Dayna Portnoy, NP
General Practice Registered Nurse · Wilmette, IL
Dayna Portnoy, NP is a general practice registered nurse with a practice address in Wilmette, Illinois, and NPI 1265476345, issued on Jun 16, 2006. Check the license (Illinois 041-265829, as entered in NPPES) with the Illinois board that licenses this profession; the Medicare figures below come from public CMS files.
- Name
- Dayna Portnoy
- Credential
- NP
- Primary taxonomy
- General Practice Registered Nurse 163WG0000X
- License numbers
- 041-265829 IL
209-006098 IL
Self-reported in NPPES; status is on the state search - Practice location
- 1200 Central Ave, Wilmette, IL 60091
- Phone
- (847) 256-1705
- Enumerated
- Jun 16, 2006
- Entity
- Type 1 · individual
Also registered at 1200 Central Ave
A shared address usually means a shared clinic or building; it does not show who employs whom.
- John AlanoPhysical Therapist1700243631
- Laurence Kahn, DCChiropractor1760412324
- Ievgeniia Krasnopolskiy, NPNurse Practitioner1780044263
Verify Dayna Portnoy in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersWhich Illinois board licenses this profession
Search for license 041-265829Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS, AOA, NCCPA, AANPNot checked
85% fewer Medicare Part D claims than the average general practice registered nurse in 2024
196 Medicare Part D claims for 64 beneficiaries, against an average of 1,350 among the 780 providers of this specialty who prescribed in Part D.
Most prescribed
- Triamcinolone Acetonide15 claims
- Prednisone14 claims
- Gabapentin13 claims
- Hydralazine Hcl12 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.
General Practice Registered Nurse providers in Illinois
There are 134 general practice registered nurse records in Illinois.
Other general practice registered nurse records in Illinois
- Kate Abitogun, RN, FNPSpringfield, IL1174732150
- Marisol Aduana, RNOrland Park, IL1588306807
- Shweta Agarwal, NPWaukegan, IL1982382511
- Gabrielle AllenChicago, IL1194553453
- Abdul Rahman Aloush, RNSells, IL1891357729
- Mary Pat Ambrosino, RNTinley Park, IL1902916364
- Scholastica Amekugee, BSN,RN.Homewood, IL1306531280
- Melanie Anderson, FNP-BCChicago, IL1184559627
- Jennifer AustinHarrisburg, IL1578275905
- Joseph Ayoola, RNFlossmoor, IL1154584951
Common questions
What is Dayna Portnoy, NP's NPI number?
Dayna Portnoy, NP's National Provider Identifier (NPI) is 1265476345, issued on Jun 16, 2006. An NPI identifies a provider in billing; it is not a license.
Where is Dayna Portnoy, NP located?
The NPPES record lists a practice address at 1200 Central Ave, Wilmette, IL, 60091. Phone: (847) 256-1705. Providers update this record themselves, so call before visiting.
How can I verify Dayna Portnoy, NP's license?
NPPES lists Illinois license number 041-265829, as entered by the provider. Search the Illinois board that licenses this profession; the NPPES record confirms identity only.
How much does Dayna Portnoy, NP prescribe under Medicare Part D?
In 2024, Dayna Portnoy, NP had 196 Medicare Part D claims for 64 beneficiaries; the average among general practice registered nurse prescribers was 1,350. Part D covers Medicare prescriptions only.
Source: CMS National Plan and Provider Enumeration System (NPPES), loaded Aug 27, 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.
Every figure on PlainDoctor is rendered directly from the federal CMS NPPES registry, Medicare Part D, MIPS, and Open Payments records, no number is typed in by an editor. See our editorial standards & corrections policy, the methodology behind these numbers, or report a data error. Data current as of Aug 27, 2026.