Bertram Sidney Liebross, MD
Family Medicine Physician · Great Neck, NY
Bertram Sidney Liebross, MD is a family medicine physician with a practice address in Great Neck, New York, and NPI 1518023498, issued on Dec 28, 2006. Check the license (New York 101408, as entered in NPPES) on the NYS Education Department, Office of the Professions; the Medicare figures below come from public CMS files.
- Name
- Bertram Sidney Liebross
- Credential
- MD
- Primary taxonomy
- Family Medicine Physician 207Q00000X
- License number
- 101408 NY
Self-reported in NPPES; status is on the state search - Practice location
- 55 Greenleaf HL, Great Neck, NY 11023
- Phone
- (516) 829-3794
- Enumerated
- Dec 28, 2006
- Record last updated
- Jul 8, 2007 (not updated in 19 years: call before relying on the address or phone)
- Fax
- (516) 829-3794
- Entity
- Type 1 · individual
Also registered at 55 Greenleaf HL
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Thelma Liebross, DDSDentist1730245630
Verify Bertram Sidney Liebross 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 101408Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
99% fewer Medicare Part D claims than the average family medicine physician in 2024
18 Medicare Part D claims, against an average of 3,544 among the 117,163 providers of this specialty who prescribed in Part D.
Source: CMS Medicare Part D Prescribers by Provider and Drug, 2024 (data.cms.gov). Part D covers prescriptions for Medicare patients only; drugs with fewer than 11 claims are not published.
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Common questions
What is Bertram Sidney Liebross, MD's NPI number?
Bertram Sidney Liebross, MD's National Provider Identifier (NPI) is 1518023498, issued on Dec 28, 2006. An NPI identifies a provider in billing; it is not a license.
Where is Bertram Sidney Liebross, MD located?
The NPPES record lists a practice address at 55 Greenleaf HL, Great Neck, NY, 11023. Phone: (516) 829-3794. Providers update this record themselves, so call before visiting.
How can I verify Bertram Sidney Liebross, MD's license?
NPPES lists New York license number 101408, 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.
How much does Bertram Sidney Liebross, MD prescribe under Medicare Part D?
In 2024, Bertram Sidney Liebross, MD had 18 Medicare Part D claims; the average among family medicine physician prescribers was 3,544. Part D covers Medicare prescriptions only.
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.