MIREILLE EL HAYEK M.D. NPI 1912139940

NPI Information

  • NPI: 1912139940
  • Provider Name: MIREILLE EL HAYEK, M.D.
  • Classification: Internal Medicine - 207RE0101X
  • Specialization: Endocrinology, Diabetes & Metabolism
  • Entity Type: Individual
  • PECOS Registration: Yes
  • Address: 2315 DOUGHERTY FERRY ROAD
    SUITE 109B
    SAINT LOUIS, MO
    ZIP 63122
  • Phone: (314) 965-9133

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NPI Details

Mireille El Hayek, M.D. is an endocrinology and diabetes and metabolism internal medicine in Saint Louis, MO with 19 years of experience. The provider is an internist who concentrates on disorders of the internal (endocrine) glands such as the thyroid and adrenal glands. This specialist also deals with disorders such as diabetes, metabolic and nutritional disorders, obesity, pituitary diseases and menstrual and sexual problems. Mireille El Hayek, M.D. NPI is 1912139940. The provider is registered as an individual entity type.

The NPPES NPI record indicates the provider is a female.

The provider's business location address is:

2315 DOUGHERTY FERRY ROAD
SUITE 109B
SAINT LOUIS, MO
ZIP 63122-383
Phone: (314) 965-9133
Fax: (314) 984-2793

The NPI 1912139940 is registered in the Medicare Provider, Enrollment, Chain and Ownership System (PECOS). The provider is legally eligible to order and refer Part B (Clinical Laboratory and Imaging), Durable Medical Equipment, Part A Home Health Agency (HHA), Power Mobility Devices.

The following top HCPCS codes were publicly reported for this provider under the Medicare program for the year 2016. The reported codes are based on the top codes for each available Medicare specialty, excluding evaluation and management codes.

  • Established patient office or other outpatient visit, 30-39 minutes (HCPCS:99214)
  • Hemoglobin a1c level (HCPCS:83036)
  • Established patient office or other outpatient visit, 20-29 minutes (HCPCS:99213)
  • New patient office or other outpatient visit, 45-59 minutes (HCPCS:99204)
  • Telephone medical discussion with physician, 11-20 minutes (HCPCS:99442)

The enumeration date for this NPI number is 8/8/2009 and was last updated on 10/23/2023.

Taxonomy Codes

The NPI record includes the healthcare provider taxonomy classification, state license number and state of licensure. The following information regarding the scope of practice of this provider is available:

No. Taxonomy Code Taxonomy Clasification Taxonomy Specialization License Number License State Primary
1207RE0101XInternal MedicineEndocrinology, Diabetes & Metabolism2015023837MISSOURINo
2207RE0101XInternal MedicineEndocrinology, Diabetes & Metabolism036142174ILLINOISYes

What is NPI?

NPI stands for National Provider Identifier. The NPI is a 10-digit identification number that is completely unique. The NPI number by itself does not contain any identifiable information such as a provider’s speciality or location. The NPI is assigned to individuals or organizacions for their lifespan and it is independent of key provider information type updates like a change of practices, location or speciality.

This page was last updated on: 11/21/2025

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