Quick answers
- Does Raihanahmed Chowdhury accept Medicare assignment?
- Yes. Medicare's clinician data says Raihanahmed Chowdhury 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 Raihanahmed Chowdhury see?
- In 2024, CMS data shows 205 Original Medicare patients and 237 services for Raihanahmed Chowdhury. This counts Original Medicare only and measures volume, not quality.
- What is Raihanahmed Chowdhury's NPI number?
- 1437494531. 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 Raihanahmed Chowdhury, 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 patients | 205 |
|---|---|
| Services billed to Medicare | 237 |
| Different services or procedures | 57 |
| Participating Medicare provider | Yes |
| Average age of these patients | 75 |
Most frequent services
- Anesthesia for extensive surgery on spine (00670)21 services
- Anesthesia for other procedure on esophagus, stomach, or upper small bowel using an endoscope (00731)16 services
- Other procedure on nervous system (64999)12 services
- Anesthesia for other procedure on lower abdomen outside abdominal cavity (00860)11 services
- Injection of anesthetic agent and/or steroid into thigh nerve (femoral nerve) (64447)11 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%
- Diabetes40%
- Ischemic heart disease40%
- Chronic kidney disease36%
Hospitals where Raihanahmed Chowdhury works
Medicare's Facility Affiliation Data lists Raihanahmed Chowdhury 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.
- Holy Cross Germantown HospitalGermantown, MD · Acute Care Hospital · Medicare rating: 1 of 5 stars · Emergency services: listed by Medicare · CCN 210065
- Holy Cross HospitalSilver Spring, MD · Acute Care Hospital · Medicare rating: 2 of 5 stars · Emergency services: not listed by Medicare · CCN 210004
- University of MD Charles Regional Medical CenterLa Plata, MD · Acute Care Hospital · Medicare rating: 3 of 5 stars · Emergency services: listed by Medicare · CCN 210035
Practice locations
Addresses where Raihanahmed Chowdhury is enrolled with Medicare (CMS data updated October 2, 2026).
- 1500 Forest Glen RdSilver Spring, MD 20910 (301) 754‑7000
- 400 W 7th StFrederick, MD 21701 (240) 566‑3800
- 5 Garrett AveLa Plata, MD 20646 (301) 609‑4000
- 5 N La Plata Court, Suite 201La Plata, MD 20646 (443) 462‑5248
- 501 Sunset LnCulpeper, VA 22701 (703) 396‑5293
Group practices
Medicare enrollment lists Raihanahmed Chowdhury as a member of these groups (CMS data updated October 2, 2026).
- UVA Community Health Medical Group LLC340 clinicians in the group
- First Colonies Anesthesia Associates, LLC326 clinicians in the group
- Northstar Anesthesia of Maryland LLC28 clinicians in the group
Specialties
- Anesthesiologyprimary
Other anesthesiologists in Silver Spring
Clinicians with the same Medicare primary specialty in Silver Spring, MD — not a recommendation.
Other clinicians in UVA Community Health Medical Group LLC
Medicare enrollment lists these clinicians in the same group practice — not a recommendation.
Clinician information
| Credential | MD |
|---|---|
| Graduation year | 1986 (40 years since medical school) |
| Gender (as listed) | Male |
| Medicare assignment | Accepts (Medicare-approved amount as full payment) |
| NPI (National Provider Identifier) | 1437494531 |
| Corrections | Report 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
- Facility Affiliation Data — Centers for Medicare & Medicaid Services (CMS), data updated October 2, 2026, retrieved October 29, 2026
- Hospital General Information — CMS, data updated October 26, 2026, retrieved November 13, 2026
- National Downloadable File (Doctors and Clinicians) — CMS, data updated October 2, 2026, retrieved October 29, 2026
- Medicare Physician & Other Practitioners - by Provider — CMS, data year 2024, released May 21, 2026; Medicare Physician & Other Practitioners - by Provider and Service
- NPI Registry — U.S. Department of Health and Human Services (NPPES), the clinician’s official record
- Medicare Care Compare — official Medicare tool to look up clinicians