Matthew Douglas Greer, MD
Radiation Oncology Physician · Tucson, AZ
Matthew Douglas Greer, MD is a radiation oncology physician with a practice address in Tucson, Arizona, and NPI 1073045043, issued on Mar 29, 2017. Check the license (Arizona 64479, as entered in NPPES) on the Arizona Medical Board; the Medicare figures below come from public CMS files.
- Name
- Matthew Douglas Greer
- Credential
- MD
- Primary taxonomy
- Radiation Oncology Physician 2085R0001X
- License numbers
- 64479 AZ
MRM-1645 ID
Self-reported in NPPES; status is on the state search - Practice location
- 3838 N Campbell Ave Bldg 2, Tucson, AZ 85719
- Phone
- (520) 694-7236
- Enumerated
- Mar 29, 2017
- Record last updated
- Jul 7, 2022
- Medicare enrollment
- Enrolled (PECOS I20220518002134); accepts Medicare assignment
- Medical or professional school
- Clvlnd Clinic Lerner College Of Med Of Case Wstn Rsv University, 2017
- Entity
- Type 1 · individual
8 nearest radiation oncology physician records → All 156 in Arizona → Look up another NPI →
Also registered at 3838 N Campbell Ave Bldg 2
A shared address usually means a shared clinic or building; it does not show who employs whom.
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- Frank Brosius, MDNephrology Physician1336221217
- Alexa Carbone-Lang, RD, LDRegistered Dietitian1538839899
Verify Matthew Douglas Greer in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersArizona Medical Board
Search for license 64479Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
22% fewer Medicare Part D claims than the average radiation oncology physician in 2024
105 Medicare Part D claims for 44 beneficiaries, against an average of 134 among the 4,851 providers of this specialty who prescribed in Part D. 13 claims were for opioids.
Most prescribed
- Dexamethasone12 claims
- Lidocaine Hcl Viscous11 claims
- Ssd11 claims
Source: CMS Medicare Part D Prescribers by Provider and Drug, 2024 (data.cms.gov). Part D covers prescriptions for Medicare patients only; drugs with fewer than 11 claims are not published.
The MIPS final score for 2023 (Medicare payment program): 97.6 of 100
The Merit-based Incentive Payment System score is reported for this clinician. Four categories are weighted into the final score; the average among 454,083 clinicians with a measured score was 83.5.
Source: CMS Quality Payment Program, MIPS performance year 2023; category weights for 2023 (qpp.cms.gov).
Industry payments in 2024: $424.14
17 payments; by number, the most common kind was food and beverage; the largest payer was Merck Sharp & Dohme LLC. The 3,275 providers of this specialty with any payment received $1,897.85 on average. Payments are reported by manufacturers, not by the provider, and are not a sign of wrongdoing.
Source: CMS Open Payments, program year 2024 (openpaymentsdata.cms.gov); average among providers of this specialty with at least one payment.
Bills Medicare through one group practice
- Northern Arizona Healthcare CorporationFlagstaff, AZ
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Matthew Douglas Greer among 156 radiation oncology physician records in Arizona
Matthew Douglas Greer, MD is one of 156 radiation oncology physician records with a practice address in Arizona. 84% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2017, is newer than 88% of them.
- NPI issued2017 · 88% of these records are older, 10% newer
- In a Medicare fileYes · 84% of these records are
- In the CMS Doctors and Clinicians fileYes · 74% of these records are
- Graduated2017 · median 2003 among the 115 with a school on file
- Record last updated2022 · 46% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 2085R0001X and a Arizona practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
Radiation Oncology Physician providers in Arizona
There are 156 radiation oncology physician records in Arizona.
All 156 in Arizona → Every provider in Tucson → Radiation Oncology Physician nationwide →
The 8 radiation oncology physician records with the nearest ZIP codes
- Nagy Elsayyad, MBBCH(MD)Tucson, AZ 857191851592687
- Jonathan Gabriel, DOTucson, AZ 857191295357309
- Christopher Morrison, MD, PHDTucson, AZ 857191295183499
- Jonathan Sackett, MDTucson, AZ 857191427686401
- Lora Wang, M.D.Tucson, AZ 857191760773576
- Matthew McFarlane, M.D., PH.D.Tucson, AZ 857181952763641
- Tijana Skrepnik, M.D.Tucson, AZ 857181922447127
- Samuel Day, MD, PHDTucson, AZ 857161811304652
Common questions
What is Matthew Douglas Greer, MD's NPI number?
Matthew Douglas Greer, MD's National Provider Identifier (NPI) is 1073045043, issued on Mar 29, 2017. An NPI identifies a provider in billing; it is not a license.
Where is Matthew Douglas Greer, MD located?
The NPPES record lists a practice address at 3838 N Campbell Ave Bldg 2, Tucson, AZ, 85719. Phone: (520) 694-7236. Providers update this record themselves, so call before visiting.
How can I verify Matthew Douglas Greer, MD's license?
NPPES lists Arizona license number 64479, as entered by the provider. Search the Arizona Medical Board at https://www.azmd.gov/. The NPPES record confirms identity only; the state search shows license status, expiration and public orders.
How much does Matthew Douglas Greer, MD prescribe under Medicare Part D?
In 2024, Matthew Douglas Greer, MD had 105 Medicare Part D claims for 44 beneficiaries; the average among radiation oncology physician prescribers was 134. Part D covers Medicare prescriptions only.
What is Matthew Douglas Greer, MD's MIPS final score?
The 2023 MIPS final score is 97.6 of 100. The average among 454,083 clinicians with a measured score was 83.5.
Source: CMS National Plan and Provider Enumeration System (NPPES), file of Aug 9, 2026 (NPPES files on CMS.gov); NUCC Health Care Provider Taxonomy. Medicare files from data.cms.gov. An NPI identifies who bills; it is not a license.
Figures on PlainDoctor are read from the federal files each page names (CMS NPPES, Medicare Part D, MIPS, Open Payments; the HHS-OIG exclusion list only as counts) and from Census population estimates, with the file date shown beside them. See our editorial standards & corrections policy, the methodology behind these numbers, or report a data error. Data current as of Aug 9, 2026.