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Critical Care (Intensivists)

Sivashankar Sivaraman, MD

Works at hospitals in Atlantic City, NJ · Manahawkin, NJ · New Jersey

Summary

Dr. Sivashankar Sivaraman, MD is a critical care doctor at 1401 Atlantic Ave, Suite 1125, Atlantic City, NJ 08401. Phone: (609) 572-8555. Accepts Medicare assignment. In 2024, Sivashankar Sivaraman had 492 Original Medicare patients and 1,141 services. NPI 1922259514. 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 Sivashankar Sivaraman, 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 Sivashankar Sivaraman accept Medicare assignment?
Yes. Medicare's clinician data says Sivashankar Sivaraman 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 Sivashankar Sivaraman see?
In 2024, CMS data shows 492 Original Medicare patients and 1,141 services for Sivashankar Sivaraman. This counts Original Medicare only and measures volume, not quality.
What is Sivashankar Sivaraman's NPI number?
1922259514. 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 Sivashankar Sivaraman, 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 patients492
Services billed to Medicare1,141
Different services or procedures29
Participating Medicare providerYes
Average age of these patients74

Most frequent services

  1. Established patient office or other outpatient visit with low level od decision making, if using time, 20 minutes or more (99213)179 services
  2. Established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more (99214)158 services
  3. Initial hospital care with moderate level of medical decision making, if using time, at least 75 minutes (99223)150 services
  4. Subsequent hospital care with moderate levelof medical decision making, if using time, at least 50 minutes (99233)96 services
  5. Subsequent hospital care with moderate levelof medical decision making, if using time, at least 35 minutes (99232)83 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%
  • COPD60%
  • Ischemic heart disease59%
  • Heart failure51%
  • Diabetes46%

Hospitals where Sivashankar Sivaraman works

Medicare's Facility Affiliation Data lists Sivashankar Sivaraman 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 Sivashankar Sivaraman is enrolled with Medicare (CMS data updated October 2, 2026). The first 5 of 6; the Medicare profile lists all.

Group practices

Medicare enrollment lists Sivashankar Sivaraman as a member of these groups (CMS data updated October 2, 2026).

  • Atlanticare Physician Group PA511 clinicians in the group
  • Atlanticare Health Services, Inc.54 clinicians in the group

Specialties

Find other Critical Care (Intensivists) doctors in New Jersey →

Other critical care doctors in Atlantic City

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

All critical care doctors in Atlantic City →

Other clinicians in Atlanticare Physician Group PA

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

Clinician information

CredentialMD
Graduation year2002 (24 years since medical school)
Gender (as listed)Male
Medicare assignmentAccepts (Medicare-approved amount as full payment)
TelehealthOffers telehealth services
NPI (National Provider Identifier)1922259514
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