Roger Mazlen, MD
Internal Medicine Physician · Roslyn Heights, NY
Roger Mazlen, MD is an internal medicine physician with a practice address in Roslyn Heights, New York, and NPI 1831230168, issued on Feb 9, 2007. Check the license (New York 0925861, as entered in NPPES) on the NYS Education Department, Office of the Professions; the Medicare figures below come from public CMS files.
- Name
- Roger Mazlen
- Credential
- MD
- Primary taxonomy
- Internal Medicine Physician 207R00000X
- License number
- 0925861 NY
Self-reported in NPPES; status is on the state search - Practice location
- 30 Middle Neck Road, Roslyn Heights, NY 11576
- Phone
- (516) 869-0717
- Enumerated
- Feb 9, 2007
- Record last updated
- Nov 4, 2010 (not updated in 16 years: call before relying on the address or phone)
- Fax
- (516) 869-0718
- Entity
- Type 1 · individual
8 nearest internal medicine physician records → All 12,067 in New York → Look up another NPI →
Verify Roger Mazlen 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 0925861Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
97% fewer Medicare Part D claims than the average internal medicine physician in 2024
100 Medicare Part D claims, against an average of 3,176 among the 108,855 providers of this specialty who prescribed in Part D. Brand-name drugs were 25% of claims.
Most prescribed
- Jardiance13 claims
- Metoprolol Tartrate12 claims
- Atorvastatin Calcium11 claims
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.
Roger Mazlen among 12,067 internal medicine physician records in New York
Roger Mazlen, MD is one of 12,067 internal medicine physician records with a practice address in New York. 79% 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 47% of them.
- NPI issued2007 · 47% of these records are older, 44% newer
- In a Medicare fileYes · 79% of these records are
- In the CMS Doctors and Clinicians fileNo · 60% of these records are
- Record last updated2010 · 61% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 207R00000X and a New York practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
14 internal medicine physician records list a practice address in Roslyn Heights
They are 14 of the 398 NPPES records with a practice address in Roslyn Heights, and 12,067 internal medicine physician records in New York.
All 12,067 in New York → Every provider in Roslyn Heights → Internal Medicine Physician nationwide →
The 8 internal medicine physician records with the nearest ZIP codes
- Joseph Ametrano, MDRoslyn, NY 115761942456454
- Viren Amin, M.D.Roslyn, NY 115761861661043
- Akram Boutros, M.D.Roslyn, NY 115761679773329
- Sundararaja Chandrasekaran, M.D.Roslyn, NY 115761598982209
- Maria Fedoseeva, MDRoslyn, NY 115761043599947
- Hc Glick, MDRoslyn, NY 115761215013990
- Kavita Goel, M.D.Roslyn, NY 115761356564348
- Nilsa Gutierrez, M.D.Roslyn, NY 115761922265446
Common questions
What is Roger Mazlen, MD's NPI number?
Roger Mazlen, MD's National Provider Identifier (NPI) is 1831230168, issued on Feb 9, 2007. An NPI identifies a provider in billing; it is not a license.
Where is Roger Mazlen, MD located?
The NPPES record lists a practice address at 30 Middle Neck Road, Roslyn Heights, NY, 11576. Phone: (516) 869-0717. Providers update this record themselves, so call before visiting.
How can I verify Roger Mazlen, MD's license?
NPPES lists New York license number 0925861, 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 Roger Mazlen, MD prescribe under Medicare Part D?
In 2024, Roger Mazlen, MD had 100 Medicare Part D claims; the average among internal medicine physician prescribers was 3,176. 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.