Teresa Ann Oneill, NP
- Medicare services, 2024
- 548
- Medicare patients, 2024
- 252
- Part D claims, 2024
- 396
- MIPS score, 2024
- 100
- Hospital affiliations
- 1
- Practice address
- 1530 East Cypress Way, Santa Maria, CA 93454
- Practice phone
- Call (805) 739-3650
- Professional email
- Get professional email
- Personal email
- Get personal email
- Mobile number
- Get mobile number
Primary practice
Marian Extended Care Center
Skilled Nursing Facility - Hospital-Based · Santa Maria, California
Find Teresa Oneill's professional email, personal email and mobile number
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Teresa Ann Oneill is a nurse practitioner in Santa Maria, California
Teresa Oneill practices at Marian Extended Care Center in Santa Maria, California.
Teresa Oneill's NPI, 1144887530, was assigned on May 21, 2019. Teresa Oneill holds California license 223872881.
- NPI
- 1144887530NPI Registry (opens in a new tab)
- Medicare PAC ID
- 0143551473
- NPI enumeration date
- May 21, 2019
- NPI status
- Active
- Accepts Medicare assignment
- Yes
- Practice phone
- (805) 739-3650
- Professional email
- Get email
- Personal email
- Get email
- Mobile number
- Get number
- Sex
- Female
- Estimated age
- 34
- Medical school graduation
- 2018
Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; Dmand AI Affiliation Data; and Doctors and Clinicians National Downloadable File (CMS)
Teresa Ann Oneill practices at Marian Extended Care Center in Santa Maria, California
Teresa Oneill's primary practice is Marian Extended Care Center, at 1530 East Cypress Way, Santa Maria, CA 93454 in Santa Barbara County. The practice phone is (805) 739-3650.
- Marian Extended Care Center1530 East Cypress Way, Santa Maria, CA 93454 · Santa Barbara CountyPhone(805) 739-3650
Source: Dmand AI Affiliation Data
Teresa Ann Oneill is affiliated with 3 sites of care and 1 medical group
Teresa Oneill's primary practice is Marian Extended Care Center in Santa Maria, California. Teresa Oneill is also affiliated with Dignity Health - Marian Regional Medical Center. The medical group on file is Pacific Central Coast Health Centers Medical Group. Dmand AI also links Teresa Oneill to 1 more group practice or clinic, named with a free account.
Sources: Dmand AI Affiliation Data; and Dmand AI Org Hierarchy Data
Dmand AI tracks the EHR system at Teresa Ann Oneill's practice
Dmand AI tracks the electronic health record (EHR) system at each site where Teresa Oneill practices, 3 sites in all. Vendor and product names are available with a free account.
| Site | EHR vendor and product |
|---|---|
| Marian Extended Care Center | Available with a free account |
| +2 more affiliated sites | Available with a free account |
Source: Dmand AI Technology Install Data
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Teresa Ann Oneill is one of 5,983 nurse practitioners in California
Nurse practitioner is Teresa Oneill's primary specialty in the NPI Registry, under taxonomy code 363L00000X. Teresa Oneill is licensed in California.
Specialties and state licenses
- Nurse practitioner, CaliforniaPrimary
Nurse practitioners near Teresa Oneill
Counts of 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
Teresa Ann Oneill billed Medicare for 548 services in 2024
CMS data shows 548 Medicare services from Teresa Oneill across 4 procedure codes in 2024, for 252 Medicare patients. Medicare paid $35,271 for them. Every service was in a facility, such as a hospital, rather than an office.
Teresa Oneill compared with the California median for nurse practitioners, 2024
- Teresa Oneill
- California median
- Medicare services
- 548vs 27996% above
- Medicare patients
- 252vs 922.7 times
- Part D claims
- 146vs 36660% below
Medians across 3,047 nurse practitioners in California with Dmand AI profiles that report each measure.
Teresa Oneill's most billed Medicare procedure codes, 2024
CMS publishes codes billed for 11 or more Medicare patients. Each label is the code family; CPT descriptions are licensed by the AMA.
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Sources: Medicare Physician & Other Practitioners - by Provider and Service (CMS), 2024 data; and Dmand AI Peer Benchmarks
Teresa Ann Oneill treated 252 Medicare patients in 2024, average age 81
CMS counts 252 Medicare patients who saw Teresa Oneill in 2024. The largest group is 85 and over, with 102 patients. 75% of them have high blood pressure, and 75% have high cholesterol. 46% are also on Medicaid. Their average risk score is 2.13, where 1.00 is the Medicare average, so they are sicker than most Medicare patients.
Across all payers, Dmand AI patient panel data puts Teresa Oneill's median patient age at 79, with 59% women.
Teresa Oneill's Medicare patients by age, 2024
CMS leaves out age groups with fewer than 11 patients.
Teresa Oneill's Medicare patients by sex, 2024
- Women14758%
- Men10542%
Chronic conditions among Teresa Oneill's Medicare patients, 2024
- High blood pressure75%
- High cholesterol75%
- Arthritis62%
- Chronic kidney disease52%
- Diabetes49%
- Mood disorders46%
- Heart failure44%
- Depression43%
Share of Medicare patients with each condition. A patient can have several.
Teresa Oneill's patients across all payers
Dmand AI patient panel data covers Medicare, Medicaid and commercial patients.
Patient panel by age, all payers
Median age 79
Patient panel by sex, all payers
- Women59%
- Men41%
Sources: Dmand AI Patient Panel Data; and Medicare Physician & Other Practitioners - by Provider (CMS), 2024 data
Teresa Ann Oneill wrote 396 Medicare Part D claims in 2024
In 2024, Teresa Oneill wrote 396 Medicare Part D claims for 134 patients. 86% of them were for generic drugs. CMS names the drug for 146 of them, across 8 drugs with 11 or more claims each, at $2,375 in total drug cost.
Teresa Oneill's Part D claims by kind of drug, 2024
- Generic341 claims86%
- Brand-name and other55 claims14%
Teresa Oneill's most prescribed drugs by claims, 2024
CMS names a drug when it has 11 or more claims. Share is of the claims for drugs CMS names.
Drug classes CMS tracks in Teresa Oneill's Part D claims, 2024
- Opioids4%14 of 396 claims
- Antibiotics8%33 of 396 claims
Share of all Part D claims for each drug class CMS reports on. Classes with no claims are left out.
Sources: Medicare Part D Prescribers - by Provider and Drug (CMS), 2024 data, released May 6, 2026; and Medicare Part D Prescribers - by Provider (CMS), 2024 data
Teresa Ann Oneill scored 100 out of 100 in Medicare's MIPS program for 2024
CMS publishes a Merit-based Incentive Payment System (MIPS) score of 100 out of 100 for Teresa Oneill for performance year 2024, reported through an alternative payment model (APM). Teresa Oneill accepts Medicare assignment, so Medicare's approved amount is taken as full payment.
- Accepts Medicare assignment
- Yes
Teresa Oneill's MIPS scores, performance year 2024
- 100of 100Final score
- 86.3of 100Quality
- 100of 100Promoting Interoperability
- 40of 100Improvement Activities
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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Teresa Ann Oneill received $739 in industry payments from 2024 to 2025
CMS Open Payments shows 12 general payments to Teresa Oneill from 7 drug and device companies from 2024 to 2025. Food and beverage make up the largest share, 100% of the total. Novo Nordisk Inc paid the most, $237.
General payments to Teresa Oneill by program year, 2024 to 2025
Companies that paid Teresa Oneill the most, 2024 to 2025
Share is of all general payments to this clinician.
Source: Open Payments (CMS), 2025 data, released July 7, 2026
Sources for Teresa Ann Oneill'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 services and procedure codes | Medicare Physician & Other Practitioners - by Provider and Service (CMS) (opens in a new tab) |
| State medians for the same specialty | Dmand AI Peer Benchmarks |
| 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 and Drug (CMS) (opens in a new tab)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) |
| Industry payments | Open Payments (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 Teresa Ann Oneill
Spotted something out of date? Email hello@dmand.ai and we will check the record. Contact details live in the free trial.
What is Teresa Ann Oneill's NPI number?
Teresa Ann Oneill's NPI number is 1144887530. It was assigned on May 21, 2019, and it is active in the NPI Registry.
What does Teresa Ann Oneill specialize in?
Teresa Ann Oneill is a nurse practitioner in Santa Maria, California. The primary specialty in the NPI Registry is Nurse Practitioner (taxonomy code 363L00000X).
Where does Teresa Ann Oneill practice?
Teresa Oneill practices at 1530 East Cypress Way, Santa Maria, CA 93454. Teresa Oneill's primary practice is Marian Extended Care Center in Santa Maria, California. Dmand AI also links Teresa Oneill to 1 group practice or clinic.
What is Teresa Ann Oneill's office phone number?
The practice phone on file for Teresa Oneill is (805) 739-3650.
What is Teresa Ann Oneill's medical license number?
Teresa Oneill holds California license 223872881.
Which hospitals is Teresa Ann Oneill affiliated with?
Teresa Oneill is affiliated with Dignity Health - Marian Regional Medical Center.
What medical group is Teresa Ann Oneill part of?
Teresa Oneill is linked to Pacific Central Coast Health Centers Medical Group.
Does Teresa Ann Oneill accept Medicare?
Yes. CMS data shows Teresa Oneill billed Medicare for 548 services in 2024, and Teresa Oneill accepts Medicare assignment.
What is Teresa Ann Oneill's MIPS score?
Teresa Oneill's MIPS final score for performance year 2024 is 100 out of 100, reported through an alternative payment model (APM).
How many Medicare patients does Teresa Ann Oneill see?
CMS counts 252 Medicare patients who saw Teresa Oneill in 2024, with an average age of 81.
Show 4 more questionsShow fewer questions
What services does Teresa Ann Oneill bill to Medicare?
In 2024, Teresa Oneill's most billed Medicare services were nursing facility care (99308), nursing facility care (99316) and nursing facility care (99309).
What drugs does Teresa Ann Oneill prescribe most?
In 2024 Medicare Part D data, Teresa Oneill's most prescribed drugs by claims were Omeprazole, Hydrocortisone and Alprazolam.
Has Teresa Ann Oneill received payments from drug or device companies?
CMS Open Payments shows $739 in general payments to Teresa Oneill from 7 companies from 2024 to 2025. The largest total came from Novo Nordisk Inc.
How long has Teresa Ann Oneill been practicing?
Teresa Oneill graduated from medical school in 2018, 8 years ago.
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