Organization
ADVANCED INTERNAL MEDICINE GROUP PC
Active
Organization subpart
No
Provider details
NPI number
Authorized official
DR. LEON SCHWECHTER DO (PRESIDENT)
(516) 352-8100
Entity
Organization
Contact information
Practice address
2200 NORTHERN BLVD, SUITE 133, GREENVALE, NY 11548-1219
(516) 352-8100
(516) 352-7348
Mailing address
2200 NORTHERN BLVD STE 133, GREENVALE, NY 11548-1226
(516) 352-8100
(516) 352-7348
Taxonomy
Speciality
Code
Description
License number
State
207R00000X
Internal Medicine Physician
Primary
138681
NY
207RG0300X
Geriatric Medicine (Internal Medicine) Physician
Primary
138681
NY
207RG0300X
Geriatric Medicine (Internal Medicine) Physician
—
—
Other
Other identifiers
Code
Description
Identifier
Issuer
State
01
—
1225078314
LEON SCHWECHER NPI #
NY
01
—
1508806712
JAVIER MORALES NPI #
NY
01
—
W87631
GROUP MEDICARE PROVIDER #
NY
Enumeration date
11/28/2006
Last updated
04/29/2026
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