MARSHA ALEXANDER, D.O — NPI 1508059056 (Board-Certified Neurologist (Brain, Spine, Stroke & Nerve Specialist) in COMMACK, NY)

CMS-1500 Box 24J / 33a • NPI

1508059056

Type 1 Individual Rendering/Ordering

HIPAA NUCC Taxonomy • CMS Code

2084P0804X (CMS 86)

Board-Certified Neurologist (Brain, Spine, Stroke & Nerve Specialist)

Box 32 Service Location & ZIP+4

356 VETERANS MEMORIAL HWY, SUITE NUMBER 6, COMMACK, NY, 11725-4343

✓ 9-Digit EDI 837 ZIP+4 (11725-4343)

Practice Phone & Referral Fax

(516) 779-3300

Direct NPPES Verification Line

✓ HHS OIG LEIE Sanction Screening — VERIFIED CLEAR: NPI 1508059056 (MARSHA ALEXANDER, D.O) has 0 active federal exclusions across all 84,224 HHS OIG LEIE sanction records (Database Verified: 2026-11-11).

CMS Medicare Order & Referring PECOS Eligibility

This practitioner does not currently appear in the CMS individual Order & Referring PECOS file (may practice in pediatrics, commercial-only networks, or hospital-employed settings).

Official CMS NPPES Credential & Practice Profile

10-Digit NPI Number	`1508059056` (NPI-1 Individual Practitioner)
Provider / Legal Name	MARSHA ALEXANDER, D.O
Plain-English Specialty	Board-Certified Neurologist (Brain, Spine, Stroke & Nerve Specialist) NUCC Code: `2084P0804X` (Psychiatry & Neurology, Child & Adolescent Psychiatry)
Certifying / Licensing Body	American Board of Psychiatry and Neurology (ABPN)
Practice Location Address	356 VETERANS MEMORIAL HWY, SUITE NUMBER 6, COMMACK, NY, 11725-4343
Practice Telephone / Fax	Tel: (516) 779-3300
Administrative Mailing Address	356 VETERANS MEMORIAL HWY, COMMACK, NY, 11725-4343
Enumeration & Last Sync	Enumerated: 2007-08-18 \| CMS Record Updated: 2007-08-18

Clinic Location, Accessibility & Directions

📍 Practice Location & Patient Access

356 VETERANS MEMORIAL HWY, SUITE NUMBER 6, COMMACK, NY, 11725-4343

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Plain-English Taxonomy & CMS Crosswalk (2084P0804X)

What Does Taxonomy Code 2084P0804X Mean?

In the HIPAA National Uniform Claim Committee (NUCC) classification, code 2084P0804X translates to:
"Board-Certified Neurologist (Brain, Spine, Stroke & Nerve Specialist)"

CMS-1500 Medicare Specialty Crosswalk: CMS Code 86 (Physician/Neuropsychiatry)
Certifying / Accrediting Authority: American Board of Psychiatry and Neurology (ABPN)
Clinical Scope: Stroke recovery, chronic or severe migraines, seizures, numbness/tingling in hands or feet (neuropathy), tremors, memory loss, or suspected CSF leak.

Specialty Clinical Procedures & Therapeutic Classes

Standard Scope of Care (MARSHA ALEXANDER, D.O)

Typical CPT / Diagnostic Procedures:

Electroencephalography (EEG — CPT 95816) for Seizure & Epilepsy Evaluation
Electromyography (EMG) & Nerve Conduction Studies (NCS)
Lumbar Puncture & Cerebrospinal Fluid (CSF) Pressure/Analysis
Acute Ischemic Stroke NIHSS Assessment & Neuroimaging Review

Common Therapeutic Classes:

CGRP Antagonists & Triptans (Sumatriptan, Rizatriptan) for Migraine
Antiepileptic Drugs (Levetiracetam, Lamotrigine, Valproate)
Levodopa/Carbidopa (Parkinson's Disease) & Gabapentin/Pregabalin (Neuropathy)
Antiplatelet & Secondary Stroke Prevention Regimens

All Registered NUCC Taxonomies & State Licenses

Taxonomy Code & Plain-English Description	State License & Primary Status
`2084P0804X` — Psychiatry & Neurology, Child & Adolescent Psychiatry Plain English: Board-Certified Neurologist (Brain, Spine, Stroke & Nerve Specialist)	State: NY \| License: `237852` \| Primary: Yes (Primary)

Medical Billing, RCM & Hospital Credentialing Teams:

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MARSHA ALEXANDER, D.O (NPI #1508059056)