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

Internal Medicine

Aishwarya Vishwanath, MD

Works at hospitals in Boston, MA · Newton, MA · Salem, MA · Massachusetts

Summary

Dr. Aishwarya Vishwanath, MD is an internal medicine doctor at 55 Fruit St, Boston, MA 02114. Phone: (617) 724-0287. Accepts Medicare assignment. In 2024, Aishwarya Vishwanath had 281 Original Medicare patients and 1,048 services. NPI 1841812740. 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 Aishwarya Vishwanath, 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 Aishwarya Vishwanath accept Medicare assignment?
Yes. Medicare's clinician data says Aishwarya Vishwanath 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 Aishwarya Vishwanath see?
In 2024, CMS data shows 281 Original Medicare patients and 1,048 services for Aishwarya Vishwanath. This counts Original Medicare only and measures volume, not quality.
What is Aishwarya Vishwanath's NPI number?
1841812740. 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 Aishwarya Vishwanath, 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 patients281
Services billed to Medicare1,048
Different services or procedures24
Participating Medicare providerYes
Average age of these patients76

Most frequent services

  1. Established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more (99214)266 services
  2. Insertion of needle into vein for collection of blood sample (36415)248 services
  3. Annual wellness visit, includes a personalized prevention plan of service (pps), subsequent visit (G0439)129 services
  4. Established patient office or other outpatient visit with high level of medical decision making, if using time, 40 minutes or more (99215)115 services
  5. Established patient office or other outpatient visit with low level od decision making, if using time, 20 minutes or more (99213)112 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 cholesterol69%
  • High blood pressure63%
  • Arthritis49%
  • Ischemic heart disease31%
  • Osteoporosis27%
  • Anxiety24%

Hospitals where Aishwarya Vishwanath works

Medicare's Facility Affiliation Data lists Aishwarya Vishwanath 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 Aishwarya Vishwanath is enrolled with Medicare (CMS data updated October 2, 2026).

Group practices

Medicare enrollment lists Aishwarya Vishwanath as a member of this group (CMS data updated October 2, 2026).

  • Massachusetts General Physicians Organization Inc3,558 clinicians in the group

Specialties

Find other Internal Medicine doctors in Massachusetts →

Other internal medicine doctors in Boston

Clinicians with the same Medicare primary specialty in Boston, MA — not a recommendation.

All internal medicine doctors in Boston →

Other clinicians in Massachusetts General Physicians Organization Inc

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

Clinician information

CredentialMD
Medical schoolUniversity Of Texas Southwestern Medical School At Dallas
Graduation year2020 (6 years since medical school)
Gender (as listed)Female
Medicare assignmentAccepts (Medicare-approved amount as full payment)
TelehealthOffers telehealth services
NPI (National Provider Identifier)1841812740
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