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Geriatric Medicine

Rani I. Gundavarapu, MD

Works at hospitals in Morristown, NJ · Summit, NJ · New Jersey

Summary

Dr. Rani I. Gundavarapu, MD is a geriatrician at 100 Madison Ave, Morristown, NJ 07960. Phone: (973) 971-5596. Accepts Medicare assignment. In 2024, Rani I. Gundavarapu had 241 Original Medicare patients and 519 services. NPI 1164755294. 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: Geriatrician (Medicare lists Geriatric Medicine)
  • Address: 100 Madison Ave, Morristown, NJ 07960 · Directions (2 more locations)
  • Phone: (973) 971‑5596
  • Medicare: Accepts Medicare assignment
  • Hospitals: Morristown Medical Center, Overlook Medical Center
  • Group practice: Practice Associates Medical Group
  • Medical school: graduated 2000 (26 years since medical school)
  • Gender (as listed): Female

From official Medicare data

This page shows what Medicare's official clinician data says about Rani I. Gundavarapu, 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 Rani I. Gundavarapu accept Medicare assignment?
Yes. Medicare's clinician data says Rani I. Gundavarapu 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 Rani I. Gundavarapu see?
In 2024, CMS data shows 241 Original Medicare patients and 519 services for Rani I. Gundavarapu. This counts Original Medicare only and measures volume, not quality.
What is Rani I. Gundavarapu's NPI number?
1164755294. 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 Rani I. Gundavarapu, 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 patients241
Services billed to Medicare519
Different services or procedures24
Participating Medicare providerYes
Average age of these patients77

Most frequent services

  1. Subsequent hospital care with moderate levelof medical decision making, if using time, at least 35 minutes (99232)252 services
  2. Hospital discharge day management, 30 minutes or less (99238)52 services
  3. New patient office or other outpatient visit with moderate level of medical decision making, if using time, 45 minutes or more (99204)39 services
  4. Initial hospital care with moderate level of medical decision making, if using time, at least 75 minutes (99223)36 services
  5. Initial hospital care with straightforward or low-level medical decision making, if using time, at least 55 minutes (99222)29 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%
  • Arthritis57%
  • Diabetes46%
  • Ischemic heart disease40%
  • Depression33%

Hospitals where Rani I. Gundavarapu works

Medicare's Facility Affiliation Data lists Rani I. Gundavarapu 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
  • Overlook Medical CenterSummit, NJ · Acute Care Hospital · Medicare rating: 5 of 5 stars · Emergency services: listed by Medicare · CCN 310051

Practice locations

Addresses where Rani I. Gundavarapu is enrolled with Medicare (CMS data updated October 2, 2026).

Group practices

Medicare enrollment lists Rani I. Gundavarapu as a member of this group (CMS data updated October 2, 2026).

  • Practice Associates Medical Group1,408 clinicians in the group

Specialties

Find other Geriatric Medicine doctors in New Jersey →

Other geriatricians in Morristown

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

All geriatricians 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 year2000 (26 years since medical school)
Gender (as listed)Female
Medicare assignmentAccepts (Medicare-approved amount as full payment)
NPI (National Provider Identifier)1164755294
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