Physician Profile
Tommy Chua Sim, M.D.
Unclaimed ProfileAbout Dr. Sim
Tommy Chua Sim, M.D. practices allergy in Friendswood, TX. Medicare claims data shows Tommy provided 3,204 services to 280 patients.
Summarised automatically from public NPI registry and CMS Medicare data. Not written or reviewed by this provider. Claim this profile to replace it.
Specialty
Credentials & Licensing
Source: NPPES NPI Registry
Contact Information
- (281) 992-3274
- Email not available
Practice Locations
357 E PARKWOOD AVE
Friendswood, TX 77546
Procedures Most Often Billed to Medicare
3,204 services · 280 patients · 8 distinct codes
| Procedure | Type | Code | Services |
|---|---|---|---|
| Test for allergy using allergenic extract | Treatment | 95004 |
1,028 |
| Professional service for preparation and provision of 1 or more antigens | Treatment | 95165 |
910 |
| Professional service for preparation and provision of single-dose vial of allergen | Treatment | 95144 |
763 |
| Test for allergy using allergenic extract injected into skin | Treatment | 95024 |
200 |
| Test to measure expiratory airflow and volume | Treatment | 94010 |
17 |
| Established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more | Office visit | 99214 |
226 |
| Established patient office or other outpatient visit with low level od decision making, if using time, 20 minutes or more | Office visit | 99213 |
41 |
| New patient office or other outpatient visit with moderate level of medical decision making, if using time, 45 minutes or more | Office visit | 99204 |
19 |
Source: CMS Medicare public data. Shows how often procedures were billed — not quality of care or patient satisfaction.
Related providers
Connections drawn from the registry and from what providers have told us. A link here is not a referral or an endorsement.
Also at this address 3
Providers at the same street address. Each files their own registry entry, so a shared practice often appears under several different names.
Also performs Test for allergy using allergenic extract 8
Providers in TX who bill this service to Medicare most often.
Common questions
What kind of doctor is Dr. Sim?
Dr. Sim is an allergy in Friendswood, TX. This is the primary taxonomy recorded against the NPI in the federal registry, listed there as “Allergy”.
NPI registry
What is Dr. Sim's address?
Dr. Sim is listed at 357 E PARKWOOD AVE, Friendswood, TX 77546. Addresses come from the NPI registry and can lag a move, so confirm before travelling.
NPI registry
How can I make an appointment with Dr. Sim?
The number on file is (281) 992-3274. Guide.md cannot book appointments or pass on messages — please call the office directly.
NPI registry
What is the NPI for Dr. Sim?
Dr. Sim's National Provider Identifier is 1306872353. It is issued by the Centers for Medicare & Medicaid Services and is unique and permanent — it does not change if they move practice.
NPI registry
How much experience does Dr. Sim have?
Dr. Sim has 20+ years experience. Registered with an NPI since 2006. National Provider Identifiers only began in 2005, so a provider who qualified earlier may have practiced for longer than this.
NPI registry
What procedures does Dr. Sim perform?
According to Medicare billing data, Dr. Sim provides treatments such as test for allergy using allergenic extract and professional service for preparation and provision of 1 or more antigens, alongside routine visits and testing. This reflects Medicare patients only and is billing volume, not a measure of quality.
Medicare claims
Is Dr. Sim's profile verified?
Not yet. This profile is built from public federal data and has not been confirmed by Dr. Sim. If this is you, claiming it is free.
Guide.md
Is this your profile?
Verify your identity to control how patients — and AI assistants — describe you.
Claim this profileProvider data sourced from the NPPES NPI Registry and CMS public datasets. Information is provided for reference and is not medical advice.