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Newly Listed Provider — this NPI profile has been added to the NPI registry within the last 90 days.

LELAND MEDICAL GROUP PA
NPI 1760393334
Internal Medicine in New York, NY

Active since September 14, 2026
335 MADISON AVE RM 7C, NEW YORK, NY 10017(914) 530-0242 Get Directions Write a Review

NPPES record added: September 14, 2026. Verified against the NPPES registry weekly; last sync: September 20, 2026.

About Leland Medical Group Pa NPPES

Official registry information on file with the National Plan and Provider Enumeration System.

LELAND MEDICAL GROUP PA (NPI 1760393334) is a healthcare organization registered as an internal medicine in New York, New York and active in the NPI registry since September 2026. The organization lists Matthew Walvick, President, as its authorized official.

NPPES Registry Identity

NPI1760393334
Entity TypeOrganization
Primary Taxonomy207R00000X
Legal Business NameLELAND MEDICAL GROUP PA
Location Address335 MADISON AVE RM 7CNew York, NY 10017-4685
Mailing Address335 Madison Ave Rm 7cNew York, NY 10017-4685
Phone(914) 530-0242
Organization SubpartNo
Authorized OfficialMatthew WalvickPresident · (510) 585-8497
Enumeration DateSeptember 14, 2026
NPPES CertifiedSeptember 14, 2026
✔ NPI 1760393334 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyInternal MedicineAllopathic & Osteopathic Physicians
Taxonomy Code207R00000X
Definition
A physician who provides long-term, comprehensive care in the office and the hospital, managing both common and complex illness of adolescents, adults and the elderly. Internists are trained in the diagnosis and treatment of cancer, infections and diseases affecting the heart, blood, kidneys, joints and digestive, respiratory and vascular systems. They are also trained in the essentials of primary care internal medicine, which incorporates an understanding of disease prevention, wellness, substance abuse, mental health and effective treatment of common problems of the eyes, ears, skin, nervous system and reproductive organs.
335 MADISON AVE RM 7C, New York, NY 10017
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Group Practice 1

Group TaxonomyThis provdier is a business group of one or more individual practitioners, all of who practice with the same area of specialization.193400000X SINGLE SPECIALTY GROUP

Frequently Asked Questions NPPES & CMS

Common questions about this NPI record, answered from the official NPPES registry and CMS datasets shown on this page.

What is Leland Medical Group PA's NPI number?

The NPI number for Leland Medical Group PA is 1760393334. It was assigned to this organization in the NPPES registry on September 14, 2026.

Where is Leland Medical Group PA located?

Leland Medical Group PA is located at 335 Madison Ave Rm 7C, New York, NY 10017. The listed phone number is (914) 530-0242.

What is Leland Medical Group PA's specialty?

The primary specialty registered for this NPI is Internal Medicine with taxonomy code 207R00000X.

When was this NPI record last updated?

The NPPES record for Leland Medical Group PA was last updated on September 14, 2026. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 9 days ago. If this record has changed at CMS more recently, you can request an on-demand re-check against the live CMS registry, directly from this page.