MATTHEW RYAN GREENWOOD
NPI 1649730862
Internal Medicine in Worcester, MA
About Matthew Ryan Greenwood NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
MATTHEW RYAN GREENWOOD (NPI 1649730862) is an individual internal medicine provider in Worcester, Massachusetts, licensed in Massachusetts (292411) and active in the NPI registry since March 2019. He is enrolled in Medicare PECOS, is affiliated with Umass Memorial Medical Center/university Campus, and maintains 2 additional practice locations.
NPPES Registry Identity
Specialties & Licenses
Secondary Practice Locations 2
Medicare Participation & PECOS CMS
Medicare enrollment, assignment, billing reassignment, and ordering and referring status from CMS.
Medicare Enrollment Status
Enrolled in Medicare and accepts Medicare assignment
Matthew Ryan Greenwood is registered in PECOS and agrees to accept the Medicare-approved amount as full payment. Medicare patients are not billed beyond the standard deductible and coinsurance.
Medicare Billing Reassignment
Medicare enrollment records show Matthew Greenwood reassigns Medicare billing to 1 organization. The organization bills Medicare for the services this provider delivers there.
Worcester, MA 01655
- Reassigned Medicare billing, Massachusetts enrollment
- 2,902 clinicians in this Medicare group
Source: CMS Revalidation Reassignment List, October 2026 release. Reassignment records can lag staffing changes; confirm a current affiliation with the organization.
Areas of Expertise CMS Part B claims 4
Services this provider delivered to Medicare fee-for-service patients, from the CMS Medicare utilization data. Higher counts generally reflect more experience with a service; care delivered outside Medicare is not included.
Hospital Affiliations CMS Care Compare
Hospitals where this provider delivers care, identified from recent Medicare claims and place-of-service records.
Umass Memorial Medical Center/University Campus
Acute Care Hospitals · Worcester, MAPhysician Visit Costs CMS claims · ZIP area
Typical Medicare office-visit costs in the 01605 ZIP code area, from fee-for-service claims. These are area statistics, not this provider’s prices; actual charges vary by service and coverage.
Medicare Quality Performance CMS QPP · MIPS
Performance in the CMS Quality Payment Program: the MIPS final score across four weighted categories, and the individual quality measures reported to Medicare.
Other Providers at the Same Location NPPES 20
Providers registered at the same practice address, or within the immediate area, according to the NPPES registry.
WORCESTER, MA 01605
Frequently Asked Questions NPPES & CMS
Common questions about this NPI record, answered from the official NPPES registry and CMS datasets shown on this page.
What is Matthew Greenwood's NPI number?
The NPI number for Matthew Greenwood is 1649730862. It was assigned to this individual provider in the NPPES registry on March 22, 2019.
Where is Matthew Greenwood located?
Matthew Greenwood practices at 119 Belmont St, Worcester, MA 01605. The listed phone number is (508) 334-8515.
What is Matthew Greenwood's specialty?
The primary specialty registered for this NPI is Internal Medicine with taxonomy code 207R00000X.
Is Matthew Greenwood enrolled in Medicare?
Yes. Matthew Greenwood is registered in the Medicare PECOS system and accepts Medicare assignment, which means accepting the Medicare-approved amount as payment in full for covered services.
Which organization bills Medicare for Matthew Greenwood's services?
According to the CMS Revalidation Reassignment List (October 2026 release), Matthew Greenwood reassigns Medicare benefits to Umass Memorial Medical Group Inc (Worcester, MA). The reassignment is filed with Medicare on form CMS-855R, signed by both the clinician and the organization, and lets the organization bill Medicare and receive payment for Matthew Greenwood's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.
Is Matthew Greenwood affiliated with any hospitals?
According to CMS data, Matthew Greenwood is affiliated with Umass Memorial Medical Center/University Campus.
When was this NPI record last updated?
The NPPES record for Matthew Greenwood was last updated on August 31, 2022. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 4 years ago. If this record has changed at CMS more recently, you can request an on-demand re-check against the live CMS registry, directly from this page.
# Matthew Ryan Greenwood · NPI 1649730862
Internal Medicine physician in Worcester, Massachusetts. Individual provider, active in the CMS NPPES registry since March 22, 2019.
## Identity
- **NPI:** 1649730862 (Entity type: Individual)
- **Enumerated:** March 22, 2019
- **Primary specialty:** Internal Medicine · taxonomy 207R00000X
- **State license:** 292411 (Massachusetts)
- **Sole proprietor:** No
## Practice location
- **Address:** 119 BELMONT ST, Worcester, MA 01605-2903
- **Phone:** (508) 334-8515 · **Fax:** (508) 334-6490
## Medicare
- **Medicare:** Enrolled (PECOS); accepts Medicare assignment
- **Ordering & referring:** eligible for Part B labs & imaging, durable medical equipment, home health, power mobility devices
- **Bills Medicare through:** Umass Memorial Medical Group Inc (NPI 1760445373, Worcester, MA), under Medicare reassignment (form CMS-855R) · CMS Revalidation Reassignment List, October 2026 release
- **Medical school:** University Of Connecticut School Of Medicine, class of 2019
## Record status
- **NPPES last updated:** August 31, 2022
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Source: [NPI Profile](https://npiprofile.com/npi/1649730862) · Data from the CMS NPPES public registry.