Maria J. Gaines-Onwukwe, NP
- Medicare patients, 2024
- 143
- Part D claims, 2024
- 471
- MIPS score, 2024
- 86
- Hospital affiliations
- 1
- Medical groups
- 5
- Practice address
- 500 Upper Chesapeake Drive, Bel Air, MD 21014
- Practice phone
- Call (443) 643-3303
- Professional email
- Get professional email
- Personal email
- Get personal email
- Mobile number
- Get mobile number
Find Maria Gaines-Onwukwe's professional email, personal email and mobile number
Dmand AI checks each channel through healthcare-specific waterfall enrichment. See what is on file with a free account, with practice phones, licenses and affiliations.
Maria J. Gaines-Onwukwe is an acute care nurse practitioner in Bel Air, Maryland
Maria Gaines-Onwukwe practices at University of Maryland Upper Chesapeake Medical Center Bel Air in Bel Air, Maryland, part of University of Maryland Medical System.
Maria Gaines-Onwukwe's NPI, 1154009173, was assigned on July 10, 2023. Maria Gaines-Onwukwe holds Maryland license R183361.
- NPI
- 1154009173NPI Registry (opens in a new tab)
- Medicare PAC ID
- 2163878802
- NPI enumeration date
- July 10, 2023
- NPI status
- Active
- Accepts Medicare assignment
- Yes
- Practice phone
- (443) 643-3303
- Professional email
- Get email
- Personal email
- Get email
- Mobile number
- Get number
- Sex
- Female
- Estimated age
- 30
- Medical school graduation
- 2022
Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; Dmand AI Affiliation Data; and Doctors and Clinicians National Downloadable File (CMS)
Maria J. Gaines-Onwukwe practices at University of Maryland Upper Chesapeake Medical Center Bel Air in Bel Air, Maryland
Maria Gaines-Onwukwe's primary practice is University of Maryland Upper Chesapeake Medical Center Bel Air, at 500 Upper Chesapeake Drive, Bel Air, MD 21014 in Harford County. The practice phone is (443) 643-3303.
- University of Maryland Upper Chesapeake Medical Center Bel Air500 Upper Chesapeake Drive, Bel Air, MD 21014 · Harford CountyPhone(443) 643-3303
Source: Dmand AI Affiliation Data
Maria J. Gaines-Onwukwe is affiliated with 1 site of care and 5 medical groups
Maria Gaines-Onwukwe's primary practice is University of Maryland Upper Chesapeake Medical Center Bel Air in Bel Air, Maryland, part of University of Maryland Medical System. The medical group on file is MedStar Medical Group. Dmand AI also links Maria Gaines-Onwukwe to 4 more medical groups, each named with a free account.
Sources: Dmand AI Affiliation Data; and Dmand AI Org Hierarchy Data
Dmand AI tracks the EHR system at Maria J. Gaines-Onwukwe's practice
Dmand AI tracks the electronic health record (EHR) system at each site where Maria Gaines-Onwukwe practices. Vendor and product names are available with a free account.
| Site | EHR vendor and product |
|---|---|
| University of Maryland Upper Chesapeake Medical Center Bel Air | Available with a free account |
| +4 medical groups | Available with a free account |
Source: Dmand AI Technology Install Data
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Maria J. Gaines-Onwukwe is one of 587 acute care nurse practitioners in Maryland
Acute care is Maria Gaines-Onwukwe's primary specialty in the NPI Registry, under taxonomy code 363LA2100X. Maria Gaines-Onwukwe is licensed in Maryland.
Specialties and state licenses
- Acute care nurse practitioner, MarylandPrimary
Acute care nurse practitioners near Maria Gaines-Onwukwe
Counts of acute care nurse practitioners with a Dmand AI profile, by place and practice. Each opens the list.
Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; and Dmand AI Peer Benchmarks
Maria J. Gaines-Onwukwe treated 143 Medicare patients in 2024, average age 74
CMS counts 143 Medicare patients who saw Maria Gaines-Onwukwe in 2024. The largest group is 75 to 84, with 55 patients. 75% of them have high blood pressure, and 75% have high cholesterol. 20% are also on Medicaid. Their average risk score is 2.25, where 1.00 is the Medicare average, so they are sicker than most Medicare patients.
Across all payers, Dmand AI patient panel data puts Maria Gaines-Onwukwe's median patient age at 76, with 63% women.
Maria Gaines-Onwukwe's Medicare patients by age, 2024
Maria Gaines-Onwukwe's Medicare patients by sex, 2024
- Women6848%
- Men7552%
Chronic conditions among Maria Gaines-Onwukwe's Medicare patients, 2024
- High blood pressure75%
- High cholesterol75%
- Arthritis64%
- Ischemic heart disease61%
- Mood disorders59%
- Diabetes53%
- Heart failure51%
- Depression50%
Share of Medicare patients with each condition. A patient can have several.
Maria Gaines-Onwukwe's patients across all payers
Dmand AI patient panel data covers Medicare, Medicaid and commercial patients.
Patient panel by age, all payers
Median age 76
Patient panel by sex, all payers
- Women63%
- Men37%
Sources: Dmand AI Patient Panel Data; and Medicare Physician & Other Practitioners - by Provider (CMS), 2024 data
Maria J. Gaines-Onwukwe wrote 471 Medicare Part D claims in 2024
In 2024, Maria Gaines-Onwukwe wrote 471 Medicare Part D claims for 137 patients. 87% of them were for generic drugs.
Maria Gaines-Onwukwe's Part D claims by kind of drug, 2024
- Generic409 claims87%
- Brand-name62 claims13%
Drug classes CMS tracks in Maria Gaines-Onwukwe's Part D claims, 2024
- Opioids5%22 of 471 claims
- Antibiotics15%69 of 471 claims
Share of all Part D claims for each drug class CMS reports on. Classes with no claims are left out.
Source: Medicare Part D Prescribers - by Provider (CMS), 2024 data
Maria J. Gaines-Onwukwe scored 86 out of 100 in Medicare's MIPS program for 2024
CMS publishes a Merit-based Incentive Payment System (MIPS) score of 86 out of 100 for Maria Gaines-Onwukwe for performance year 2024, reported as part of a group. Maria Gaines-Onwukwe accepts Medicare assignment, so Medicare's approved amount is taken as full payment.
- Accepts Medicare assignment
- Yes
Maria Gaines-Onwukwe's MIPS scores, performance year 2024
- 86of 100Final score
- 80.9of 100Quality
- 40of 100Improvement Activities
- 75of 100Cost
Each score is out of 100. The final score weighs the categories CMS scored for this clinician.
Sources: Doctors and Clinicians National Downloadable File (CMS); and Clinician Public Reporting: Overall MIPS Performance (CMS), 2024 data, released September 10, 2026
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Sources for Maria J. Gaines-Onwukwe's profile data
| Data on this page | Source |
|---|---|
| NPI, name, sex, specialty and licenses | NPPES NPI Registry (CMS) (opens in a new tab)Dmand AI Professional Profile Data |
| Practice locations and phone | Dmand AI Affiliation Data |
| Primary practice, affiliations and health system | Dmand AI Affiliation DataDmand AI Org Hierarchy Data |
| Medicare patients and the all-payer patient panel | Dmand AI Patient Panel DataMedicare Physician & Other Practitioners - by Provider (CMS) (opens in a new tab) |
| Part D prescribing | Medicare Part D Prescribers - by Provider (CMS) (opens in a new tab) |
| MIPS scores, telehealth, assignment and procedure percentiles | Doctors and Clinicians National Downloadable File (CMS) (opens in a new tab)Clinician Public Reporting: Overall MIPS Performance (CMS) (opens in a new tab) |
| EHR at each practice site | Dmand AI Technology Install Data |
| Similar physicians | Dmand AI Affiliation Data |
Data last refreshed October 2026Report an inaccuracyRemove my information
FAQ
Frequently asked questions about Maria J. Gaines-Onwukwe
Spotted something out of date? Email hello@dmand.ai and we will check the record. Contact details live in the free trial.
What is Maria J. Gaines-Onwukwe's NPI number?
Maria J. Gaines-Onwukwe's NPI number is 1154009173. It was assigned on July 10, 2023, and it is active in the NPI Registry.
What does Maria J. Gaines-Onwukwe specialize in?
Maria J. Gaines-Onwukwe is an acute care nurse practitioner in Bel Air, Maryland. The primary specialty in the NPI Registry is Acute Care Nurse Practitioner (taxonomy code 363LA2100X).
Where does Maria J. Gaines-Onwukwe practice?
Maria Gaines-Onwukwe practices at 500 Upper Chesapeake Drive, Bel Air, MD 21014. Maria Gaines-Onwukwe's primary practice is University of Maryland Upper Chesapeake Medical Center Bel Air in Bel Air, Maryland, part of University of Maryland Medical System. Dmand AI also links Maria Gaines-Onwukwe to 4 medical groups.
What is Maria J. Gaines-Onwukwe's office phone number?
The practice phone on file for Maria Gaines-Onwukwe is (443) 643-3303.
What is Maria J. Gaines-Onwukwe's medical license number?
Maria Gaines-Onwukwe holds Maryland license R183361, one of 2 state licenses on file.
Which hospitals is Maria J. Gaines-Onwukwe affiliated with?
Maria Gaines-Onwukwe practices at University of Maryland Upper Chesapeake Medical Center Bel Air in Bel Air, Maryland.
What medical group is Maria J. Gaines-Onwukwe part of?
Maria Gaines-Onwukwe is linked to MedStar Medical Group. Dmand AI links Maria Gaines-Onwukwe to 4 more medical groups.
Does Maria J. Gaines-Onwukwe accept Medicare?
Yes. CMS lists Maria Gaines-Onwukwe as accepting Medicare assignment.
What is Maria J. Gaines-Onwukwe's MIPS score?
Maria Gaines-Onwukwe's MIPS final score for performance year 2024 is 86 out of 100, reported as part of a group.
How many Medicare patients does Maria J. Gaines-Onwukwe see?
CMS counts 143 Medicare patients who saw Maria Gaines-Onwukwe in 2024, with an average age of 74.
How long has Maria J. Gaines-Onwukwe been practicing?
Maria Gaines-Onwukwe graduated from medical school in 2022, 4 years ago.
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