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

Internal Medicine

Merlyn K. Vemury, MD

Sees patients in Silver Spring, MD · Maryland

Summary

Dr. Merlyn K. Vemury, MD is an internal medicine doctor at 9801 Georgia Ave, Suite 227, Silver Spring, MD 20902. Phone: (301) 593-7792. Accepts Medicare assignment. In 2024, Merlyn K. Vemury had 60 Original Medicare patients and 380 services. NPI 1790842540. Source: CMS National Downloadable File, updated October 2, 2026; CMS Medicare Physician & Other Practitioners, data year 2024.

  • Specialty: Internal medicine doctor (Medicare lists Internal Medicine)
  • Address: 9801 Georgia Ave, Suite 227, Silver Spring, MD 20902 · Directions
  • Phone: (301) 593‑7792
  • Medicare: Accepts Medicare assignment
  • Medical school: graduated 1984 (42 years since medical school)
  • Gender (as listed): Female

From official Medicare data

This page shows what Medicare's official clinician data says about Merlyn K. Vemury, 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 Merlyn K. Vemury accept Medicare assignment?
Yes. Medicare's clinician data says Merlyn K. Vemury 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 Merlyn K. Vemury see?
In 2024, CMS data shows 60 Original Medicare patients and 380 services for Merlyn K. Vemury. This counts Original Medicare only and measures volume, not quality.
What is Merlyn K. Vemury's NPI number?
1790842540. 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 Merlyn K. Vemury, 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 patients60
Services billed to Medicare380
Different services or procedures23
Participating Medicare providerYes
Average age of these patients82

Most frequent services

  1. Chronic care management services for two or more chronic conditions, first 30 minutes provided personally by health care professional, per calendar month (99491)55 services
  2. Subsequent nursing facility care with moderate level of medical decision making, per day, if using time, at least 30 minutes (99309)54 services
  3. Residence visit for established patient with low level of medical decision making, per day, if using time, at least 30 minutes (99348)41 services
  4. Residence visit for established patient with moderate level of medical decision making, per day, if using time, at least 40 minutes (99349)25 services
  5. Subsequent nursing facility care with straightforward level of medical decision making, per day, if using time, 20 minutes or more (99308)23 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%
  • Alzheimer's disease or dementia75%
  • Depression58%
  • Arthritis48%
  • Ischemic heart disease48%

Practice locations

Addresses where Merlyn K. Vemury is enrolled with Medicare (CMS data updated October 2, 2026).

Specialties

Find other Internal Medicine doctors in Maryland →

Other internal medicine doctors in Silver Spring

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

All internal medicine doctors in Silver Spring →

Clinician information

CredentialMD
Graduation year1984 (42 years since medical school)
Gender (as listed)Female
Medicare assignmentAccepts (Medicare-approved amount as full payment)
NPI (National Provider Identifier)1790842540
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. National Downloadable File (Doctors and Clinicians) — CMS, data updated October 2, 2026, retrieved October 29, 2026
  2. Medicare Physician & Other Practitioners - by Provider — CMS, data year 2024, released May 21, 2026; Medicare Physician & Other Practitioners - by Provider and Service
  3. NPI Registry — U.S. Department of Health and Human Services (NPPES), the clinician’s official record
  4. Medicare Care Compare — official Medicare tool to look up clinicians