NPPES file of Aug 9, 2026

Sonya R. Isler, NP

Psychiatric/Mental Health Nurse Practitioner · Fredericksburg, VA

Sonya R. Isler, NP is a psychiatric/mental health nurse practitioner with a practice address in Fredericksburg, Virginia, and NPI 1336628957, issued on Aug 14, 2018. Check the license with the Virginia board that licenses this profession; the Medicare figures below come from public CMS files.

Record from CMS NPPES, file of Aug 9, 2026 · Medicare files 2024 · method · Verify with CMS →

NPPES recordNPPES file of Aug 9, 2026
1336628957
Name
Sonya R. Isler
Credential
NP
Primary taxonomy
Psychiatric/Mental Health Nurse Practitioner 363LP0808X
License number
5010844 NC
Self-reported in NPPES; status is on the state search
Practice location
150 Riverside Pkwy Ste 115, Fredericksburg, VA 22406
Phone
(833) 351-8255
Enumerated
Aug 14, 2018
Record last updated
Oct 13, 2025
Medicare enrollment
Enrolled (PECOS I20251215003438); accepts Medicare assignment
Telehealth
Offers telehealth (CMS)
Entity
Type 1 · individual
Public record from CMS NPPES (open it on the CMS NPI Registry). Enrollment, assignment, school and telehealth: CMS Doctors and Clinicians file, Aug 2026. A record is not a license: verify it with the state board.
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Also registered at 150 Riverside Pkwy Ste 115

A shared address usually means a shared clinic or building; it does not show who employs whom.

  1. Jennifer Garner, NPPsychiatric/Mental Health Nurse Practitioner1093098956
  2. Amy Lowry, MDPsychiatry Physician1164811816
  3. Charnele Mardner, QDDPCase Manager/Care Coordinator1265208243
  4. David Weber, M.D.Psychiatry Physician1851361380

Verify Sonya R. Isler in five checks

  1. 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
  2. 2LicenseActive license and public ordersWhich Virginia board licenses this professionCheck the board
  3. 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
  4. 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
  5. 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
Find the Virginia license search

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50% fewer Medicare Part D claims than the average psychiatric/mental health nurse practitioner in 2024

456 Medicare Part D claims for 40 beneficiaries, against an average of 906 among the 30,717 providers of this specialty who prescribed in Part D. Brand-name drugs were 8% of claims.

  1. Sonya Isler456
  2. Specialty average906

Most prescribed

  1. Clonazepam55 claims
  2. Lamotrigine41 claims
  3. Aripiprazole30 claims
  4. Buspirone Hcl28 claims
  5. Quetiapine Fumarate23 claims
  6. Alprazolam20 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: $212.57

10 payments; by number, the most common kind was food and beverage; the largest payer was Alkermes, 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.

  1. Sonya Isler$212.57
  2. Specialty average$1,027.77

Source: CMS Open Payments, program year 2024 (openpaymentsdata.cms.gov); average among providers of this specialty with at least one payment.

Bills Medicare through 3 group practices

  1. Mccd FL Psychiatry Services PAFredericksburg, VA
  2. Mccd Psychiatry Services PLLCNew York, NY
  3. Yelvertons Enrichment Services IncRaleigh, NC

Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).

Sonya R. Isler among 1,531 psychiatric/mental health nurse practitioner records in Virginia

Sonya R. Isler, NP 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 2018, is newer than 28% of them.

  • NPI issued2018 · 28% of these records are older, 68% newer
  • In a Medicare fileYes · 70% of these records are
  • In the CMS Doctors and Clinicians fileYes · 59% of these records are
  • Graduated2018 · median 2021 among the 903 with a school on file
  • Record last updated2025 · 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).

44 psychiatric/mental health nurse practitioner records list a practice address in Fredericksburg

They are 44 of the 3,696 NPPES records with a practice address in Fredericksburg, and 1,531 psychiatric/mental health nurse practitioner records in Virginia.

The 8 psychiatric/mental health nurse practitioner records with the nearest ZIP codes

  1. Mary Birse, PMHNP-BCFredericksburg, VA 224061700202058
  2. Eveline Fohtung, NPFredericksburg, VA 224061649004979
  3. Jennifer Garner, NPFredericksburg, VA 224061093098956
  4. Yvonne Nkeze, APRN, PMHNP-BCFredericksburg, VA 224061932916087
  5. Karen Tonner, PMHNPFredericksburg, VA 224061376053736
  6. Peace Addai, PMHNPFredericksburg, VA 224071033051974
  7. Gloria Afriyie, PMHNP-BCFredericksburg, VA 224051659074599
  8. Efetze AkanaFredericksburg, VA 224071619704996

Common questions

What is Sonya R. Isler, NP's NPI number?

Sonya R. Isler, NP's National Provider Identifier (NPI) is 1336628957, issued on Aug 14, 2018. An NPI identifies a provider in billing; it is not a license.

Where is Sonya R. Isler, NP located?

The NPPES record lists a practice address at 150 Riverside Pkwy Ste 115, Fredericksburg, VA, 22406. Phone: (833) 351-8255. Providers update this record themselves, so call before visiting.

How can I verify Sonya R. Isler, NP's license?

Search the Virginia board that licenses this profession; the NPPES record confirms identity only.

How much does Sonya R. Isler, NP prescribe under Medicare Part D?

In 2024, Sonya R. Isler, NP had 456 Medicare Part D claims for 40 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.