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Dr. Brian Michael Rees, MD
NPI1962558205
- Medicare services, 2018
- 164
- Part D claims, 2018
- 47
- Publications
- 2
- Industry payments
- $997
- State licenses
- 5
- Practice address
- 2097 Compton Ave, Corona, CA 92881
- Practice phone
- Call (949) 306-5115
- Professional email
- Get professional email
- Personal email
- Get personal email
- Mobile number
- Get mobile number
Primary practice
Oceana Gastroenterology Associates
Corona, California
Find Dr. Rees' 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. Brian Michael Rees is a family medicine physician in Corona, California
Dr. Rees practices at Oceana Gastroenterology Associates in Corona, California.
Dr. Rees' NPI, 1962558205, was assigned on January 27, 2007. Dr. Rees graduated from Tulane School of Medicine in 1979. Dr. Rees holds California license C40764.
NPI and contact details
- NPI
- 1962558205NPI Registry (opens in a new tab)
- NPI enumeration date
- January 27, 2007
- NPI status
- Active
- Practice phone
- (949) 306-5115
- Professional email
- Get email
- Personal email
- Get email
- Mobile number
- Get number
- Sex
- Male
- Medical school graduation
- 1979
Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; and Dmand AI Practice Data
Dr. Brian Michael Rees practices at Oceana Gastroenterology Associates in Corona, California
Dr. Rees' primary practice is Oceana Gastroenterology Associates, at 2097 Compton Ave, Corona, CA 92881 in Riverside County. The practice phone is (949) 306-5115.
- Oceana Gastroenterology Associates2097 Compton Ave, Corona, CA 92881 · Riverside CountyPhone(949) 306-5115
Sources: NPPES NPI Registry (CMS); and Dmand AI Practice Data
Dr. Brian Michael Rees is affiliated with 1 site of care
Dr. Rees' primary practice is Oceana Gastroenterology Associates in Corona, California.
Oceana Gastroenterology AssociatesPrimary
Sources: NPPES NPI Registry (CMS); and Dmand AI Practice Data
Dmand AI tracks the EHR system at Dr. Brian Michael Rees' practice
Dmand AI tracks the electronic health record (EHR) system at each site where Dr. Rees practices. Vendor and product names are available with a free account.
| Site | EHR vendor and product |
|---|---|
| Oceana Gastroenterology Associates | Available with a free account |
Source: Dmand AI Technology Install Data
For health IT teams
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Dr. Brian Michael Rees is one of 15,680 family medicine physicians in California
Family medicine is Dr. Rees' primary specialty in the NPI Registry, under taxonomy code 207Q00000X. Dmand AI has Dr. Rees' licenses on file in 5 states: California, Nevada, Hawaii, Iowa and Louisiana.
Specialties and state licenses
- Family medicine, CaliforniaPrimary
- Nevada license
- Hawaii license
- Iowa license
- Louisiana license
Family medicine physicians near Dr. Rees
Counts of family medicine physicians 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 Michael Rees billed Medicare for 164 services in 2018
CMS data shows 164 Medicare services from Dr. Rees across 2 procedure codes in 2018, all of them office visits. Medicare paid $12,940 for them. Every service was in an office.
Medicare services, 2018164
Paid by Medicare$12,940
Procedure codes2
Dr. Rees' Medicare services by type, 2017 to 2018
- 2017
- 2018
- Office and hospital visits
- 2017: 3422018: 16452%
Dr. Rees compared with the California median for family medicine physicians, 2018
- Dr. Rees
- California median
- Medicare services
- 164vs 24633% below
- Part D claims
- 47vs 83394% below
Medians across 15,349 family medicine physicians in California with Dmand AI profiles that report each measure.
Dr. Rees' most billed Medicare procedure codes, 2018
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. Rees?
Medicare shows one payer. Book a meeting to get commercial claims data for Dr. Rees and other family medicine physicians in California.
Sources: Medicare Physician & Other Practitioners - by Provider and Service (CMS), 2024 data; and Dmand AI Peer Benchmarks
Dr. Brian Michael Rees' patients have a median age of 63
Across all payers, Dmand AI patient panel data puts Dr. Rees' median patient age at 63, with 56% women.
Dr. Rees' patients across all payers
Dmand AI patient panel data covers Medicare, Medicaid and commercial patients.
Patient panel by age, all payers
Median age 63
Patient panel by sex, all payers
- Women56%
- Men44%
Source: Dmand AI Patient Panel Data
Dr. Brian Michael Rees wrote 47 Medicare Part D claims in 2018
In 2018, Dr. Rees wrote 47 Medicare Part D claims. They cover 3 drugs, with $11,328 in total drug cost.
Part D claims, 201847
Drugs named by CMS3
Total drug cost$11,328
Dr. Rees' most prescribed drugs by claims, 2018
CMS names a drug when it has 11 or more claims. Share is of the claims for drugs CMS names.
Source: Medicare Part D Prescribers - by Provider and Drug (CMS), 2024 data, released May 6, 2026
For MedTech and pharma teams
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Dr. Brian Michael Rees has 2 publications on record
Dmand AI links 2 papers to Dr. Rees. Dr. Rees' most frequent co-author is David Shapiro, MD.
Papers2
Dr. Rees' most frequent co-authors
Recent publications by Dr. Rees
See who Dr. Rees researches with
Physician Network Discovery turns co-authorship, shared hospitals and shared groups into a map of who Dr. Rees works with, so you can find a warm path to the right family medicine physicians.
Sources: PubMed (National Library of Medicine); and Dmand AI Research Linkage
Dr. Brian Michael Rees received $997 in industry payments from 2016 to 2018
CMS Open Payments shows 13 general payments to Dr. Rees from 9 drug and device companies from 2016 to 2018. Food and beverage make up the largest share, 100% of the total. Merck Sharp & Dohme Corporation paid the most, $223.
General payments to Dr. Rees by program year, 2016 to 2018
Companies that paid Dr. Rees the most, 2016 to 2018
Share is of all general payments to this clinician.
Source: Open Payments (CMS), 2025 data, released July 7, 2026
Dr. Brian Michael Rees graduated from Tulane School of Medicine
Dr. Rees graduated from Tulane School of Medicine in 1979.
- Medical school
Source: Dmand AI Professional Profile Data
Sources for Dr. Brian Michael Rees'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 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) |
| 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 |
| 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. Brian Michael Rees
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 Michael Rees' NPI number?
Dr. Brian Michael Rees' NPI number is 1962558205. It was assigned on January 27, 2007, and it is active in the NPI Registry.
What kind of doctor is Dr. Brian Michael Rees?
Dr. Brian Michael Rees is a family medicine physician in Corona, California. The primary specialty in the NPI Registry is Family Medicine Physician (taxonomy code 207Q00000X).
Where does Dr. Brian Michael Rees practice?
Dr. Rees practices at 2097 Compton Ave, Corona, CA 92881. Dr. Rees' primary practice is Oceana Gastroenterology Associates in Corona, California.
What is Dr. Brian Michael Rees' office phone number?
The practice phone on file for Dr. Rees is (949) 306-5115.
What is Dr. Brian Michael Rees' medical license number?
Dr. Rees holds California license C40764, one of the licenses on file in 5 states.
Which states has Dr. Brian Michael Rees been licensed in?
Dmand AI has state licenses on file for Dr. Rees in California (1982 to 2026), Nevada (1996 to 1997), Hawaii (1982 to 1990), Iowa (1986 to 1990) and Louisiana (1982 to 1984).
Does Dr. Brian Michael Rees accept Medicare?
Yes. CMS data shows Dr. Rees billed Medicare for 164 services in 2018.
What services does Dr. Brian Michael Rees bill to Medicare?
In 2018, Dr. Rees' most billed Medicare services were office visit, established patient (99214) and office visit, new patient (99204).
Where did Dr. Brian Michael Rees go to medical school?
Dr. Rees graduated from Tulane School of Medicine in 1979.
What drugs does Dr. Brian Michael Rees prescribe most?
In 2018 Medicare Part D data, Dr. Rees' most prescribed drugs by claims were Buprenorphine HCl, Hydrocodone-Acetaminophen and Suboxone.
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Has Dr. Brian Michael Rees received payments from drug or device companies?
CMS Open Payments shows $997 in general payments to Dr. Rees from 9 companies from 2016 to 2018. The largest total came from Merck Sharp & Dohme Corporation.
How long has Dr. Brian Michael Rees been practicing?
Dr. Rees graduated from medical school in 1979, 47 years ago.
Does Dr. Brian Michael Rees do research?
Dmand AI links 2 publications to Dr. Rees.
Who does Dr. Brian Michael Rees publish with?
Dr. Rees' most frequent co-authors are David Shapiro, MD (1 shared paper).
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