Provider Profile
Listed in the NPI registry as a nurse practitioner, Maria J. Gaines-Onwukwe, NURSE PRACTITIONER practices in Aberdeen, MD. Maria is also listed as specializing in registered nurse, internal medicine, and clinic / center. Medicare claims data shows Maria provided 383 services to 226 patients. The services billed most often include subsequent hospital care with moderate levelof medical decision making, if using time, at least 50 minutes, hospital discharge day management, more than 30 minutes, and subsequent hospital care with moderate levelof medical decision making, if using time, at least 35 minutes. NPI 1154009173 identifies this record in the national registry.
Factual summary compiled by Guide.md from public records; not written by this provider.
Exactly as CMS reports it (National Downloadable File, Opt-Out Affidavits, Order & Referring). Not an insurance directory; confirm coverage with the office.
1013 BEARDS HILL RD STE 101M
Aberdeen, MD 21001
383 services · 226 patients · 4 distinct codes
| Procedure | Type | Code | Services | Compared with peers |
|---|---|---|---|---|
| Subsequent hospital care with moderate levelof medical decision making, if using time, at least 50 minutes | Office visit | 99233 |
251 | More than most peers in Nurse Practitioner |
| Hospital discharge day management, more than 30 minutes | Office visit | 99239 |
77 | More often than most peers in Nurse Practitioner |
| Subsequent hospital care with moderate levelof medical decision making, if using time, at least 35 minutes | Office visit | 99232 |
44 | As often as other peers in Nurse Practitioner |
| Administration of a standardized, evidence-based social determinants of health risk assessment tool, 5-15 minutes | Billing code | G0136 |
11 | Too few peers to compare |
Source: CMS Medicare public data. Shows how often procedures were billed — not quality of care or patient satisfaction.
Maria J. Gaines-Onwukwe is a nurse practitioner in Aberdeen, MD. That is the designation recorded for this NPI in the federal registry.
NPI registry
Maria J. Gaines-Onwukwe is listed at 1013 Beards Hill Rd Ste 101M, Aberdeen, MD 21001. Addresses come from the NPI registry and can lag a move, so confirm before travelling.
NPI registry
The number on file is (443) 655-3262. Contact the office directly to confirm availability and scheduling.
NPI registry
Maria J. Gaines-Onwukwe's National Provider Identifier is 1154009173. It is issued by the Centers for Medicare & Medicaid Services and is unique and permanent — it does not change if they move practice.
NPI registry
Maria J. Gaines-Onwukwe attended Other, graduating in 2022. This comes from the CMS National Downloadable File.
CMS public data
Maria J. Gaines-Onwukwe has 4 years experience. Calculated from a graduation year of 2022, reported in the CMS National Downloadable File.
CMS public data
According to Medicare billing data, Maria J. Gaines-Onwukwe the Medicare record under this individual NPI shows mainly office visits and diagnostic testing. Hospital-based physicians usually have their procedural work billed by the facility rather than under their own number, so this is a floor on their practice, not a description of it. This reflects Medicare patients only and is billing volume, not a measure of quality.
Medicare claims
Not yet. This profile is built from public federal data and has not been confirmed by Maria J. Gaines-Onwukwe. If this is you, claiming it is free.
Guide.md
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