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Diagnostic Radiology

Seth O. Mankes, MD

Works at hospitals in Stony Brook, NY · New York

Summary

Dr. Seth O. Mankes, MD is a radiologist at 100 Nicolls Rd, Stony Brook, NY 11794. Phone: (631) 638-2121. Accepts Medicare assignment. In 2024, Seth O. Mankes had 819 Original Medicare patients and 19,757 services. NPI 1942236021. Source: CMS National Downloadable File, updated October 2, 2026; CMS Facility Affiliation Data, updated October 2, 2026; CMS Medicare Physician & Other Practitioners, data year 2024.

  • Specialty: Radiologist (Medicare lists Diagnostic Radiology)
  • Address: 100 Nicolls Rd, Stony Brook, NY 11794 · Directions (2 more locations)
  • Phone: (631) 638‑2121
  • Medicare: Accepts Medicare assignment
  • Hospital: Suny/Stony Brook University Hospital
  • Group practice: Stony Brook Radiology, University Faculty Practice Corporation
  • Medical school: New York University School Of Medicine · graduated 1976 (50 years since medical school)
  • Gender (as listed): Male

From official Medicare data

This page shows what Medicare's official clinician data says about Seth O. Mankes, joined by NPI number (data updated October 2, 2026). It is not a recommendation or a rating. Call the office or hospital to confirm before you go.

In a medical emergency, call 911.

Quick answers

Does Seth O. Mankes accept Medicare assignment?
Yes. Medicare's clinician data says Seth O. Mankes accepts Medicare assignment (the Medicare-approved amount as full payment for covered services), as of October 2, 2026. Ask the office to confirm before your visit.
How many Medicare patients does Seth O. Mankes see?
In 2024, CMS data shows 819 Original Medicare patients and 19,757 services for Seth O. Mankes. This counts Original Medicare only and measures volume, not quality.
What is Seth O. Mankes's NPI number?
1942236021. The NPI (National Provider Identifier) is the clinician's permanent federal ID; you can look it up in the official NPI Registry.

Medicare activity in 2024

Official CMS public-use data for Seth O. Mankes, data year 2024 (released May 21, 2026). It covers Original Medicare (fee-for-service) patients only, not Medicare Advantage or other insurance. It shows volume, not quality or outcomes. CMS hides any count of 10 or fewer patients.

Original Medicare patients819
Services billed to Medicare19,757
Different services or procedures55
Participating Medicare providerYes
Average age of these patients75

Most frequent services

  1. Injection, gadobutrol, 0.1 ml (A9585)12,950 services
  2. Low osmolar contrast material, 300-399 mg/ml iodine concentration, per ml (Q9967)5,629 services
  3. Ct scan of abdomen and pelvis without contrast (74176)182 services
  4. Ct scan of abdomen and pelvis with contrast (74177)151 services
  5. Mri scan of pelvis before and after contrast (72197)134 services

Chronic conditions among these patients

Share of this clinician’s Original Medicare patients with each condition, as published by CMS (it describes the patients, not the care given).

  • High blood pressure75%
  • High cholesterol75%
  • Arthritis53%
  • Ischemic heart disease51%
  • Diabetes43%
  • Chronic kidney disease38%

Hospitals where Seth O. Mankes works

Medicare's Facility Affiliation Data lists Seth O. Mankes at these hospitals (updated October 2, 2026). Each hospital page shows its address, phone, emergency services, Medicare rating and all its clinicians. Star rating and emergency services: Hospital General Information (CMS), data updated October 26, 2026.

Practice locations

Addresses where Seth O. Mankes is enrolled with Medicare (CMS data updated October 2, 2026).

Group practices

Medicare enrollment lists Seth O. Mankes as a member of this group (CMS data updated October 2, 2026).

  • Stony Brook Radiology, University Faculty Practice Corporation59 clinicians in the group

Specialties

Find other Diagnostic Radiology doctors in New York →

Other radiologists in Stony Brook

Clinicians with the same Medicare primary specialty in Stony Brook, NY — not a recommendation.

All radiologists in Stony Brook →

Other clinicians in Stony Brook Radiology, University Faculty Practice Corporation

Medicare enrollment lists these clinicians in the same group practice — not a recommendation.

Clinician information

CredentialMD
Medical schoolNew York University School Of Medicine
Graduation year1976 (50 years since medical school)
Gender (as listed)Male
Medicare assignmentAccepts (Medicare-approved amount as full payment)
NPI (National Provider Identifier)1942236021
CorrectionsReport an error or suggest an update →

Most corrections must be made at the source: clinicians update their NPI Registry record (NPPES) and their Medicare enrollment (PECOS); this page follows the next data release.

Sources

  1. Facility Affiliation Data — Centers for Medicare & Medicaid Services (CMS), data updated October 2, 2026, retrieved October 29, 2026
  2. Hospital General Information — CMS, data updated October 26, 2026, retrieved November 13, 2026
  3. National Downloadable File (Doctors and Clinicians) — CMS, data updated October 2, 2026, retrieved October 29, 2026
  4. Medicare Physician & Other Practitioners - by Provider — CMS, data year 2024, released May 21, 2026; Medicare Physician & Other Practitioners - by Provider and Service
  5. NPI Registry — U.S. Department of Health and Human Services (NPPES), the clinician’s official record
  6. Medicare Care Compare — official Medicare tool to look up clinicians