Michael Marcus MD
About this NPIWhat this record shows.
NPI 1134114192 is registered to Michael Marcus MD, a Pediatric Allergy/Immunology Physician practising at 948 48th St in Brooklyn, New York. Pediatric Allergy/Immunology Physician is a recognised medical specialty under the National Uniform Claim Committee (NUCC) taxonomy. Michael Marcus MD has been enumerated in the National Provider Identifier (NPI) registry since 2005.
Beyond the registryWhat this record adds.
This record carries 13 secondary identifiers beyond the base NPI: Medicaid and other payer cross-references used by billers and credentialers, which the standard CMS NPPES lookup does not surface. It is enrolled in Medicare, linking to 1 PECOS enrollment record (with a public Medicare Enrollment ID) sourced from CMS, which the NPPES registry does not list. Within the directory it is one of 58 Pediatric Allergy/Immunology Physician providers on file in New York.
Source: CMS NPPES and PECOS public files. snapshot, refreshed monthly.
Your brand here.
Secondary identifiers
Additional identifiers this provider has registered with NPPES. Used by medical billers, credentialers, and insurance verifiers to cross-reference claims and enrollments.
Other
- 113491197NY· Issued by MULTIPLAN
- 113491197NY· Issued by PHCS
- 3C2614NY· Issued by HEALTH NET
- 299910401NY· Issued by HEALTH PLUS
- 4293337NY· Issued by AETNA PPO
- 82N0131NY· Issued by NEIGHBORHOOD HEALTH
- BKX0148-13NY· Issued by AMERICHOICE
- MM8903NY· Issued by ATLANTIS HEALTH PLAN
- P2037616NY· Issued by OXFORD HEALTH PLANS
- 202460NY· Issued by UNITED HEALTH CARE
- 148903-A15NY· Issued by HEALTH FIRST
- 92Q181NY· Issued by EMPIRE BCBS
Medicaid
- 0907635NY
Source: NPPES public registry.
Medicare enrollment
This provider holds a Medicare enrollment on file with the Provider Enrollment, Chain and Ownership System (PECOS). Each enrollment carries a public Medicare Enrollment ID (ENRLMT_ID) used by billers and intermediaries.
Practitioner
- I20081201000673Allergy/ImmunologyNY
Source: CMS PECOS public enrollment file.
Insurance & acceptsHow to confirm coverage.
The National Plan and Provider Enumeration System (NPPES) registry does not include commercial insurance network data, so we cannot show which plans Michael Marcus MD accepts. To confirm in-network status with your specific health plan, contact Michael Marcus MD directly at (718) 283-8260.
Frequently asked
Yes. NPI 1134114192 is registered as Active in the CMS NPPES public registry and passes the Luhn check-digit validation that all 10-digit NPIs use.
Pediatric Allergy/Immunology Physician is a recognised medical specialty under the National Uniform Claim Committee (NUCC) taxonomy.
The CMS NPPES Public Registry at npiregistry.cms.hhs.gov is the authoritative source. FindMyNPI mirrors this dataset and refreshes monthly. For real-time verification, you can also call the provider's office at (718) 283-8260.
An individual healthcare provider has a single Type-1 NPI for life. Organisations can hold separate Type-2 NPIs per location, specialty, or sub-entity. Michael Marcus MD is a Type-1 individual NPI.
As of the latest monthly CMS NPPES snapshot, 58 Pediatric Allergy/Immunology Physician providers are registered in New York, and Michael Marcus MD is one of them. The figure refreshes each month from the federal source.