Organization
ALEXANDER S ELFENBEIN PHYSICIAN PC
Active
Organization subpart
No
Provider details
NPI number
Authorized official
ALEXANDER S. ELFENBEIN MD (OWNER)
(516) 568-2121
Entity
Organization
Contact information
Practice address
40 EAST MERRICK ROAD, STE 104, VALLEY STREAM, NY 11580-5947
(516) 568-2121
(516) 568-0426
Mailing address
40 EAST MERRICK ROAD, STE 104, VALLEY STREAM, NY 11580-5947
(516) 568-2121
(516) 568-0426
Taxonomy
Speciality
Code
Description
License number
State
207R00000X
Internal Medicine Physician
1637251
NY
207RC0000X
Cardiovascular Disease Physician
Primary
1637251
NY
207RG0300X
Geriatric Medicine (Internal Medicine) Physician
1637251
NY
Other
Other identifiers
Code
Description
Identifier
Issuer
State
05
—
01063809
—
NY
Enumeration date
11/14/2006
Last updated
09/11/2025
About Stedi
Stedi is the only programmable healthcare clearinghouse. You can use Stedi's APIs to process eligibility checks, claims, remits, and more.
Contact us