Robert William Baker, M.D.
Gastroenterology Physician · Great Neck, NY
Robert William Baker, M.D. is a gastroenterology physician with a practice address in Great Neck, New York, and NPI 1578646535, issued on Oct 23, 2006. Check the license (New York 134656, as entered in NPPES) on the NYS Education Department, Office of the Professions; the federal record below is the public data PlainDoctor holds for this provider.
- Name
- Robert William Baker
- Credential
- M.D.
- Primary taxonomy
- Gastroenterology Physician 207RG0100X
- License number
- 134656 NY
Self-reported in NPPES; status is on the state search - Practice location
- 560 Northern Blvd., Great Neck, NY 11021
- Phone
- (516) 482-0600
- Enumerated
- Oct 23, 2006
- Record last updated
- Dec 3, 2009 (not updated in 17 years: call before relying on the address or phone)
- Fax
- (516) 829-9674
- Entity
- Type 1 · individual
8 nearest gastroenterology physician records → All 1,797 in New York → Look up another NPI →
Also registered at 560 Northern Blvd.
A shared address usually means a shared clinic or building; it does not show who employs whom.
- David Sands, DPMFoot Surgery Podiatrist1548265788
Verify Robert William Baker 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 134656Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
Robert William Baker among 1,797 gastroenterology physician records in New York
Robert William Baker, M.D. is one of 1,797 gastroenterology physician records with a practice address in New York. 88% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does not. Its NPI, issued in 2006, is newer than 15% of them.
- NPI issued2006 · 15% of these records are older, 44% newer
- In a Medicare fileNo · 88% of these records are
- In the CMS Doctors and Clinicians fileNo · 77% of these records are
- Record last updated2009 · 65% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 207RG0100X and a New York practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
Gastroenterology Physician providers in New York
There are 1,797 gastroenterology physician records in New York. No Medicare prescribing, quality score, industry payment or hospital affiliation is published for this NPI.
All 1,797 in New York → Every provider in Great Neck → Gastroenterology Physician nationwide →
The 8 gastroenterology physician records with the nearest ZIP codes
- John Costable, MDGreat Neck, NY 110211043251184
- Andy Fan, M.D.Great Neck, NY 110211730107327
- Matthew Horowitz, M.D.Great Neck, NY 110211225110901
- Seymour Katz, M.D.Great Neck, NY 110211255337424
- Lawrence Koblenz, MDGreat Neck, NY 110211699793620
- Mitchell Locke, MDGreat Neck, NY 110211518954726
- David Magier, M.D.Great Neck, NY 110211285634196
- Nichol Martinez, M.D.Great Neck, NY 110211265850051
Common questions
What is Robert William Baker, M.D.'s NPI number?
Robert William Baker, M.D.'s National Provider Identifier (NPI) is 1578646535, issued on Oct 23, 2006. An NPI identifies a provider in billing; it is not a license.
Where is Robert William Baker, M.D. located?
The NPPES record lists a practice address at 560 Northern Blvd., Great Neck, NY, 11021. Phone: (516) 482-0600. Providers update this record themselves, so call before visiting.
How can I verify Robert William Baker, M.D.'s license?
NPPES lists New York license number 134656, 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. 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.