Provider records sourced from NPPES (CMS National Plan & Provider Enumeration System). Data current as of August 10, 2026.

Mr. Alain Berthold, MD

Individual provider Hospitalist Physician · NPI 1538320403

Mr. Alain Berthold, MD is a Hospitalist in Oceanside, New York. Graduated from State University of New York Downstate Medical Center in 2008, 18 years ago. Practices with Southwest Suffolk Medical PC, a 200-clinician group, works from 2 locations and accepts Medicare assignment. Licensed in New York.

Years since qualifying
18
Trained at
State University of New York Downstate Medical Center
Licensed in
NY
In the registry since
2008
What do these letters mean?
MD — Doctor of Medicine
A physician who completed allopathic medical school.

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Practice location Address checks out

1 Healthy Way
Oceanside, NY 11572-1551
Phone: (516) 632-3000
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Pin is approximate — placed at the ZIP-code centre, not the exact door.

Additional practice locations (1)

  • 300 Community Dr, Manhasset, NY 11030-3816 — (516) 562-1000

Specialties & licences

Hospitalist Physician (primary) Taxonomy 208M00000X · Licence 256542 (NY)

Record details

NPI number1538320403
Entity typeIndividual (Type 1)
GenderMale
Credentials MD
Sole proprietorYes
NPI enumeratedJune 23, 2008
Last updated in NPPESJune 21, 2023
Certification dateJune 21, 2023
Mailing address1 Healthy Way, Oceanside, NY 11572-1551

Medicare enrollment

From the CMS Doctors & Clinicians file — this clinician is enrolled in Medicare.

Medicare specialtyHOSPITALIST
Also practisesINTERNAL MEDICINE
Medical schoolSTATE UNIVERSITY OF NEW YORK DOWNSTATE MEDICAL CENTER
Graduated 2008 (18 years in practice)
Group practice Southwest Suffolk Medical Pc — 200 clinicians
Accepts Medicare assignment Yes — accepts the Medicare-approved amount

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