MARIA J GAINES-ONWUKWE NURSE PRACTITIONER
NPI 1154009173
Nurse Practitioner - Acute Care in Aberdeen, MD

Active since July 10, 2023PECOS EnrolledAccepts Medicare Assignment
1013 BEARDS HILL RD STE 101M, ABERDEEN, MD 21001(443) 655-3262 Get Directions Write a Review

NPPES record last updated: August 6, 2025. Verified against the NPPES registry weekly; last sync: August 09, 2026.

Record update history: Aug 6, 2025, Jul 10, 2023 (2 updates tracked since 2023).

About Maria J Gaines-onwukwe Nurse Practitioner NPPES

Official registry information on file with the National Plan and Provider Enumeration System.

MARIA J GAINES-ONWUKWE NURSE PRACTITIONER (NPI 1154009173) is an individual acute care provider in Aberdeen, Maryland, licensed in Maryland (R183361) and active in the NPI registry since July 2023. She is enrolled in Medicare PECOS, is affiliated with Umd Upper Chesapeake Medical Center, and is a graduate of Other (2022).

NPPES Registry Identity

NPI1154009173
Entity TypeIndividualFemale
Primary Taxonomy363LA2100X
Provider Legal NameMARIA J GAINES-ONWUKWECredential: NURSE PRACTITIONER
Location Address1013 BEARDS HILL RD STE 101MAberdeen, MD 21001-2295
Mailing Address1013 Beards Hill Rd Ste 101mAberdeen, MD 21001-2295 · (443) 655-3262
Sole ProprietorYes
Medical School CMSOtherGraduated 2022
Enumeration DateJuly 10, 2023
Last NPPES UpdateAugust 6, 20252 updates tracked since enumeration
NPPES CertifiedAugust 6, 2025
NPI 1154009173 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses 10

Primary SpecialtyNurse Practitioner · Acute CarePhysician Assistants & Advanced Practice Nursing Providers
Taxonomy Code363LA2100X
License Licensed in MD · R183361
Also ListedRegistered NurseTaxonomy 163W00000X · License R183361 (MD)
Also ListedRegistered Nurse · AdministratorTaxonomy 163WA2000X · License R183361 (MD)
Also ListedRegistered Nurse · Case ManagementTaxonomy 163WC0400X · License R183361 (MD)
Also ListedInternal MedicineTaxonomy 207R00000X · License R183361 (MD)
Also ListedHome InfusionTaxonomy 251F00000X
Also ListedClinic/CenterTaxonomy 261Q00000X
Also ListedPoint of ServiceTaxonomy 305S00000X · License R183361 (MD)
Also ListedNurse Practitioner · Adult HealthTaxonomy 363LA2200X · License R183361 (MD)
Also ListedNurse Practitioner · GerontologyTaxonomy 363LG0600X · License R183361 (MD)
1013 BEARDS HILL RD STE 101M, Aberdeen, MD 21001

Group Practice 1

Group TaxonomyThis provdier is a business group of one or more individual practitioners, all of who practice with the same area of specialization.193400000X SINGLE SPECIALTY GROUP

Medicare Participation & PECOS CMS

Medicare enrollment, assignment, and ordering and referring status from the CMS PECOS system.

Medicare Enrollment Status

Enrolled in Medicare and accepts Medicare assignment

Maria J Gaines-onwukwe Nurse Practitioner is registered in PECOS and agrees to accept the Medicare-approved amount as full payment. Medicare patients are not billed beyond the standard deductible and coinsurance.

PECOS PAC ID2163878802
PECOS Enrollment IDI20231101000028
Eligible to Order & Refer Part B Labs & Imaging Durable Medical Equipment Home Health Agency Power Mobility DevicesPer the CMS Ordering and Referring file. Eligibility means Medicare pays claims that this provider orders or refers for these categories.

Areas of Expertise CMS Part B claims 3

Services this provider delivered to Medicare fee-for-service patients, from the CMS Medicare utilization data. Higher counts generally reflect more experience with a service; care delivered outside Medicare is not included.

Subsequent hospital care with moderate levelof medical decision making, if using time, at least 50 minutes 99233
Follow-up hospital inpatient care per day typically involves a 35-minute check-up by your healthcare provider. This service includes monitoring your health progress, adjusting your treatment plan if needed, and answering any questions you may have about your condition or care.
251 services107 patients
Hospital discharge day management, more than 30 minutes 99239
Hospital discharge day management over 30 minutes involves a detailed process to ensure a smooth transition from hospital to home. It includes final examinations, discussion of your hospital stay, post-discharge instructions, and coordinating follow-up care.
77 services77 patients
Subsequent hospital care with moderate levelof medical decision making, if using time, at least 35 minutes 99232
Follow-up hospital inpatient care involves daily check-ups while you're admitted in the hospital. Typically, a healthcare provider spends about 25 minutes each day reviewing your condition, adjusting treatment if needed, and answering any questions you might have.
44 services31 patients

Hospital Affiliations CMS Care Compare

Hospitals where this provider delivers care, identified from recent Medicare claims and place-of-service records.

Umd Upper Chesapeake Medical Center

Acute Care Hospitals · Bel Air, MD
2/5 CMS rating
OwnershipVoluntary non-profit - Other
CMS Certification Number210049
Location500 Upper Chesapeake DriveBel Air, MD 21014 · Harford County
Emergency services Birthing friendly

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 21001 ZIP code area, from fee-for-service claims. These are area statistics, not this provider’s prices; actual charges vary by service and coverage.

New Patient
$94.08 typical visit price
range $60.73 – $183.44
Typical copayment $23.52 (range $15.18 – $45.86)
Most-billed visit code 99203
Established Patient
$106.59 typical visit price
range $19.60 – $149.17
Typical copayment $26.64 (range $4.90 – $37.29)
Most-billed visit code 99214
Amounts reflect what Medicare beneficiaries in this ZIP area are typically charged for office visits. Patients with other coverage should check their individual plans.

Other Providers at the Same Location NPPES

Providers registered at the same practice address, or within the immediate area, according to the NPPES registry.

Counselor (Mental Health)
1013 BEARDS HILL RD STE 101M
ABERDEEN, MD 21001

Frequently Asked Questions NPPES & CMS

Common questions about this NPI record, answered from the official NPPES registry and CMS datasets shown on this page.

What is Maria Gaines-onwukwe's NPI number?

The NPI number for Maria Gaines-onwukwe is 1154009173. It was assigned to this individual provider in the NPPES registry on July 10, 2023.

Where is Maria Gaines-onwukwe located?

Maria Gaines-onwukwe practices at 1013 Beards Hill Rd Ste 101M, Aberdeen, MD 21001. The listed phone number is (443) 655-3262.

What is Maria Gaines-onwukwe's specialty?

The primary specialty registered for this NPI is Nurse Practitioner, specializing in Acute Care, with taxonomy code 363LA2100X.

Is Maria Gaines-onwukwe enrolled in Medicare?

Yes. Maria Gaines-onwukwe is registered in the Medicare PECOS system and accepts Medicare assignment, which means accepting the Medicare-approved amount as payment in full for covered services.

Is Maria Gaines-onwukwe affiliated with any hospitals?

According to CMS data, Maria Gaines-onwukwe is affiliated with Umd Upper Chesapeake Medical Center.

When was this NPI record last updated?

The NPPES record for Maria Gaines-onwukwe was last updated on August 6, 2025. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 12 months ago. If this record has changed at CMS more recently, you can request an on-demand re-check against the live CMS registry, directly from this page.