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

Individual provider Anesthesiology Physician · NPI 1083807549

Dr. Matthew Sieger, MD is an Anesthesiology in Brooklyn, New York. Graduated from Icahn School of Medicine at Mount Sinai in 2006, 20 years ago. Practices with Gbaa Holdings PLLC, a 23-clinician group and accepts Medicare assignment. Licensed in New York.

Years since qualifying
20
Trained at
Icahn School of Medicine at Mount Sinai
Licensed in
NY
In the registry since
2007
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

950 49th St Apt 3G
Brooklyn, NY 11219-2938
Phone: (718) 283-6000
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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 390200000X (NY)

Record details

NPI number1083807549
Entity typeIndividual (Type 1)
GenderMale
Credentials MD
Sole proprietorYes
NPI enumeratedAugust 19, 2007
Last updated in NPPESAugust 19, 2007

Medicare enrollment

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

Medicare specialtyANESTHESIOLOGY
Medical schoolICAHN SCHOOL OF MEDICINE AT MOUNT SINAI
Graduated 2006 (20 years in practice)
Group practice Gbaa Holdings Pllc — 23 clinicians
Accepts Medicare assignment Yes — accepts the Medicare-approved amount

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