Hai-Wen Ma, MD
NPI 1952344038 · Internal Medicine Physician · Oceanside, NY
Enrolled with Medicare as Practitioner - Internal Medicine · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Hai-Wen Ma, MD is a Internal Medicine Physician provider in Oceanside, NY (NPI 1952344038).
Provider details
- NPI number
- 1952344038
- Entity type
- Individual
- Primary specialty
- Internal Medicine PhysicianAllopathic & Osteopathic Physicians
- Credential
- MD
- Sex
- Female
- Sole proprietor
- No
- License
- 218259 (NY)
Specialties & taxonomies
Allopathic & Osteopathic Physicians
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure38% of score
20 yrs in NPPES registry
- Profile completeness38% of score
100% of core fields populated
- Practice footprint23% of score
1 documented practice location
Signals a provider has no public data for (e.g. Medicare claims) are left out of the score entirely — never counted as zero — so providers without that data are not penalized. See the full formula and weights in our methodology.
Practice location
Mailing address
Registry dates
- Enumerated
- 2006-06-14
- Last updated
- 2015-12-09
Frequently asked questions
- What is Hai-Wen Ma's NPI number?
- Hai-Wen Ma's National Provider Identifier (NPI) is 1952344038, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Hai-Wen Ma's specialty?
- Hai-Wen Ma is listed in the NPPES registry with a primary specialty of Internal Medicine Physician (Allopathic & Osteopathic Physicians).
- Where is Hai-Wen Ma located?
- Hai-Wen Ma's practice location on file with NPPES is One Healthy Way, Oceanside, NY 11572.
- What is Hai-Wen Ma's phone number?
- The practice phone number listed in the NPPES registry for Hai-Wen Ma is (516) 632-3666.
- Does Hai-Wen Ma accept Medicare?
- Hai-Wen Ma is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Hai-Wen Ma's NPI active?
- Yes — Hai-Wen Ma's NPI (1952344038) is active in the NPPES registry as of the last update on 2015-12-09.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.