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

Mary Mattheos Physician PC

Organization Internal Medicine Physician · NPI 1245426550

Mary Mattheos Physician PC is an Internal Medicine Physician in Lindenhurst, New York. Registered with an NPI since 2007.

In the registry since
2007
Specialties on file
3
What do these letters mean?
PC — Professional corporation
A form of business registration, not a clinical qualification.

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Practice location Address checks out

350 W Montauk Hwy
Lindenhurst, NY 11757-5630
Phone: (631) 226-0388
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Pin is approximate — placed at the ZIP-code centre, not the exact door.

Specialties & licences

Internal Medicine Physician (primary) Taxonomy 207R00000X
Physical Medicine & Rehabilitation Physician Taxonomy 208100000X
Physical Therapist Taxonomy 225100000X

Record details

NPI number1245426550
Entity typeOrganization (Type 2)
Organization subpartNo
Authorized official Mary Mattheos — Doctor · (631) 956-6002
NPI enumeratedSeptember 20, 2007
Last updated in NPPESJuly 14, 2026
Certification dateJuly 14, 2026
Mailing address350 W Montauk Hwy, Lindenhurst, NY 11757-5630

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