Dr. Adrienne Nicole Oconnell, DO
- Medicare services, 2020
- 97
- Part D claims, 2019
- 13
- Industry payments
- $617
- Insurance carriers
- 1
- State license
- 1
- Practice address
- 535 E 1st St, Tustin, CA 92780
- Practice phone
- Call (727) 521-5057
- Professional email
- Get professional email
- Personal email
- Get personal email
- Mobile number
- Get mobile number
Find Dr. Oconnell's professional email, personal email and mobile number
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Dr. Adrienne Nicole Oconnell is an internist in Tustin, California
Dr. Oconnell practices in Tustin, California.
Dr. Oconnell's NPI, 1639472079, was assigned on December 7, 2010. Dr. Oconnell graduated from WesternU College of Osteopathic Medicine of the Pacific in 2010. Dr. Oconnell holds Florida license UO 2578.
- NPI
- 1639472079NPI Registry (opens in a new tab)
- NPI enumeration date
- December 7, 2010
- NPI status
- Active
- Practice phone
- (727) 521-5057
- Professional email
- Get email
- Personal email
- Get email
- Mobile number
- Get number
- Sex
- Female
- Medical school graduation
- 2010
Sources: NPPES NPI Registry (CMS); and Dmand AI Professional Profile Data
Dr. Adrienne Nicole Oconnell's practice address is in Tustin, California
Dr. Oconnell's practice address in the NPI Registry is 535 E 1st St, Tustin, CA 92780, in Orange County. The practice phone is (727) 521-5057.
- NPI Registry address535 E 1st St, Tustin, CA 92780 · Orange CountyPhone(727) 521-5057
Sources: NPPES NPI Registry (CMS); and Dmand AI Practice Data
Dmand AI tracks the EHR system at Dr. Adrienne Nicole Oconnell's practice
Dmand AI tracks the electronic health record (EHR) system at each site where Dr. Oconnell practices. Vendor and product names are available with a free account.
| Site | EHR vendor and product |
|---|---|
| Dr. Oconnell's practice | Available with a free account |
Source: Dmand AI Technology Install Data
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Dr. Adrienne Nicole Oconnell is one of 16,751 internists in California
Internal medicine is Dr. Oconnell's primary specialty in the NPI Registry, under taxonomy code 207R00000X. Dr. Oconnell is board certified in family medicine by the American Board of Family Medicine. Dr. Oconnell is licensed in Florida.
Specialties and state licenses
- Internal medicine, FloridaPrimary
Internists near Dr. Oconnell
Counts of internists 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. Adrienne Nicole Oconnell billed Medicare for 97 services in 2020
CMS data shows 97 Medicare services from Dr. Oconnell across 4 procedure codes in 2020. Medicare paid $13,336 for them. Every service was in a facility, such as a hospital, rather than an office.
Dr. Oconnell's Medicare services by type, 2019 to 2020
- 2019
- 2020
- Office and hospital visits
- 2019: 2262020: 9757%
- Tests and treatments
- 2019: 152020: 0100%
Dr. Oconnell compared with the California median for internists, 2020
- Dr. Oconnell
- California median
- Medicare services
- 97vs 36173% below
- Part D claims
- 13vs 42197% below
Medians across 15,815 internists in California with Dmand AI profiles that report each measure.
Dr. Oconnell'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. Oconnell and other internists in California.
Sources: Medicare Physician & Other Practitioners - by Provider and Service (CMS), 2024 data; and Dmand AI Peer Benchmarks
Dr. Adrienne Nicole Oconnell's patients have a median age of 50
Across all payers, Dmand AI patient panel data puts Dr. Oconnell's median patient age at 50, with 55% women.
Dr. Oconnell's patients across all payers
Dmand AI patient panel data covers Medicare, Medicaid and commercial patients.
Patient panel by age, all payers
Median age 50
Patient panel by sex, all payers
- Women55%
- Men45%
Source: Dmand AI Patient Panel Data
Dr. Adrienne Nicole Oconnell wrote 13 Medicare Part D claims in 2019
In 2019, Dr. Oconnell wrote 13 Medicare Part D claims. They cover 1 drug, with $308 in total drug cost. In 2018, CMS named 35 claims across 2 drugs.
Dr. Oconnell's most prescribed drugs by claims, 2019
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, 2018 to 2019
- 2018
- 2019
- Claims for drugs CMS names
- 2018: 352019: 1363%
Drugs named by CMS: 1 in 2019, 2 in 2018.
Source: Medicare Part D Prescribers - by Provider and Drug (CMS), 2024 data, released May 6, 2026
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Dr. Adrienne Nicole Oconnell received $617 in industry payments from 2016 to 2025
CMS Open Payments shows 25 general payments to Dr. Oconnell from 5 drug and device companies from 2016 to 2025. Food and beverage make up the largest share, 100% of the total. Galderma Laboratories, L.P. paid the most, $402.
General payments to Dr. Oconnell by program year, 2016 to 2025
Companies that paid Dr. Oconnell the most, 2016 to 2025
Share is of all general payments to this clinician.
Source: Open Payments (CMS), 2025 data, released July 7, 2026
Dr. Adrienne Nicole Oconnell graduated from WesternU College of Osteopathic Medicine of the Pacific
Dr. Oconnell graduated from WesternU College of Osteopathic Medicine of the Pacific in 2010.
- Medical school
- Board certified in family medicine
- Board certified in 2014 - 2027
- Board certified in 2012 - 2016
- Board certified in 2010 - 2010
- Board certified in 2013 - 2016
Source: Dmand AI Professional Profile Data
Dr. Adrienne Nicole Oconnell accepts plans from 1 insurance carrier
Dr. Oconnell is in network with 1 carrier, including HCSC. Medicare plans come from the most carriers, 1. Check the plan with the practice before a visit.
- HCSC
Plan types Dr. Oconnell accepts, by number of carriers
- Medicare1
- PPO1
Source: Dmand AI Insurance Network Data
Sources for Dr. Adrienne Nicole Oconnell'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 |
| 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) |
| Training, board certification and memberships | Dmand AI Professional Profile Data |
| Insurance carriers and plan types | Dmand AI Insurance Network Data |
| 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. Adrienne Nicole Oconnell
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. Adrienne Nicole Oconnell's NPI number?
Dr. Adrienne Nicole Oconnell's NPI number is 1639472079. It was assigned on December 7, 2010, and it is active in the NPI Registry.
What kind of doctor is Dr. Adrienne Nicole Oconnell?
Dr. Adrienne Nicole Oconnell is an internist in Tustin, California. The primary specialty in the NPI Registry is Internal Medicine Physician (taxonomy code 207R00000X).
Where does Dr. Adrienne Nicole Oconnell practice?
Dr. Oconnell practices at 535 E 1st St, Tustin, CA 92780.
What is Dr. Adrienne Nicole Oconnell's office phone number?
The practice phone on file for Dr. Oconnell is (727) 521-5057.
What is Dr. Adrienne Nicole Oconnell's medical license number?
Dr. Oconnell holds Florida license UO 2578.
Does Dr. Adrienne Nicole Oconnell accept Medicare?
Yes. CMS data shows Dr. Oconnell billed Medicare for 97 services in 2020.
Is Dr. Adrienne Nicole Oconnell board certified?
Yes. Dr. Oconnell is board certified in family medicine by the American Board of Family Medicine.
What services does Dr. Adrienne Nicole Oconnell bill to Medicare?
In 2020, Dr. Oconnell's most billed Medicare services were emergency department visit (99285), critical care (99291) and emergency department visit (99283).
Where did Dr. Adrienne Nicole Oconnell go to medical school?
Dr. Oconnell graduated from WesternU College of Osteopathic Medicine of the Pacific in 2010.
What drugs does Dr. Adrienne Nicole Oconnell prescribe most?
In 2019 Medicare Part D data, Dr. Oconnell's most prescribed drugs by claims were Nitrofurantoin Mono-Macro.
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Has Dr. Adrienne Nicole Oconnell received payments from drug or device companies?
CMS Open Payments shows $617 in general payments to Dr. Oconnell from 5 companies from 2016 to 2025. The largest total came from Galderma Laboratories, L.P.
How long has Dr. Adrienne Nicole Oconnell been practicing?
Dr. Oconnell graduated from medical school in 2010, 16 years ago.
What insurance does Dr. Adrienne Nicole Oconnell accept?
Dr. Oconnell is in network with 1 carrier, including HCSC. Medicare plans come from the most carriers, 1. Check the plan with the practice before a visit.
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