Provider records sourced from NPPES (CMS National Plan & Provider Enumeration System). Data current as of August 10, 2026.
NPIDirectory

Dr. Raihanahmed Chowdhury, MD

Individual provider Anesthesiology Physician · NPI 1437494531

Dr. Raihanahmed Chowdhury, MD practises Anesthesiology in Syosset, New York. Qualified in 1986, 40 years ago. Practices with First Colonies Anesthesia Associates, LLC, a 340-clinician group and accepts Medicare assignment. Licensed in New York.

Years since qualifying
40
Licensed in
NY
In the registry since
2012
What do these letters mean?
MD — Doctor of Medicine
A physician who completed allopathic medical school.

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Practice location Address checks out

42 Willets Dr
Syosset, NY 11791-3917 Not confirmed with CMS for 13 years — call before visiting
Phone: (202) 570-0900
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Pin is approximate — placed at the ZIP-code centre, not the exact door.

Specialties & licences

Anesthesiology Physician (primary) Taxonomy 207L00000X · Licence 207691 (NY)

Record details

NPI number1437494531
Entity typeIndividual (Type 1)
GenderMale
Credentials MD
Sole proprietorYes
NPI enumeratedNovember 30, 2012
Last updated in NPPESNovember 30, 2012

Medicare enrollment

From the CMS Doctors & Clinicians file — this clinician is enrolled in Medicare.

Medicare specialtyANESTHESIOLOGY
Medical schoolOTHER
Graduated 1986 (40 years in practice)
Group practice First Colonies Anesthesia Associates, Llc — 340 clinicians
Accepts Medicare assignment Yes — accepts the Medicare-approved amount
Practice locations4 on file with Medicare

Medicare patients and services, 2024

From the CMS Medicare Physician & Other Practitioners file for calendar year 2024. It counts Original Medicare patients only, so a practice that mostly sees Medicare Advantage or privately insured patients looks smaller here than it is.

Medicare patients205
Services billed 237 a service is one billed item, such as a visit, a test or a procedure
Average patient age75

Dollar amounts are not shown. What Medicare pays a practice is gross billings, before staff, premises and tax and including the cost of any drugs it administers, so it is not what a clinician earns.

Practises at

Facilities the CMS Facility Affiliation file lists for this clinician. Those with a page here are linked.

  • Holy Cross Hospital Hospital · Silver Spring, MD
  • Holy Cross Germantown Hospital Hospital · Germantown, MD
  • University Of Md Charles Regional Medical Center Hospital · La Plata, MD

Colleagues at First Colonies Anesthesia Associates, LLC

Clinicians the CMS Doctors & Clinicians file lists under the same group practice. CMS counts 340 clinicians in the practice; 12 are shown here.

Other providers in Syosset