Robert F. Onyango, NP
Registered Nurse · Newark, DE
Robert F. Onyango, NP is a registered nurse with a practice address in Newark, Delaware, and NPI 1952827446, issued on Aug 17, 2017. Check the license (Delaware L1-0035934, as entered in NPPES) with the Delaware board that licenses this profession; the Medicare figures below come from public CMS files.
- Name
- Robert F. Onyango
- Credential
- NP
- Primary taxonomy
- Registered Nurse 163W00000X
- License number
- L1-0035934 DE
Self-reported in NPPES; status is on the state search - Practice location
- 4735 Ogletown Stanton RD, Newark, DE 19713
- Phone
- (302) 623-0200
- Enumerated
- Aug 17, 2017
- Record last updated
- Oct 11, 2017 (not updated in 9 years: call before relying on the address or phone)
- Fax
- (302) 623-0117
- Medicare enrollment
- Enrolled (PECOS I20171114003347); accepts Medicare assignment
- Telehealth
- Offers telehealth (CMS)
- Entity
- Type 1 · individual
8 nearest registered nurse records → All 967 in Delaware → Look up another NPI →
Also registered at 4735 Ogletown Stanton RD
A shared address usually means a shared clinic or building; it does not show who employs whom.
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Verify Robert F. Onyango in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersWhich Delaware board licenses this profession
Search for license L1-0035934Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
3.4 times the Medicare Part D claims of the average registered nurse in 2024
2,329 Medicare Part D claims for 366 beneficiaries, against an average of 678 among the 694 providers of this specialty who prescribed in Part D. Brand-name drugs were 13% of claims.
Most prescribed
- Atorvastatin Calcium225 claims
- Amlodipine Besylate165 claims
- Omeprazole101 claims
- Lisinopril94 claims
- Levothyroxine Sodium79 claims
- Gabapentin67 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 IncWilmington, DE
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Robert F. Onyango among 967 registered nurse records in Delaware
Robert F. Onyango, NP is one of 967 registered nurse records with a practice address in Delaware. under 1% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2017, is newer than 63% of them.
- NPI issued2017 · 63% of these records are older, 27% newer
- In a Medicare fileYes · under 1% of these records are
- In the CMS Doctors and Clinicians fileYes · under 1% of these records are
- Record last updated2017 · 86% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 163W00000X and a Delaware practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
52 registered nurse records list a practice address in Newark
They are 52 of the 4,662 NPPES records with a practice address in Newark, and 967 registered nurse records in Delaware.
All 967 in Delaware → Every provider in Newark → Registered Nurse nationwide →
The 8 registered nurse records with the nearest ZIP codes
- Francis Achu, RNNewark, DE 197131467992586
- Tracy Bell, NNPNewark, DE 197131801315965
- Yvonne Brobst, RNNewark, DE 197131609226802
- Catherine ChanceNewark, DE 197131669838231
- Virginia DavisNewark, DE 197131710408356
- Yvette Hall, REGISTERED NURSENewark, DE 197131053858126
- Nancy Homan, APRNNewark, DE 197131831435536
- Nikiesha MalveauxNewark, DE 197131639617889
Common questions
What is Robert F. Onyango, NP's NPI number?
Robert F. Onyango, NP's National Provider Identifier (NPI) is 1952827446, issued on Aug 17, 2017. An NPI identifies a provider in billing; it is not a license.
Where is Robert F. Onyango, NP located?
The NPPES record lists a practice address at 4735 Ogletown Stanton RD, Newark, DE, 19713. Phone: (302) 623-0200. Providers update this record themselves, so call before visiting.
How can I verify Robert F. Onyango, NP's license?
NPPES lists Delaware license number L1-0035934, as entered by the provider. Search the Delaware board that licenses this profession; the NPPES record confirms identity only.
How much does Robert F. Onyango, NP prescribe under Medicare Part D?
In 2024, Robert F. Onyango, NP had 2,329 Medicare Part D claims for 366 beneficiaries; the average among registered nurse prescribers was 678. 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.