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

Leonard M. Mattes MD, PC

Organization Cardiovascular Disease Physician · NPI 1023395654

Leonard M. Mattes MD, PC is a Cardiovascular Disease Physician in New York, New York. Licensed in New York. Registered with an NPI since 2011.

Licensed in
NY
In the registry since
2011
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

1199 Park Ave Ste 1F
New York, NY 10128-1711
Phone: (212) 876-7045
Fax: (212) 722-3286
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Pin is approximate — placed at the ZIP-code centre, not the exact door.

Specialties & licences

Cardiovascular Disease Physician (primary) Taxonomy 207RC0000X · Licence 093836 (NY)

Record details

NPI number1023395654
Entity typeOrganization (Type 2)
Organization subpartNo
Authorized official Leonard Mattes — Owner · (212) 876-7045
NPI enumeratedNovember 10, 2011
Last updated in NPPESNovember 10, 2011
Mailing address1199 Park Ave, Suite 1f, New York, NY 10128-1711

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