Ifeoma Nwambuonwo, NP
Nurse Practitioner · Phoenix, AZ
Ifeoma Nwambuonwo, NP is a nurse practitioner with a practice address in Phoenix, Arizona, and NPI 1770187056, issued on Nov 26, 2020. Check the license (Arizona 246621, as entered in NPPES) with the Arizona board that licenses this profession; the Medicare figures below come from public CMS files.
- Name
- Ifeoma Nwambuonwo
- Credential
- NP
- Primary taxonomy
- Nurse Practitioner 363L00000X
- License number
- 246621 AZ
Self-reported in NPPES; status is on the state search - Practice location
- 5777 E Mayo Blvd, Phoenix, AZ 85054
- Phone
- (480) 342-2000
- Enumerated
- Nov 26, 2020
- Record last updated
- Jun 1, 2026
- Medicare enrollment
- Enrolled (PECOS I20210121002227); accepts Medicare assignment
- Entity
- Type 1 · individual
8 nearest nurse practitioner records → All 1,423 in Arizona → Look up another NPI →
Also registered at 5777 E Mayo Blvd
A shared address usually means a shared clinic or building; it does not show who employs whom.
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Verify Ifeoma Nwambuonwo in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersWhich Arizona board licenses this profession
Search for license 246621Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
90% fewer Medicare Part D claims than the average nurse practitioner in 2024
111 Medicare Part D claims for 41 beneficiaries, against an average of 1,109 among the 54,319 providers of this specialty who prescribed in Part D. 11 claims were for opioids.
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.
The practice group's MIPS final score for 2023 (Medicare payment program): 78.6 of 100
The Merit-based Incentive Payment System score is reported for the practice group, not for one clinician alone. Four categories are weighted into the final score; the average among 454,083 clinicians with a measured score was 83.5.
Source: CMS Quality Payment Program, MIPS performance year 2023, group reporting; category weights for 2023 (qpp.cms.gov).
Bills Medicare through one group practice
- Mayo Clinic ArizonaScottsdale, AZ
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Ifeoma Nwambuonwo among 1,423 nurse practitioner records in Arizona
Ifeoma Nwambuonwo, NP is one of 1,423 nurse practitioner records with a practice address in Arizona. 74% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2020, is newer than 60% of them.
- NPI issued2020 · 60% of these records are older, 34% newer
- In a Medicare fileYes · 74% of these records are
- In the CMS Doctors and Clinicians fileYes · 57% of these records are
- Graduated2020 · median 2019 among the 805 with a school on file
- Record last updated2026 · 39% 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 Arizona practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
Nurse Practitioner providers in Arizona
There are 1,423 nurse practitioner records in Arizona.
All 1,423 in Arizona → Every provider in Phoenix → Nurse Practitioner nationwide →
The 8 nurse practitioner records with the nearest ZIP codes
- Heidi Apsey, N.P.Phoenix, AZ 850541437344793
- Carol Bryant, NPPhoenix, AZ 850541154570158
- Mark Burns, N.P.Phoenix, AZ 850541861475139
- Denise Ciafone, N.P.Phoenix, AZ 850541366648271
- Michele Gough, NPPhoenix, AZ 850541093716995
- Meagan Higgins, FNPPhoenix, AZ 850541740340025
- Susan King, FNP-CPhoenix, AZ 850541821245440
- Jane Olsen, NPPhoenix, AZ 850541376851121
Common questions
What is Ifeoma Nwambuonwo, NP's NPI number?
Ifeoma Nwambuonwo, NP's National Provider Identifier (NPI) is 1770187056, issued on Nov 26, 2020. An NPI identifies a provider in billing; it is not a license.
Where is Ifeoma Nwambuonwo, NP located?
The NPPES record lists a practice address at 5777 E Mayo Blvd, Phoenix, AZ, 85054. Phone: (480) 342-2000. Providers update this record themselves, so call before visiting.
How can I verify Ifeoma Nwambuonwo, NP's license?
NPPES lists Arizona license number 246621, as entered by the provider. Search the Arizona board that licenses this profession; the NPPES record confirms identity only.
How much does Ifeoma Nwambuonwo, NP prescribe under Medicare Part D?
In 2024, Ifeoma Nwambuonwo, NP had 111 Medicare Part D claims for 41 beneficiaries; the average among nurse practitioner prescribers was 1,109. Part D covers Medicare prescriptions only.
What is Ifeoma Nwambuonwo, NP's MIPS final score?
The 2023 MIPS final score is 78.6 of 100, reported for the practice group. The average among 454,083 clinicians with a measured score was 83.5.
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.