● Active Type 1 · Individual

DR. Michael I Nahhas, M.D.

Psychiatry & Neurology·Houston, TX· NPI 1427431469 · Enumerated 2015 · 10 years on NPI

Nahhas is 1 of 38 psychiatry & neurology providers in Houston and 1 of 85 in Texas.

NPI age

10 years

Enumerated 2015-07-08

Primary specialty

Psychiatry & Neurology

Plus 3 subspecialties

Licensed in

TX, GA, SC

3 states

Status

Active

No deactivations on record

Last NPPES update

2023-12-15

Source: monthly bulk 2026-05

Sole proprietor

May be part of a larger org

How this provider compares

Across 85 active psychiatry & neurology providers in Texas.

NPI age

10 years

↓ 3 yr below median (13 yr)

State licenses

3 states

Top 70% — 29% of peers are multi-state

Subspecialties

In the 74% of peers with subspecialties

NPI lifetime · 2015 → 2026

2015-07Enumerated in NPPES

2015 2026

Where they practice

Practice location

6431 Fannin St

Houston, TX 770301501

📞 7135007019

Mailing address

6431 Fannin St, Msb 7.044

Houston, TX 77030

📞 7135007019

Additional practice locations

2 secondary locations on file with NPPES.

Location 2

96 Jonathan Lucas St

Charleston, SC 294258900

📞 8437921414

Location 3

1120 15th St

Augusta, GA 309120004

📞 7067214581

Specialties

Allopathic & Osteopathic Physicians › Psychiatry & Neurology

Psychiatry & Neurology Primary

Vascular Neurology is a subspecialty in the evaluation, prevention, treatment and recovery from vascular diseases of the nervous system. This subspecialty includes the diagnosis and treatment of vascular events of arterial or venous...

TX license #S6697SC license #82255 taxonomy 2084V0102X
Psychiatry & Neurology

A Neurologist specializes in the diagnosis and treatment of diseases or impaired function of the brain, spinal cord, peripheral nerves, muscles, autonomic nervous system, and blood vessels that relate to these structures.

GA license #007921TX license #S6697 taxonomy 2084N0400X

Practice context

Part of a multi-provider practice. 854 other active providers share this practice address in NPPES.

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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.