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MICHAEL J. O'LEARY, M.D., INC.
NPI 1043377245
Otolaryngology - Otology & Neurotology in San Diego, CA

Active since January 03, 2007
3590 CAMINO DEL RIO N, STE 101, SAN DIEGO, CA 92108(619) 229-4903 Get Directions Write a Review

NPPES record last updated: September 6, 2024. Verified against the NPPES registry weekly; last sync: October 25, 2026.

Record update history: Sep 6, 2024, Feb 27, 2017, Dec 18, 2015 (3 updates tracked since 2015).

About Michael J. O'leary, M.d., Inc. NPPES

Official registry information on file with the National Plan and Provider Enumeration System.

MICHAEL J. O'LEARY, M.D., INC. (NPI 1043377245) is a healthcare organization registered as an otology & neurotology in San Diego, California and active in the NPI registry since January 2007. The organization lists Michael J. O'leary, President, as its authorized official.

NPPES Registry Identity

NPI1043377245
Entity TypeOrganization
Primary Taxonomy207YX0901X
Legal Business NameMICHAEL J. O'LEARY, M.D., INC.
Location Address3590 CAMINO DEL RIO N, STE 101San Diego, CA 92108-1716
Mailing Address3590 Camino Del Rio Norte, Ste 101San Diego, CA 92108-1707 · (619) 742-6587 · Fax (619) 367-0398
Phone(619) 229-4903
Organization SubpartNo
Authorized OfficialMichael J. O'learyPresident · (619) 742-6587
Enumeration DateJanuary 3, 2007
Last NPPES UpdateSeptember 6, 20243 updates tracked since enumeration
NPPES CertifiedSeptember 6, 2024
✔ NPI 1043377245 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyOtolaryngology · Otology & NeurotologyAllopathic & Osteopathic Physicians
Taxonomy Code207YX0901X
License✔ Licensed in CA · G56751
Definition
An otolaryngologist who treats diseases of the ear and temporal bone, including disorders of hearing and balance. The additional training in otology and neurotology emphasizes the study of embryology, anatomy, physiology, epidemiology, pathophysiology, pathology, genetics, immunology, microbiology and the etiology of diseases of the ear and temporal bone.
3590 CAMINO DEL RIO N, San Diego, CA 92108
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Other Identifiers 1

Medicaid00G567510CA

Group Practice 1

Group TaxonomyThis provdier is a business group of one or more individual practitioners, all of who practice with the same area of specialization.193400000X SINGLE SPECIALTY GROUP

Medicare Participation & PECOS CMS

Medicare enrollment and the clinicians who bill Medicare through this organization, from CMS.

Medicare Enrollment Status

✔

Enrolled in Medicare (PECOS)

Michael J. O'leary, M.d., Inc. is registered in the CMS Provider Enrollment, Chain and Ownership System (PECOS).

Clinicians Billing Medicare Through This Organization

Medicare enrollment records show 1 clinician reassigns Medicare billing to Michael J. O'leary, M.D., Inc., which bills Medicare for the services this clinician delivers.

Clinician (1)

Michael Oleary, M.D.
Otolaryngology
NPI 1417986613
3590 CAMINO DEL RIO N STE 101
San Diego, CA 92108
(619) 229-4903
✔ PECOSSame address

Source: CMS Revalidation Reassignment List, October 2026 release. Reassignment records can lag staffing changes; confirm a current affiliation with the organization.

Frequently Asked Questions NPPES & CMS

Common questions about this NPI record, answered from the official NPPES registry and CMS datasets shown on this page.

What is Michael J. O'leary, M.D., Inc.'s NPI number?

The NPI number for Michael J. O'leary, M.D., Inc. is 1043377245. It was assigned to this organization in the NPPES registry on January 3, 2007.

Where is Michael J. O'leary, M.D., Inc. located?

Michael J. O'leary, M.D., Inc. is located at 3590 Camino Del Rio N Ste 101, San Diego, CA 92108. The listed phone number is (619) 229-4903.

What is Michael J. O'leary, M.D., Inc.'s specialty?

The primary specialty registered for this NPI is Otolaryngology, specializing in Otology & Neurotology, with taxonomy code 207YX0901X.

Is Michael J. O'leary, M.D., Inc. enrolled in Medicare?

Yes. Michael J. O'leary, M.D., Inc. is registered in the Medicare PECOS enrollment system.

How many clinicians bill Medicare through Michael J. O'leary, M.D., Inc.?

According to the CMS Revalidation Reassignment List (October 2026 release), 1 clinician (Otolaryngology) reassigns their Medicare billing to Michael J. O'leary, M.D., Inc.. A reassignment is filed with Medicare on form CMS-855R, signed by both the clinician and the organization, and lets the organization bill Medicare and receive payment for the clinician's services. Reassignment records can lag staffing changes; confirm a current affiliation with the organization.

When was this NPI record last updated?

The NPPES record for Michael J. O'leary, M.D., Inc. was last updated on September 6, 2024. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 2 years ago. If this record has changed at CMS more recently, you can request an on-demand re-check against the live CMS registry, directly from this page.