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Nephrology

Vrinda Mahajan, MD

Works at hospitals in Rockville, MD · Germantown, MD · Silver Spring, MD … · Maryland

Summary

Dr. Vrinda Mahajan, MD is a nephrologist at 3941 Ferrara Dr, Silver Spring, MD 20906. Phone: (301) 942-5355. Accepts Medicare assignment. In 2024, Vrinda Mahajan had 430 Original Medicare patients and 1,829 services. NPI 1790997724. 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 Vrinda Mahajan, 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 Vrinda Mahajan accept Medicare assignment?
Yes. Medicare's clinician data says Vrinda Mahajan 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 Vrinda Mahajan see?
In 2024, CMS data shows 430 Original Medicare patients and 1,829 services for Vrinda Mahajan. This counts Original Medicare only and measures volume, not quality.
What is Vrinda Mahajan's NPI number?
1790997724. 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 Vrinda Mahajan, 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 patients430
Services billed to Medicare1,829
Different services or procedures15
Participating Medicare providerYes
Average age of these patients75

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)376 services
  2. Subsequent hospital care with moderate levelof medical decision making, if using time, at least 35 minutes (99232)308 services
  3. Visit complexity inherent to evaluation and management associated with medical care services that serve as the continuing focal point for all needed health care services and/or with medical care services that are part of ongoing care related to a patient's (G2211)304 services
  4. Dialysis services, 4 or more physician visits per month (20 years or older) (90960)278 services
  5. Dialysis services, 2-3 physician visits per month (20 years or older) (90961)129 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%
  • Chronic kidney disease75%
  • Diabetes61%
  • Ischemic heart disease48%
  • Arthritis43%

Hospitals where Vrinda Mahajan works

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

Group practices

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

  • Montgomery Renal Associates P.A.5 clinicians in the group

Specialties

Find other Nephrology doctors in Maryland →

Other nephrologists in Silver Spring

Clinicians with the same Medicare primary specialty in Silver Spring, MD — not a recommendation.

All nephrologists in Silver Spring →

Other clinicians in Montgomery Renal Associates P.A.

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

Clinician information

CredentialMD
Graduation year2006 (20 years since medical school)
Gender (as listed)Female
Medicare assignmentAccepts (Medicare-approved amount as full payment)
TelehealthOffers telehealth services
NPI (National Provider Identifier)1790997724
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