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Internal Medicine

Shashi R. Raja, MD

Works at hospitals in Morristown, NJ · New Jersey

Summary

Dr. Shashi R. Raja, MD is an internal medicine doctor at 100 Madison Ave, Morristown, NJ 07960. Phone: (973) 971-5596. Accepts Medicare assignment. In 2024, Shashi R. Raja had 615 Original Medicare patients and 1,836 services. NPI 1639102627. 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: Internal medicine doctor (Medicare lists Internal Medicine)
  • Address: 100 Madison Ave, Morristown, NJ 07960 · Directions
  • Phone: (973) 971‑5596
  • Medicare: Accepts Medicare assignment
  • Hospital: Morristown Medical Center
  • Group practice: Practice Associates Medical Group
  • Medical school: graduated 1993 (33 years since medical school)
  • Gender (as listed): Female

From official Medicare data

This page shows what Medicare's official clinician data says about Shashi R. Raja, 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 Shashi R. Raja accept Medicare assignment?
Yes. Medicare's clinician data says Shashi R. Raja 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 Shashi R. Raja see?
In 2024, CMS data shows 615 Original Medicare patients and 1,836 services for Shashi R. Raja. This counts Original Medicare only and measures volume, not quality.
What is Shashi R. Raja's NPI number?
1639102627. 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 Shashi R. Raja, 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 patients615
Services billed to Medicare1,836
Different services or procedures11
Participating Medicare providerYes
Average age of these patients80

Most frequent services

  1. Subsequent hospital care with moderate levelof medical decision making, if using time, at least 50 minutes (99233)989 services
  2. Subsequent hospital care with moderate levelof medical decision making, if using time, at least 35 minutes (99232)424 services
  3. Hospital discharge day management, more than 30 minutes (99239)332 services
  4. Advance care planning, first 30 minutes (99497)36 services
  5. Initial hospital care with moderate level of medical decision making, if using time, at least 75 minutes (99223)30 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%
  • Ischemic heart disease71%
  • Heart failure68%
  • Chronic kidney disease62%
  • Atrial fibrillation62%

Hospitals where Shashi R. Raja works

Medicare's Facility Affiliation Data lists Shashi R. Raja 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.

  • Morristown Medical CenterMorristown, NJ · Acute Care Hospital · Medicare rating: 5 of 5 stars · Emergency services: listed by Medicare · CCN 310015

Practice locations

Addresses where Shashi R. Raja is enrolled with Medicare (CMS data updated October 2, 2026).

Group practices

Medicare enrollment lists Shashi R. Raja as a member of this group (CMS data updated October 2, 2026).

  • Practice Associates Medical Group1,408 clinicians in the group

Specialties

Find other Internal Medicine doctors in New Jersey →

Other internal medicine doctors in Morristown

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

All internal medicine doctors in Morristown →

Other clinicians in Practice Associates Medical Group

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

Clinician information

CredentialMD
Graduation year1993 (33 years since medical school)
Gender (as listed)Female
Medicare assignmentAccepts (Medicare-approved amount as full payment)
NPI (National Provider Identifier)1639102627
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