Helen Mary Marks, M.D.
Internal Medicine Physician · Roslyn Heights, NY
Helen Mary Marks, M.D. is an internal medicine physician with a practice address in Roslyn Heights, New York, and NPI 1073774261, issued on Jun 19, 2008. Check the license (New York 169509, as entered in NPPES) on the NYS Education Department, Office of the Professions; the Medicare figures below come from public CMS files.
- Name
- Helen Mary Marks
- Credential
- M.D.
- Primary taxonomy
- Internal Medicine Physician 207R00000X
- License number
- 169509 NY
Self-reported in NPPES; status is on the state search - Practice location
- 6 Helen Dr, Roslyn Heights, NY 11577
- Phone
- (516) 626-2559
- Enumerated
- Jun 19, 2008
- Record last updated
- Jun 19, 2008 (not updated in 18 years: call before relying on the address or phone)
- Fax
- (516) 626-9552
- Entity
- Type 1 · individual
8 nearest internal medicine physician records → All 12,067 in New York → Look up another NPI →
Verify Helen Mary Marks 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 169509Check 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 internal medicine physician in 2024
16 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 0% of 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.
Helen Mary Marks among 12,067 internal medicine physician records in New York
Helen Mary Marks, M.D. 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 2008, is newer than 56% of them.
- NPI issued2008 · 56% of these records are older, 40% newer
- In a Medicare fileYes · 79% of these records are
- In the CMS Doctors and Clinicians fileNo · 60% of these records are
- Record last updated2008 · 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
- Prachi Dharia, MDRoslyn Heights, NY 115771710145404
- Lilia Idanan, MDRoslyn Heights, NY 115771871503946
- Marisa Ip, M.D.Roslyn Heights, NY 115771710286448
- Daniel Kassan, M.D.Roslyn Heights, NY 115771174623748
- Joel Laxer, MDRoslyn Hgts, NY 115771447216494
- Ethan Loeb, M.D.Roslyn Heights, NY 115771275727711
- Milton Masur, MDRoslyn Hgts, NY 115771174572713
- Anitha Mathew-Shaji, D.O.Roslyn Heights, NY 115771003049867
Common questions
What is Helen Mary Marks, M.D.'s NPI number?
Helen Mary Marks, M.D.'s National Provider Identifier (NPI) is 1073774261, issued on Jun 19, 2008. An NPI identifies a provider in billing; it is not a license.
Where is Helen Mary Marks, M.D. located?
The NPPES record lists a practice address at 6 Helen Dr, Roslyn Heights, NY, 11577. Phone: (516) 626-2559. Providers update this record themselves, so call before visiting.
How can I verify Helen Mary Marks, M.D.'s license?
NPPES lists New York license number 169509, 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 Helen Mary Marks, M.D. prescribe under Medicare Part D?
In 2024, Helen Mary Marks, M.D. had 16 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.