SARAH PHYLLIS MATTESSICH MD
NPI 1881251486
Radiology - Radiation Oncology in Albany, NY
About Sarah Phyllis Mattessich Md NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
SARAH PHYLLIS MATTESSICH MD (NPI 1881251486) is an individual radiation oncology provider in Albany, New York, licensed in New York (329460) and active in the NPI registry since May 2019. She is enrolled in Medicare PECOS, is affiliated with St Peter's Hospital, and maintains a secondary practice location in Troy.
NPPES Registry Identity
Specialties & Licenses
Secondary Practice Location 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
Sarah Phyllis Mattessich Md 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 Sarah Mattessich reassigns Medicare billing to 1 organization. The organization bills Medicare for the services this provider delivers there.
Albany, NY 12208
- Reassigned Medicare billing, New York enrollment
- 742 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
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 2
Hospitals where this provider delivers care, identified from recent Medicare claims and place-of-service records.
St Peter's Hospital
Acute Care Hospitals · Albany, NYSamaritan Hospital Of Troy, New York
Acute Care Hospitals · Troy, NYPhysician Visit Costs CMS claims · ZIP area
Typical Medicare office-visit costs in the 12208 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 2
Providers registered at the same practice address, or within the immediate area, according to the NPPES registry.
ALBANY, NY 12208
ALBANY, NY 12208
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 Sarah Mattessich's NPI number?
The NPI number for Sarah Mattessich is 1881251486. It was assigned to this individual provider in the NPPES registry on May 20, 2019.
Where is Sarah Mattessich located?
Sarah Mattessich practices at 317 S Manning Blvd Ste 100, Albany, NY 12208. The listed phone number is (518) 525-1404.
What is Sarah Mattessich's specialty?
The primary specialty registered for this NPI is Radiology, specializing in Radiation Oncology, with taxonomy code 2085R0001X.
Is Sarah Mattessich enrolled in Medicare?
Yes. Sarah Mattessich 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 Sarah Mattessich's services?
According to the CMS Revalidation Reassignment List (October 2026 release), Sarah Mattessich reassigns Medicare benefits to St. Peter's Health Partners Medical Associates, P.C. (Albany, NY). 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 Sarah Mattessich's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.
Is Sarah Mattessich affiliated with any hospitals?
According to CMS data, Sarah Mattessich is affiliated with St Peter's Hospital and Samaritan Hospital Of Troy, New York.
When was this NPI record last updated?
The NPPES record for Sarah Mattessich was last updated on September 26, 2024. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 2 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.
# Sarah Phyllis Mattessich, MD · NPI 1881251486
Radiation Oncology physician in Albany, New York. Individual provider, active in the CMS NPPES registry since May 20, 2019.
## Identity
- **NPI:** 1881251486 (Entity type: Individual)
- **Enumerated:** May 20, 2019
- **Primary specialty:** Radiology - Radiation Oncology · taxonomy 2085R0001X
- **State license:** 329460 (New York)
- **Sole proprietor:** No
## Practice location
- **Address:** 317 S MANNING BLVD STE 100, Albany, NY 12208-3917
- **Phone:** (518) 525-1404
## 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:** St. Peter's Health Partners Medical Associates, P.C. (NPI 1174954606, Albany, NY), 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:** September 26, 2024
---
Source: [NPI Profile](https://npiprofile.com/npi/1881251486) · Data from the CMS NPPES public registry.