Matthew Ryan Greenwood
- Medicare services, 2024
- 430
- Medicare patients, 2024
- 155
- Part D claims, 2024
- 95
- Publications
- 3
- MIPS score, 2024
- 100
- Practice address
- 55 North Ave, Mendon, MA 01756
- Practice phone
- Call (508) 334-1000
- Professional email
- Get professional email
- Personal email
- Get personal email
- Mobile number
- Get mobile number
Primary practice
Umass Memorial Medical Center
Mendon, Massachusetts
Find Matthew Greenwood's 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.
Matthew Ryan Greenwood is an internist in Mendon, Massachusetts
Matthew Greenwood practices at Umass Memorial Medical Center in Mendon, Massachusetts.
Matthew Greenwood's NPI, 1649730862, was assigned on March 22, 2019. Matthew Greenwood graduated from University of Connecticut School of Medicine in 2019. Matthew Greenwood holds Massachusetts license 292411.
- NPI
- 1649730862NPI Registry (opens in a new tab)
- Medicare PAC ID
- 4486980638
- NPI enumeration date
- March 22, 2019
- NPI status
- Active
- Accepts Medicare assignment
- Yes
- Offers telehealth
- Yes
- Practice phone
- (508) 334-1000
- 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 Practice Data; and Doctors and Clinicians National Downloadable File (CMS)
Matthew Ryan Greenwood practices at Umass Memorial Medical Center in Mendon, Massachusetts
Matthew Greenwood's primary practice is Umass Memorial Medical Center, at 55 North Ave, Mendon, MA 01756 in Worcester County. The practice phone is (508) 334-1000.
- Umass Memorial Medical Center55 North Ave, Mendon, MA 01756 · Worcester CountyPhone(508) 334-1000
Sources: NPPES NPI Registry (CMS); and Dmand AI Practice Data
Matthew Ryan Greenwood is affiliated with 3 sites of care and 1 medical group
Matthew Greenwood's primary practice is Umass Memorial Medical Center in Mendon, Massachusetts. Matthew Greenwood is also affiliated with UMass Memorial Medical Center - University Campus. The medical group on file is UMass Memorial Medical Group. Dmand AI also links Matthew Greenwood to 1 more group practice or clinic, named with a free account.
Sources: NPPES NPI Registry (CMS); Dmand AI Practice Data; and Dmand AI Affiliation Data
Dmand AI tracks the EHR system at Matthew Ryan Greenwood's practice
Dmand AI tracks the electronic health record (EHR) system at each site where Matthew Greenwood practices, 2 sites in all. Vendor and product names are available with a free account.
| Site | EHR vendor and product |
|---|---|
| Umass Memorial Medical Center | Available with a free account |
| +2 more affiliated sites | Available with a free account |
Source: Dmand AI Technology Install Data
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Matthew Ryan Greenwood is one of 5,528 internists in Massachusetts
Internal medicine is Matthew Greenwood's primary specialty in the NPI Registry, under taxonomy code 207R00000X. Matthew Greenwood is licensed in Massachusetts.
Specialties and state licenses
- Internal medicine, MassachusettsPrimary
Internists near Matthew Greenwood
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
Matthew Ryan Greenwood billed Medicare for 430 services in 2024
CMS data shows 430 Medicare services from Matthew Greenwood across 5 procedure codes in 2024, for 155 Medicare patients. Medicare paid $34,084 for them. Every service was in a facility, such as a hospital, rather than an office.
Matthew Greenwood's Medicare services by type, 2023 to 2024
- 2023
- 2024
- Office and hospital visits
- 2023: 4992024: 38323%
- Other services
- 2023: 452024: 474%
Matthew Greenwood compared with the Massachusetts median for internists, 2024
- Matthew Greenwood
- Massachusetts median
- Medicare services
- 430vs 431Close to median
- Medicare patients
- 155vs 19420% below
- Part D claims
- 32vs 40292% below
Medians across 5,369 internists in Massachusetts with Dmand AI profiles that report each measure.
Matthew Greenwood's most billed Medicare procedure codes, 2024
CMS publishes codes billed for 11 or more Medicare patients. Each label is the code family; CPT descriptions are licensed by the AMA.
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Medicare shows one payer. Book a meeting to get commercial claims data for Matthew Greenwood and other internists in Massachusetts.
Sources: Medicare Physician & Other Practitioners - by Provider and Service (CMS), 2024 data; and Dmand AI Peer Benchmarks
Matthew Ryan Greenwood treated 155 Medicare patients in 2024, average age 73
CMS counts 155 Medicare patients who saw Matthew Greenwood in 2024. The largest group is 75 to 84, with 45 patients. 75% of them have high blood pressure, and 75% have high cholesterol. 53% are also on Medicaid. Their average risk score is 3.06, where 1.00 is the Medicare average, so they are sicker than most Medicare patients.
Across all payers, Dmand AI patient panel data puts Matthew Greenwood's median patient age at 71, with 42% women.
Matthew Greenwood's Medicare patients by age, 2024
Matthew Greenwood's Medicare patients by sex, 2024
- Women7246%
- Men8354%
Chronic conditions among Matthew Greenwood's Medicare patients, 2024
- High blood pressure75%
- High cholesterol75%
- Arthritis62%
- Anxiety61%
- Mood disorders55%
- Chronic kidney disease48%
- Depression48%
- Ischemic heart disease44%
Share of Medicare patients with each condition. A patient can have several.
Matthew Greenwood's patients across all payers
Dmand AI patient panel data covers Medicare, Medicaid and commercial patients.
Patient panel by age, all payers
Median age 71
Patient panel by sex, all payers
- Women42%
- Men58%
Sources: Dmand AI Patient Panel Data; and Medicare Physician & Other Practitioners - by Provider (CMS), 2024 data
Matthew Ryan Greenwood wrote 95 Medicare Part D claims in 2024
In 2024, Matthew Greenwood wrote 95 Medicare Part D claims for 28 patients. 89% of them were for generic drugs. CMS names the drug for 32 of them, across 2 drugs with 11 or more claims each, at $1,357 in total drug cost.
Matthew Greenwood's Part D claims by kind of drug, 2024
- Generic85 claims89%
- Brand-name and other10 claims11%
Matthew Greenwood's most prescribed drugs by claims, 2020
CMS names a drug when it has 11 or more claims. Share is of the claims for drugs CMS names.
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
Matthew Ryan Greenwood scored 100 out of 100 in Medicare's MIPS program for 2024
CMS publishes a Merit-based Incentive Payment System (MIPS) score of 100 out of 100 for Matthew Greenwood for performance year 2024, reported through an alternative payment model (APM). Matthew Greenwood accepts Medicare assignment, so Medicare's approved amount is taken as full payment. CMS lists Matthew Greenwood as offering telehealth.
- Accepts Medicare assignment
- Yes
- Offers telehealth
- Yes
Matthew Greenwood's MIPS scores, performance year 2024
- 100of 100Final score
- 83of 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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Matthew Ryan Greenwood has 3 publications on record
Dmand AI links 3 papers to Matthew Greenwood, published from 2010 to 2024. The most frequent topics are Apoptosis and Cell Survival.
Matthew Greenwood's papers by year, 2010 to 2024
Topics Matthew Greenwood writes about most
- Apoptosis
- Cell Survival
Recent publications by Matthew Greenwood
Biochim Biophys Acta Mol Cell Res
Biochim Biophys Acta
See who Matthew Greenwood researches with
Physician Network Discovery turns co-authorship, shared hospitals and shared groups into a map of who Matthew Greenwood works with, so you can find a warm path to the right internists.
Sources: PubMed (National Library of Medicine); and Dmand AI Research Linkage
Matthew Ryan Greenwood graduated from University of Connecticut School of Medicine
Matthew Greenwood graduated from University of Connecticut School of Medicine in 2019.
- Medical school
Source: Dmand AI Professional Profile Data
Sources for Matthew Ryan Greenwood'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 DataDmand AI Affiliation 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 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) |
| Publications, topics and co-authors | PubMed (National Library of Medicine) (opens in a new tab)Dmand AI Research Linkage |
| 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 Matthew Ryan Greenwood
Spotted something out of date? Email hello@dmand.ai and we will check the record. Contact details live in the free trial.
What is Matthew Ryan Greenwood's NPI number?
Matthew Ryan Greenwood's NPI number is 1649730862. It was assigned on March 22, 2019, and it is active in the NPI Registry.
What does Matthew Ryan Greenwood specialize in?
Matthew Ryan Greenwood is an internist in Mendon, Massachusetts. The primary specialty in the NPI Registry is Internal Medicine Physician (taxonomy code 207R00000X).
Where does Matthew Ryan Greenwood practice?
Matthew Greenwood practices at 55 North Ave, Mendon, MA 01756. Matthew Greenwood's primary practice is Umass Memorial Medical Center in Mendon, Massachusetts. Dmand AI also links Matthew Greenwood to 1 group practice or clinic.
What is Matthew Ryan Greenwood's office phone number?
The practice phone on file for Matthew Greenwood is (508) 334-1000.
What is Matthew Ryan Greenwood's medical license number?
Matthew Greenwood holds Massachusetts license 292411.
Which hospitals is Matthew Ryan Greenwood affiliated with?
Matthew Greenwood is affiliated with UMass Memorial Medical Center - University Campus.
What medical group is Matthew Ryan Greenwood part of?
Matthew Greenwood is linked to UMass Memorial Medical Group.
Does Matthew Ryan Greenwood accept Medicare?
Yes. CMS data shows Matthew Greenwood billed Medicare for 430 services in 2024, and Matthew Greenwood accepts Medicare assignment.
Does Matthew Ryan Greenwood offer telehealth?
Yes. The CMS Doctors and Clinicians file lists Matthew Greenwood as offering telehealth services.
What is Matthew Ryan Greenwood's MIPS score?
Matthew Greenwood's MIPS final score for performance year 2024 is 100 out of 100, reported through an alternative payment model (APM).
Show 6 more questionsShow fewer questions
How many Medicare patients does Matthew Ryan Greenwood see?
CMS counts 155 Medicare patients who saw Matthew Greenwood in 2024, with an average age of 73.
What services does Matthew Ryan Greenwood bill to Medicare?
In 2024, Matthew Greenwood's most billed Medicare services were hospital inpatient care (99233), hospital inpatient care (99232) and hospital inpatient care (99239).
Where did Matthew Ryan Greenwood go to medical school?
Matthew Greenwood graduated from University of Connecticut School of Medicine in 2019.
What drugs does Matthew Ryan Greenwood prescribe most?
In 2020 Medicare Part D data, Matthew Greenwood's most prescribed drugs by claims were Amiodarone HCl and Metoprolol Succinate.
How long has Matthew Ryan Greenwood been practicing?
Matthew Greenwood graduated from medical school in 2019, 7 years ago.
Does Matthew Ryan Greenwood do research?
Dmand AI links 3 publications to Matthew Greenwood, published from 2010 to 2024.
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