ROBERT RIORDAN MAC DONALD M.D. NPI 1861417156

NPI Information

  • NPI: 1861417156
  • Provider Name: ROBERT RIORDAN MAC DONALD, M.D.
  • Classification: Otolaryngology - 207Y00000X
  • Entity Type: Individual
  • PECOS Registration: Yes
  • Address: 4790 EXECUTIVE CENTRE PKWY
    SAINT PETERS, MO
    ZIP 63376
  • Phone: (636) 441-3100

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NPI Details

Robert Riordan Mac Donald, M.D. is an otolaryngology in Saint Peters, MO with 37 years of experience. The provider is an otolaryngologist-head and neck surgeon provides comprehensive medical and surgical care for patients with diseases and disorders that affect the ears, nose, throat, the respiratory and upper alimentary systems and related structures of the head and neck. An otolaryngologist diagnoses and provides medical and/or surgical therapy or prevention of diseases, allergies, neoplasms, deformities, disorders and/or injuries of the ears, nose, sinuses, throat, respiratory and upper alimentary systems, face, jaws and the other head and neck systems. Head and neck oncology, facial plastic and reconstructive surgery and the treatment of disorders of hearing and voice are fundamental areas of expertise. Robert Riordan Mac Donald, M.D. NPI is 1861417156. The provider is registered as an individual entity type.

The NPPES NPI record indicates the provider is a male.

Education
Medical School: WASHINGTON UNIVERSITY SCHOOL OF MEDICINE
Graduation Year:1989

The provider's business location address is:

4790 EXECUTIVE CENTRE PKWY
SAINT PETERS, MO
ZIP 63376-606
Phone: (636) 441-3100
Fax: (636) 441-6784

The NPI 1861417156 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.

  • Professional service for preparation and provision of 1 or more antigens (HCPCS:95165)
  • Test for allergy using allergenic extract (HCPCS:95004)
  • Test for allergy using allergenic extract injected into skin (HCPCS:95024)
  • Established patient office or other outpatient visit, 20-29 minutes (HCPCS:99213)
  • Professional service for multiple injections of allergen (HCPCS:95117)
  • Test to assess middle ear function (HCPCS:92567)
  • Comprehensive hearing and speech recognition test (HCPCS:92557)
  • Established patient office or other outpatient visit, 30-39 minutes (HCPCS:99214)
  • New patient office or other outpatient visit, 30-44 minutes (HCPCS:99203)
  • New patient office or other outpatient visit, 45-59 minutes (HCPCS:99204)
  • Removal of impacted ear wax (HCPCS:69210)
  • Diagnostic exam of voice box using a flexible endoscope (HCPCS:31575)
  • Injection, triamcinolone acetonide, not otherwise specified, 10 mg (HCPCS:J3301)
  • Ct scan of face without contrast (HCPCS:70486)
  • Exam of ear using a microscope (HCPCS:92504)
  • Injection of drug or substance under skin or into muscle (HCPCS:96372)
  • Complex control of nose bleed (HCPCS:30903)
  • Diagnostic exam of nasal passages using an endoscope (HCPCS:31231)
  • Upper gastrointestinal (GI) endoscopy for acid reflux (HCPCS:NAN12)

The enumeration date for this NPI number is 7/13/2006 and was last updated on 4/11/2012.

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
1207Y00000XOtolaryngologyMO103596MISSOURIYes

Other Identifiers

The following information regarding additional identifiers associated to this NPI record includes the other identifier number, identifier type, identifier state and issuer.

No. Other Provider Identifier Other Provider Identifier Type Other Provider Identifier State Other Provider Identifier Issuer
1G55018MEDICARE UPINMISSOURI
2004013490MEDICARE ID-TYPE UNSPECIFIEDMISSOURI

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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