Physician Profile
Unclaimed ProfileAbout WILLIS
Roger Willis, M.D. is a healthcare provider in San Antonio, TX specializing in emergency medicine. Medicare claims data shows Roger provided 415 services to 382 patients.
Summarised automatically from public NPI registry and CMS Medicare data. Not written or reviewed by this provider. Claim this profile to replace it.
Areas of Expertise
Licensing & Certification
Source: NPPES NPI Registry
Contact Information
- (210) 558-6288
- Email not available
Practice Locations
8026 FLOYD CURL
San Antonio, TX 78229
Procedures Most Often Billed to Medicare
415 services · 382 patients · 3 distinct codes
| Procedure | Type | Code | Services |
|---|---|---|---|
| Routine electrocardiogram (ecg) using at least 12 leads with interpretation and report only | Treatment | 93010 |
83 |
| Emergency department visit with high level of medical decision making | Office visit | 99285 |
175 |
| Emergency department visit with moderate level of medical decision making | Office visit | 99284 |
157 |
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.
Other emergency physicians at this location 2
Same specialty, same street address — most likely the same department or group.
Also at this address 4
Providers at the same street address. Each files their own registry entry, so a shared practice often appears under several different names.
Other emergency physicians in San Antonio 8
Same specialty, same city.
More connections — 8 related providers in 1 group
Also performs Routine electrocardiogram (ecg) using at least 12 leads with interpretation and report only 8
Providers in TX who bill this service to Medicare most often.
Common questions
What kind of doctor is Dr. Willis?
Dr. Willis is an emergency physician in San Antonio, TX. This is the primary taxonomy recorded against the NPI in the federal registry, listed there as “Emergency Medicine”.
NPI registry
What is Dr. Willis's address?
Dr. Willis is listed at 8026 FLOYD CURL, San Antonio, TX 78229. 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. Willis?
The number on file is (210) 558-6288. Guide.md cannot book appointments or pass on messages — please call the office directly.
NPI registry
What is the NPI for Dr. Willis?
Dr. Willis's National Provider Identifier is 1386683423. 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. Willis have?
Dr. Willis 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. Willis perform?
According to Medicare billing data, Dr. Willis provides treatments such as routine electrocardiogram using at least 12 leads with interpretation and report only, alongside routine visits and testing. This reflects Medicare patients only and is billing volume, not a measure of quality.
Medicare claims
Is Dr. Willis's profile verified?
Not yet. This profile is built from public federal data and has not been confirmed by Dr. Willis. If this is you, claiming it is free.
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Claim this profileProvider data sourced from the NPPES NPI Registry and CMS public datasets. Information is provided for reference and is not medical advice.