Lillian Onyemelukwe, A.N.P.
NPI 1558549014 · Nurse Practitioner · Houston, TX
Enrolled with Medicare as Practitioner - Nurse Practitioner · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Lillian Onyemelukwe, A.N.P. is a Nurse Practitioner provider in Houston, TX (NPI 1558549014).
Provider details
- NPI number
- 1558549014
- Entity type
- Individual
- Primary specialty
- Nurse PractitionerPhysician Assistants & Advanced Practice Nursing Providers
- Credential
- A.N.P.
- Sex
- Female
- Sole proprietor
- No
- License
- 661951 (TX)
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 tenure28% of score
18 yrs in NPPES registry
- Profile completeness28% of score
100% of core fields populated
- Practice footprint17% of score
1 documented practice location
- Medicare service volume (vs. specialty peers)28% of score
65 Medicare services, 2024 (ranked within specialty)
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 methodology.
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) |
|---|---|---|
| Established Patient Office Or Other Outpatient Visit With Moderate Level of Decision Making, If Using Time, 30 Minutes Or More99214 | 34 | $83 |
| Established Patient Office Or Other Outpatient Visit With Low Level OD Decision Making, If Using Time, 20 Minutes Or More99213 | 31 | $56 |
Typical Medicare-allowed amounts for these services range $56–$83 (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 · 16 distinct drugs on file.
| Drug | Part D claims (2024) | Beneficiaries |
|---|---|---|
| Atorvastatin Calcium | 56 | 26 |
| Amlodipine Besylate | 56 | 20 |
| Gabapentin | 38 | 13 |
| Lisinopril | 36 | 16 |
| Famotidine | 25 | 11 |
| Fluticasone Propionate | 25 | — |
| Hydrochlorothiazide | 21 | — |
Practice location
Mailing address
Registry dates
- Enumerated
- 2008-02-07
- Last updated
- 2008-11-05
Frequently asked questions
- What is Lillian Onyemelukwe's NPI number?
- Lillian Onyemelukwe's National Provider Identifier (NPI) is 1558549014, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Lillian Onyemelukwe's specialty?
- Lillian Onyemelukwe is listed in the NPPES registry with a primary specialty of Nurse Practitioner (Physician Assistants & Advanced Practice Nursing Providers).
- Where is Lillian Onyemelukwe located?
- Lillian Onyemelukwe's practice location on file with NPPES is 6410 Fannin St, Houston, TX 77030-3000.
- What is Lillian Onyemelukwe's phone number?
- The practice phone number listed in the NPPES registry for Lillian Onyemelukwe is (713) 500-7600.
- Does Lillian Onyemelukwe accept Medicare?
- Lillian Onyemelukwe is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Lillian Onyemelukwe's NPI active?
- Yes — Lillian Onyemelukwe's NPI (1558549014) is active in the NPPES registry as of the last update on 2008-11-05.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.