Nnenna Nwizu, NP
NPI 1578011003 · Family Nurse Practitioner · Greeley, CO
Enrolled with Medicare as Practitioner - Nurse Practitioner · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Nnenna Nwizu, NP is a Family Nurse Practitioner provider in Greeley, CO (NPI 1578011003).
Provider details
- NPI number
- 1578011003
- Entity type
- Individual
- Primary specialty
- Family Nurse PractitionerPhysician Assistants & Advanced Practice Nursing Providers
- Credential
- NP
- Sex
- Female
- Sole proprietor
- No
- License
- 2016020993 (CO)
Specialties & taxonomies
Physician Assistants & Advanced Practice Nursing Providers
Physician Assistants & Advanced Practice Nursing Providers
Physician Assistants & Advanced Practice Nursing Providers
Physician Assistants & Advanced Practice Nursing Providers
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure25% of score
9 yrs in NPPES registry
- Profile completeness25% of score
100% of core fields populated
- Practice footprint15% of score
3 documented practice locations
- Medicare service volume (vs. specialty peers)25% of score
71 Medicare services, 2024 (ranked within specialty)
- Open Payments transparency10% of score
Has Open Payments disclosures (2024)
Medicare volume is ranked against active providers in the same specialty. Signals a provider has no public data for (e.g. Medicare claims) are left out of the score entirely — never counted as zero — so providers without that data are not penalized. See the full formula and weights in our .
What this provider does (Medicare)
Based on Medicare fee-for-service claims, 2024; not all care is captured.
| Service (HCPCS) | Medicare services | Typical Medicare-allowed (2024) |
|---|---|---|
| Visit Complexity Inherent to Evaluation and Management Associated With Medical Care Services That Serve As the Continuing Focal Point for All Needed Health Care Services And/Or With Medical Care Services That Are Part of Ongoing Care Related to a Patient'SG2211 | 26 | $14 |
| Established Patient Office Or Other Outpatient Visit With Low Level OD Decision Making, If Using Time, 20 Minutes Or More99213 | 24 | $78 |
| Established Patient Office Or Other Outpatient Visit With Moderate Level of Decision Making, If Using Time, 30 Minutes Or More99214 | 21 | $106 |
Typical Medicare-allowed amounts for these services range $14–$106 (2024). The Medicare-allowed amount is what Medicare recognizes for a service under fee-for-service — a reference figure for 2024, not a price quote and not what you would be billed. Medicare Part B covers roughly an eighth of all NPIs (65+ skew); services with fewer than 11 beneficiaries are suppressed by CMS. Source: CMS Medicare Physician & Other Practitioners, by Provider & Service.
What this provider prescribes (Medicare Part D)
Top drugs by Medicare Part D claim volume, 2024 · 23 distinct drugs on file.
| Drug | Part D claims (2024) | Beneficiaries |
|---|---|---|
| Atorvastatin Calcium | 53 | 17 |
| Lisinopril | 52 | 21 |
| Levothyroxine Sodium | 42 | 13 |
| Amlodipine Besylate | 35 | 12 |
| Hydrochlorothiazide | 33 | 11 |
| Prednisone | 32 | 29 |
| Gabapentin | 30 |
Transparency — industry payments
Based on CMS Open Payments, 2024; not all care is captured.
$1,005 across 51 records (Open Payments 2024)
Open Payments discloses payments and transfers of value (meals, travel, consulting, research, royalties) from drug and device makers to providers. This is a transparency signal, not a verdict — such payments are legal and common, and their presence is neither an endorsement nor a criticism. Source: CMS Open Payments, program year 2024.
Practice location
Mailing address
Additional practice locations (2)
- 5920 Mcintyre StGolden, CO 80403-7445Phone: (720) 434-4876
- 6801 W 20th St Unit 101Greeley, CO 80634-9640Phone: (970) 378-8000Fax: (970) 378-8035
Registry dates
- Enumerated
- 2016-09-13
- Last updated
- 2022-11-30
- Certified
- 2022-11-30
Frequently asked questions
- What is Nnenna Nwizu's NPI number?
- Nnenna Nwizu's National Provider Identifier (NPI) is 1578011003, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Nnenna Nwizu's specialty?
- Nnenna Nwizu is listed in the NPPES registry with a primary specialty of Family Nurse Practitioner (Physician Assistants & Advanced Practice Nursing Providers).
- Where is Nnenna Nwizu located?
- Nnenna Nwizu's practice location on file with NPPES is 2520 W 16th St, Greeley, CO 80634-4941.
- What is Nnenna Nwizu's phone number?
- The practice phone number listed in the NPPES registry for Nnenna Nwizu is (970) 356-2520.
- Does Nnenna Nwizu accept Medicare?
- Nnenna Nwizu is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Nnenna Nwizu's NPI active?
- Yes — Nnenna Nwizu's NPI (1578011003) is active in the NPPES registry as of the last update on 2022-11-30.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.