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Gastroenterology

Rudrajit M. Rai, MD

Sees patients in Olney, MD · Columbia, MD · Maryland

Summary

Dr. Rudrajit M. Rai, MD is a gastroenterologist at 3405 Olandwood Ct, Suite 102, Olney, MD 20832. Phone: (301) 570-8671. Accepts Medicare assignment. In 2024, Rudrajit M. Rai had 424 Original Medicare patients and 20,773 services. NPI 1346213824. Source: CMS National Downloadable File, updated October 2, 2026; CMS Medicare Physician & Other Practitioners, data year 2024.

  • Specialty: Gastroenterologist (Medicare lists Gastroenterology)
  • Address: 3405 Olandwood Ct, Suite 102, Olney, MD 20832 · Directions (1 more location)
  • Phone: (301) 570‑8671
  • Medicare: Accepts Medicare assignment
  • Group practice: Gastro Center of Maryland LLC
  • Medical school: Johns Hopkins University School Of Medicine · graduated 1993 (33 years since medical school)
  • Gender (as listed): Male
  • Telehealth: offered

From official Medicare data

This page shows what Medicare's official clinician data says about Rudrajit M. Rai, 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 Rudrajit M. Rai accept Medicare assignment?
Yes. Medicare's clinician data says Rudrajit M. Rai 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 Rudrajit M. Rai see?
In 2024, CMS data shows 424 Original Medicare patients and 20,773 services for Rudrajit M. Rai. This counts Original Medicare only and measures volume, not quality.
What is Rudrajit M. Rai's NPI number?
1346213824. 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 Rudrajit M. Rai, 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 patients424
Services billed to Medicare20,773
Different services or procedures32
Participating Medicare providerYes
Average age of these patients72

Most frequent services

  1. Injection, vedolizumab, intravenous, 1 mg (J3380)17,400 services
  2. Established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more (99214)686 services
  3. Established patient office or other outpatient visit with low level od decision making, if using time, 20 minutes or more (99213)156 services
  4. Biopsy of large bowel using a flexible endoscope (45380)136 services
  5. Biopsy of esophagus, stomach, and/or upper small bowel using a flexible endoscope (43239)125 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 cholesterol75%
  • High blood pressure66%
  • Arthritis48%
  • Diabetes30%
  • Ischemic heart disease24%
  • Anxiety23%

Practice locations

Addresses where Rudrajit M. Rai is enrolled with Medicare (CMS data updated October 2, 2026).

Group practices

Medicare enrollment lists Rudrajit M. Rai as a member of this group (CMS data updated October 2, 2026).

  • Gastro Center of Maryland LLC23 clinicians in the group

Specialties

Find other Gastroenterology doctors in Maryland →

Other gastroenterologists in Olney

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

All gastroenterologists in Olney →

Other clinicians in Gastro Center of Maryland LLC

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

Clinician information

CredentialMD
Medical schoolJohns Hopkins University School Of Medicine
Graduation year1993 (33 years since medical school)
Gender (as listed)Male
Medicare assignmentAccepts (Medicare-approved amount as full payment)
TelehealthOffers telehealth services
NPI (National Provider Identifier)1346213824
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