Hai-Wen Ma, MD
Internal Medicine Physician · Oceanside, NY
Hai-Wen Ma, MD is an internal medicine physician with a practice address in Oceanside, New York, and NPI 1952344038, issued on Jun 14, 2006. Check the license (New York 218259, as entered in NPPES) on the NYS Education Department, Office of the Professions; the Medicare figures below come from public CMS files.
- Name
- Hai-Wen Ma
- Credential
- MD
- Primary taxonomy
- Internal Medicine Physician 207R00000X
- License number
- 218259 NY
Self-reported in NPPES; status is on the state search - Practice location
- One Healthy Way, Oceanside, NY 11572
- Phone
- (516) 632-3666
- Enumerated
- Jun 14, 2006
- Record last updated
- Dec 9, 2015 (not updated in 11 years: call before relying on the address or phone)
- Fax
- (516) 632-3667
- Medicare enrollment
- Enrolled (PECOS I20040515000381); accepts Medicare assignment
- Entity
- Type 1 · individual
8 nearest internal medicine physician records → All 12,067 in New York → Look up another NPI →
Also registered at One Healthy Way
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Clare Berman, RNC, IBCLCLactation Consultant (Registered Nurse)1003205428
- Allen Frank, M.D.Obstetrics & Gynecology Physician1306835509
- Michael HoustonAnesthesiology Physician1578526935
- Paul Jean-Charles, MDNeonatal-Perinatal Medicine Physician1831187533
- Mariam Karram-Fendoune, P.A.-CPhysician Assistant1568689255
- Rosemarie KeatingAdult Health Nurse Practitioner1154866689
Verify Hai-Wen Ma 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 218259Check 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
- Mount Sinai School OF MedicineOceanside, NY
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Hai-Wen Ma among 12,067 internal medicine physician records in New York
Hai-Wen Ma, 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 2006, is newer than 8% of them.
- NPI issued2006 · 8% of these records are older, 53% newer
- In a Medicare fileYes · 79% of these records are
- In the CMS Doctors and Clinicians fileYes · 60% of these records are
- Graduated1995 · median 2002 among the 7,221 with a school on file
- Record last updated2015 · 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).
22 internal medicine physician records list a practice address in Oceanside
They are 22 of the 1,093 NPPES records with a practice address in Oceanside, and 12,067 internal medicine physician records in New York.
All 12,067 in New York → Every provider in Oceanside → Internal Medicine Physician nationwide →
The 8 internal medicine physician records with the nearest ZIP codes
- Mohammed Ellahi, M.D.Oceanside, NY 115721750619722
- Benjamin Felder, DOOceanside, NY 115721003261041
- Larry Friedman, MDOceanside, NY 115721770566895
- Muhammad Khan, MDOceanside, NY 115721083097885
- Marian Kolarsky, MDOceanside, NY 115721790920643
- Dmitry Konsky, D.O.Oceanside, NY 115721720085061
- Glenn Macdonald, M DOceanside, NY 115721437252665
- Timothy Mailloux, M.D.Oceanside, NY 115721215915145
Common questions
What is Hai-Wen Ma, MD's NPI number?
Hai-Wen Ma, MD's National Provider Identifier (NPI) is 1952344038, issued on Jun 14, 2006. An NPI identifies a provider in billing; it is not a license.
Where is Hai-Wen Ma, MD located?
The NPPES record lists a practice address at One Healthy Way, Oceanside, NY, 11572. Phone: (516) 632-3666. Providers update this record themselves, so call before visiting.
How can I verify Hai-Wen Ma, MD's license?
NPPES lists New York license number 218259, 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.