Matthew Sieger, M.D.
Anesthesiology Physician · Brooklyn, NY
Matthew Sieger, M.D. is an anesthesiology physician with a practice address in Brooklyn, New York, and NPI 1083807549, issued on Aug 19, 2007. Check the license (New York 390200000X, as entered in NPPES) on the NYS Education Department, Office of the Professions; the Medicare figures below come from public CMS files.
- Name
- Matthew Sieger
- Credential
- M.D.
- Primary taxonomy
- Anesthesiology Physician 207L00000X
- License number
- 390200000X NY
Self-reported in NPPES; status is on the state search - Practice location
- 950 49TH St, Brooklyn, NY 11219
- Phone
- (718) 283-6000
- Enumerated
- Aug 19, 2007
- Record last updated
- Aug 19, 2007 (not updated in 19 years: call before relying on the address or phone)
- Medicare enrollment
- Enrolled (PECOS I20100922001185); accepts Medicare assignment
- Medical or professional school
- Icahn School Of Medicine At Mount Sinai, 2006
- Entity
- Type 1 · individual
8 nearest anesthesiology physician records → All 5,062 in New York → Look up another NPI →
Also registered at 950 49TH St
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Einat Carmon, M.D.Student in an Organized Health Care Education/Training Program1508040205
- Reshma Mehendale, M.D.Ophthalmology Physician1932497823
Verify Matthew Sieger in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersNYS Education Department, Office of the Professions
Search for license 390200000XCheck the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
Bills Medicare through one group practice
- Gbaa Holdings PLLCWellesley, MA
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Matthew Sieger among 5,062 anesthesiology physician records in New York
Matthew Sieger, M.D. is one of 5,062 anesthesiology physician records with a practice address in New York. 77% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2007, is newer than 48% of them.
- NPI issued2007 · 48% of these records are older, 46% newer
- In a Medicare fileYes · 77% of these records are
- In the CMS Doctors and Clinicians fileYes · 71% of these records are
- Graduated2006 · median 2006 among the 3,612 with a school on file
- Record last updated2007 · 56% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 207L00000X and a New York practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
Anesthesiology Physician providers in New York
There are 5,062 anesthesiology physician records in New York.
All 5,062 in New York → Every provider in Brooklyn → Anesthesiology Physician nationwide →
The 8 anesthesiology physician records with the nearest ZIP codes
- Mark Abel, M.D.Brooklyn, NY 112191952383622
- Dennis Feierman, MDBrooklyn, NY 112191902845340
- Piyush Gupta, M.D.Brooklyn, NY 112191417941691
- Ana Guzman, MDBrooklyn, NY 112191679511273
- Meyer Halpern, M.D.Brooklyn, NY 112191083615835
- Mohamad Hashim, M DBrooklyn, NY 112191699760124
- Steven Konstadt, MDBrooklyn, NY 112191912940438
- Emil Malamud, MDBrooklyn, NY 112191437101565
Common questions
What is Matthew Sieger, M.D.'s NPI number?
Matthew Sieger, M.D.'s National Provider Identifier (NPI) is 1083807549, issued on Aug 19, 2007. An NPI identifies a provider in billing; it is not a license.
Where is Matthew Sieger, M.D. located?
The NPPES record lists a practice address at 950 49TH St, Brooklyn, NY, 11219. Phone: (718) 283-6000. Providers update this record themselves, so call before visiting.
How can I verify Matthew Sieger, M.D.'s license?
NPPES lists New York license number 390200000X, as entered by the provider. Search the NYS Education Department, Office of the Professions at https://www.op.nysed.gov/services/verifications/online-verification-searches. The NPPES record confirms identity only; the state search shows license status, expiration and public orders.
Source: CMS National Plan and Provider Enumeration System (NPPES), file of Aug 9, 2026 (NPPES files on CMS.gov); NUCC Health Care Provider Taxonomy. Medicare files from data.cms.gov. An NPI identifies who bills; it is not a license.
Figures on PlainDoctor are read from the federal files each page names (CMS NPPES, Medicare Part D, MIPS, Open Payments; the HHS-OIG exclusion list only as counts) and from Census population estimates, with the file date shown beside them. See our editorial standards & corrections policy, the methodology behind these numbers, or report a data error. Data current as of Aug 9, 2026.