● Active Type 1 · Individual

DR. Jeremy Louissaint, M.D.

Internal Medicine·Dallas, TX· NPI 1700267879 · Enumerated 2015 · 10 years on NPI

Louissaint is 1 of 179 internal medicine providers in Dallas and 1 of 1807 in Texas.

NPI age

10 years

Enumerated 2015-06-15

Primary specialty

Internal Medicine

Plus 2 subspecialties

Licensed in

TX, MO, NY

3 states

Status

Active

No deactivations on record

Last NPPES update

2022-08-01

Source: monthly bulk 2026-05

Sole proprietor

Yes

Solo practice on file

How this provider compares

Across 1807 active internal medicine providers in Texas.

NPI age

10 years

↓ 9 yr below median (19 yr)

State licenses

3 states

Top 83% — 17% of peers are multi-state

Subspecialties

In the 35% of peers with subspecialties

NPI lifetime · 2015 → 2026

2015-06Enumerated in NPPES

2015 2026

Where they practice

Practice location

6201 Harry Hines Blvd

Dallas, TX 753903720

📞 2146335555

Mailing address

Po Box 845347

Dallas, TX 752847208

Specialties

Allopathic & Osteopathic Physicians › Internal Medicine

Internal Medicine Primary

An internist who specializes in diagnosis and treatment of diseases of the digestive organs including the stomach, bowels, liver and gallbladder. This specialist treats conditions such as abdominal pain, ulcers, diarrhea, cancer and...

TX license #T6952NY license #308785-01 taxonomy 207RG0100X
Internal Medicine

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,...

MO license #2015017601 taxonomy 207R00000X

Practice context

Part of a multi-provider practice. 449 other active providers share this practice address in NPPES.

Recently enumerated nearby: 2 new internal medicine providers have been added in Dallas in the last 180 days. See all →

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How to verify this provider

Confirm the NPI on NPPES.The CMS registry is the system of record. Open NPPES →
Check the state license is currently active.State licensing boards publish current status; NPPES does not.
Confirm payer enrollment if billing.NPI presence does not guarantee active enrollment with Medicare, Medicaid, or commercial payers.