NPPES file of Aug 9, 2026

Sarah Phyllis Mattessich, MD

Radiation Oncology Physician · Albany, NY

Sarah Phyllis Mattessich, MD is a radiation oncology physician with a practice address in Albany, New York, and NPI 1881251486, issued on May 20, 2019. Check the license (New York 329460, as entered in NPPES) on the NYS Education Department, Office of the Professions; the Medicare figures below come from public CMS files.

Record from CMS NPPES, file of Aug 9, 2026 · Medicare files 2024 · method · Verify with CMS →

NPPES recordNPPES file of Aug 9, 2026
1881251486
Name
Sarah Phyllis Mattessich
Credential
MD
Primary taxonomy
Radiation Oncology Physician 2085R0001X
License number
329460 NY
Self-reported in NPPES; status is on the state search
Practice location
317 S Manning Blvd Ste 100, Albany, NY 12208
Phone
(518) 525-1404
Enumerated
May 20, 2019
Record last updated
Sep 26, 2024
Medicare enrollment
Enrolled (PECOS I20240731000786); accepts Medicare assignment
Medical or professional school
University Of Connecticut School Of Medicine, 2019
Entity
Type 1 · individual
Public record from CMS NPPES (open it on the CMS NPI Registry). Enrollment, assignment, school and telehealth: CMS Doctors and Clinicians file, Aug 2026. A record is not a license: verify it with the state board.
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Also registered at 317 S Manning Blvd Ste 100

A shared address usually means a shared clinic or building; it does not show who employs whom.

  1. Kyle Denniston, M.D.Radiation Oncology Physician1740501394
  2. Alexander Garcia, M.D.Radiation Oncology Physician1841648995

Verify Sarah Phyllis Mattessich in five checks

  1. 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
  2. 2LicenseActive license and public ordersNYS Education Department, Office of the Professions
    Search for license 329460
    Check the board
  3. 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
  4. 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
  5. 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
Open the New York license search

PlainDoctor does not match the HHS-OIG exclusion list to individual records: most entries carry no NPI. Search the OIG exclusion list by name.

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87% fewer Medicare Part D claims than the average radiation oncology physician in 2024

18 Medicare Part D claims for 15 beneficiaries, against an average of 134 among the 4,851 providers of this specialty who prescribed in Part D.

  1. Sarah Mattessich18
  2. Specialty average134

Source: CMS Medicare Part D Prescribers by Provider and Drug, 2024 (data.cms.gov). Part D covers prescriptions for Medicare patients only; drugs with fewer than 11 claims are not published.

Bills Medicare through one group practice

  1. St. Peter's Health Partners Medical Associates, P.C.Albany, NY

Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).

Sarah Phyllis Mattessich among 449 radiation oncology physician records in New York

Sarah Phyllis Mattessich, MD is one of 449 radiation oncology physician records with a practice address in New York. 83% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2019, is newer than 89% of them.

  • NPI issued2019 · 89% of these records are older, 8% newer
  • In a Medicare fileYes · 83% of these records are
  • In the CMS Doctors and Clinicians fileYes · 74% of these records are
  • Graduated2019 · median 2005 among the 331 with a school on file
  • Record last updated2024 · 59% of these records were not updated in five years or more

Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 2085R0001X and a New York practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).

Radiation Oncology Physician providers in New York

There are 449 radiation oncology physician records in New York.

The 8 radiation oncology physician records with the nearest ZIP codes

  1. Khaled Adil, MDAlbany, NY 122081669944237
  2. Robert Belgam, M.D.Albany, NY 122081003844416
  3. Anurag Chandra, M.D.Albany, NY 122081093716870
  4. Kyle Denniston, M.D.Albany, NY 122081740501394
  5. Alexander Garcia, M.D.Albany, NY 122081841648995
  6. Christian Gasson, MDAlbany, NY 122081376603159
  7. Susan Gibbons, MDAlbany, NY 122081720089444
  8. Duncan Savage, MDAlbany, NY 122081528069549

Common questions

What is Sarah Phyllis Mattessich, MD's NPI number?

Sarah Phyllis Mattessich, MD's National Provider Identifier (NPI) is 1881251486, issued on May 20, 2019. An NPI identifies a provider in billing; it is not a license.

Where is Sarah Phyllis Mattessich, MD located?

The NPPES record lists a practice address at 317 S Manning Blvd Ste 100, Albany, NY, 12208. Phone: (518) 525-1404. Providers update this record themselves, so call before visiting.

How can I verify Sarah Phyllis Mattessich, MD's license?

NPPES lists New York license number 329460, as entered by the provider. Search the NYS Education Department, Office of the Professions at https://www.op.nysed.gov/services/verifications/online-verification-searches. The NPPES record confirms identity only; the state search shows license status, expiration and public orders.

How much does Sarah Phyllis Mattessich, MD prescribe under Medicare Part D?

In 2024, Sarah Phyllis Mattessich, MD had 18 Medicare Part D claims for 15 beneficiaries; the average among radiation oncology physician prescribers was 134. Part D covers Medicare prescriptions only.

Source: CMS National Plan and Provider Enumeration System (NPPES), file of Aug 9, 2026 (NPPES files on CMS.gov); NUCC Health Care Provider Taxonomy. Medicare files from data.cms.gov. An NPI identifies who bills; it is not a license.

Figures on PlainDoctor are read from the federal files each page names (CMS NPPES, Medicare Part D, MIPS, Open Payments; the HHS-OIG exclusion list only as counts) and from Census population estimates, with the file date shown beside them. See our editorial standards & corrections policy, the methodology behind these numbers, or report a data error. Data current as of Aug 9, 2026.