Type 1 · Individual ✓ Active NPI ✓ Valid NPI checksum

Mark Edward Alexander, MD

Pediatric Cardiology Physician in Scarborough, ME · enumerated 2005.

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

National Provider Identifier

1013907666

Verified

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Registry record

Entity type Individual (Type 1)

Name Mark Edward Alexander

Credential MD

Sex Male

Practice address 71 Us Route 1 Ste C, Scarborough, ME, 04074

Phone (207) 883-5532

Fax (207) 883-5552

Enumeration date Oct 25, 2005

Last updated in NPPES Feb 23, 2026

Taxonomy & licenses

2080P0202X Pediatric Cardiology Physician Allopathic & Osteopathic Physicians · License 77492 (MA) Secondary

207RC0001X Clinical Cardiac Electrophysiology Physician Allopathic & Osteopathic Physicians · License 77492 (MA) Secondary

207RC0001X Clinical Cardiac Electrophysiology Physician Allopathic & Osteopathic Physicians · License MD22858 (ME) Secondary

208000000X Pediatrics Physician Allopathic & Osteopathic Physicians · License MD22858 (ME) Secondary

207RA0002X Adult Congenital Heart Disease Physician Allopathic & Osteopathic Physicians · License MD22858 (ME) Secondary

2080P0202X Pediatric Cardiology Physician Allopathic & Osteopathic Physicians · License MD22858 (ME) 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
3183467	Medicaid	MA	-

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.

Read the full guide → Validate an NPI →

Frequently asked questions

What is the NPI number for Mark Alexander?

The National Provider Identifier (NPI) for Mark Alexander is 1013907666, a Type 1 (individual) record in the CMS NPPES registry.

Where does Mark Alexander practice?

The practice location on file with NPPES is in Scarborough, ME. Providers can have multiple locations; NPPES lists the primary practice address.

Other providers at this practice address

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Source: CMS NPPES (public data). Snapshot 2026-07-13. Provider record last updated 2026-02-23.