MATTHEW MASSARO DO
NPI 1710069943
Hospitalist in Dover, DE
About Matthew Massaro Do NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
MATTHEW MASSARO DO (NPI 1710069943) is an individual hospitalist provider in Dover, Delaware, licensed in Delaware (C2-0013015) and active in the NPI registry since October 2006. He is enrolled in Medicare PECOS and is a graduate of Philadelphia College Of Osteopathic Medicine (2003).
NPPES Registry Identity
Specialties & Licenses 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 Massaro Do 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 Reassignments
3Medicare enrollment records show Matthew Massaro reassigns Medicare billing to 3 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.
Dover, DE 19901
- Reassigned Medicare billing, Delaware enrollment
- 166 clinicians in this Medicare group
Dover, DE 19901
- Reassigned Medicare billing, Delaware enrollment
- 84 clinicians in this Medicare group
Altoona, PA 16601
- Reassigned Medicare billing, Pennsylvania enrollment
- 291 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 7
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.
Physician Visit Costs CMS claims · ZIP area
Typical Medicare office-visit costs in the 19901 ZIP code area, from fee-for-service claims. These are area statistics, not this provider’s prices; actual charges vary by service and coverage.
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.
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 Massaro's NPI number?
The NPI number for Matthew Massaro is 1710069943. It was assigned to this individual provider in the NPPES registry on October 19, 2006.
Where is Matthew Massaro located?
Matthew Massaro practices at 640 S State St, Dover, DE 19901. The listed phone number is (302) 744-7581.
What is Matthew Massaro's specialty?
The primary specialty registered for this NPI is Hospitalist with taxonomy code 208M00000X.
Is Matthew Massaro enrolled in Medicare?
Yes. Matthew Massaro 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 organizations bill Medicare for Matthew Massaro's services?
According to the CMS Revalidation Reassignment List (October 2026 release), Matthew Massaro reassigns Medicare benefits to 3 organizations: Apogee Medical Group, Delaware, Inc (Dover, DE), Bayhealth Medical Center, Inc. (Dover, DE) and Upmc Altoona (Altoona, PA). Each 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 Massaro's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.
When was this NPI record last updated?
The NPPES record for Matthew Massaro was last updated on July 5, 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 Massaro, DO · NPI 1710069943
Hospitalist physician in Dover, Delaware. Individual provider, active in the CMS NPPES registry since October 19, 2006.
## Identity
- **NPI:** 1710069943 (Entity type: Individual)
- **Enumerated:** October 19, 2006
- **Primary specialty:** Hospitalist · taxonomy 208M00000X
- **State license:** C2-0013015 (Delaware)
- **Sole proprietor:** Yes
## Practice location
- **Address:** 640 S STATE ST, Dover, DE 19901-3530
- **Phone:** (302) 744-7581 · **Fax:** (302) 744-7332
## 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:** 3 organizations under Medicare reassignment (form CMS-855R): Apogee Medical Group, Delaware, Inc (NPI 1326485285, Dover, DE); Bayhealth Medical Center, Inc. (NPI 1679072144, Dover, DE); Upmc Altoona (NPI 1497831655, Altoona, PA) · CMS Revalidation Reassignment List, October 2026 release
- **Medical school:** Philadelphia College Of Osteopathic Medicine, class of 2003
## Record status
- **NPPES last updated:** July 5, 2022
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Source: [NPI Profile](https://npiprofile.com/npi/1710069943) · Data from the CMS NPPES public registry.