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Pediatric Medicine

Allan S. Marks, MD

Sees patients in Bethpage, NY · Los Angeles, CA · New York, California

Summary

Allan S. Marks, MD (Pediatric Medicine) is enrolled with Medicare at 2 practice locations in Bethpage, NY and Los Angeles, CA. NPI 1285762021. Source: CMS National Downloadable File, updated 2026-10-02.

NPI Registry record Medicare profile

From official Medicare data

This page shows what Medicare's official clinician data says about Allan S. Marks, joined by NPI number (data updated 2026-10-02). It is not a recommendation or a rating. Call the office or hospital to confirm before you go.

In a medical emergency, call 911.

At a glance

2Practice locations
Pediatric MedicinePrimary specialty
May acceptAccepts Medicare assignment
YesOffers telehealth
46Years since medical school (graduated 1980)
University Of Rochester School Of Medicine And DentistryMedical school
MaleGender (as listed)

Quick answers

Where does Allan S. Marks see patients?
Medicare's clinician data lists 2 practice locations, including Bethpage, NY and Los Angeles, CA. Call before your visit to confirm the address.
What is Allan S. Marks's specialty?
Medicare lists Pediatric Medicine as the primary specialty.
Does Allan S. Marks accept Medicare assignment?
Medicare's clinician data says Allan S. Marks may accept Medicare assignment (as of 2026-10-02). Ask the office whether they accept it for your visit.
Does Allan S. Marks offer telehealth?
Medicare's clinician data says Allan S. Marks offers telehealth services. Ask the office which visits can be done by video or phone.
What is Allan S. Marks's NPI number?
1285762021. The NPI (National Provider Identifier) is the clinician's permanent federal ID; you can look it up in the official NPI Registry.

Practice locations

Addresses where Allan S. Marks is enrolled with Medicare (CMS data updated 2026-10-02).

  • 15 Grumman Rd W, Suite 1400Bethpage, NY 11714
  • PO BoxLos Angeles, CA 90084

Specialties

Find other Pediatric Medicine doctors in New York →

Other pediatricians in Bethpage

Clinicians with the same Medicare primary specialty in Bethpage, NY — not a recommendation.

All pediatricians in Bethpage →

Clinician information

CredentialMD
Medical schoolUniversity Of Rochester School Of Medicine And Dentistry
Graduation year1980
Gender (as listed)Male
Medicare assignmentMay accept for some services
TelehealthOffers telehealth services
NPI (National Provider Identifier)1285762021
CorrectionsReport an error or suggest an update →

Most corrections must be made at the source: clinicians update their NPI Registry record (NPPES) and their Medicare enrollment (PECOS); this page follows the next data release.

Sources

  1. National Downloadable File (Doctors and Clinicians) — CMS, data updated 2026-10-02, retrieved 2026-10-29
  2. NPI Registry — U.S. Department of Health and Human Services (NPPES), the clinician’s official record
  3. Medicare Care Compare — official Medicare tool to look up clinicians