Dr. Barbara Jean Davis, DO
- Medicare services, 2022
- 242
- Part D claims, 2024
- 809
- Publications
- 13
- Industry payments
- $495
- Affiliated sites
- 1
- Practice address
- 11 Technology Dr, Irvine, CA 92618
- Practice phone
- Call (855) 206-6764
- Professional email
- Get professional email
- Personal email
- Get personal email
- Mobile number
- Get mobile number
Primary practice
The Regents Of The University Of California-irvine - Irvine (Technology Dr)
Primary care practice · Irvine, California
Find Dr. Davis' 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. Barbara Jean Davis is an internist in Mission Viejo, California
Dr. Davis practices at The Regents Of The University Of California-irvine - Irvine (Technology Dr) in Irvine, California.
Dr. Davis' NPI, 1942425079, was assigned on April 16, 2007. Dr. Davis graduated from Kansas City University of Medicine and Biosciences College of Osteopathic Medicine in 2004. Dr. Davis holds California license 20A9925.
- NPI
- 1942425079NPI Registry (opens in a new tab)
- NPI enumeration date
- April 16, 2007
- NPI status
- Active
- Practice phone
- (855) 206-6764
- Professional email
- Get email
- Personal email
- Get email
- Mobile number
- Get number
- Sex
- Female
- Estimated age
- 48
- Medical school graduation
- 2004
Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; Dmand AI Affiliation Data; and Doctors and Clinicians National Downloadable File (CMS)
Dr. Barbara Jean Davis practices in Irvine and Mission Viejo
Dr. Davis' primary practice is The Regents of the University of California-irvine - Irvine (Technology Dr), at 11 Technology Dr, Irvine, CA 92618. The practice phone is (855) 206-6764. The NPI Registry lists Dr. Davis' practice address as 27700 Medical Center Rd, Mission Viejo, CA 92691.
- The Regents of the University of California-irvine - Irvine (Technology Dr)Primary11 Technology Dr, Irvine, CA 92618Phone(855) 206-6764
- NPI Registry address27700 Medical Center Rd, Mission Viejo, CA 92691 · Orange CountyPhone(855) 206-6764
Sources: NPPES NPI Registry (CMS); Dmand AI Affiliation Data; Doctors and Clinicians National Downloadable File (CMS); and Dmand AI Practice Data
Dr. Barbara Jean Davis is affiliated with 1 site of care and 1 medical group
Dr. Davis' primary practice is The Regents Of The University Of California-irvine - Irvine (Technology Dr) in Irvine, California. The medical group on file is UCI Health.
Sources: Dmand AI Affiliation Data; and Doctors and Clinicians National Downloadable File (CMS)
Dmand AI tracks the EHR system at Dr. Barbara Jean Davis' practice
Dmand AI tracks the electronic health record (EHR) system at each site where Dr. Davis practices. Vendor and product names are available with a free account.
| Site | EHR vendor and product |
|---|---|
| The Regents Of The University Of California-irvine - Irvine (Technology Dr) | 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 each health system and 6.2K+ hospitals, with verified contacts in the same login.
Dr. Barbara Jean Davis is one of 16,751 internists in California
Internal medicine is Dr. Davis' primary specialty in the NPI Registry, under taxonomy code 207R00000X. Dr. Davis is board certified in hospice and palliative medicine by the American Board of Internal Medicine. Dr. Davis is licensed in California.
Specialties and state licenses
- Internal medicine, CaliforniaPrimary
Clinical focus
Dmand AI lists gastrointestinal obstruction, pneumonia and respiratory infection and sepsis among the conditions Dr. Davis treats.
Internists near Dr. Davis
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. Barbara Jean Davis billed Medicare for 242 services in 2022
CMS data shows 242 Medicare services from Dr. Davis across 3 procedure codes in 2022. Medicare paid $17,055 for them. Every service was in a facility, such as a hospital, rather than an office.
Dr. Davis' Medicare services by type, 2021 to 2022
- 2021
- 2022
- Office and hospital visits
- 2021: 2202022: 24210%
Dr. Davis compared with the California median for internists, 2022
- Dr. Davis
- California median
- Medicare services
- 242vs 36133% below
- Part D claims
- 595vs 42141% above
Medians across 15,815 internists in California with Dmand AI profiles that report each measure.
Dr. Davis' most billed Medicare procedure codes, 2022
CMS publishes codes billed for 11 or more Medicare patients. Each label is the code family; CPT descriptions are licensed by the AMA.
Need commercial claims for Dr. Davis?
Medicare shows one payer. Book a meeting to get commercial claims data for Dr. Davis and other internists in California.
Sources: Medicare Physician & Other Practitioners - by Provider and Service (CMS), 2024 data; and Dmand AI Peer Benchmarks
Dr. Barbara Jean Davis' patients have a median age of 87
Across all payers, Dmand AI patient panel data puts Dr. Davis' median patient age at 87, with 66% women.
Dr. Davis' patients across all payers
Dmand AI patient panel data covers Medicare, Medicaid and commercial patients.
Patient panel by age, all payers
Median age 87
Patient panel by sex, all payers
- Women66%
- Men34%
Source: Dmand AI Patient Panel Data
Dr. Barbara Jean Davis wrote 809 Medicare Part D claims in 2024
In 2024, Dr. Davis wrote 809 Medicare Part D claims for 78 patients. 94% of them were for generic drugs. CMS names the drug for 595 of them, across 25 drugs with 11 or more claims each, at $14,457 in total drug cost. In 2023, CMS named 641 claims across 24 drugs.
Dr. Davis' Part D claims by kind of drug, 2024
- Generic757 claims94%
- Brand-name and other52 claims6%
Dr. Davis' most prescribed drugs by claims, 2024
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, 2023 to 2024
- 2023
- 2024
- Claims for drugs CMS names
- 2023: 6412024: 5957%
Drugs named by CMS: 25 in 2024, 24 in 2023.
Sources: Medicare Part D Prescribers - by Provider and Drug (CMS), 2024 data, released May 6, 2026; and Medicare Part D Prescribers - by Provider (CMS), 2024 data
For MedTech and pharma teams
Filter 7.4M+ HCPs by Medicare procedures, Part D drugs and Open Payments history, then reach them with verified contacts in one login.
Dr. Barbara Jean Davis has 13 publications on record
Dmand AI links 13 papers to Dr. Davis. The most frequent topics are BRCA2 Protein, Genetic Predisposition to Disease and Molecular Sequence Data. Dr. Davis' most frequent co-authors are Brian R. Davis, MD and Jay Nadel, MD.
Topics Dr. Davis writes about most
- BRCA2 Protein
- Genetic Predisposition to Disease
- Molecular Sequence Data
Dr. Davis' most frequent co-authors
- Brian R. Davis, MD1 shared paper
- Jay Nadel, MD1 shared paper
Recent publications by Dr. Davis
See who Dr. Davis researches with
Physician Network Discovery turns co-authorship, shared hospitals and shared groups into a map of who Dr. Davis works with, so you can find a warm path to the right internists.
Sources: PubMed (National Library of Medicine); and Dmand AI Research Linkage
Dr. Barbara Jean Davis received $495 in industry payments from 2016 to 2024
CMS Open Payments shows 11 general payments to Dr. Davis from 3 drug and device companies from 2016 to 2024. Food and beverage make up the largest share, 97% of the total. Janssen Pharmaceuticals, Inc paid the most, $358.
General payments to Dr. Davis by program year, 2016 to 2024
General payments to Dr. Davis by kind, 2016 to 2024
- Food and beverage$47897%
- Education$173%
Companies that paid Dr. Davis the most, 2016 to 2024
Share is of all general payments to this clinician.
Source: Open Payments (CMS), 2025 data, released July 7, 2026
Dr. Barbara Jean Davis graduated from Kansas City University of Medicine and Biosciences College of Osteopathic Medicine
Dr. Davis graduated from Kansas City University of Medicine and Biosciences College of Osteopathic Medicine in 2004. Dr. Davis is a member of AOA and SHM.
- Medical school
- Board certified in hospice and palliative medicine
- Board certified in internal medicine
- Board certified in 2004 - 2006
- Board certified in 2007 - 2026
Source: Dmand AI Professional Profile Data
Dr. Barbara Jean Davis accepts plans from 2 insurance carriers
Dr. Davis is in network with 2 carriers, including Elevance and Excellus BlueCross BlueShield. EPO plans come from the most carriers, 2. Check the plan with the practice before a visit.
- Elevance
- Excellus BlueCross BlueShield
Plan types Dr. Davis accepts, by number of carriers
- EPO2
- HMO2
- Medicare2
- POS2
- PPO2
Source: Dmand AI Insurance Network Data
Sources for Dr. Barbara Jean Davis'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 Affiliation DataDoctors and Clinicians National Downloadable File (CMS) (opens in a new tab)Dmand AI Practice Data |
| Primary practice, affiliations and health system | Dmand AI Affiliation DataDoctors and Clinicians National Downloadable File (CMS) (opens in a new tab) |
| 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)Medicare Part D Prescribers - by Provider (CMS) (opens in a new tab) |
| Publications, topics and co-authors | PubMed (National Library of Medicine) (opens in a new tab)Dmand AI Research Linkage |
| 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. Barbara Jean Davis
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. Barbara Jean Davis' NPI number?
Dr. Barbara Jean Davis' NPI number is 1942425079. It was assigned on April 16, 2007, and it is active in the NPI Registry.
What kind of doctor is Dr. Barbara Jean Davis?
Dr. Barbara Jean Davis is an internist in Mission Viejo, California. The primary specialty in the NPI Registry is Internal Medicine Physician (taxonomy code 207R00000X).
Where does Dr. Barbara Jean Davis practice?
Dr. Davis practices at 11 Technology Dr, Irvine, CA 92618. Dr. Davis also practices at 27700 Medical Center Rd, Mission Viejo, CA 92691. Dr. Davis' primary practice is The Regents Of The University Of California-irvine - Irvine (Technology Dr) in Irvine, California.
What is Dr. Barbara Jean Davis' office phone number?
The practice phone on file for Dr. Davis is (855) 206-6764.
What is Dr. Barbara Jean Davis' medical license number?
Dr. Davis holds California license 20A9925.
What medical group is Dr. Barbara Jean Davis part of?
Dr. Davis is linked to UCI Health.
Does Dr. Barbara Jean Davis accept Medicare?
Yes. CMS data shows Dr. Davis billed Medicare for 242 services in 2022.
Is Dr. Barbara Jean Davis board certified?
Yes. Dr. Davis is board certified in hospice and palliative medicine by the American Board of Internal Medicine.
What services does Dr. Barbara Jean Davis bill to Medicare?
In 2022, Dr. Davis' most billed Medicare services were hospital inpatient care (99232), hospital inpatient care (99239) and hospital inpatient care (99222).
Where did Dr. Barbara Jean Davis go to medical school?
Dr. Davis graduated from Kansas City University of Medicine and Biosciences College of Osteopathic Medicine in 2004.
Show 6 more questionsShow fewer questions
What drugs does Dr. Barbara Jean Davis prescribe most?
In 2024 Medicare Part D data, Dr. Davis' most prescribed drugs by claims were Amlodipine Besylate, Levothyroxine Sodium and Tamsulosin HCl.
Has Dr. Barbara Jean Davis received payments from drug or device companies?
CMS Open Payments shows $495 in general payments to Dr. Davis from 3 companies from 2016 to 2024. The largest total came from Janssen Pharmaceuticals, Inc.
How long has Dr. Barbara Jean Davis been practicing?
Dr. Davis graduated from medical school in 2004, 22 years ago.
Does Dr. Barbara Jean Davis do research?
Dmand AI links 13 publications to Dr. Davis.
Who does Dr. Barbara Jean Davis publish with?
Dr. Davis' most frequent co-authors are Brian R. Davis, MD (1 shared paper) and Jay Nadel, MD (1 shared paper).
What insurance does Dr. Barbara Jean Davis accept?
Dr. Davis is in network with 2 carriers, including Elevance and Excellus BlueCross BlueShield. EPO plans come from the most carriers, 2. Check the plan with the practice before a visit.
Selling to internal medicine practices?
See internists in California by site of care and group
Find the practices, groups and hospitals they work with, and the right people to contact at each.
- 30 days free
- Self-serve
- No credit card