Active NPI 1558312504 Individual Practitioner Male Practitioner

Dr. Walter Stuart Johnston , MD

Surgery • Richardson, TX

✓ Accepts Medicare Assignment

Professional Overview & Biography Verified Profile Summary

Dr. Walter Johnston, MD is a certified Surgery practicing in Richardson, TX. With approximately 34 years of clinical experience since graduating from University Of Texas Southwestern Medical School At Dallas in 1992, Dr. Johnston delivers high-quality medical care to the local community at 3600 SHIRE BLVD STE 104.

Dr. Johnston is affiliated with North Dallas Surgical Specialists, Pa and accepts Medicare assignment.

Frequently performed procedures and clinical services include subsequent hospital care with moderate levelof medical decision making, if using time, at least, initial hospital care with straightforward or low-level medical decision making, if using time, at least, established patient outpatient office visit. Full Medicare procedure pricing transparency rates and service volume details are listed on this profile.

Practice Location & Contact Primary Location

Practice Address

3600 Shire Blvd Ste 104

Richardson, TX 750822236

Telephone 9724876400

Fax 9724871686

Associated Practice Facility / Clinic

🏢 North Dallas Surgical Specialists, Pa Facility NPI 1912935560

Medicare Profile & Education

Medical School

University Of Texas Southwestern Medical School At Dallas

Graduation Year

1992

Medicare Assignment

✓ Accepts Assignment

Telehealth Flag

In-Person Only

Specialty Benchmarks & Practice Insights

Comparative analytics for Surgery in Richardson, TX

Senior Veteran Specialist (>20 Yrs)

Practitioner Clinical Experience

34 Yrs +10.0 yrs vs City Avg

City Avg: 24.0 Yrs

State Avg: 25.2 Yrs

Regional Practice Density

16 Specialists

Practicing in Richardson, TX (2342 Statewide)

Telehealth Adoption Rate

12.5% Regional Adoption

In-Person Office Visits Only

Medicare Pricing Discount

77.9% Avg Savings

Under CMS Medicare Fee Schedule vs Standard Submitted Charges

Clinical Seniority & Experience Comparison

Dr. Johnston (34 Years) 34 Yrs

Richardson Specialty Average (24.0 Years) 24.0 Yrs

Performed Procedures & Service Volume

Top Medicare Part B procedures performed by this practitioner

CMS Official Data (2024)

Reporting Year:

HCPCS Code & Description	Services	Patients	Submitted Charge	Medicare Allowed
99232 Subsequent hospital care with moderate levelof medical decision making, if using time, at least 35 minutes	150	76	$215.00	$75.08
99222 Initial hospital care with straightforward or low-level medical decision making, if using time, at least 55 minutes	102	94	$400.00	$124.56
99214 Established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more	69	60	$210.00	$126.23
99203 New patient office or other outpatient visit with low level of medical decision making, if using time, 30 minutes or more	58	58	$335.00	$109.71
99213 Established patient office or other outpatient visit, typically 15 minutes	54	36	$135.00	$89.59
47563 Removal of gallbladder with x-ray study of bile ducts using an endoscope	11	11	$4200.00	$686.69

HCPCS Code & Description	Services	Patients	Submitted Charge	Medicare Allowed
99232 Subsequent hospital care with moderate levelof medical decision making, if using time, at least 35 minutes	109	53	$215.00	$76.01
99222 Initial hospital care with straightforward or low-level medical decision making, if using time, at least 55 minutes	75	73	$400.00	$124.92
99214 Established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more	68	56	$210.00	$127.36
99203 New patient office or other outpatient visit with low level of medical decision making, if using time, 30 minutes or more	59	59	$335.00	$110.29
99213 Established patient office or other outpatient visit, typically 15 minutes	37	28	$135.00	$88.10
47563 Removal of gallbladder with x-ray study of bile ducts using an endoscope	16	16	$4200.00	$685.76
49505 Repair of groin hernia (5 years or older)	15	15	$2000.00	$465.70

HCPCS Code & Description	Services	Patients	Submitted Charge	Medicare Allowed
99232 Subsequent hospital care with moderate levelof medical decision making, if using time, at least 35 minutes	91	52	$215.00	$68.95
99214 Established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more	70	61	$210.00	$130.62
99222 Initial hospital care with straightforward or low-level medical decision making, if using time, at least 55 minutes	50	50	$400.00	$130.59
99203 New patient office or other outpatient visit with low level of medical decision making, if using time, 30 minutes or more	38	38	$335.00	$113.76
99213 Established patient office or other outpatient visit, typically 15 minutes	29	26	$135.00	$92.55

HCPCS Code & Description	Services	Patients	Submitted Charge	Medicare Allowed
99214 Established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more	73	59	$210.00	$130.64
99232 Subsequent hospital care with moderate levelof medical decision making, if using time, at least 35 minutes	65	31	$215.00	$69.53
99203 New patient office or other outpatient visit with low level of medical decision making, if using time, 30 minutes or more	53	53	$333.21	$114.03
99222 Initial hospital care with straightforward or low-level medical decision making, if using time, at least 55 minutes	48	47	$400.00	$131.34
99213 Established patient office or other outpatient visit, typically 15 minutes	47	38	$135.00	$93.06
99205 New patient office or other outpatient visit with a high level of medical decision making, if using time, 60 minutes or more	14	14	$600.00	$224.64
49505 Repair of groin hernia (5 years or older)	12	12	$2000.00	$507.91

HCPCS Code & Description	Services	Patients	Submitted Charge	Medicare Allowed
99214 Established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more	78	66	$210.00	$110.68
99203 New patient office or other outpatient visit with low level of medical decision making, if using time, 30 minutes or more	59	59	$333.39	$107.95
99232 Subsequent hospital care with moderate levelof medical decision making, if using time, at least 35 minutes	50	21	$215.00	$70.99
99222 Initial hospital care with straightforward or low-level medical decision making, if using time, at least 55 minutes	34	29	$400.00	$134.81
99213 Established patient office or other outpatient visit, typically 15 minutes	30	24	$135.00	$76.39
99205 New patient office or other outpatient visit with a high level of medical decision making, if using time, 60 minutes or more	15	15	$600.00	$211.00
47563 Removal of gallbladder with x-ray study of bile ducts using an endoscope	11	11	$3818.18	$708.21

HCPCS Code & Description	Services	Patients	Submitted Charge	Medicare Allowed
99214 Established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more	100	90	$210.00	$109.23
99203 New patient office or other outpatient visit with low level of medical decision making, if using time, 30 minutes or more	71	71	$335.00	$107.55
99232 Subsequent hospital care with moderate levelof medical decision making, if using time, at least 35 minutes	49	25	$215.00	$70.80
99213 Established patient office or other outpatient visit, typically 15 minutes	40	31	$135.00	$74.63
99222 Initial hospital care with straightforward or low-level medical decision making, if using time, at least 55 minutes	36	34	$400.00	$133.19
47563 Removal of gallbladder with x-ray study of bile ducts using an endoscope	18	18	$3600.00	$702.47
99205 New patient office or other outpatient visit with a high level of medical decision making, if using time, 60 minutes or more	15	15	$589.67	$193.09

HCPCS Code & Description	Services	Patients	Submitted Charge	Medicare Allowed
99214 Established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more	100	90	$210.00	$108.28
99232 Subsequent hospital care with moderate levelof medical decision making, if using time, at least 35 minutes	67	30	$150.00	$71.00
99203 New patient office or other outpatient visit with low level of medical decision making, if using time, 30 minutes or more	42	42	$335.00	$108.15
99213 Established patient office or other outpatient visit, typically 15 minutes	33	25	$135.00	$73.32
99222 Initial hospital care with straightforward or low-level medical decision making, if using time, at least 55 minutes	31	31	$280.00	$133.38
47563 Removal of gallbladder with x-ray study of bile ducts using an endoscope	11	11	$3600.00	$698.47

HCPCS Code & Description	Services	Patients	Submitted Charge	Medicare Allowed
99213 Established patient office or other outpatient visit, typically 15 minutes	174	133	$135.00	$73.23
99232 Subsequent hospital care with moderate levelof medical decision making, if using time, at least 35 minutes	98	41	$150.00	$71.13
99222 Initial hospital care with straightforward or low-level medical decision making, if using time, at least 55 minutes	58	54	$280.00	$135.06
99203 New patient office or other outpatient visit with low level of medical decision making, if using time, 30 minutes or more	48	48	$333.02	$106.88
38525 Biopsy or removal of lymph nodes of under the arm, open procedure	27	27	$1485.00	$223.01
99205 New patient office or other outpatient visit with a high level of medical decision making, if using time, 60 minutes or more	23	23	$600.00	$206.21
19301 Partial removal of breast	22	21	$2200.00	$642.95
47563 Removal of gallbladder with x-ray study of bile ducts using an endoscope	15	15	$3600.00	$714.00
99204 New patient office or other outpatient visit with moderate level of medical decision making, if using time, 45 minutes or more	15	15	$483.33	$164.03
49505 Repair of groin hernia (5 years or older)	14	14	$2097.14	$539.82
77001 Fluoroscopic guidance for insertion, replacement or removal of central venous access device	13	13	$300.00	$19.08
76937 Ultrasonic guidance for blood vessel access	13	13	$300.00	$14.51
36561 Insertion of central venous catheter and implanted device for infusion beneath the skin, patient 5 years or older	13	13	$2000.00	$299.16

Medical Specialties & State Licenses

CMS Verified: 2022-03-07

Surgery Primary Specialty

NUCC Taxonomy Code: 208600000X

State License TX J4238

A general surgeon has expertise related to the diagnosis - preoperative, operative and postoperative management - and management of complications of surgical conditions in the following areas: alimentary tract; abdomen; breast, skin and soft tissue; endocrine system; head and neck surgery; pediatric surgery; surgical critical care; surgical oncology; trauma and burns; and vascular surgery. General surgeons increasingly provide care through the use of minimally invasive and endoscopic techniques. Many general surgeons also possess expertise in transplantation surgery, plastic surgery and cardiothoracic surgery.

Additional State Medicaid & Healthcare Payer Identifiers

Medicaid State Provider ID

125237104 (TX)

Commercial Insurance / Payer ID Blue Cross Blue Shield

88720G (TX)

Hospital & Practice Group Affiliations

North Dallas Surgical Specialists, Pa

3600 Shire Blvd, Richardson, TX 750822236

Phone: 9724876400

Practice Associates & Co-Workers

Healthcare professionals and specialists practicing at this location or sharing practice phone/fax

6 Associated Practitioners

Dr. Mark Bailey , MD

Surgery

NPI 1114979796

Doctor of Medicine (M.D.)

Cynthia Chernyakhovsky , PA-C

Physician Assistant

NPI 1184712499

Physician Assistant (Certified)

Lakiesha Bohannon , PA

Physician Assistant - Surgical

NPI 1255889853

Physician Assistant

Dr. Russ Birdwell , MD

Surgery

NPI 1376595991

Doctor of Medicine (M.D.)

Dr. Ronald Baxter , MD

Surgery

NPI 1457746547

Doctor of Medicine (M.D.)

Dr. Thomas Wang , MD

Surgery

NPI 1629395967

Doctor of Medicine (M.D.)

Career & Practice History Timeline

Chronological log of verified NPI updates, location relocations, credentials, and registry changes

8 Historical Events

📍

Updated Practice Location March 07, 2018

Registered at 3600 SHIRE BLVD STE 104, RICHARDSON, TX 750822236 (Tel: 9724876400)

📍

Updated Business Mailing Address March 07, 2018

Registered at 3600 SHIRE BLVD STE 104, RICHARDSON, TX 750822236 (Tel: 9724876400)

✅

NPI Profile Active May 27, 2015

NPI status registered as active in NPPES database

📍

Updated Practice Location May 27, 2015

Registered at 700 WALTER REED BLVD, SUITE311, GARLAND, TX 750423701 (Tel: 9724876400)

📍

Updated Business Mailing Address May 27, 2015

Registered at 700 WALTER REED BLVD, SUITE311, GARLAND, TX 750423701 (Tel: 9724876400)

👤

Provider Name / Credentials Updated May 27, 2015

Recorded as WALTER JOHNSTON, M.D.

🎓

Medical Taxonomy / Specialty Registered (Primary Specialty) May 27, 2015

Surgery (License #J4238 in TX)

🟢

Initial NPI Registration & Enumeration May 15, 2006

First registered as active Individual Practitioner in NPPES Database.

Patient & Community Reviews

Verified patient ratings, medical care experiences, and facility photos

0 Reviews

No patient reviews submitted yet for Dr. Walter Johnston. Be the first to share your experience!

Only verified registered users can submit ratings, post feedback, and upload facility photos.

NPI Administrative Meta

NPI Number: 1558312504

Entity Type:

Individual Provider Physician, Nurse Practitioner, or Solo Healthcare Professional (Type 1 NPI)

Enumeration Date: May 15, 2006

Last Update: March 07, 2022

Sole Proprietor: No

Update or Correct Profile

Mailing Address

3600 Shire Blvd Ste 104

Richardson, TX 750822236

Phone: 9724876400

Public Domain Record This profile contains public domain information published by CMS and NPPES under the Freedom of Information Act (FOIA).

⚠️ Medical Disclaimer

This directory listing is for informational purposes only and does not constitute medical advice, diagnosis, or physician endorsement. If you are experiencing a medical emergency, please call 911 immediately.