NPI age
20 years
Enumerated 2006-05-12
● Active
Type 1 · Individual
DR. Vellaiappan Somasundaram, MD
Somasundaram is 1 of 157 internal medicine providers in Frisco and 1 of 12343 in Texas.
Primary specialty
Internal Medicine
Plus 2 subspecialties
Licensed in
KY, TX
2 states
Status
Active
No deactivations on record
Last NPPES update
2026-02-04
Source: monthly bulk 2026-05
Sole proprietor
Yes
Solo practice on file
How this provider compares
Across 12343 active internal medicine providers in Texas.
NPI age
20 years
↑ 3 yr above median (17 yr)
State licenses
2 states
Top 88% — 12% of peers are multi-state
Subspecialties
1
In the 33% of peers with subspecialties
NPI lifetime · 2006 → 2026
2006-05Enumerated in NPPES
2006
2026
Where they practice
Practice location
8195 Custer Rd Ste 110
Frisco, TX 750353195
Mailing address
230 O Connor Ridge Blvd Ste 110
Irving, TX 750386513
Additional practice locations
2 secondary locations on file with NPPES.
Location 2
1630 W Prosper Trl Ste 430
Prosper, TX 750783742
Location 3
3224 I 30 Ste 137
Mesquite, TX 751502675
Specialties
-
Internal Medicine PrimaryA 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,...
-
Emergency MedicineAn emergency physician focuses on the immediate decision making and action necessary to prevent death or any further disability both in the pre-hospital setting by directing emergency medical technicians and in the emergency department....
Identifiers
| Type | Value | Notes |
|---|---|---|
| 05 (TX) | T9601 | |
| 01 (WV) | S0413253 | MEDICARE |
| 05 (KY) | 64013253 | |
| 01 (WV) | 6000592001 | MEDICAID |
Multi-state credentialing: Licensed in 2 states. Useful context for credentialers building cross-state provider networks.
Practice context
Part of a multi-provider practice. 3 other active providers share this practice address in NPPES.
Recently enumerated nearby: 4 new internal medicine providers have been added in Frisco in the last 180 days.
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Request a quote →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.