Maria Gaines-Onwukwe, NURSE PRACTITIONER
NPI 1154009173 · Acute Care Nurse Practitioner · Aberdeen, MD
Enrolled with Medicare as Practitioner - Nurse Practitioner · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Maria Gaines-Onwukwe, NURSE PRACTITIONER is a Acute Care Nurse Practitioner provider in Aberdeen, MD (NPI 1154009173).
Provider details
- NPI number
- 1154009173
- Entity type
- Individual
- Primary specialty
- Acute Care Nurse PractitionerPhysician Assistants & Advanced Practice Nursing Providers
- Credential
- NURSE PRACTITIONER
- Sex
- Female
- Sole proprietor
- Yes
- License
- R183361 (MD)
Specialties & taxonomies
Physician Assistants & Advanced Practice Nursing Providers
Nursing Service Providers
Nursing Service Providers
Nursing Service Providers
Allopathic & Osteopathic Physicians
- Home Infusion Agency251F00000X
Agencies
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure28% of score
2 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
383 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) |
|---|---|---|
| Subsequent Hospital Care With Moderate Levelof Medical Decision Making, If Using Time, at Least 50 Minutes99233 | 251 | $103 |
| Hospital Discharge Day Management, More Than 30 Minutes99239 | 77 | $99 |
| Subsequent Hospital Care With Moderate Levelof Medical Decision Making, If Using Time, at Least 35 Minutes99232 | 44 | $68 |
| Administration of a Standardized, Evidence-Based Social Determinants of Health Risk Assessment Tool, 5-15 MinutesG0136 | 11 | $8 |
Typical Medicare-allowed amounts for these services range $8–$103 (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 · 12 distinct drugs on file.
| Drug | Part D claims (2024) | Beneficiaries |
|---|---|---|
| Atorvastatin Calcium | 29 | 18 |
| Apixabanbrand: Eliquis | 21 | 11 |
| Furosemide | 20 | 14 |
| Metoprolol Tartrate | 19 | 12 |
| Pantoprazole Sodium | 19 | 16 |
| Losartan Potassium | 18 | — |
| Cefpodoxime Proxetil | 17 |
Practice location
Mailing address
Registry dates
- Enumerated
- 2023-07-10
- Last updated
- 2025-08-06
- Certified
- 2025-08-06
Frequently asked questions
- What is Maria Gaines-Onwukwe's NPI number?
- Maria Gaines-Onwukwe's National Provider Identifier (NPI) is 1154009173, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Maria Gaines-Onwukwe's specialty?
- Maria Gaines-Onwukwe is listed in the NPPES registry with a primary specialty of Acute Care Nurse Practitioner (Physician Assistants & Advanced Practice Nursing Providers).
- Where is Maria Gaines-Onwukwe located?
- Maria Gaines-Onwukwe's practice location on file with NPPES is 1013 Beards Hill Rd Ste 101m, Aberdeen, MD 21001-2295.
- What is Maria Gaines-Onwukwe's phone number?
- The practice phone number listed in the NPPES registry for Maria Gaines-Onwukwe is (443) 655-3262.
- Does Maria Gaines-Onwukwe accept Medicare?
- Maria Gaines-Onwukwe is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Maria Gaines-Onwukwe's NPI active?
- Yes — Maria Gaines-Onwukwe's NPI (1154009173) is active in the NPPES registry as of the last update on 2025-08-06.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.