MATTHEW ERIC WALSER MD
NPI 1861138307
Internal Medicine in Dallas, TX

Q: What is Matthew Walser's NPI number?

The NPI number for Matthew Walser is 1861138307. It was assigned to this individual provider in the NPPES registry on May 9, 2022.

Q: What is Matthew Walser's specialty?

The primary specialty registered for this NPI is Internal Medicine with taxonomy code 207R00000X.

Q: When was this NPI record last updated?

The NPPES record for Matthew Walser was last updated on June 5, 2025. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 16 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.

Active since May 09, 2022

6201 HARRY HINES BLVD, DALLAS, TX 75235(121) 463-3555 Get Directions Write a Review

NPPES record last updated: June 5, 2025. Verified against the NPPES registry weekly; last sync: October 04, 2026.

Record update history: Jun 5, 2025, May 9, 2022 (2 updates tracked since 2022).

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About Matthew Eric Walser Md NPPES

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

MATTHEW ERIC WALSER MD (NPI 1861138307) is an individual internal medicine provider in Dallas, Texas, licensed in Illinois (125080504) and active in the NPI registry since May 2022. He maintains a secondary practice location in Chicago.

NPPES Registry Identity

NPI1861138307

Entity TypeIndividualMale

Primary Taxonomy207R00000X

Provider Legal NameMATTHEW ERIC WALSERCredential: MD

Location Address6201 HARRY HINES BLVDDallas, TX 75235-5202

Mailing Address150 Harvester Dr Ste 300Burr Ridge, IL 60527-5965 · (773) 702-1150

Phone(121) 463-3555

Sole ProprietorYes

Enumeration DateMay 9, 2022

Last NPPES UpdateJune 5, 20252 updates tracked since enumeration

NPPES CertifiedJune 5, 2025

✔ NPI 1861138307 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses 2

★ Primary SpecialtyInternal MedicineAllopathic & Osteopathic Physicians

Taxonomy Code207R00000X

License✔ Licensed in IL · 125080504

Definition

A physician who provides long-term, comprehensive care in the office and the hospital, managing both common and complex illness of adolescents, adults and the elderly. Internists are trained in the diagnosis and treatment of cancer, infections and diseases affecting the heart, blood, kidneys, joints and digestive, respiratory and vascular systems. They are also trained in the essentials of primary care internal medicine, which incorporates an understanding of disease prevention, wellness, substance abuse, mental health and effective treatment of common problems of the eyes, ears, skin, nervous system and reproductive organs.

Also ListedStudent in an Organized Health Care Education/Training ProgramTaxonomy 390200000X

6201 HARRY HINES BLVD, Dallas, TX 75235

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Secondary Practice Location 1

Location 15841 S Maryland Ave # Mc1052Chicago, IL 60637-1443 · Phone (773) 702-6760

Other Providers at the Same Location NPPES 20

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

SARA A. HENNESSY M.D.

Surgery