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Active NPI 1336536200 Individual Practitioner Male Practitioner

Dr. John Ross Williams , MD

Neurological Surgery • Houston, TX

✓ Accepts Medicare Assignment

Professional Overview & Biography Verified Profile Summary

Dr. John Williams, MD is a certified Neurological Surgery practicing in Houston, TX. With approximately 11 years of clinical experience since completing medical education in 2015, Dr. Williams delivers high-quality medical care to the local community at 6400 FANNIN ST STE 2150.

Dr. Williams is affiliated with Ut Physicians 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, established patient outpatient office visit, fusion of additional segment of spine. Full Medicare procedure pricing transparency rates and service volume details are listed on this profile.

Practice Location & Contact Primary Location

Practice Address

6400 Fannin St Ste 2150

Houston, TX 770301524

Telephone 7134868000
Associated Practice Facility / Clinic
🏢 Mhs Physicians Of Texas Facility NPI 1225577406

Medicare Profile & Education

Medical School

Other

Graduation Year

2015

Medicare Assignment

✓ Accepts Assignment

Telehealth Flag

In-Person Only

Specialty Benchmarks & Practice Insights

Comparative analytics for Neurological Surgery in Houston, TX

Established Specialist (10-20 Yrs)
Practitioner Clinical Experience
11 Yrs -11.4 yrs vs City Avg
City Avg: 22.4 Yrs
State Avg: 25.0 Yrs
Regional Practice Density
177 Specialists

Practicing in Houston, TX (703 Statewide)

Telehealth Adoption Rate
31.6% Regional Adoption

In-Person Office Visits Only

Medicare Pricing Discount
61.5% Avg Savings

Under CMS Medicare Fee Schedule vs Standard Submitted Charges

Clinical Seniority & Experience Comparison

Dr. Williams (11 Years) 11 Yrs
Houston Specialty Average (22.4 Years) 22.4 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
32 29 $200.00 $78.91
99214 Established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more
28 19 $317.00 $119.96

Medical Specialties & State Licenses

CMS Verified: 2023-06-08
Neurological Surgery Primary Specialty

NUCC Taxonomy Code: 207T00000X

State License MD D94083

A neurological surgeon provides the operative and non-operative management (i.e., prevention, diagnosis, evaluation, treatment, critical care, and rehabilitation) of disorders of the central, peripheral, and autonomic nervous systems, including their supporting structures and vascular supply; the evaluation and treatment of pathological processes which modify function or activity of the nervous system; and the operative and non-operative management of pain. A neurological surgeon treats patients with disorders of the nervous system; disorders of the brain, meninges, skull, and their blood supply, including the extracranial carotid and vertebral arteries; disorders of the pituitary gland; disorders of the spinal cord, meninges, and vertebral column, including those which may require treatment by spinal fusion or instrumentation; and disorders of the cranial and spinal nerves throughout their distribution.

Hospital & Practice Group Affiliations

Ut Physicians

6400 Fannin St, Houston, TX 770301524

Phone: 7134868100

Secondary Practice Locations

325 9th Ave Dept Of, Box 359924

Seattle, WA 981042420

Phone: 2067449389

600 N Wolfe Street, Meyer 7-113

Baltimore, MD 212872128

Phone: 4109554424

Practice Associates & Co-Workers

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

40 Associated Practitioners
Dr. Tiffany Chang , MD

Psychiatry & Neurology - Neurocritical Care

NPI 1003098310

Doctor of Medicine (M.D.)

Stephanie Kim , NP

Nurse Practitioner - Acute Care

NPI 1013774892

Nurse Practitioner

Jasmine Kieng , PA-C

Physician Assistant

NPI 1023900446

Physician Assistant (Certified)

Dr. Dong Kim , MD

Neurological Surgery

NPI 1043292550

Doctor of Medicine (M.D.)

Dr. Peng Chen , MD

Neurological Surgery

NPI 1053331900

Doctor of Medicine (M.D.)

Dr. Antonio Dono Ostorga , MD

Student in an Organized Health Care Education/Training Program

NPI 1073195954

Doctor of Medicine (M.D.)

Career & Practice History Timeline

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

11 Historical Events
📍
Updated Practice Location June 08, 2023

Registered at 6400 FANNIN ST STE 2150, HOUSTON, TX 770301524 (Tel: 7134868000)

📍
Updated Business Mailing Address June 08, 2023

Registered at 6400 FANNIN ST STE 2070, HOUSTON, TX 770301541 (Tel: 7134867747)

📍
Updated Business Mailing Address June 20, 2022

Registered at 6201 GREENLEIGH AVE, MIDDLE RIVER, MD 212202004 (Tel: 4109336423)

📍
Updated Practice Location June 20, 2022

Registered at 600 N WOLFE STREET, MEYER 7-113, BALTIMORE, MD 212872128 (Tel: 4109554424)

🎓
Medical Taxonomy / Specialty Registered (Primary Specialty) June 20, 2022

Neurological Surgery (License #D94083 in MD)

NPI Profile Active April 18, 2015

NPI status registered as active in NPPES database

📍
Updated Practice Location April 18, 2015

Registered at 325 9TH AVE DEPT OF, BOX 359924, SEATTLE, WA 981042420 (Tel: 2067449389)

📍
Updated Business Mailing Address April 18, 2015

Registered at 325 9TH AVE DEPT OF, BOX 359924, SEATTLE, WA 981042420 (Tel: 2067449389)

👤
Provider Name / Credentials Updated April 18, 2015

Recorded as JOHN WILLIAMS, M.D.

🎓
Medical Taxonomy / Specialty Registered (Primary Specialty) April 18, 2015

Student in an Organized Health Care Education/Training Program

🟢
Initial NPI Registration & Enumeration April 18, 2015

First registered as active Individual Practitioner in NPPES Database.

Patient & Community Reviews

Verified patient ratings, medical care experiences, and facility photos

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NPI Administrative Meta

NPI Number: 1336536200
Entity Type:
Individual Provider Physician, Nurse Practitioner, or Solo Healthcare Professional (Type 1 NPI)
Enumeration Date: April 18, 2015
Last Update: June 08, 2023
Sole Proprietor: No

Mailing Address

6400 Fannin St Ste 2070

Houston, TX 770301541

Phone: 7134867747

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.