NPI age
14 years
Enumerated 2012-02-29
● Active Type 2 · Organization
Tommy C. Sim, M.d., P.A.
Tommy C. Sim, M.d., P.A. is 1 of 506 allergy & immunology organizations in Texas.
Primary specialty
Allergy & Immunology
Practice locations
1
0 secondary on file
Status
Active
No deactivations on record
Authorized official
Grisham
Office Manager
Last NPPES update
2012-02-29
Source: monthly bulk 2026-05
How this organization compares
Across 506 active allergy & immunology providers in Texas.
NPI age
14 years
↓ 5 yr below median
Practice locations
1
0 secondary on file
Subspecialties
0
NPI lifetime · 2012 → 2026
2012-02Enumerated in NPPES
2012
2026
Where they practice
Primary practice location
357 E Parkwood Ave
Friendswood, TX 775465147
Mailing address
357 E Parkwood Ave
Friendswood, TX 775465147
Authorized official
Karen Grisham
Office Manager
📞 2819923274
Individual providers at this organization
2 individual providers on file at this primary practice address.
- Lindsay Jones, NP Family Medicine NPI 1326607847
- Tommy Sim, M.D. Allergy & Immunology NPI 1306872353
Specialties
-
Allergy & Immunology PrimaryAn allergist-immunologist is trained in evaluation, physical and laboratory diagnosis, and management of disorders involving the immune system. Selected examples of such conditions include asthma, anaphylaxis, rhinitis, eczema, and...
Identifiers
| Type | Value | Notes |
|---|---|---|
| 05 (TX) | 123931101 |
Practice context
Multi-provider organization. 2 individual providers on file at this primary address.
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- Confirm the NPI on NPPES.The CMS registry is the system of record. Open NPPES →
- Verify the organization is in good standing.Cross-check with the state's business registration and any applicable licensing boards.
- Confirm payer enrollment if billing.NPI presence does not guarantee active enrollment with Medicare, Medicaid, or commercial payers.