Dr. Anne O'Neill, MD
- Medicare services, 2020
- 427
- Part D claims, 2020
- 63
- Hospital affiliations
- 2
- Industry payments
- $5,399
- State license
- 1
- Practice address
- 4001 J St, Sacramento, CA 95819
- Practice phone
- Call (916) 453-4453
- Professional email
- Get professional email
- Personal email
- Get personal email
- Mobile number
- Get mobile number
Primary practice
Find Dr. O'Neill'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.
Dr. Anne O'Neill is a general surgeon in Sacramento, California
Dr. O'Neill practices at Dignity Health - Mercy General Hospital in Sacramento, California, part of CommonSpirit Health.
Dr. O'Neill's NPI, 1114181484, was assigned on July 15, 2008. Dr. O'Neill holds New Jersey license 25MA08019300.
- NPI
- 1114181484NPI Registry (opens in a new tab)
- NPI enumeration date
- July 15, 2008
- NPI status
- Active
- Practice phone
- (916) 453-4453
- Professional email
- Get email
- Personal email
- Get email
- Mobile number
- Get number
- Sex
- Female
Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; and Dmand AI Affiliation Data
Dr. Anne O'Neill practices at Dignity Health - Mercy General Hospital in Sacramento, California
Dr. O'Neill's primary practice is Dignity Health - Mercy General Hospital, at 4001 J St, Sacramento, CA 95819 in Sacramento County. The practice phone is (916) 453-4453.
- Dignity Health - Mercy General Hospital4001 J St, Sacramento, CA 95819 · Sacramento CountyPhone(916) 453-4453
Source: Dmand AI Affiliation Data
Dr. Anne O'Neill is affiliated with 2 sites of care
Dr. O'Neill's primary practice is Dignity Health - Mercy General Hospital in Sacramento, California, part of CommonSpirit Health. Dmand AI also links Dr. O'Neill to 1 hospital, named with a free account.
Sources: Dmand AI Affiliation Data; and Dmand AI Org Hierarchy Data
Dmand AI tracks the EHR system at Dr. Anne O'Neill's practice
Dmand AI tracks the electronic health record (EHR) system at each site where Dr. O'Neill practices, 2 sites in all. Vendor and product names are available with a free account.
| Site | EHR vendor and product |
|---|---|
| Dignity Health - Mercy General Hospital | Available with a free account |
| +1 more affiliated site | Available with a free account |
Source: Dmand AI Technology Install Data
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Dr. Anne O'Neill is one of 2,926 general surgeons in California
Surgery is Dr. O'Neill's primary specialty in the NPI Registry, under taxonomy code 208600000X. Dr. O'Neill is licensed in New Jersey.
Specialties and state licenses
- Surgery, New JerseyPrimary
General surgeons near Dr. O'Neill
Counts of general surgeons 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
Dr. Anne O'Neill billed Medicare for 427 services in 2020
CMS data shows 427 Medicare services from Dr. O'Neill across 9 procedure codes in 2020. Medicare paid $43,764 for them.
Dr. O'Neill's Medicare services by type, 2019 to 2020
- 2019
- 2020
- Office and hospital visits
- 2019: 4822020: 36424%
- Surgery
- 2019: 702020: 6310%
Where Dr. O'Neill's Medicare services took place, 2020
- In an office36485%
- In a facility6315%
Dr. O'Neill compared with the California median for general surgeons, 2020
- Dr. O'Neill
- California median
- Medicare services
- 427vs 1662.6 times
- Part D claims
- 63vs 3485% above
Medians across 2,606 general surgeons in California with Dmand AI profiles that report each measure.
Dr. O'Neill's most billed Medicare procedure codes, 2020
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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Medicare shows one payer. Book a meeting to get commercial claims data for Dr. O'Neill and other general surgeons in California.
Sources: Medicare Physician & Other Practitioners - by Provider and Service (CMS), 2024 data; and Dmand AI Peer Benchmarks
Dr. Anne O'Neill's patients have a median age of 66
Across all payers, Dmand AI patient panel data puts Dr. O'Neill's median patient age at 66, with 97% women.
Dr. O'Neill's patients across all payers
Dmand AI patient panel data covers Medicare, Medicaid and commercial patients.
Patient panel by age, all payers
Median age 66
Patient panel by sex, all payers
- Women97%
- Men3%
Source: Dmand AI Patient Panel Data
Dr. Anne O'Neill wrote 63 Medicare Part D claims in 2020
In 2020, Dr. O'Neill wrote 63 Medicare Part D claims. They cover 2 drugs, with $970 in total drug cost. In 2019, CMS named 87 claims across 4 drugs.
Dr. O'Neill's most prescribed drugs by claims, 2020
CMS names a drug when it has 11 or more claims. Share is of the claims for drugs CMS names.
Part D claims for drugs CMS names, 2019 to 2020
- 2019
- 2020
- Claims for drugs CMS names
- 2019: 872020: 6328%
Drugs named by CMS: 2 in 2020, 4 in 2019.
Source: Medicare Part D Prescribers - by Provider and Drug (CMS), 2024 data, released May 6, 2026
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Dr. Anne O'Neill received $5,399 in industry payments from 2016 to 2022
CMS Open Payments shows 104 general payments to Dr. O'Neill from 25 drug and device companies from 2016 to 2022. Food and beverage make up the largest share, 71% of the total. Novadaq Technologies Inc. paid the most, $1,683.
General payments to Dr. O'Neill by program year, 2016 to 2022
General payments to Dr. O'Neill by kind, 2016 to 2022
- Food and beverage$3,80871%
- Travel and lodging$1,59129%
Companies that paid Dr. O'Neill the most, 2016 to 2022
Share is of all general payments to this clinician.
Source: Open Payments (CMS), 2025 data, released July 7, 2026
Sources for Dr. Anne O'Neill'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 Data |
| Part D prescribing | Medicare Part D Prescribers - by Provider and Drug (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 Dr. Anne O'Neill
Spotted something out of date? Email hello@dmand.ai and we will check the record. Contact details live in the free trial.
What is Dr. Anne O'Neill's NPI number?
Dr. Anne O'Neill's NPI number is 1114181484. It was assigned on July 15, 2008, and it is active in the NPI Registry.
What kind of doctor is Dr. Anne O'Neill?
Dr. Anne O'Neill is a general surgeon in Sacramento, California. The primary specialty in the NPI Registry is Surgery Physician (taxonomy code 208600000X).
Where does Dr. Anne O'Neill practice?
Dr. O'Neill practices at 4001 J St, Sacramento, CA 95819. Dr. O'Neill's primary practice is Dignity Health - Mercy General Hospital in Sacramento, California, part of CommonSpirit Health. Dmand AI also links Dr. O'Neill to 1 hospital, and a free account names each one.
What is Dr. Anne O'Neill's office phone number?
The practice phone on file for Dr. O'Neill is (916) 453-4453. Dmand AI also checks direct phone and mobile numbers, available with a free account.
What is Dr. Anne O'Neill's email address?
Dmand AI checks professional and personal email addresses for Dr. O'Neill through healthcare-specific waterfall enrichment. They are available with a free Dmand AI account.
What is Dr. Anne O'Neill's medical license number?
Dr. O'Neill holds New Jersey license 25MA08019300.
Which hospitals is Dr. Anne O'Neill affiliated with?
Dr. O'Neill practices at Dignity Health - Mercy General Hospital in Sacramento, California. Dmand AI links Dr. O'Neill to 1 more hospital, named with a free account.
Does Dr. Anne O'Neill accept Medicare?
Yes. CMS data shows Dr. O'Neill billed Medicare for 427 services in 2020.
What services does Dr. Anne O'Neill bill to Medicare?
In 2020, Dr. O'Neill's most billed Medicare services were office visit, established patient (99214), office visit, established patient (99213) and care management and other visits (99441).
What drugs does Dr. Anne O'Neill prescribe most?
In 2020 Medicare Part D data, Dr. O'Neill's most prescribed drugs by claims were Oxycodone-Acetaminophen and Lidocaine-Prilocaine.
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Has Dr. Anne O'Neill received payments from drug or device companies?
CMS Open Payments shows $5,399 in general payments to Dr. O'Neill from 25 companies from 2016 to 2022. The largest total came from Novadaq Technologies Inc.
How long has Dr. Anne O'Neill been practicing?
Dr. O'Neill's NPI was assigned in 2008.
What EHR does Dr. Anne O'Neill's practice use?
Dmand AI tracks the EHR system at Dignity Health - Mercy General Hospital and at 1 more affiliated site. The vendor and product are available with a free Dmand AI account.
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