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

Thomas A. Lallas, MD, PC

Organization Gynecologic Oncology Physician · NPI 1003053539

Thomas A. Lallas, MD, PC provides Gynecologic Oncology Physician services in New York, New York. Registered with an NPI since 2009.

In the registry since
2009
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

907 5th Ave
New York, NY 10021-4156 Not confirmed with CMS for 17 years — call before visiting
Phone: (212) 838-0886
Fax: (212) 327-0526
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Pin is approximate — placed at the ZIP-code centre, not the exact door.

Specialties & licences

Gynecologic Oncology Physician (primary) Taxonomy 207VX0201X

Record details

NPI number1003053539
Entity typeOrganization (Type 2)
Organization subpartNo
Authorized official Thomas Lallas — President · (212) 838-0886
NPI enumeratedJanuary 21, 2009
Last updated in NPPESJanuary 21, 2009
Mailing address907 5th Ave, New York, NY 10021-4156

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