Nancy L. O'Neil, CRNA
- Medicare patients, 2024
- 160
- Hospital affiliations
- 1
- Medical groups
- 2
- State license
- 1
- Year NPI issued
- 2006
- Practice address
- 759 Chestnut Street, Springfield, MA 01199
- Practice phone
- Call (413) 794-0000
- Professional email
- Get professional email
- Personal email
- Get personal email
- Mobile number
- Get mobile number
Primary practice
Find Nancy O'Neil's professional email, personal email and mobile number
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Nancy L. O'Neil is a nurse anesthetist in Springfield, Massachusetts
Nancy O'Neil practices at Baystate Medical Center in Springfield, Massachusetts, part of Baystate Health.
Nancy O'Neil's NPI, 1457398497, was assigned on May 31, 2006. Nancy O'Neil holds Massachusetts license 137566.
- NPI
- 1457398497NPI Registry (opens in a new tab)
- Medicare PAC ID
- 4183635113
- NPI enumeration date
- May 31, 2006
- NPI status
- Active
- Accepts Medicare assignment
- Yes
- Practice phone
- (413) 794-0000
- Professional email
- Get email
- Personal email
- Get email
- Mobile number
- Get number
- Sex
- Female
- Estimated age
- 68
- Medical school graduation
- 1984
Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; Dmand AI Affiliation Data; and Doctors and Clinicians National Downloadable File (CMS)
Nancy L. O'Neil practices at Baystate Medical Center in Springfield, Massachusetts
Nancy O'Neil's primary practice is Baystate Medical Center, at 759 Chestnut Street, Springfield, MA 01199 in Hampden County. The practice phone is (413) 794-0000.
- Baystate Medical Center759 Chestnut Street, Springfield, MA 01199 · Hampden CountyPhone(413) 794-0000
Source: Dmand AI Affiliation Data
Nancy L. O'Neil is affiliated with 3 sites of care and 2 medical groups
Nancy O'Neil's primary practice is Baystate Medical Center in Springfield, Massachusetts, part of Baystate Health. The medical group on file is Baystate Medical Practices. Dmand AI also links Nancy O'Neil to 2 more group practices and clinics and 1 medical group, each named with a free account.
Sources: Dmand AI Affiliation Data; and Dmand AI Org Hierarchy Data
Dmand AI tracks the EHR system at Nancy L. O'Neil's practice
Dmand AI tracks the electronic health record (EHR) system at each site where Nancy O'Neil practices, 3 sites in all. Vendor and product names are available with a free account.
| Site | EHR vendor and product |
|---|---|
| Baystate Medical Center | Available with a free account |
| +2 more sites and 1 medical group | Available with a free account |
Source: Dmand AI Technology Install Data
For health IT teams
Dmand AI maps EHR vendors, IT decision makers and buying committees across Baystate Health and 6.2K+ hospitals, with verified contacts in the same login.
Nancy L. O'Neil is one of 1,027 nurse anesthetists in Massachusetts
Nurse anesthetist, certified registered is Nancy O'Neil's primary specialty in the NPI Registry, under taxonomy code 367500000X. Nancy O'Neil is licensed in Massachusetts.
Specialties and state licenses
- Certified registered nurse anesthetist, MassachusettsPrimary
Nurse anesthetists near Nancy O'Neil
Counts of nurse anesthetists 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
Nancy L. O'Neil treated 160 Medicare patients in 2024, average age 73
CMS counts 160 Medicare patients who saw Nancy O'Neil in 2024. The largest group is 65 to 74, with 60 patients. 75% of them have high blood pressure, and 75% have high cholesterol. 31% are also on Medicaid. Their average risk score is 1.69, where 1.00 is the Medicare average, so they are sicker than most Medicare patients.
Across all payers, Dmand AI patient panel data puts Nancy O'Neil's median patient age at 70, with 40% women.
Nancy O'Neil's Medicare patients by age, 2024
Nancy O'Neil's Medicare patients by sex, 2024
- Women8553%
- Men7547%
Chronic conditions among Nancy O'Neil's Medicare patients, 2024
- High blood pressure75%
- High cholesterol75%
- Arthritis58%
- Anxiety36%
- Chronic kidney disease35%
- Diabetes33%
- Mood disorders33%
- Ischemic heart disease30%
Share of Medicare patients with each condition. A patient can have several.
Nancy O'Neil's patients across all payers
Dmand AI patient panel data covers Medicare, Medicaid and commercial patients.
Patient panel by age, all payers
Median age 70
Patient panel by sex, all payers
- Women40%
- Men60%
Sources: Dmand AI Patient Panel Data; and Medicare Physician & Other Practitioners - by Provider (CMS), 2024 data
How Nancy L. O'Neil takes part in Medicare
Nancy O'Neil accepts Medicare assignment, so Medicare's approved amount is taken as full payment.
- Accepts Medicare assignment
- Yes
Source: Doctors and Clinicians National Downloadable File (CMS)
Sources for Nancy L. O'Neil'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) |
| MIPS scores, telehealth, assignment and procedure percentiles | Doctors and Clinicians National Downloadable File (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 Nancy L. O'Neil
Spotted something out of date? Email hello@dmand.ai and we will check the record. Contact details live in the free trial.
What is Nancy L. O'Neil's NPI number?
Nancy L. O'Neil's NPI number is 1457398497. It was assigned on May 31, 2006, and it is active in the NPI Registry.
What does Nancy L. O'Neil specialize in?
Nancy L. O'Neil is a nurse anesthetist in Springfield, Massachusetts. The primary specialty in the NPI Registry is Certified Registered Nurse Anesthetist (taxonomy code 367500000X).
Where does Nancy L. O'Neil practice?
Nancy O'Neil practices at 759 Chestnut Street, Springfield, MA 01199. Nancy O'Neil's primary practice is Baystate Medical Center in Springfield, Massachusetts, part of Baystate Health. Dmand AI also links Nancy O'Neil to 2 group practices and clinics and 1 medical group.
What is Nancy L. O'Neil's office phone number?
The practice phone on file for Nancy O'Neil is (413) 794-0000.
What is Nancy L. O'Neil's medical license number?
Nancy O'Neil holds Massachusetts license 137566.
Which hospitals is Nancy L. O'Neil affiliated with?
Nancy O'Neil practices at Baystate Medical Center in Springfield, Massachusetts.
What medical group is Nancy L. O'Neil part of?
Nancy O'Neil is linked to Baystate Medical Practices. Dmand AI links Nancy O'Neil to 1 more medical group.
Does Nancy L. O'Neil accept Medicare?
Yes. CMS lists Nancy O'Neil as accepting Medicare assignment.
How many Medicare patients does Nancy L. O'Neil see?
CMS counts 160 Medicare patients who saw Nancy O'Neil in 2024, with an average age of 73.
How long has Nancy L. O'Neil been practicing?
Nancy O'Neil graduated from medical school in 1984, 42 years ago.
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