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DR. MARSHA ALEXANDER D.O
NPI 1508059056
Psychiatry & Neurology - Child & Adolescent Psychiatry in Commack, NY

Active since August 18, 2007PECOS Enrolled
356 VETERANS MEMORIAL HWY, SUITE NUMBER 6, COMMACK, NY 11725(516) 779-3300 Get Directions Write a Review

NPPES record last updated: August 18, 2007. Verified against the NPPES registry weekly; last sync: August 02, 2026.

About Dr. Marsha Alexander D.o NPPES

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

DR. MARSHA ALEXANDER D.O (NPI 1508059056) is an individual child & adolescent psychiatry provider in Commack, New York, licensed in New York (237852) and active in the NPI registry since August 2007. She is enrolled in Medicare PECOS.

NPPES Registry Identity

NPI1508059056
Entity TypeIndividualFemale
Primary Taxonomy2084P0804X
Provider Legal NameDR. MARSHA ALEXANDERCredential: D.O
Location Address356 VETERANS MEMORIAL HWY, SUITE NUMBER 6Commack, NY 11725-4343
Mailing Address356 Veterans Memorial Hwy, Suite Number 6Commack, NY 11725-4343 · (516) 779-3300
Phone(516) 779-3300
Sole ProprietorYes
Enumeration DateAugust 18, 2007
✔ NPI 1508059056 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyPsychiatry & Neurology · Child & Adolescent PsychiatryAllopathic & Osteopathic Physicians
Taxonomy Code2084P0804X
License✔ Licensed in NY · 237852
Definition
Child & Adolescent Psychiatry is a subspecialty of psychiatry with additional skills and training in the diagnosis and treatment of developmental, behavioral, emotional, and mental disorders of childhood and adolescence.
356 VETERANS MEMORIAL HWY, Commack, NY 11725
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Medicare Participation & PECOS CMS

Medicare enrollment, assignment, and ordering and referring status from the CMS PECOS system.

Medicare Enrollment Status

✔

Enrolled in Medicare (PECOS)

Dr. Marsha Alexander D.o is registered in the CMS Provider Enrollment, Chain and Ownership System (PECOS).

Eligible to Order & Refer✔ Part B Labs & Imaging✔ Durable Medical Equipment✔ Home Health Agency✔ Power Mobility DevicesPer the CMS Ordering and Referring file. Eligibility means Medicare pays claims that this provider orders or refers for these categories.

Other Providers at the Same Location NPPES 10

Providers registered at the same practice address, or within the immediate area, according to the NPPES registry.

CINDY DEMETRIOU
Nurse Practitioner (Adult Health)
356 VETERANS MEMORIAL HWY, SUITE 5
COMMACK, NY 11725
Suffolk County (631) 858-0400
DR. KAREN L DEFALCO PSY.D.
Psychologist
356 VETERANS MEMORIAL HWY
COMMACK, NY 11725
Suffolk County (516) 316-0486
DR. MARK DARYL TIEMAN M.D.
Internal Medicine
356 VETERANS MEMORIAL HWY
COMMACK, NY 11725
Suffolk County (631) 858-0400
DR. LINDA RACHEL JONAS PHD
Psychologist
356 VETERANS MEMORIAL HWY, SUITE 6
COMMACK, NY 11725
Suffolk County (631) 543-2889
DR. BARBARA ANNE HERD PH.D.
Psychologist (Clinical)
356 VETERANS MEMORIAL HWY
COMMACK, NY 11725
Suffolk County (631) 689-5342
DR. RACHNA SHARMA SONDHI M.D.
Psychiatry & Neurology (Child & Adolescent Psychiatry)
356 VETERANS MEMORIAL HWY, SUITE # 6
COMMACK, NY 11725
Suffolk County (516) 639-7219
FREEDOMCARE PHYSICIAN PRACTICE PC
Internal Medicine
356 VETERANS MEMORIAL HWY
COMMACK, NY 11725
Suffolk County (646) 224-7300
DR. BARBARA EDELL FISHER PH.D.
Psychologist (Clinical)
356 VETERANS MEMORIAL HWY
COMMACK, NY 11725
Suffolk County (631) 864-0880

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 Marsha Alexander's NPI number?

The NPI number for Marsha Alexander is 1508059056. It was assigned to this individual provider in the NPPES registry on August 18, 2007.

Where is Marsha Alexander located?

Marsha Alexander practices at 356 Veterans Memorial Hwy Suite Number 6, Commack, NY 11725. The listed phone number is (516) 779-3300.

What is Marsha Alexander's specialty?

The primary specialty registered for this NPI is Psychiatry & Neurology, specializing in Child & Adolescent Psychiatry, with taxonomy code 2084P0804X.

Is Marsha Alexander enrolled in Medicare?

Yes. Marsha Alexander is registered in the Medicare PECOS enrollment system.

When was this NPI record last updated?

The NPPES record for Marsha Alexander was last updated on August 18, 2007. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 18 years 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.