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Dr. Matthew James Rees, MD
NPI1528747151
- Part D claims, 2024
- 63
- Publications
- 26
- Hospital affiliations
- 1
- State license
- 1
- Year NPI issued
- 2023
- Practice address
- 1101 Moulton and Parsons Drive, Saint James, MN 56081
- Practice phone
- Call (507) 375-8602
- Professional email
- Get professional email
- Personal email
- Get personal email
- Mobile number
- Get mobile number
Primary practice
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Dr. Matthew James Rees is a hematology (internal medicine) physician in Saint James, Minnesota
Dr. Rees practices at Mayo Clinic Health System in St. James in Saint James, Minnesota, part of Mayo Clinic.
Dr. Rees' NPI, 1528747151, was assigned on July 12, 2023. Dr. Rees holds Minnesota license 33136.
NPI and contact details
- NPI
- 1528747151NPI Registry (opens in a new tab)
- NPI enumeration date
- July 12, 2023
- NPI status
- Active
- Practice phone
- (507) 375-8602
- Professional email
- Get email
- Personal email
- Get email
- Mobile number
- Get number
- Sex
- Male
Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; and Dmand AI Affiliation Data
Dr. Matthew James Rees practices at Mayo Clinic Health System in St. James in Saint James, Minnesota
Dr. Rees' primary practice is Mayo Clinic Health System in St. James, at 1101 Moulton and Parsons Drive, Saint James, MN 56081 in Watonwan County. The practice phone is (507) 375-8602.
- Mayo Clinic Health System in St. James1101 Moulton and Parsons Drive, Saint James, MN 56081 · Watonwan CountyPhone(507) 375-8602
Source: Dmand AI Affiliation Data
Dr. Matthew James Rees is affiliated with 1 site of care
Dr. Rees' primary practice is Mayo Clinic Health System in St. James in Saint James, Minnesota, part of Mayo Clinic.
Sources: Dmand AI Affiliation Data; and Dmand AI Org Hierarchy Data
Dmand AI tracks the EHR system at Dr. Matthew James 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 |
|---|---|
| Mayo Clinic Health System in St. James | Available with a free account |
Source: Dmand AI Technology Install Data
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Dr. Matthew James Rees is one of 97 hematology (internal medicine) physicians in Minnesota
Internal medicine is Dr. Rees' primary specialty in the NPI Registry, under taxonomy code 207RH0000X. The record also lists hematology. Dr. Rees is licensed in Minnesota.
Specialties and state licenses
- Hematology (internal medicine), MinnesotaPrimary
Hematology (internal medicine) physicians near Dr. Rees
Counts of hematology (internal 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. Matthew James Rees' patients have a median age of 80
Across all payers, Dmand AI patient panel data puts Dr. Rees' median patient age at 80, with 50% 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 80
Patient panel by sex, all payers
- Women50%
- Men50%
Source: Dmand AI Patient Panel Data
Dr. Matthew James Rees wrote 63 Medicare Part D claims in 2024
In 2024, Dr. Rees wrote 63 Medicare Part D claims for 18 patients. 90% of them were for generic drugs. CMS names the drug for 29 of them, across 1 drug with 11 or more claims each, at $116 in total drug cost. In 2023, CMS named 13 claims across 1 drug.
Part D claims, 202463
Drugs named by CMS1
Total drug cost$116
Part D patients18
Dr. Rees' Part D claims by kind of drug, 2024
- Generic57 claims90%
- Brand-name and other6 claims10%
Dr. Rees' 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: 132024: 29123%
Drugs named by CMS: 1 in 2024, 1 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
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Dr. Matthew James Rees has 26 publications on record
Dmand AI links 26 papers to Dr. Rees, published from 2016 to 2025. 2021 was the busiest year, with 4. The most frequent topics are Multiple Myeloma, Australia and Hematopoietic Stem Cell Transplantation. Dr. Rees has published most often in Bone Marrow Transplant. Dr. Rees' most frequent co-authors are Angela Dispenzieri, MD, Morie A. Gertz, MD and Wilson I. Gonsalves, MD.
Papers26
Years published2016 to 2025
Dr. Rees' papers by year, 2016 to 2025
Topics Dr. Rees writes about most
- Multiple Myeloma
- Australia
- Hematopoietic Stem Cell Transplantation
- Antineoplastic Agents
- Antineoplastic Combined Chemotherapy Protocols
- Autografts
- Cyclophosphamide
- Fishes
Dr. Rees' most frequent co-authors
- Angela Dispenzieri, MD5 shared papers
- Morie A. Gertz, MD5 shared papers
- Wilson I. Gonsalves, MD5 shared papers
Recent publications by Dr. Rees
Early Detection of CancerIncidental FindingsLymphoma, Large B-Cell, Diffuse
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 hematology (internal medicine) physicians.
Sources: PubMed (National Library of Medicine); and Dmand AI Research Linkage
Sources for Dr. Matthew James 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 | 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 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 |
| 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. Matthew James 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. Matthew James Rees' NPI number?
Dr. Matthew James Rees' NPI number is 1528747151. It was assigned on July 12, 2023, and it is active in the NPI Registry.
What kind of doctor is Dr. Matthew James Rees?
Dr. Matthew James Rees is a hematology (internal medicine) physician in Saint James, Minnesota. The primary specialty in the NPI Registry is Hematology (Internal Medicine) Physician (taxonomy code 207RH0000X).
Where does Dr. Matthew James Rees practice?
Dr. Rees practices at 1101 Moulton and Parsons Drive, Saint James, MN 56081. Dr. Rees' primary practice is Mayo Clinic Health System in St. James in Saint James, Minnesota, part of Mayo Clinic.
What is Dr. Matthew James Rees' office phone number?
The practice phone on file for Dr. Rees is (507) 375-8602.
What is Dr. Matthew James Rees' medical license number?
Dr. Rees holds Minnesota license 33136.
Which hospitals is Dr. Matthew James Rees affiliated with?
Dr. Rees practices at Mayo Clinic Health System in St. James in Saint James, Minnesota.
What drugs does Dr. Matthew James Rees prescribe most?
In 2024 Medicare Part D data, Dr. Rees' most prescribed drugs by claims were Acyclovir.
How long has Dr. Matthew James Rees been practicing?
Dr. Rees' NPI was assigned in 2023.
Does Dr. Matthew James Rees do research?
Dmand AI links 26 publications to Dr. Rees, published from 2016 to 2025.
Who does Dr. Matthew James Rees publish with?
Dr. Rees' most frequent co-authors are Angela Dispenzieri, MD (5 shared papers), Morie A. Gertz, MD (5 shared papers) and Wilson I. Gonsalves, MD (5 shared papers).
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