Michelle K. Ritona, NP
Nurse Practitioner · Wilmington, DE
Michelle K. Ritona, NP is a nurse practitioner with a practice address in Wilmington, Delaware, and NPI 1720183411, issued on Sep 14, 2006. Check the license (Delaware LG-0000249, as entered in NPPES) with the Delaware board that licenses this profession; the Medicare figures below come from public CMS files.
- Name
- Michelle K. Ritona
- Credential
- NP
- Primary taxonomy
- Nurse Practitioner 363L00000X
- License number
- LG-0000249 DE
Self-reported in NPPES; status is on the state search - Practice location
- 501 W 14TH St FL 5, Wilmington, DE 19801
- Phone
- (302) 320-2620
- Enumerated
- Sep 14, 2006
- Record last updated
- Dec 10, 2018 (not updated in 8 years: call before relying on the address or phone)
- Medicare enrollment
- Enrolled (PECOS I20240326003831); accepts Medicare assignment
- Telehealth
- Offers telehealth (CMS)
- Entity
- Type 1 · individual
8 nearest nurse practitioner records → All 545 in Delaware → Look up another NPI →
Also registered at 501 W 14TH St FL 5
A shared address usually means a shared clinic or building; it does not show who employs whom.
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- Carla Necelis, AGNPAdult Health Nurse Practitioner1538758065
- Derica Nyameke, PMHNPPsychiatric/Mental Health Nurse Practitioner1376423996
Verify Michelle K. Ritona in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersWhich Delaware board licenses this profession
Search for license LG-0000249Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
72% fewer Medicare Part D claims than the average nurse practitioner in 2024
309 Medicare Part D claims for 105 beneficiaries, against an average of 1,109 among the 54,319 providers of this specialty who prescribed in Part D.
Most prescribed
- Memantine Hcl113 claims
- Donepezil Hcl86 claims
- Donepezil Hcl Odt18 claims
- Mirtazapine18 claims
- Sertraline Hcl18 claims
- Escitalopram Oxalate12 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
- Christiana Care Health Services IncChadds Ford, PA
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Michelle K. Ritona among 545 nurse practitioner records in Delaware
Michelle K. Ritona, NP is one of 545 nurse practitioner records with a practice address in Delaware. 66% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2006, is newer than 3% of them.
- NPI issued2006 · 3% of these records are older, 80% newer
- In a Medicare fileYes · 66% of these records are
- In the CMS Doctors and Clinicians fileYes · 53% of these records are
- Graduated1996 · median 2017 among the 291 with a school on file
- Record last updated2018 · 51% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 363L00000X and a Delaware practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
196 nurse practitioner records list a practice address in Wilmington
They are 196 of the 6,291 NPPES records with a practice address in Wilmington, and 545 nurse practitioner records in Delaware.
All 545 in Delaware → Every provider in Wilmington → Nurse Practitioner nationwide →
The 8 nurse practitioner records with the nearest ZIP codes
- Dawn Brown, NPWilmington, DE 198011043476690
- Nancy Ann Cleary, CRNPWilmington, DE 198011922232685
- Ginger Cowell, NPWilmington, DE 198011023079084
- Tina Cubeta, APN, BCWilmington, DE 198011184907743
- Nadine Fiske, APNWilmington, DE 198011922321124
- Patricia Gibbons, ANPWilmington, DE 198011265458285
- Barbara Harrison, FNPWilmington, DE 198011184820458
- Janice Heinssen, FNPWilmington, DE 198011457331118
Common questions
What is Michelle K. Ritona, NP's NPI number?
Michelle K. Ritona, NP's National Provider Identifier (NPI) is 1720183411, issued on Sep 14, 2006. An NPI identifies a provider in billing; it is not a license.
Where is Michelle K. Ritona, NP located?
The NPPES record lists a practice address at 501 W 14TH St FL 5, Wilmington, DE, 19801. Phone: (302) 320-2620. Providers update this record themselves, so call before visiting.
How can I verify Michelle K. Ritona, NP's license?
NPPES lists Delaware license number LG-0000249, as entered by the provider. Search the Delaware board that licenses this profession; the NPPES record confirms identity only.
How much does Michelle K. Ritona, NP prescribe under Medicare Part D?
In 2024, Michelle K. Ritona, NP had 309 Medicare Part D claims for 105 beneficiaries; the average among nurse practitioner prescribers was 1,109. 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.