Physician Profile
Based in Richardson, TX, Walter S. Johnston, M.D. is listed in the NPI registry under surgery. Walter graduated from University of Texas Southwestern Medical School at Dallas in 1992. According to Medicare claims data, Walter cared for 335 Medicare patients across 444 services. The services billed most often include subsequent hospital care with moderate levelof medical decision making, if using time, at least 35 minutes, initial hospital care with straightforward or low-level medical decision making, if using time, at least 55 minutes, and established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more.
Summarised automatically from public NPI registry and CMS Medicare data. Not written or reviewed by this provider. Claim this profile to replace it.
License numbers are what the provider reported to NPPES when the NPI was issued or updated. NPPES does not verify licensure; confirm current standing with the state licensing board.
3600 SHIRE BLVD STE 104
Richardson, TX 75082
Within Surgery (Unspecified) generally. Availability varies by clinician, training and location — this profile has not been claimed, so nothing here is a personal claim by the provider.
Most searched conditions
Breast conditions
Cancer
Colorectal
Digestive
Digestive & blood
Digestive health
Endocrine
Infections
Lumps & bumps
Lymphatic
Minor surgery
Skin & scars
Skin & soft tissue
Skin cancer
Vascular
Weight & metabolism
Wound care
Wounds
Most searched procedures
Abdominal
Abdominal surgery
Bariatric
Breast surgery
Cancer
Cancer surgery
Colorectal
Consultations
Diagnostic
Digestive
Digestive health
Endocrine
Infections
Minor surgery
Post-op care
Reconstruction
Skin & soft tissue
Skin cancer
Vascular
Vascular & cancer
Weight loss
Wound care
Wounds
444 services · 335 patients · 6 distinct codes
| Procedure | Type | Code | Services |
|---|---|---|---|
| Removal of gallbladder with x-ray study of bile ducts using an endoscope | Procedure | 47563 |
11 |
| Subsequent hospital care with moderate levelof medical decision making, if using time, at least 35 minutes | Office visit | 99232 |
150 |
| Initial hospital care with straightforward or low-level medical decision making, if using time, at least 55 minutes | Office visit | 99222 |
102 |
| Established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more | Office visit | 99214 |
69 |
| New patient office or other outpatient visit with low level of medical decision making, if using time, 30 minutes or more | Office visit | 99203 |
58 |
| Established patient office or other outpatient visit with low level od decision making, if using time, 20 minutes or more | Office visit | 99213 |
54 |
Source: CMS Medicare public data. Shows how often procedures were billed — not quality of care or patient satisfaction.
Walter S. Johnston is a general surgeon in Richardson, TX. That is the designation recorded for this NPI in the federal registry, where it is listed as “Surgery”.
NPI registry
Walter S. Johnston is listed at 3600 Shire Blvd Ste 104, Richardson, TX 75082. Addresses come from the NPI registry and can lag a move, so confirm before travelling.
NPI registry
The number on file is (972) 487-6400. Guide.md cannot book appointments or pass on messages — please call the office directly.
NPI registry
Walter S. Johnston's National Provider Identifier is 1558312504. 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
Walter S. Johnston attended University of Texas Southwestern Medical School at Dallas, graduating in 1992. This comes from the CMS National Downloadable File.
CMS public data
Walter S. Johnston has 34 years experience. Calculated from a graduation year of 1992, reported in the CMS National Downloadable File.
CMS public data
According to Medicare billing data, Walter S. Johnston performs procedures including removal of gallbladder with x-ray study of bile ducts using an endoscope, alongside routine visits and testing. This reflects Medicare patients only and is billing volume, not a measure of quality.
Medicare claims
Not yet. This profile is built from public federal data and has not been confirmed by Walter S. Johnston. If this is you, claiming it is free.
Guide.md
Provider data sourced from the NPPES NPI Registry and CMS public datasets. Information is provided for reference and is not medical advice.