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MESA PULMONARY GROUP, INC.
NPI 1821610874
Internal Medicine - Pulmonary Disease in Costa Mesa, CA

Active since May 13, 2020
136 BROADWAY, COSTA MESA, CA 92627(949) 873-5537(949) 837-5647 Get Directions Write a Review

NPPES record last updated: March 2, 2026. Verified against the NPPES registry weekly; last sync: August 02, 2026.

Record update history: Mar 2, 2026, Oct 9, 2024, Nov 10, 2022 and 2 more (5 updates tracked since 2020).

About Mesa Pulmonary Group, Inc. NPPES

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

MESA PULMONARY GROUP, INC. (NPI 1821610874) is a healthcare organization registered as a pulmonary disease in Costa Mesa, California and active in the NPI registry since May 2020. The organization lists Alexander J Sweidan, President/ceo, as its authorized official.

NPPES Registry Identity

NPI1821610874
Entity TypeOrganization
Primary Taxonomy207RP1001X
Legal Business NameMESA PULMONARY GROUP, INC.
Location Address136 BROADWAYCosta Mesa, CA 92627-2818
Mailing AddressP.o. Box 8500Newport Beach, CA 92658-8500 · (949) 873-5537 · Fax (949) 548-2575
Phone(949) 873-5537
Fax(949) 837-5647
Organization SubpartNo
Authorized OfficialAlexander J SweidanPresident/ceo · (310) 723-5303
Enumeration DateMay 13, 2020
Last NPPES UpdateMarch 2, 20265 updates tracked since enumeration
NPPES CertifiedMarch 2, 2026
✔ NPI 1821610874 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses 3

★ Primary SpecialtyInternal Medicine · Pulmonary DiseaseAllopathic & Osteopathic Physicians
Taxonomy Code207RP1001X
Definition
An internist who treats diseases of the lungs and airways. The pulmonologist diagnoses and treats cancer, pneumonia, pleurisy, asthma, occupational and environmental diseases, bronchitis, sleep disorders, emphysema and other complex disorders of the lungs.
Also ListedInternal MedicineTaxonomy 207R00000X
Also ListedInternal Medicine · Critical Care MedicineTaxonomy 207RC0200X
136 BROADWAY, Costa Mesa, CA 92627
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Other Identifiers 2

Other1265494835CA · Individual Npi
Other1790181311CA · Individual Npi

Group Practice 1

Group TaxonomyThis provider is a business group of one or more individual practitioners, who practice with different areas of specialization.193200000X MULTI-SPECIALTY GROUP

Other Providers at the Same Location NPPES 7

Providers registered at the same practice address, or within the immediate area, according to the NPPES registry.

THOMAS DIAMANT M D INC
Internal Medicine (Pulmonary Disease)
136 BROADWAY
COSTA MESA, CA 92627
Orange County (949) 873-5537
STRONGKIDS MEDICAL GROUP, INC.
Clinic/Center (Primary Care)
136 BROADWAY
COSTA MESA, CA 92627
Orange County (949) 873-5537
LAKSHMI SHUKLA MD
Internal Medicine (Pulmonary Disease)
136 BROADWAY
COSTA MESA, CA 92627
Orange County (949) 548-5111
CHILDRENS HOSPITAL OF ORANGE COUNTY
Clinic/Center (Primary Care)
136 BROADWAY
COSTA MESA, CA 92627
Orange County (714) 589-4861
ALEXANDER JACOB SWEIDAN MD
Internal Medicine (Pulmonary Disease)
136 BROADWAY
COSTA MESA, CA 92627
Orange County (949) 873-5537
DR. LAKSHAY JAIN MD
Internal Medicine (Pulmonary Disease)
136 BROADWAY
COSTA MESA, CA 92627
Orange County (949) 873-5537
THOMAS JOSEPH DIAMANT MD
Internal Medicine (Pulmonary Disease)
136 BROADWAY
COSTA MESA, CA 92627
Orange County (949) 873-5537

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 Mesa Pulmonary Group, Inc.'s NPI number?

The NPI number for Mesa Pulmonary Group, Inc. is 1821610874. It was assigned to this organization in the NPPES registry on May 13, 2020.

Where is Mesa Pulmonary Group, Inc. located?

Mesa Pulmonary Group, Inc. is located at 136 Broadway, Costa Mesa, CA 92627. The listed phone number is (949) 873-5537.

What is Mesa Pulmonary Group, Inc.'s specialty?

The primary specialty registered for this NPI is Internal Medicine, specializing in Pulmonary Disease, with taxonomy code 207RP1001X.

When was this NPI record last updated?

The NPPES record for Mesa Pulmonary Group, Inc. was last updated on March 2, 2026. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 5 months 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.