, VA
Masako Longwell is a psychiatric/mental health nurse practitioner with a practice address in Alexandria, Virginia, and NPI 1245012673, issued on Oct 19, 2023. Check the license (Virginia 0024189206, as entered in NPPES) with the Virginia board that licenses this profession; the Medicare figures below come from public CMS files.
- Name
- Masako Longwell
- Primary taxonomy
- Psychiatric/Mental Health Nurse Practitioner 363LP0808X
- License number
- 0024189206 VA
Self-reported in NPPES; status is on the state search - Practice location
- 8119 Holland RD, Alexandria, VA 22306
- Phone
- (571) 234-0403
- Enumerated
- Oct 19, 2023
- Record last updated
- Apr 5, 2024
- Entity
- Type 1 · individual
8 nearest psychiatric/mental health nurse practitioner records → All 1,531 in Virginia → Look up another NPI →
Also registered at 8119 Holland RD
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Jacklyne Abdulai, LCSWClinical Social Worker1699508648
- Sia Acquah, LCSWClinical Social Worker1174408454
- Dominique Adkins, LPC, ED DMental Health Counselor1528573128
- Devin Arnold, LPCProfessional Counselor1063958528
- Marjorie Bauman, LPC LMFTMental Health Counselor1144323601
- Gary Carter, RNRegistered Nurse1710586045
Verify Masako Longwell in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersWhich Virginia board licenses this profession
Search for license 0024189206Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
69% fewer Medicare Part D claims than the average psychiatric/mental health nurse practitioner in 2024
279 Medicare Part D claims for 19 beneficiaries, against an average of 906 among the 30,717 providers of this specialty who prescribed in Part D. Brand-name drugs were 7% of claims.
Most prescribed
- Divalproex Sodium Er33 claims
- Olanzapine25 claims
- Haloperidol Decanoate23 claims
- Benztropine Mesylate20 claims
- Haloperidol18 claims
- Bupropion Xl17 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: $305.01
11 payments; by number, the most common kind was food and beverage; the largest payer was Otsuka America Pharmaceutical, 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.
Masako Longwell among 1,531 psychiatric/mental health nurse practitioner records in Virginia
Masako Longwell is one of 1,531 psychiatric/mental health nurse practitioner records with a practice address in Virginia. 70% 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 61% of them.
- NPI issued2023 · 61% of these records are older, 29% newer
- In a Medicare fileYes · 70% of these records are
- In the CMS Doctors and Clinicians fileNo · 59% of these records are
- Record last updated2024 · 16% 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 Virginia practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
Psychiatric/Mental Health Nurse Practitioner providers in Virginia
There are 1,531 psychiatric/mental health nurse practitioner records in Virginia.
All 1,531 in Virginia → Every provider in Alexandria → Psychiatric/Mental Health Nurse Practitioner nationwide →
The 8 psychiatric/mental health nurse practitioner records with the nearest ZIP codes
- Engida AbegazeAlexandria, VA 223061194653311
- Serkalem AshenafiAlexandria, VA 223061396694105
- Olufunke Carter, PMHNPAlexandria, VA 223061669134094
- Heather Figi, PMHNP-BCAlexandria, VA 223061689479818
- Deborah MalangaAlexandria, VA 223061922828771
- Evelyn Neneng, PMHNPAlexandria, VA 223061912855487
- Camarita TitangAlexandria, VA 223061437798873
- Andrew Wilmot, PMHNP-BCAlexandria, VA 223061063381895
Common questions
What is Masako Longwell's NPI number?
Masako Longwell's National Provider Identifier (NPI) is 1245012673, issued on Oct 19, 2023. An NPI identifies a provider in billing; it is not a license.
Where is Masako Longwell located?
The NPPES record lists a practice address at 8119 Holland RD, Alexandria, VA, 22306. Phone: (571) 234-0403. Providers update this record themselves, so call before visiting.
How can I verify Masako Longwell's license?
NPPES lists Virginia license number 0024189206, as entered by the provider. Search the Virginia board that licenses this profession; the NPPES record confirms identity only.
How much does Masako Longwell prescribe under Medicare Part D?
In 2024, Masako Longwell had 279 Medicare Part D claims for 19 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.