STEPHANIE DITOMMASO CNP
NPI 1942848551
Nurse Practitioner in Worcester, MA
About Stephanie Ditommaso Cnp NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
STEPHANIE DITOMMASO CNP (NPI 1942848551) is an individual nurse practitioner in Worcester, Massachusetts, licensed in Massachusetts (RN2319783) and active in the NPI registry since December 2019. She is enrolled in Medicare PECOS, is affiliated with Umass Memorial Medical Center/university Campus, and maintains 4 additional practice locations.
NPPES Registry Identity
Specialties & Licenses 2
Secondary Practice Locations 4
Other Identifiers 1
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
Stephanie Ditommaso Cnp 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 Stephanie Ditommaso 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 2
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 01655 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.
Referred Medical Equipment & Supplies CMS DME claims 2
Durable medical equipment, devices and supplies this provider ordered from DME suppliers for patients, from Medicare fee-for-service claims.
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 01655
WORCESTER, MA 01655
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 Stephanie Ditommaso's NPI number?
The NPI number for Stephanie Ditommaso is 1942848551. It was assigned to this individual provider in the NPPES registry on December 13, 2019.
Where is Stephanie Ditommaso located?
Stephanie Ditommaso practices at 55 Lake Ave N, Worcester, MA 01655. The listed phone number is (508) 421-1400.
What is Stephanie Ditommaso's specialty?
The primary specialty registered for this NPI is Nurse Practitioner with taxonomy code 363L00000X.
Is Stephanie Ditommaso enrolled in Medicare?
Yes. Stephanie Ditommaso 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 Stephanie Ditommaso's services?
According to the CMS Revalidation Reassignment List (October 2026 release), Stephanie Ditommaso 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 Stephanie Ditommaso's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.
Is Stephanie Ditommaso affiliated with any hospitals?
According to CMS data, Stephanie Ditommaso is affiliated with Umass Memorial Medical Center/University Campus.
When was this NPI record last updated?
The NPPES record for Stephanie Ditommaso was last updated on November 14, 2020. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 5 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.
# Stephanie Ditommaso, CNP · NPI 1942848551
Nurse Practitioner physician in Worcester, Massachusetts. Individual provider, active in the CMS NPPES registry since December 13, 2019.
## Identity
- **NPI:** 1942848551 (Entity type: Individual)
- **Enumerated:** December 13, 2019
- **Primary specialty:** Nurse Practitioner · taxonomy 363L00000X
- **State license:** RN2319783 (Massachusetts)
- **Sole proprietor:** No
## Practice location
- **Address:** 55 LAKE AVE N, Worcester, MA 01655-0002
- **Phone:** (508) 421-1400 · **Fax:** (508) 421-1490
## 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:** Other, class of 2019
## Record status
- **NPPES last updated:** November 14, 2020
- **Other identifiers:** Medicaid 110159612A (MA)
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Source: [NPI Profile](https://npiprofile.com/npi/1942848551) · Data from the CMS NPPES public registry.