Medical emergency?Emergency? Call 911. Nearest emergency roomsNearest ERs

Diagnostic Radiology

Charles A. Saniewski, MD

Works at hospitals in Holmdel, NJ · Neptune, NJ · Edison, NJ · New Jersey

Summary

Dr. Charles A. Saniewski, MD is a radiologist at 1140 Route 72 W, Manahawkin, NJ 08050. Phone: (609) 597-6011. Accepts Medicare assignment. In 2024, Charles A. Saniewski had 2,234 Original Medicare patients and 10,518 services. NPI 1336146877. 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.

From official Medicare data

This page shows what Medicare's official clinician data says about Charles A. Saniewski, 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 Charles A. Saniewski accept Medicare assignment?
Yes. Medicare's clinician data says Charles A. Saniewski 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 Charles A. Saniewski see?
In 2024, CMS data shows 2,234 Original Medicare patients and 10,518 services for Charles A. Saniewski. This counts Original Medicare only and measures volume, not quality.
What is Charles A. Saniewski's NPI number?
1336146877. 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 Charles A. Saniewski, 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 patients2,234
Services billed to Medicare10,518
Different services or procedures161
Participating Medicare providerYes
Average age of these patients75

Most frequent services

  1. Low osmolar contrast material, 300-399 mg/ml iodine concentration, per ml (Q9967)3,808 services
  2. Injection, gadoterate meglumine, 0.1 ml (A9575)3,000 services
  3. X-ray of chest, 1 view (71045)541 services
  4. X-ray of chest, 2 views (71046)372 services
  5. Ct scan head or brain without contrast (70450)229 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%
  • Arthritis58%
  • Diabetes47%
  • Ischemic heart disease47%
  • Anxiety35%

Hospitals where Charles A. Saniewski works

Medicare's Facility Affiliation Data lists Charles A. Saniewski 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.

  • Bayshore Medical CenterHolmdel, NJ · Acute Care Hospital · Medicare rating: 4 of 5 stars · Emergency services: listed by Medicare · CCN 310112
  • Jersey Shore University Medical CenterNeptune, NJ · Acute Care Hospital · Medicare rating: 4 of 5 stars · Emergency services: listed by Medicare · CCN 310073
  • JFK University Medical CenterEdison, NJ · Acute Care Hospital · Medicare rating: 3 of 5 stars · Emergency services: listed by Medicare · CCN 310108

Practice locations

Addresses where Charles A. Saniewski is enrolled with Medicare (CMS data updated October 2, 2026).

Group practices

Medicare enrollment lists Charles A. Saniewski as a member of these groups (CMS data updated October 2, 2026).

  • Coastal Imaging LLC68 clinicians in the group
  • The New Jersey Imaging Network, LLC67 clinicians in the group

Specialties

Find other Diagnostic Radiology doctors in New Jersey →

Other radiologists in Manahawkin

Clinicians with the same Medicare primary specialty in Manahawkin, NJ — not a recommendation.

All radiologists in Manahawkin →

Other clinicians in Coastal Imaging LLC

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

Clinician information

CredentialMD
Graduation year1983 (43 years since medical school)
Gender (as listed)Male
Medicare assignmentAccepts (Medicare-approved amount as full payment)
NPI (National Provider Identifier)1336146877
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