Ellen Portnoy, CNP
Psychiatric/Mental Health Nurse Practitioner · Troy, MI
Ellen Portnoy, CNP is a psychiatric/mental health nurse practitioner with a practice address in Troy, Michigan, and NPI 1215056031, issued on Mar 29, 2007. Check the license (Michigan 6801064524, as entered in NPPES) with the Michigan board that licenses this profession; the Medicare figures below come from public CMS files.
- Name
- Ellen Portnoy
- Credential
- CNP
- Primary taxonomy
- Psychiatric/Mental Health Nurse Practitioner 363LP0808X
- License number
- 6801064524 MI
Self-reported in NPPES; status is on the state search - Practice location
- 2825 Livernois RD, Troy, MI 48083
- Phone
- (248) 680-2060
- Enumerated
- Mar 29, 2007
- Record last updated
- Apr 8, 2021 (not updated in 5 years: call before relying on the address or phone)
- Entity
- Type 1 · individual
8 nearest psychiatric/mental health nurse practitioner records → All 931 in Michigan → Look up another NPI →
Also registered at 2825 Livernois RD
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Monica Balicki, LLPAddiction (Substance Use Disorder) Counselor1629178942
- Fatima Azzahra Boubyane, LCSWClinical Social Worker1689430993
- Elizabeth Bradford, MSWSocial Worker1134225758
- Zina ChakerPsychiatry Physician1497383921
- Joseph Demsich, RPHPharmacist1124236559
- Julienne Fish, M.A, L.L.PPsychologist1679630222
Verify Ellen Portnoy in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersWhich Michigan board licenses this profession
Search for license 6801064524Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
95% fewer Medicare Part D claims than the average psychiatric/mental health nurse practitioner in 2024
41 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 0% of 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.
Ellen Portnoy among 931 psychiatric/mental health nurse practitioner records in Michigan
Ellen Portnoy, CNP is one of 931 psychiatric/mental health nurse practitioner records with a practice address in Michigan. 69% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2007, is newer than 6% of them.
- NPI issued2007 · 6% of these records are older, 90% newer
- In a Medicare fileYes · 69% of these records are
- In the CMS Doctors and Clinicians fileNo · 61% of these records are
- Record last updated2021 · 19% 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 Michigan 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 Michigan
There are 931 psychiatric/mental health nurse practitioner records in Michigan.
All 931 in Michigan → Every provider in Troy → Psychiatric/Mental Health Nurse Practitioner nationwide →
The 8 psychiatric/mental health nurse practitioner records with the nearest ZIP codes
- Charles Babini, PMHNP-BCTroy, MI 480831437774411
- Sasha ChavezTroy, MI 480831275328502
- Erica Coates, PMHNP-BCTroy, MI 480831902609951
- Blair Grose, PMHNP-BCTroy, MI 480831609390335
- Erika JonesTroy, MI 480831932961281
- Andrea Kwasky, DNPTroy, MI 480831619976388
- Taylor Lane, PMHNP-BCTroy, MI 480831821815168
- Jacquelyn Terry, RN-BSN, PMHNP-BCTroy, MI 480831245772292
Common questions
What is Ellen Portnoy, CNP's NPI number?
Ellen Portnoy, CNP's National Provider Identifier (NPI) is 1215056031, issued on Mar 29, 2007. An NPI identifies a provider in billing; it is not a license.
Where is Ellen Portnoy, CNP located?
The NPPES record lists a practice address at 2825 Livernois RD, Troy, MI, 48083. Phone: (248) 680-2060. Providers update this record themselves, so call before visiting.
How can I verify Ellen Portnoy, CNP's license?
NPPES lists Michigan license number 6801064524, as entered by the provider. Search the Michigan board that licenses this profession; the NPPES record confirms identity only.
How much does Ellen Portnoy, CNP prescribe under Medicare Part D?
In 2024, Ellen Portnoy, CNP had 41 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.