Nnenna O. Nwizu, NP
Family Nurse Practitioner · Greeley, CO
Nnenna O. Nwizu, NP is a family nurse practitioner with a practice address in Greeley, Colorado, and NPI 1578011003, issued on Sep 13, 2016. Check the license (Colorado APN.0992750-NP, as entered in NPPES) with the Colorado board that licenses this profession; the Medicare figures below come from public CMS files.
- Name
- Nnenna O. Nwizu
- Credential
- NP
- Primary taxonomy
- Family Nurse Practitioner 363LF0000X
- License numbers
- APN.0992750-NP CO
2016020993 CO
RN.0182120 CO
RXN.0106048-NP CO
Self-reported in NPPES; status is on the state search - Practice location
- 2520 W 16TH St, Greeley, CO 80634
- Phone
- (970) 356-2520
- Enumerated
- Sep 13, 2016
- Record last updated
- Nov 30, 2022
- Medicare enrollment
- Enrolled (PECOS I20161230000258); accepts Medicare assignment
- Entity
- Type 1 · individual
8 nearest family nurse practitioner records → All 3,492 in Colorado → Look up another NPI →
Also registered at 2520 W 16TH St
A shared address usually means a shared clinic or building; it does not show who employs whom.
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- Rose Macalister, CNPFamily Nurse Practitioner1851721153
- Douglas Magnuson, MDFamily Medicine Physician1104891027
Verify Nnenna O. Nwizu in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersWhich Colorado board licenses this profession
Search for license APN.0992750-NPCheck the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
33% fewer Medicare Part D claims than the average family nurse practitioner in 2024
872 Medicare Part D claims for 215 beneficiaries, against an average of 1,305 among the 140,557 providers of this specialty who prescribed in Part D. 38 claims were for opioids.
Most prescribed
- Atorvastatin Calcium53 claims
- Lisinopril52 claims
- Levothyroxine Sodium42 claims
- Amlodipine Besylate35 claims
- Hydrochlorothiazide33 claims
- Prednisone32 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.
Industry payments in 2024: $1,005.28
51 payments; by number, the most common kind was food and beverage; the largest payer was Abbvie Inc. The 99,489 providers of this specialty with any payment received $650.95 on average. Payments are reported by manufacturers, not by the provider, and are not a sign of wrongdoing.
Source: CMS Open Payments, program year 2024 (openpaymentsdata.cms.gov); average among providers of this specialty with at least one payment.
Bills Medicare through one group practice
- Family Physicians OF Greeley LLPGreeley, CO
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Nnenna O. Nwizu among 3,492 family nurse practitioner records in Colorado
Nnenna O. Nwizu, NP is one of 3,492 family nurse practitioner records with a practice address in Colorado. 73% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2016, is newer than 37% of them.
- NPI issued2016 · 37% of these records are older, 57% newer
- In a Medicare fileYes · 73% of these records are
- In the CMS Doctors and Clinicians fileYes · 56% of these records are
- Graduated2016 · median 2019 among the 1,950 with a school on file
- Record last updated2022 · 37% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 363LF0000X and a Colorado practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
66 family nurse practitioner records list a practice address in Greeley
They are 66 of the 3,518 NPPES records with a practice address in Greeley, and 3,492 family nurse practitioner records in Colorado.
All 3,492 in Colorado → Every provider in Greeley → Family Nurse Practitioner nationwide →
The 8 family nurse practitioner records with the nearest ZIP codes
- Krista Anderson, FNPGreeley, CO 806341427089135
- Mary Bender, APRNGreeley, CO 806341144560384
- Evelyn Clark, MSN, ANP, NP-CGreeley, CO 806341508208307
- Ruth Conley, NP-CGreeley, CO 806341487634614
- Carol Gannon, APNGreeley, CO 806341538330113
- Celeste Kendrick, FNPGreeley, CO 806341083813190
- Tracy Lujan, NPGreeley, CO 806341518338599
- Rose Macalister, CNPGreeley, CO 806341851721153
Common questions
What is Nnenna O. Nwizu, NP's NPI number?
Nnenna O. Nwizu, NP's National Provider Identifier (NPI) is 1578011003, issued on Sep 13, 2016. An NPI identifies a provider in billing; it is not a license.
Where is Nnenna O. Nwizu, NP located?
The NPPES record lists a practice address at 2520 W 16TH St, Greeley, CO, 80634. Phone: (970) 356-2520. Providers update this record themselves, so call before visiting.
How can I verify Nnenna O. Nwizu, NP's license?
NPPES lists Colorado license number APN.0992750-NP, as entered by the provider. Search the Colorado board that licenses this profession; the NPPES record confirms identity only.
How much does Nnenna O. Nwizu, NP prescribe under Medicare Part D?
In 2024, Nnenna O. Nwizu, NP had 872 Medicare Part D claims for 215 beneficiaries; the average among family nurse practitioner prescribers was 1,305. 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.