Nnenna Amachi, NP
NPI 1255532149 · Nurse Practitioner · Garden Grove, CA
Nnenna Amachi, NP is a Nurse Practitioner provider in Garden Grove, CA (NPI 1255532149).
Provider details
- NPI number
- 1255532149
- Entity type
- Individual
- Primary specialty
- Nurse PractitionerPhysician Assistants & Advanced Practice Nursing Providers
- Credential
- NP
- Sex
- Female
- Sole proprietor
- No
- License
- NP9235 (CA)
Specialties & taxonomies
Physician Assistants & Advanced Practice Nursing Providers
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure38% of score
19 yrs in NPPES registry
- Profile completeness38% of score
100% of core fields populated
- Practice footprint23% of score
1 documented practice location
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 methodology.
What this provider prescribes (Medicare Part D)
Top drugs by Medicare Part D claim volume, 2024 · 17 distinct drugs on file.
| Drug | Part D claims (2024) | Beneficiaries |
|---|---|---|
| Trazodone Hcl | 82 | 31 |
| Quetiapine Fumarate | 53 | 22 |
| Aripiprazole | 45 | 16 |
| Olanzapine | 41 | 15 |
| Bupropion Hclbrand: Bupropion Xl | 27 | 11 |
| Divalproex Sodium | 27 | — |
| Escitalopram Oxalate | 26 |
Practice location
Mailing address
Registry dates
- Enumerated
- 2007-05-30
- Last updated
- 2023-09-13
- Certified
- 2023-09-13
Frequently asked questions
- What is Nnenna Amachi's NPI number?
- Nnenna Amachi's National Provider Identifier (NPI) is 1255532149, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Nnenna Amachi's specialty?
- Nnenna Amachi is listed in the NPPES registry with a primary specialty of Nurse Practitioner (Physician Assistants & Advanced Practice Nursing Providers).
- Where is Nnenna Amachi located?
- Nnenna Amachi's practice location on file with NPPES is 12377 Lewis St Ste 105, Garden Grove, CA 92840-4691.
- What is Nnenna Amachi's phone number?
- The practice phone number listed in the NPPES registry for Nnenna Amachi is (714) 823-4780.
- Is Nnenna Amachi's NPI active?
- Yes — Nnenna Amachi's NPI (1255532149) is active in the NPPES registry as of the last update on 2023-09-13.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.