Danielle A. O'Brien, APRN
- Medicare patients, 2026
- 242
- Part D claims, 2026
- 3,149
- MIPS score, 2026
- 91
- Hospital affiliations
- 3
- Industry payments
- $1,017
- Practice address
- 1340 S 18th St, Fernandina Beach, FL 32034
- Practice phone
- Call (904) 376-3707
- Professional email
- Get professional email
- Personal email
- Get personal email
- Mobile number
- Get mobile number
Primary practice
Baptist Neurology Inc
Fernandina Beach, Florida
Find Danielle O'Brien'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.
Danielle A. O'Brien is a nurse practitioner in Fernandina Beach, Florida
Danielle O'Brien practices at Baptist Neurology Inc in Fernandina Beach, Florida.
Danielle O'Brien's NPI, 1659627495, was assigned on July 31, 2012. Danielle O'Brien holds Florida license APRN11004908.
- NPI
- 1659627495NPI Registry (opens in a new tab)
- Medicare PAC ID
- 0941434492
- NPI enumeration date
- July 31, 2012
- NPI status
- Active
- Accepts Medicare assignment
- Yes
- Offers telehealth
- Yes
- Practice phone
- (904) 376-3707
- Professional email
- Get email
- Personal email
- Get email
- Mobile number
- Get number
- Sex
- Female
- Estimated age
- 41
- Medical school graduation
- 2011
Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; Dmand AI Practice Data; and Doctors and Clinicians National Downloadable File (CMS)
Danielle A. O'Brien practices at Baptist Neurology Inc in Fernandina Beach, Florida
Danielle O'Brien's primary practice is Baptist Neurology Inc, at 1340 S 18th St, Fernandina Beach, FL 32034 in Nassau County. The practice phone is (904) 376-3707.
- Baptist Neurology Inc1340 S 18th St, Fernandina Beach, FL 32034 · Nassau CountyPhone(904) 376-3707
Sources: NPPES NPI Registry (CMS); and Dmand AI Practice Data
Danielle A. O'Brien is affiliated with 5 sites of care and 2 medical groups
Danielle O'Brien's primary practice is Baptist Neurology Inc in Fernandina Beach, Florida. Danielle O'Brien is also affiliated with Baptist Medical Center Jacksonville. The medical group on file is Baptist Neurology. Dmand AI also links Danielle O'Brien to 2 more hospitals, 1 group practice or clinic and 1 medical group, each named with a free account.
Sources: NPPES NPI Registry (CMS); Dmand AI Practice Data; and Dmand AI Affiliation Data
Dmand AI tracks the EHR system at Danielle A. O'Brien's practice
Dmand AI tracks the electronic health record (EHR) system at each site where Danielle O'Brien practices, 4 sites in all. Vendor and product names are available with a free account.
| Site | EHR vendor and product |
|---|---|
| Baptist Neurology Inc | Available with a free account |
| +4 more sites and 1 medical group | Available with a free account |
Source: Dmand AI Technology Install Data
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Danielle A. O'Brien is one of 5,914 nurse practitioners in Florida
Nurse practitioner is Danielle O'Brien's primary specialty in the NPI Registry, under taxonomy code 363L00000X. Dmand AI has Danielle O'Brien's licenses on file in 2 states: Florida and New York.
Specialties and state licenses
- Nurse practitioner, FloridaPrimary
- Adult health nurse practitioner, New York
Nurse practitioners near Danielle O'Brien
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
Danielle A. O'Brien treated 242 Medicare patients in 2026, average age 71
CMS counts 242 Medicare patients who saw Danielle O'Brien in 2026. The largest group is 75 to 84, with 84 patients. 75% of them have high blood pressure, and 75% have high cholesterol. 34% are also on Medicaid. Their average risk score is 1.90, where 1.00 is the Medicare average, so they are sicker than most Medicare patients.
Across all payers, Dmand AI patient panel data puts Danielle O'Brien's median patient age at 57, with 77% women.
Danielle O'Brien's Medicare patients by age, 2026
Danielle O'Brien's Medicare patients by sex, 2026
- Women14058%
- Men10242%
Chronic conditions among Danielle O'Brien's Medicare patients, 2026
- High blood pressure75%
- High cholesterol75%
- Arthritis63%
- Anxiety46%
- Ischemic heart disease46%
- Stroke or TIA44%
- Diabetes41%
- Mood disorders38%
Share of Medicare patients with each condition. A patient can have several.
Danielle O'Brien's patients across all payers
Dmand AI patient panel data covers Medicare, Medicaid and commercial patients.
Patient panel by age, all payers
Median age 57
Patient panel by sex, all payers
- Women77%
- Men23%
Sources: Dmand AI Patient Panel Data; and Medicare Physician & Other Practitioners - by Provider (CMS), 2026 data
Danielle A. O'Brien wrote 3,149 Medicare Part D claims in 2026
In 2026, Danielle O'Brien wrote 3,149 Medicare Part D claims for 594 patients. 72% of them were for generic drugs.
Danielle O'Brien's Part D claims by kind of drug, 2026
- Generic2,252 claims72%
- Brand-name885 claims28%
- Other12 claims0%
Drug classes CMS tracks in Danielle O'Brien's Part D claims, 2026
- Opioids6%202 of 3,149 claims
- Antipsychotics, patients 65 and over1%43 of 3,149 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), 2026 data
Danielle A. O'Brien scored 91 out of 100 in Medicare's MIPS program for 2026
CMS publishes a Merit-based Incentive Payment System (MIPS) score of 91 out of 100 for Danielle O'Brien for performance year 2026, reported as part of a group. Danielle O'Brien accepts Medicare assignment, so Medicare's approved amount is taken as full payment. CMS lists Danielle O'Brien as offering telehealth.
- Accepts Medicare assignment
- Yes
- Offers telehealth
- Yes
Danielle O'Brien's MIPS scores, performance year 2026
- 91of 100Final score
- 91.8of 100Quality
- 100of 100Promoting Interoperability
- 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), 2026 data
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Danielle A. O'Brien received $1,017 in industry payments in 2025
CMS Open Payments shows 41 general payments to Danielle O'Brien from 19 drug and device companies in 2025. Food and beverage make up the largest share, 100% of the total. UCB, Inc. paid the most, $168.
Companies that paid Danielle O'Brien the most, 2025 to 2025
Share is of all general payments to this clinician.
Source: Open Payments (CMS), 2025 data, released July 7, 2026
Sources for Danielle A. O'Brien'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 | NPPES NPI Registry (CMS) (opens in a new tab)Dmand AI Practice Data |
| Primary practice, affiliations and health system | NPPES NPI Registry (CMS) (opens in a new tab)Dmand AI Practice DataDmand AI Affiliation 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) |
| 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 Danielle A. O'Brien
Spotted something out of date? Email hello@dmand.ai and we will check the record. Contact details live in the free trial.
What is Danielle A. O'Brien's NPI number?
Danielle A. O'Brien's NPI number is 1659627495. It was assigned on July 31, 2012, and it is active in the NPI Registry.
What does Danielle A. O'Brien specialize in?
Danielle A. O'Brien is a nurse practitioner in Fernandina Beach, Florida. The primary specialty in the NPI Registry is Nurse Practitioner (taxonomy code 363L00000X).
Where does Danielle A. O'Brien practice?
Danielle O'Brien practices at 1340 S 18th St, Fernandina Beach, FL 32034. Danielle O'Brien's primary practice is Baptist Neurology Inc in Fernandina Beach, Florida. Dmand AI also links Danielle O'Brien to 2 hospitals, 1 group practice or clinic and 1 medical group, and a free account names each one.
What is Danielle A. O'Brien's office phone number?
The practice phone on file for Danielle O'Brien is (904) 376-3707. Dmand AI also checks direct phone and mobile numbers, available with a free account.
What is Danielle A. O'Brien's email address?
Dmand AI checks professional and personal email addresses for Danielle O'Brien through healthcare-specific waterfall enrichment. They are available with a free Dmand AI account.
What is Danielle A. O'Brien's medical license number?
Danielle O'Brien holds Florida license APRN11004908, one of the licenses on file in 2 states.
Which states has Danielle A. O'Brien been licensed in?
Dmand AI has state licenses on file for Danielle O'Brien in Florida and New York.
Which hospitals is Danielle A. O'Brien affiliated with?
Danielle O'Brien is affiliated with Baptist Medical Center Jacksonville. Dmand AI links Danielle O'Brien to 2 more hospitals, named with a free account.
What medical group is Danielle A. O'Brien part of?
Danielle O'Brien is linked to Baptist Neurology. Dmand AI links Danielle O'Brien to 1 more medical group, named with a free account.
Who does Danielle A. O'Brien practice with?
Dmand AI links 40 HCPs to Danielle O'Brien's primary medical group, 6 of them nurse practitioners. A free account lists them, with verified contacts.
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Does Danielle A. O'Brien accept Medicare?
Yes. CMS lists Danielle O'Brien as accepting Medicare assignment.
Does Danielle A. O'Brien offer telehealth?
Yes. The CMS Doctors and Clinicians file lists Danielle O'Brien as offering telehealth services.
What is Danielle A. O'Brien's MIPS score?
Danielle O'Brien's MIPS final score for performance year 2026 is 91 out of 100, reported as part of a group.
How many Medicare patients does Danielle A. O'Brien see?
CMS counts 242 Medicare patients who saw Danielle O'Brien in 2026, with an average age of 71.
Has Danielle A. O'Brien received payments from drug or device companies?
CMS Open Payments shows $1,017 in general payments to Danielle O'Brien from 19 companies from 2025 to 2025. The largest total came from UCB, Inc.
How long has Danielle A. O'Brien been practicing?
Danielle O'Brien graduated from medical school in 2011, 15 years ago.
What EHR does Danielle A. O'Brien's practice use?
Dmand AI tracks the EHR system at Baptist Neurology Inc and at 4 more sites and 1 medical group. The vendor and product are available with a free Dmand AI account.
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