Joanne M. O'Brien, FNP-C
- Medicare patients, 2024
- 159
- Part D claims, 2024
- 4,874
- Hospital affiliations
- 5
- Industry payments
- $291
- Medical group
- 1
- Practice address
- 200 W Center Street Promenade, Anaheim, CA 92805
- Practice phone
- Call (657) 640-8090
- Professional email
- Get professional email
- Personal email
- Get personal email
- Mobile number
- Get mobile number
Primary practice
Providence at Home With Compassus Home Health Orange County
Home Health Agency - Main Office · Anaheim, California
Find Joanne 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.
Joanne M. O'Brien is a family nurse practitioner in Anaheim, California
Joanne O'Brien practices at Providence at Home With Compassus Home Health Orange County in Anaheim, California.
Joanne O'Brien's NPI, 1063507762, was assigned on October 4, 2006. Joanne O'Brien holds Oregon license 201602228NP-PP.
- NPI
- 1063507762NPI Registry (opens in a new tab)
- Medicare PAC ID
- 3971591124
- NPI enumeration date
- October 4, 2006
- NPI status
- Active
- Accepts Medicare assignment
- Yes
- Offers telehealth
- Yes
- Practice phone
- (657) 640-8090
- Professional email
- Get email
- Personal email
- Get email
- Mobile number
- Get number
- Sex
- Female
- Estimated age
- 50
- Medical school graduation
- 2002
Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; Dmand AI Affiliation Data; and Doctors and Clinicians National Downloadable File (CMS)
Joanne M. O'Brien practices at Providence at Home With Compassus Home Health Orange County in Anaheim, California
Joanne O'Brien's primary practice is Providence at Home With Compassus Home Health Orange County, at 200 W Center Street Promenade, Anaheim, CA 92805. The practice phone is (657) 640-8090.
- Providence at Home With Compassus Home Health Orange County200 W Center Street Promenade, Anaheim, CA 92805Phone(657) 640-8090
Source: Dmand AI Affiliation Data
Joanne M. O'Brien is affiliated with 8 sites of care and 1 medical group
Joanne O'Brien's primary practice is Providence at Home With Compassus Home Health Orange County in Anaheim, California. Joanne O'Brien is also affiliated with Providence Santa Rosa Memorial Hospital. The medical group on file is St. Jude Heritage Medical Group. Dmand AI also links Joanne O'Brien to 4 more hospitals, 1 group practice or clinic and 1 hospice, each named with a free account. Joanne O'Brien's employer is on file too: a home health agency.
Sources: Dmand AI Affiliation Data; and Dmand AI Org Hierarchy Data
Dmand AI tracks the EHR system at Joanne M. O'Brien's practice
Dmand AI tracks the electronic health record (EHR) system at each site where Joanne O'Brien practices, 8 sites in all. Vendor and product names are available with a free account.
| Site | EHR vendor and product |
|---|---|
| Providence at Home With Compassus Home Health Orange County | Available with a free account |
| +7 more affiliated sites | Available with a free account |
Source: Dmand AI Technology Install Data
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Joanne M. O'Brien is one of 13,532 family nurse practitioners in California
Family is Joanne O'Brien's primary specialty in the NPI Registry, under taxonomy code 363LF0000X. Dmand AI has Joanne O'Brien's licenses on file in 3 states: Oregon, Ohio and West Virginia.
Specialties and state licenses
- Family nurse practitioner, OregonPrimary
- Ohio license
- West Virginia license
Family nurse practitioners near Joanne O'Brien
Counts of family 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
Joanne M. O'Brien treated 159 Medicare patients in 2024, average age 72
CMS counts 159 Medicare patients who saw Joanne O'Brien in 2024. The largest group is 65 to 74, with 68 patients. 70% of them have high cholesterol, and 64% have high blood pressure. 21% are also on Medicaid. Their average risk score is 1.11, where 1.00 is the Medicare average.
Across all payers, Dmand AI patient panel data puts Joanne O'Brien's median patient age at 71, with 82% women.
Joanne O'Brien's Medicare patients by age, 2024
CMS leaves out age groups with fewer than 11 patients.
Joanne O'Brien's Medicare patients by sex, 2024
- Women9057%
- Men6943%
Chronic conditions among Joanne O'Brien's Medicare patients, 2024
- High cholesterol70%
- High blood pressure64%
- Arthritis44%
- Mood disorders26%
- Chronic kidney disease25%
- Depression23%
- Diabetes21%
- Anxiety16%
Share of Medicare patients with each condition. A patient can have several.
Joanne 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 71
Patient panel by sex, all payers
- Women82%
- Men18%
Sources: Dmand AI Patient Panel Data; and Medicare Physician & Other Practitioners - by Provider (CMS), 2024 data
Joanne M. O'Brien wrote 4,874 Medicare Part D claims in 2024
In 2024, Joanne O'Brien wrote 4,874 Medicare Part D claims for 416 patients. 90% of them were for generic drugs.
Joanne O'Brien's Part D claims by kind of drug, 2024
- Generic4,385 claims90%
- Brand-name462 claims9%
- Other27 claims1%
Drug classes CMS tracks in Joanne O'Brien's Part D claims, 2024
- Opioids6%304 of 4,874 claims
- Antibiotics3%133 of 4,874 claims
- Antipsychotics, patients 65 and over1%29 of 4,874 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
Joanne M. O'Brien offers telehealth to Medicare patients
Joanne O'Brien accepts Medicare assignment, so Medicare's approved amount is taken as full payment. CMS lists Joanne O'Brien as offering telehealth.
- Accepts Medicare assignment
- Yes
- Offers telehealth
- Yes
Source: Doctors and Clinicians National Downloadable File (CMS)
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Joanne M. O'Brien received $291 in industry payments in 2025
CMS Open Payments shows 6 general payments to Joanne O'Brien from 2 drug and device companies in 2025. Food and beverage make up the largest share, 100% of the total. Amgen Inc. paid the most, $258.
Companies that paid Joanne 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 Joanne M. 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 | 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) |
| 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 Joanne M. 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 Joanne M. O'Brien's NPI number?
Joanne M. O'Brien's NPI number is 1063507762. It was assigned on October 4, 2006, and it is active in the NPI Registry.
What does Joanne M. O'Brien specialize in?
Joanne M. O'Brien is a family nurse practitioner in Anaheim, California. The primary specialty in the NPI Registry is Family Nurse Practitioner (taxonomy code 363LF0000X).
Where does Joanne M. O'Brien practice?
Joanne O'Brien practices at 200 W Center Street Promenade, Anaheim, CA 92805. Joanne O'Brien's primary practice is Providence at Home With Compassus Home Health Orange County in Anaheim, California. Dmand AI also links Joanne O'Brien to 4 hospitals, 1 group practice or clinic and 1 hospice.
What is Joanne M. O'Brien's office phone number?
The practice phone on file for Joanne O'Brien is (657) 640-8090.
What is Joanne M. O'Brien's medical license number?
Joanne O'Brien holds Oregon license 201602228NP-PP, one of the licenses on file in 3 states.
Which states has Joanne M. O'Brien been licensed in?
Dmand AI has state licenses on file for Joanne O'Brien in Oregon, Ohio and West Virginia.
Which hospitals is Joanne M. O'Brien affiliated with?
Joanne O'Brien is affiliated with Providence Santa Rosa Memorial Hospital. Dmand AI links Joanne O'Brien to 4 more hospitals.
What medical group is Joanne M. O'Brien part of?
Joanne O'Brien is linked to St. Jude Heritage Medical Group.
Does Joanne M. O'Brien accept Medicare?
Yes. CMS lists Joanne O'Brien as accepting Medicare assignment.
Does Joanne M. O'Brien offer telehealth?
Yes. The CMS Doctors and Clinicians file lists Joanne O'Brien as offering telehealth services.
Show 3 more questionsShow fewer questions
How many Medicare patients does Joanne M. O'Brien see?
CMS counts 159 Medicare patients who saw Joanne O'Brien in 2024, with an average age of 72.
Has Joanne M. O'Brien received payments from drug or device companies?
CMS Open Payments shows $291 in general payments to Joanne O'Brien from 2 companies from 2025 to 2025. The largest total came from Amgen Inc.
How long has Joanne M. O'Brien been practicing?
Joanne O'Brien graduated from medical school in 2002, 24 years ago.
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