Type 1 · Individual ✓ Active NPI ✓ Valid NPI checksum

Dr. Philip Joseph Alexander, M.D.

Thoracic Surgery (Cardiothoracic Vascular Surgery) Physician in Oak Lawn, IL · enumerated 2005 · practices at Cardiothoracic & Vascular Surgical Associates S C.

Data current as of Jul 13, 2026 · sourced from CMS NPPES

National Provider Identifier

1437159142

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Registry record

Entity type Individual (Type 1)

Name Dr. Philip Joseph Alexander

Credential M.D.

Sex Male

Practice address 4400 W 95th St Ste 308, Oak Lawn, IL, 60453

Phone (708) 346-4040

Fax (708) 346-3287

Enumeration date Jul 22, 2005

Last updated in NPPES Dec 15, 2021

Taxonomy & licenses

208G00000X Thoracic Surgery (Cardiothoracic Vascular Surgery) Physician Allopathic & Osteopathic Physicians · License 036103356 (IL) Primary

MD · Doctor of Medicine: A physician who completed medical school (allopathic medicine), residency training, and state licensure. About the MD credential

Other identifiers

Identifier	Type	State	Issuer
01618941	Other	IL	BCBS
200800780E	Medicaid	IN	-
F400339847	Other	IL	MEDICARE PTAN
200800780A	Medicaid	IN	-
200800780C	Medicaid	IL	-
036103356	Medicaid	IL	-

What is an NPI number?

A National Provider Identifier (NPI) is a unique 10-digit number that CMS assigns to every U.S. healthcare provider and organization under HIPAA. Type 1 NPIs identify individual providers; Type 2 NPIs identify organizations. The NPI appears on insurance claims, prescriptions, and credentialing paperwork, and never changes, even if the provider moves or changes specialty.

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Frequently asked questions

How do I verify Philip Alexander's NPI record?

Cross-check NPI 1437159142 against the official CMS registry at npiregistry.cms.hhs.gov. This page mirrors the same public NPPES data with a monthly snapshot.

Is NPI 1437159142 active?

Yes, as of the latest NPPES snapshot, NPI 1437159142 is active (record last updated 2021-12-15).

Other providers at this practice address

Browse all →

Patroklos Pappas Thoracic Surgery (Cardiothoracic Vascular Surgery) Physician · Oak Lawn, IL NPI 1265427942 Antone Tatooles Thoracic Surgery (Cardiothoracic Vascular Surgery) Physician · Oak Lawn, IL NPI 1477548170 Cardiothoracic & Vascular Surgical Associates S C Thoracic Surgery (Cardiothoracic Vascular Surgery) Physician · Oak Lawn, IL NPI 1780679407 Michael Frank Thoracic Surgery (Cardiothoracic Vascular Surgery) Physician · Oak Lawn, IL NPI 1427043017 Diana Evans Surgical Physician Assistant · Oak Lawn, IL NPI 1780670141 Henry Sullivan Thoracic Surgery (Cardiothoracic Vascular Surgery) Physician · Oak Lawn, IL NPI 1831157999 Annie Pauwaa Surgical Physician Assistant · Oak Lawn, IL NPI 1124069778 Eias Jweied Thoracic Surgery (Cardiothoracic Vascular Surgery) Physician · Oak Lawn, IL NPI 1720132210

Source: CMS NPPES (public data). Snapshot 2026-07-13. Provider record last updated 2021-12-15.