Physician Profile
Unclaimed ProfileAbout WALDER
Lon Andrew Walder, D.O. practices interventional cardiology in Eagle Pass, TX. Lon is a 1986 graduate of Oklahoma State University College of Osteopathic Medicine. Lon is also listed as specializing in cardiovascular disease. According to Medicare claims data, Lon cared for 132 Medicare patients across 145 services.
Summarised automatically from public NPI registry and CMS Medicare data. Not written or reviewed by this provider. Claim this profile to replace it.
Education & Training
Areas of Expertise
Licensing & Certification
Source: NPPES NPI Registry
Contact Information
- (830) 872-3460
- Email not available
Practice Locations
4018 EL INDIO HWY
Eagle Pass, TX 78852
Procedures Most Often Billed to Medicare
145 services · 132 patients · 4 distinct codes
| Procedure | Type | Code | Services |
|---|---|---|---|
| Routine electrocardiogram (ecg) using at least 12 leads with interpretation and report only | Treatment | 93010 |
55 |
| Ultrasound of heart with color-depicted blood flow, rate, direction and valve function | Treatment | 93306 |
37 |
| Initial hospital care with moderate level of medical decision making, if using time, at least 75 minutes | Office visit | 99223 |
32 |
| Subsequent hospital care with moderate levelof medical decision making, if using time, at least 50 minutes | Office visit | 99233 |
21 |
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 4
Providers at the same street address. Each files their own registry entry, so a shared practice often appears under several different names.
Trained at Oklahoma State University College of Osteopathic Medicine 8
Other providers in the same specialty who trained at the same institution.
Class of 1986 at Oklahoma State University College of Osteopathic Medicine 8
Providers who graduated from the same medical school in the same year.
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 does Dr. Walder specialize in?
Dr. Walder is an interventional cardiology in Eagle Pass, TX. This is the primary taxonomy recorded against the NPI in the federal registry, listed there as “INTERVENTIONAL CARDIOLOGY”.
NPI registry
Where is Dr. Walder located?
Dr. Walder is listed at 4018 EL INDIO HWY, Eagle Pass, TX 78852. Addresses come from the NPI registry and can lag a move, so confirm before travelling.
NPI registry
What is Dr. Walder's phone number?
The number on file is (830) 872-3460. Guide.md cannot book appointments or pass on messages — please call the office directly.
NPI registry
What is Dr. Walder's NPI number?
Dr. Walder's National Provider Identifier is 1184674822. 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
Where did Dr. Walder go to medical school?
Dr. Walder attended Oklahoma State University College of Osteopathic Medicine, graduating in 1986. This comes from the CMS National Downloadable File.
CMS public data
How long has Dr. Walder been practicing?
Dr. Walder has 40 years experience. Calculated from a graduation year of 1986, reported in the CMS National Downloadable File.
CMS public data
What does Dr. Walder do most often?
According to Medicare billing data, Dr. Walder provides treatments such as routine electrocardiogram using at least 12 leads with interpretation and report only and ultrasound of heart with color-depicted blood flow, rate, direction and valve function, alongside routine visits and testing. This reflects Medicare patients only and is billing volume, not a measure of quality.
Medicare claims
Has Dr. Walder confirmed this information?
Not yet. This profile is built from public federal data and has not been confirmed by Dr. Walder. 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.