ALLISON H SACHER M.D.
NPI 1679510879
Radiology - Radiation Oncology in Marlborough, MA
About Allison H Sacher M.d. NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
ALLISON H SACHER M.D. (NPI 1679510879) is an individual radiation oncology provider in Marlborough, Massachusetts, licensed in Massachusetts (219557) and active in the NPI registry since May 2006. She is enrolled in Medicare PECOS, is affiliated with Umass Memorial Medical Center/university Campus, and maintains 3 additional practice locations.
NPPES Registry Identity
Specialties & Licenses
Secondary Practice Locations 3
Other Identifiers 1
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
Allison H Sacher M.d. 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 Allison Sacher 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 20
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 01752 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.
MARLBOROUGH, MA 01752
MARLBOROUGH, MA 01752
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 Allison Sacher's NPI number?
The NPI number for Allison Sacher is 1679510879. It was assigned to this individual provider in the NPPES registry on May 31, 2006.
Where is Allison Sacher located?
Allison Sacher practices at 157 Union St, Marlborough, MA 01752. The listed phone number is (508) 481-5000.
What is Allison Sacher's specialty?
The primary specialty registered for this NPI is Radiology, specializing in Radiation Oncology, with taxonomy code 2085R0001X.
Is Allison Sacher enrolled in Medicare?
Yes. Allison Sacher 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 Allison Sacher's services?
According to the CMS Revalidation Reassignment List (October 2026 release), Allison Sacher 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 Allison Sacher's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.
What insurance does Allison Sacher accept?
Health plans from Anthem Blue Cross and Blue Shield and Taro Health list Allison Sacher 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.
Is Allison Sacher affiliated with any hospitals?
According to CMS data, Allison Sacher is affiliated with Umass Memorial Medical Center/University Campus.
When was this NPI record last updated?
The NPPES record for Allison Sacher was last updated on November 16, 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.
# Allison H Sacher, M.D. · NPI 1679510879
Radiation Oncology physician in Marlborough, Massachusetts. Individual provider, active in the CMS NPPES registry since May 31, 2006.
## Identity
- **NPI:** 1679510879 (Entity type: Individual)
- **Enumerated:** May 31, 2006
- **Primary specialty:** Radiology - Radiation Oncology · taxonomy 2085R0001X
- **State license:** 219557 (Massachusetts)
- **Sole proprietor:** No
## Practice location
- **Address:** 157 UNION ST, Marlborough, MA 01752-1228
- **Phone:** (508) 481-5000
## 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:** Icahn School Of Medicine At Mount Sinai, class of 1994
## Record status
- **NPPES last updated:** November 16, 2020
- **Other identifiers:** Medicaid 110039272A (MA)
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Source: [NPI Profile](https://npiprofile.com/npi/1679510879) · Data from the CMS NPPES public registry.