Physician Profile
Unclaimed ProfileAbout JOHNSTON
Stephen Johnston, MD is a healthcare provider in Dallas, TX specializing in cardiovascular disease (cardiology). Stephen trained at University of Texas Medical School at San Antonio, graduating in 1981. Stephen is also listed as specializing in cardiovascular disease. Medicare claims data shows Stephen provided 1,145 services to 1,016 patients.
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
- (972) 993-5040
- Email not available
Practice Locations
8222 DOUGLAS AVE STE 600
Dallas, TX 75225
Procedures Most Often Billed to Medicare
1,145 services · 1,016 patients · 17 distinct codes
| Procedure | Type | Code | Services |
|---|---|---|---|
| Insertion of needle into vein for collection of blood sample | Procedure | 36415 |
82 |
| Ultrasound of heart with color-depicted blood flow, rate, direction and valve function | Treatment | 93306 |
118 |
| Routine electrocardiogram (ecg) using at least 12 leads with interpretation and report | Treatment | 93000 |
30 |
| Ultrasound of heart with continuous electrocardiogram (ecg) during rest, exercise and/or drug induced stress with review and report | Treatment | 93351 |
21 |
| Ultrasound of heart with color-depicted blood flow, rate and valve function | Treatment | 93325 |
21 |
| Ultrasound of heart blood flow, valves and chambers | Treatment | 93320 |
21 |
| Heart rhythm recording, analysis, report, review, and interpretation of continous external ekg over more than 48 hours up to 7 days | Treatment | 93241 |
17 |
| Established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more | Office visit | 99214 |
366 |
| Established patient office or other outpatient visit with low level od decision making, if using time, 20 minutes or more | Office visit | 99213 |
275 |
| Blood test, lipids (cholesterol and triglycerides) | Lab test | 80061 |
49 |
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.
Other cardiovascular diseases in Dallas 8
Same specialty, same city.
Trained at University of Texas Medical School at San Antonio 8
Other providers in the same specialty who trained at the same institution.
More connections — 16 related providers in 2 groups
Class of 1981 at University of Texas Medical School at San Antonio 8
Providers who graduated from the same medical school in the same year.
Also performs Insertion of needle into vein for collection of blood sample 8
Providers in TX who bill this service to Medicare most often.
- Quest Diagnostics Clinical Laboratories INC
- Clinical Pathology Laboratories, INC.
- Quest Diagnostics Clinical Laboratories INC
- Laboratory Corporation of America
- Laboratory Corporation of America
- Lone Star Pathology PLLC
- Medical Clinic of Houston, LLP
- The University of Texas Southwestern Medical Center at Dallas
Common questions
What kind of doctor is Dr. Johnston?
Dr. Johnston is a cardiovascular disease (cardiology) in Dallas, TX. This is the primary taxonomy recorded against the NPI in the federal registry, listed there as “CARDIOVASCULAR DISEASE (CARDIOLOGY)”.
NPI registry
What is Dr. Johnston's address?
Dr. Johnston is listed at 8222 DOUGLAS AVE STE 600, Dallas, TX 75225. 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. Johnston?
The number on file is (972) 993-5040. Guide.md cannot book appointments or pass on messages — please call the office directly.
NPI registry
What is the NPI for Dr. Johnston?
Dr. Johnston's National Provider Identifier is 1831163153. 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. Johnston train?
Dr. Johnston attended University of Texas Medical School at San Antonio, graduating in 1981. This comes from the CMS National Downloadable File.
CMS public data
How much experience does Dr. Johnston have?
Dr. Johnston has 45 years experience. Calculated from a graduation year of 1981, reported in the CMS National Downloadable File.
CMS public data
What procedures does Dr. Johnston perform?
According to Medicare billing data, Dr. Johnston performs procedures including insertion of needle into vein for collection of blood sample; provides treatments such as ultrasound of heart with color-depicted blood flow, rate, direction and valve function and routine electrocardiogram using at least 12 leads with interpretation and report, alongside routine visits and testing. This reflects Medicare patients only and is billing volume, not a measure of quality.
Medicare claims
Is Dr. Johnston's profile verified?
Not yet. This profile is built from public federal data and has not been confirmed by Dr. Johnston. 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.