Diana Elaine Brewer, PA-C
- Medicare patients, 2024
- 23
- Part D claims, 2024
- 108
- MIPS score, 2024
- 99
- Hospital affiliations
- 1
- Industry payments
- $813
- Practice address
- 3181 SW Sam Jackson Park Road, Portland, OR 97239
- Practice phone
- Call (503) 494-9000
- Professional email
- Get professional email
- Personal email
- Get personal email
- Mobile number
- Get mobile number
Primary practice
Find Diana Brewer's professional email, personal email and mobile number
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Diana Elaine Brewer is a physician assistant in Portland, Oregon
Diana Brewer practices at OHSU Hospital in Portland, Oregon, part of State of Oregon.
Diana Brewer's NPI, 1043373764, was assigned on December 18, 2006. Diana Brewer holds Texas license PA04761.
- NPI
- 1043373764NPI Registry (opens in a new tab)
- Medicare PAC ID
- 3678675907
- NPI enumeration date
- December 18, 2006
- NPI status
- Active
- Accepts Medicare assignment
- Yes
- Offers telehealth
- Yes
- Practice phone
- (503) 494-9000
- Professional email
- Get email
- Personal email
- Get email
- Mobile number
- Get number
- Sex
- Female
- Estimated age
- 46
- Medical school graduation
- 2006
Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; Dmand AI Affiliation Data; and Doctors and Clinicians National Downloadable File (CMS)
Diana Elaine Brewer practices at OHSU Hospital in Portland, Oregon
Diana Brewer's primary practice is OHSU Hospital, at 3181 SW Sam Jackson Park Road, Portland, OR 97239 in Multnomah County. The practice phone is (503) 494-9000.
- OHSU Hospital3181 SW Sam Jackson Park Road, Portland, OR 97239 · Multnomah CountyPhone(503) 494-9000
Source: Dmand AI Affiliation Data
Diana Elaine Brewer is affiliated with 2 sites of care and 1 medical group
Diana Brewer's primary practice is OHSU Hospital in Portland, Oregon, part of State of Oregon. The medical group on file is Oregon Health & Science University (OHSU). Dmand AI also links Diana Brewer to 1 more clinical lab, named with a free account.
Sources: Dmand AI Affiliation Data; and Dmand AI Org Hierarchy Data
Dmand AI tracks the EHR system at Diana Elaine Brewer's practice
Dmand AI tracks the electronic health record (EHR) system at each site where Diana Brewer practices, 2 sites in all. Vendor and product names are available with a free account.
| Site | EHR vendor and product |
|---|---|
| OHSU Hospital | Available with a free account |
| +1 more affiliated site | Available with a free account |
Source: Dmand AI Technology Install Data
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Diana Elaine Brewer is one of 1,937 physician assistants in Oregon
Physician assistant is Diana Brewer's primary specialty in the NPI Registry, under taxonomy code 363A00000X. Diana Brewer is board certified in certified physician assistant by the National Commission on Certification of Physician Assistants (NCCPA). Diana Brewer is licensed in Texas.
Specialties and state licenses
- Physician assistant, TexasPrimary
Physician assistants near Diana Brewer
Counts of physician assistants 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
Diana Elaine Brewer treated 23 Medicare patients in 2024, average age 74
CMS counts 23 Medicare patients who saw Diana Brewer in 2024. The largest group is 65 to 74, with 12 patients. 74% of them have high blood pressure, and 61% have high cholesterol. Their average risk score is 2.66, where 1.00 is the Medicare average, so they are sicker than most Medicare patients.
Across all payers, Dmand AI patient panel data puts Diana Brewer's median patient age at 69, with 57% women.
Diana Brewer's Medicare patients by age, 2024
CMS leaves out age groups with fewer than 11 patients.
Diana Brewer's Medicare patients by sex, 2024
- Women1148%
- Men1252%
Chronic conditions among Diana Brewer's Medicare patients, 2024
- High blood pressure74%
- High cholesterol61%
Share of Medicare patients with each condition. A patient can have several.
Diana Brewer's patients across all payers
Dmand AI patient panel data covers Medicare, Medicaid and commercial patients.
Patient panel by age, all payers
Median age 69
Patient panel by sex, all payers
- Women57%
- Men43%
Sources: Dmand AI Patient Panel Data; and Medicare Physician & Other Practitioners - by Provider (CMS), 2024 data
Diana Elaine Brewer wrote 108 Medicare Part D claims in 2024
In 2024, Diana Brewer wrote 108 Medicare Part D claims for 17 patients. 39% of them were for generic drugs. CMS names the drug for 81 of them, across 6 drugs with 11 or more claims each, at $451,427 in total drug cost.
Diana Brewer's Part D claims by kind of drug, 2024
- Generic42 claims39%
- Brand-name66 claims61%
Diana Brewer's 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.
Drug classes CMS tracks in Diana Brewer's Part D claims, 2024
- Opioids23%25 of 108 claims
Share of all Part D claims for each drug class CMS reports on. Classes with no claims are left out.
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
Diana Elaine Brewer scored 99 out of 100 in Medicare's MIPS program for 2024
CMS publishes a Merit-based Incentive Payment System (MIPS) score of 99 out of 100 for Diana Brewer for performance year 2024, reported through an alternative payment model (APM). Diana Brewer accepts Medicare assignment, so Medicare's approved amount is taken as full payment. CMS lists Diana Brewer as offering telehealth.
- Accepts Medicare assignment
- Yes
- Offers telehealth
- Yes
Diana Brewer's MIPS scores, performance year 2024
- 99of 100Final score
- 84.3of 100Quality
- 100of 100Promoting Interoperability
- 40of 100Improvement Activities
Each score is out of 100. The final score weighs the categories CMS scored for this clinician.
Sources: Doctors and Clinicians National Downloadable File (CMS); and Clinician Public Reporting: Overall MIPS Performance (CMS), 2024 data, released September 10, 2026
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Diana Elaine Brewer received $813 in industry payments in 2025
CMS Open Payments shows 1 general payment to Diana Brewer from 1 drug or device company in 2025. Consulting fees make up the largest share, 100% of the total. Novartis Pharmaceuticals Corporation paid the most, $813.
Companies that paid Diana Brewer the most, 2025 to 2025
Share is of all general payments to this clinician.
Source: Open Payments (CMS), 2025 data, released July 7, 2026
Diana Elaine Brewer is board certified in certified physician assistant
- Board certified in certified physician assistant
Source: Dmand AI Professional Profile Data
Sources for Diana Elaine Brewer'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 and Drug (CMS) (opens in a new tab)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)Clinician Public Reporting: Overall MIPS Performance (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 |
| 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 Diana Elaine Brewer
Spotted something out of date? Email hello@dmand.ai and we will check the record. Contact details live in the free trial.
What is Diana Elaine Brewer's NPI number?
Diana Elaine Brewer's NPI number is 1043373764. It was assigned on December 18, 2006, and it is active in the NPI Registry.
What does Diana Elaine Brewer specialize in?
Diana Elaine Brewer is a physician assistant in Portland, Oregon. The primary specialty in the NPI Registry is Physician Assistant (taxonomy code 363A00000X).
Where does Diana Elaine Brewer practice?
Diana Brewer practices at 3181 SW Sam Jackson Park Road, Portland, OR 97239. Diana Brewer's primary practice is OHSU Hospital in Portland, Oregon, part of State of Oregon. Dmand AI also links Diana Brewer to 1 clinical lab.
What is Diana Elaine Brewer's office phone number?
The practice phone on file for Diana Brewer is (503) 494-9000.
What is Diana Elaine Brewer's medical license number?
Diana Brewer holds Texas license PA04761.
Which hospitals is Diana Elaine Brewer affiliated with?
Diana Brewer practices at OHSU Hospital in Portland, Oregon.
What medical group is Diana Elaine Brewer part of?
Diana Brewer is linked to Oregon Health & Science University (OHSU).
Does Diana Elaine Brewer accept Medicare?
Yes. CMS lists Diana Brewer as accepting Medicare assignment.
Does Diana Elaine Brewer offer telehealth?
Yes. The CMS Doctors and Clinicians file lists Diana Brewer as offering telehealth services.
What is Diana Elaine Brewer's MIPS score?
Diana Brewer's MIPS final score for performance year 2024 is 99 out of 100, reported through an alternative payment model (APM).
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How many Medicare patients does Diana Elaine Brewer see?
CMS counts 23 Medicare patients who saw Diana Brewer in 2024, with an average age of 74.
Is Diana Elaine Brewer board certified?
Yes. Diana Brewer is board certified in certified physician assistant by the National Commission on Certification of Physician Assistants (NCCPA).
What drugs does Diana Elaine Brewer prescribe most?
In 2024 Medicare Part D data, Diana Brewer's most prescribed drugs by claims were Gleevec, Scemblix and Bosulif.
Has Diana Elaine Brewer received payments from drug or device companies?
CMS Open Payments shows $813 in general payments to Diana Brewer from 1 company from 2025 to 2025. The largest total came from Novartis Pharmaceuticals Corporation.
How long has Diana Elaine Brewer been practicing?
Diana Brewer graduated from medical school in 2006, 20 years ago.
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