Dr. Brian Oliver Warnecke, DO

  • Orange, CA
  • Internist
NPI1356804421PAC ID4789040379
Publications
7
Hospital affiliations
2
Industry payments
$1,083
Medical group
1
State license
1
Practice address
101 City Drive South, Orange, CA 92868
Practice phone
Call (714) 456-7890
Professional email
Get professional email
Personal email
Get personal email
Mobile number
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Social profiles

Primary practice

UCI Health - Orange

Hospital · Orange, California

See all 4 affiliations

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Dr. Brian Oliver Warnecke is an internist in Orange, California

Dr. Warnecke practices at UCI Health - Orange in Orange, California, part of UC Irvine.

Dr. Warnecke's NPI, 1356804421, was assigned on April 7, 2019. Dr. Warnecke graduated from Kansas City University of Medicine and Biosciences College of Osteopathic Medicine in 2019. Dr. Warnecke holds California license 20A20086.

NPI and contact details
Medicare PAC ID
4789040379
NPI enumeration date
April 7, 2019
NPI status
Active
Accepts Medicare assignment
Yes
Offers telehealth
Yes
Practice phone
(714) 456-7890
Professional email
Get email
Personal email
Get email
Mobile number
Get number
Sex
Male
Estimated age
33
Medical school graduation
2019

Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; Dmand AI Affiliation Data; and Doctors and Clinicians National Downloadable File (CMS)

Dr. Brian Oliver Warnecke practices at UCI Health - Orange in Orange, California

Dr. Warnecke's primary practice is UCI Health - Orange, at 101 City Drive South, Orange, CA 92868 in Orange County. The practice phone is (714) 456-7890.

  • UCI Health - Orange
    101 City Drive South, Orange, CA 92868 · Orange CountyPhone(714) 456-7890

Source: Dmand AI Affiliation Data

Dr. Brian Oliver Warnecke is affiliated with 3 sites of care and 1 medical group

Dr. Warnecke's primary practice is UCI Health - Orange in Orange, California, part of UC Irvine. Dr. Warnecke is also affiliated with Providence Mission Hospital. The medical group on file is UCI Health Physicians. Dmand AI also links Dr. Warnecke to 1 more group practice or clinic, named with a free account.

See all 4 affiliations for Dr. Warnecke

Sources: Dmand AI Affiliation Data; and Dmand AI Org Hierarchy Data

Dmand AI tracks the EHR system at Dr. Brian Oliver Warnecke's practice

Dmand AI tracks the electronic health record (EHR) system at each site where Dr. Warnecke practices, 3 sites in all. Vendor and product names are available with a free account.

EHR by site
SiteEHR vendor and product
UCI Health - OrangeAvailable with a free account
+2 more affiliated sitesAvailable with a free account

Source: Dmand AI Technology Install Data

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Dr. Brian Oliver Warnecke is one of 16,751 internists in California

Internal medicine is Dr. Warnecke's primary specialty in the NPI Registry, under taxonomy code 207R00000X. Dr. Warnecke is board certified in internal medicine by the American Board of Internal Medicine. Dr. Warnecke is licensed in California.

Specialties and state licenses

  • Internal medicine, CaliforniaPrimaryLicense 20A20086 · 2022 to 2026 · taxonomy 207R00000X

Internists near Dr. Warnecke

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. Brian Oliver Warnecke's patients have a median age of 67

Across all payers, Dmand AI patient panel data puts Dr. Warnecke's median patient age at 67, with 50% women.

Dr. Warnecke's patients across all payers

Dmand AI patient panel data covers Medicare, Medicaid and commercial patients.

Patient panel by age, all payers

Median age 67

Patient panel by sex, all payers

  • Women50%
  • Men49%

Source: Dmand AI Patient Panel Data

Dr. Brian Oliver Warnecke offers telehealth to Medicare patients

Dr. Warnecke accepts Medicare assignment, so Medicare's approved amount is taken as full payment. CMS lists Dr. Warnecke as offering telehealth.

Accepts Medicare assignment
Yes
Offers telehealth
Yes

Source: Doctors and Clinicians National Downloadable File (CMS)

Dr. Brian Oliver Warnecke has 7 publications on record

Dmand AI links 7 papers to Dr. Warnecke, published from 2023 to 2025. 2023 was the busiest year, with 3. Dr. Warnecke has published most often in Cureus. Dr. Warnecke's most frequent co-authors are Misako Nagasaka, MD, Ritesh Parajuli, MD and Alaq Al-Abayechi, MD.

Papers7
Years published2023 to 2025

Dr. Warnecke's papers by year, 2023 to 2025

Dr. Warnecke's most frequent co-authors

Recent publications by Dr. Warnecke

See all 7 publications and co-authors

See who Dr. Warnecke researches with

Physician Network Discovery turns co-authorship, shared hospitals and shared groups into a map of who Dr. Warnecke works with, so you can find a warm path to the right internists.

How network discovery works

Sources: PubMed (National Library of Medicine); and Dmand AI Research Linkage

Dr. Brian Oliver Warnecke received $1,083 in industry payments from 2023 to 2025

CMS Open Payments shows 34 general payments to Dr. Warnecke from 5 drug and device companies from 2023 to 2025. Food and beverage make up the largest share, 100% of the total. Celgene Corporation paid the most, $501.

General payments to Dr. Warnecke by program year, 2023 to 2025

Companies that paid Dr. Warnecke the most, 2023 to 2025

Share is of all general payments to this clinician.

See all payments to Dr. Warnecke

Source: Open Payments (CMS), 2025 data, released July 7, 2026

Dr. Brian Oliver Warnecke graduated from Kansas City University of Medicine and Biosciences College of Osteopathic Medicine

Dr. Warnecke graduated from Kansas City University of Medicine and Biosciences College of Osteopathic Medicine in 2019.

  1. Medical schoolKansas City University of Medicine and Biosciences College of Osteopathic Medicine
  2. Board certified in internal medicineAmerican Board of Internal Medicine

Source: Dmand AI Professional Profile Data

Sources for Dr. Brian Oliver Warnecke's profile data

Sources for the data on this page
Data on this pageSource
NPI, name, sex, specialty and licensesNPPES NPI Registry (CMS) (opens in a new tab)Dmand AI Professional Profile Data
Practice locations and phoneDmand AI Affiliation Data
Primary practice, affiliations and health systemDmand AI Affiliation DataDmand AI Org Hierarchy Data
Medicare patients and the all-payer patient panelDmand AI Patient Panel Data
MIPS scores, telehealth, assignment and procedure percentilesDoctors and Clinicians National Downloadable File (CMS) (opens in a new tab)
Publications, topics and co-authorsPubMed (National Library of Medicine) (opens in a new tab)Dmand AI Research Linkage
Industry paymentsOpen Payments (CMS) (opens in a new tab)
Training, board certification and membershipsDmand AI Professional Profile Data
EHR at each practice siteDmand AI Technology Install Data
Similar physiciansDmand AI Affiliation Data

Data last refreshed October 2026Report an inaccuracyRemove my information

FAQ

Frequently asked questions about Dr. Brian Oliver Warnecke

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. Brian Oliver Warnecke's NPI number?

Dr. Brian Oliver Warnecke's NPI number is 1356804421. It was assigned on April 7, 2019, and it is active in the NPI Registry.

What kind of doctor is Dr. Brian Oliver Warnecke?

Dr. Brian Oliver Warnecke is an internist in Orange, California. The primary specialty in the NPI Registry is Internal Medicine Physician (taxonomy code 207R00000X).

Where does Dr. Brian Oliver Warnecke practice?

Dr. Warnecke practices at 101 City Drive South, Orange, CA 92868. Dr. Warnecke's primary practice is UCI Health - Orange in Orange, California, part of UC Irvine. Dmand AI also links Dr. Warnecke to 1 group practice or clinic.

What is Dr. Brian Oliver Warnecke's office phone number?

The practice phone on file for Dr. Warnecke is (714) 456-7890.

What is Dr. Brian Oliver Warnecke's medical license number?

Dr. Warnecke holds California license 20A20086.

Which hospitals is Dr. Brian Oliver Warnecke affiliated with?

Dr. Warnecke practices at UCI Health - Orange in Orange, California. Dr. Warnecke is also affiliated with Providence Mission Hospital.

What medical group is Dr. Brian Oliver Warnecke part of?

Dr. Warnecke is linked to UCI Health Physicians.

Does Dr. Brian Oliver Warnecke accept Medicare?

Yes. CMS lists Dr. Warnecke as accepting Medicare assignment.

Does Dr. Brian Oliver Warnecke offer telehealth?

Yes. The CMS Doctors and Clinicians file lists Dr. Warnecke as offering telehealth services.

Is Dr. Brian Oliver Warnecke board certified?

Yes. Dr. Warnecke is board certified in internal medicine by the American Board of Internal Medicine.

Show 5 more questionsShow fewer questions

Where did Dr. Brian Oliver Warnecke go to medical school?

Dr. Warnecke graduated from Kansas City University of Medicine and Biosciences College of Osteopathic Medicine in 2019.

Has Dr. Brian Oliver Warnecke received payments from drug or device companies?

CMS Open Payments shows $1,083 in general payments to Dr. Warnecke from 5 companies from 2023 to 2025. The largest total came from Celgene Corporation.

How long has Dr. Brian Oliver Warnecke been practicing?

Dr. Warnecke graduated from medical school in 2019, 7 years ago.

Does Dr. Brian Oliver Warnecke do research?

Dmand AI links 7 publications to Dr. Warnecke, published from 2023 to 2025.

Who does Dr. Brian Oliver Warnecke publish with?

Dr. Warnecke's most frequent co-authors are Misako Nagasaka, MD (3 shared papers), Ritesh Parajuli, MD (2 shared papers) and Alaq Al-Abayechi, MD (1 shared paper).

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