DR. MATTHEW MASS DO
NPI 1780244061
Emergency Medicine in York, PA
About Dr. Matthew Mass Do NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
DR. MATTHEW MASS DO (NPI 1780244061) is an individual emergency medicine provider in York, Pennsylvania, licensed in Pennsylvania (OT019498) and active in the NPI registry since June 2019. He is enrolled in Medicare PECOS and is a graduate of Midwestern University, Chicago College Of Osteopathic Med (2019).
NPPES Registry Identity
Specialties & Licenses
Accepted Insurance
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
Dr. Matthew Mass 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 Mass reassigns Medicare billing to 3 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.
Pittsburgh, PA 15235
- Reassigned Medicare billing, Pennsylvania enrollment
- 7,114 clinicians in this Medicare group
Mesa, AZ 85202
- Reassigned Medicare billing, Arizona enrollment
- 174 clinicians in this Medicare group
Glendale, AZ 85306
- Reassigned Medicare billing, Arizona enrollment
- 93 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 3
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 17403 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.
YORK, PA 17403
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 Mass's NPI number?
The NPI number for Matthew Mass is 1780244061. It was assigned to this individual provider in the NPPES registry on June 18, 2019.
Where is Matthew Mass located?
Matthew Mass practices at 1001 S George St, York, PA 17403. The listed phone number is (717) 851-2311.
What is Matthew Mass's specialty?
The primary specialty registered for this NPI is Emergency Medicine with taxonomy code 207P00000X.
Is Matthew Mass enrolled in Medicare?
Yes. Matthew Mass 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 Mass's services?
According to the CMS Revalidation Reassignment List (October 2026 release), Matthew Mass reassigns Medicare benefits to 3 organizations: University Of Pittsburgh Physicians (Pittsburgh, PA), Cep America - Arizona PC (Mesa, AZ) and North Valley Emergency Specialists (Glendale, AZ). 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 Mass's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.
What insurance does Matthew Mass accept?
Health plans from Blue Cross Blue Shield of Arizona list Matthew Mass as in-network in at least one marketplace plan. Coverage varies by plan and year; verify with the insurer or the provider before a visit.
When was this NPI record last updated?
The NPPES record for Matthew Mass was last updated on January 30, 2025. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 21 months 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.
# Dr. Matthew Mass, DO · NPI 1780244061
Emergency Medicine physician in York, Pennsylvania. Individual provider, active in the CMS NPPES registry since June 18, 2019.
## Identity
- **NPI:** 1780244061 (Entity type: Individual)
- **Enumerated:** June 18, 2019
- **Primary specialty:** Emergency Medicine · taxonomy 207P00000X
- **State license:** OT019498 (Pennsylvania)
- **Sole proprietor:** No
## Practice location
- **Address:** 1001 S GEORGE ST, York, PA 17403-3676
- **Phone:** (717) 851-2311
## 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): University Of Pittsburgh Physicians (NPI 1407985674, Pittsburgh, PA); Cep America - Arizona PC (NPI 1356021190, Mesa, AZ); North Valley Emergency Specialists (NPI 1285655209, Glendale, AZ) · CMS Revalidation Reassignment List, October 2026 release
- **Medical school:** Midwestern University, Chicago College Of Osteopathic Med, class of 2019
## Record status
- **NPPES last updated:** January 30, 2025
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Source: [NPI Profile](https://npiprofile.com/npi/1780244061) · Data from the CMS NPPES public registry.