● Active Type 1 · Individual

DR. Ragavan Mahadevan, MD

Psychiatry & Neurology·Houston, TX· NPI 1194955542 · Enumerated 2009 · 16 years on NPI

Mahadevan is 1 of 876 psychiatry & neurology providers in Houston and 1 of 4391 in Texas.

NPI age

16 years

Enumerated 2009-07-20

Primary specialty

Psychiatry & Neurology

Plus 2 subspecialties

Licensed in

TX, CA, AZ

3 states

Status

Active

No deactivations on record

Last NPPES update

2025-06-16

Source: monthly bulk 2026-05

Sole proprietor

May be part of a larger org

How this provider compares

Across 4391 active psychiatry & neurology providers in Texas.

NPI age

16 years

≈ at median (16 yr)

State licenses

3 states

Top 87% — 12% of peers are multi-state

Subspecialties

34% of peers hold subspecialties

NPI lifetime · 2009 → 2026

2009-07Enumerated in NPPES

2009 2026

Where they practice

Practice location

5550 Kelley St

Houston, TX 770261818

📞 3465628625

Mailing address

1941 East Rd

Houston, TX 770546010

Additional practice locations

1 secondary location on file with NPPES.

Location 2

8810 Highway 6, Suite 100

Missouri City, TX 774597104

📞 7134861200

Specialties

Allopathic & Osteopathic Physicians › Psychiatry & Neurology

Psychiatry & Neurology Primary

A Psychiatrist specializes in the prevention, diagnosis, and treatment of mental disorders, emotional disorders, psychotic disorders, mood disorders, anxiety disorders, substance-related disorders, sexual and gender identity disorders...

TX license #Q1856CA license #142419AZ license #49055 taxonomy 2084P0800X

Practice context

Part of a multi-provider practice. 8 other active providers share this practice address in NPPES.

Recently enumerated nearby: 10 new psychiatry & neurology providers have been added in Houston 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.