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Hospitalist

Sidharthi Trichy Selvaraj, MD

Works at hospitals in Frederick, MD · Maryland

Summary

Dr. Sidharthi Trichy Selvaraj, MD is a hospitalist at 184 Thomas Johnson Dr, Suite 201, Frederick, MD 21702. Phone: (240) 949-7519. Accepts Medicare assignment. In 2024, Sidharthi Trichy Selvaraj had 526 Original Medicare patients and 1,498 services. NPI 1861753980. 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: Hospitalist
  • Address: 184 Thomas Johnson Dr, Suite 201, Frederick, MD 21702 · Directions (1 more location)
  • Phone: (240) 949‑7519
  • Medicare: Accepts Medicare assignment
  • Hospital: Frederick Health Hospital
  • Group practice: Hospitalist Medicine Physicians of Maryland PC (+1 more)
  • Medical school: graduated 2001 (25 years since medical school)
  • Gender (as listed): Female

From official Medicare data

This page shows what Medicare's official clinician data says about Sidharthi Trichy Selvaraj, 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 Sidharthi Trichy Selvaraj accept Medicare assignment?
Yes. Medicare's clinician data says Sidharthi Trichy Selvaraj 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 Sidharthi Trichy Selvaraj see?
In 2024, CMS data shows 526 Original Medicare patients and 1,498 services for Sidharthi Trichy Selvaraj. This counts Original Medicare only and measures volume, not quality.
What is Sidharthi Trichy Selvaraj's NPI number?
1861753980. 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 Sidharthi Trichy Selvaraj, 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 patients526
Services billed to Medicare1,498
Different services or procedures9
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 50 minutes (99233)771 services
  2. Subsequent hospital care with moderate levelof medical decision making, if using time, at least 35 minutes (99232)300 services
  3. Hospital discharge day management, more than 30 minutes (99239)276 services
  4. Initial hospital care with moderate level of medical decision making, if using time, at least 75 minutes (99223)82 services
  5. Critical care, first 30-74 minutes (99291)34 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%
  • Arthritis60%
  • Ischemic heart disease57%
  • Diabetes51%
  • Depression50%

Hospitals where Sidharthi Trichy Selvaraj works

Medicare's Facility Affiliation Data lists Sidharthi Trichy Selvaraj 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.

  • Frederick Health HospitalFrederick, MD · Acute Care Hospital · Medicare rating: 3 of 5 stars · Emergency services: listed by Medicare · CCN 210005

Practice locations

Addresses where Sidharthi Trichy Selvaraj is enrolled with Medicare (CMS data updated October 2, 2026).

Group practices

Medicare enrollment lists Sidharthi Trichy Selvaraj as a member of these groups (CMS data updated October 2, 2026).

  • Hospitalist Medicine Physicians of Maryland PC71 clinicians in the group
  • Frederick Metabolic and Primary Care Associates LLC3 clinicians in the group

Specialties

Find other Hospitalist doctors in Maryland →

Other hospitalists in Frederick

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

All hospitalists in Frederick →

Other clinicians in Hospitalist Medicine Physicians of Maryland PC

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

Clinician information

CredentialMD
Graduation year2001 (25 years since medical school)
Gender (as listed)Female
Medicare assignmentAccepts (Medicare-approved amount as full payment)
NPI (National Provider Identifier)1861753980
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