Independent US Healthcare Provider Directory & Public Medical Database
Active NPI 1932633575 Individual Practitioner Male Practitioner

Dr. John Freeman Gray , MD

Anesthesiology • Houston, TX

✓ Accepts Medicare Assignment

Professional Overview & Biography Verified Profile Summary

Dr. John Gray, MD is a certified Anesthesiology practicing in Houston, TX. With approximately 9 years of clinical experience since completing medical education in 2017, Dr. Gray delivers high-quality medical care to the local community at 6431 FANNIN ST.

Dr. Gray is affiliated with Ut Physicians and accepts Medicare assignment.

Frequently performed procedures and clinical services include anesthesia for electroshock therapy, insertion of artery tube for blood sampling or infusion through skin, anesthesia for nerve destruction procedures on spine or spinal cord of lower back accessed through skin using imaging guidance. Full Medicare procedure pricing transparency rates and service volume details are listed on this profile.

Practice Location & Contact Primary Location

Practice Address

6431 Fannin St
Suite Msb 5.196

Houston, TX 770301501

Telephone 7135006223
Fax 7135006270
Associated Practice Facility / Clinic

Medicare Profile & Education

Medical School

Other

Graduation Year

2017

Medicare Assignment

✓ Accepts Assignment

Telehealth Flag

In-Person Only

Specialty Benchmarks & Practice Insights

Comparative analytics for Anesthesiology in Houston, TX

Experienced Practitioner (5-10 Yrs)
Practitioner Clinical Experience
9 Yrs -12.6 yrs vs City Avg
City Avg: 21.6 Yrs
State Avg: 24.9 Yrs
Regional Practice Density
1164 Specialists

Practicing in Houston, TX (4818 Statewide)

Telehealth Adoption Rate
1.1% Regional Adoption

In-Person Office Visits Only

Medicare Pricing Discount
86.2% Avg Savings

Under CMS Medicare Fee Schedule vs Standard Submitted Charges

Clinical Seniority & Experience Comparison

Dr. Gray (9 Years) 9 Yrs
Houston Specialty Average (21.6 Years) 21.6 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
00104 Anesthesia for electroshock therapy
66 26 $685.45 $106.01
36620 Insertion of artery tube for blood sampling or infusion through skin
11 11 $402.00 $44.20

Medical Specialties & State Licenses

CMS Verified: 2021-03-08
Anesthesiology Primary Specialty

NUCC Taxonomy Code: 207L00000X

State License TX S9305

An anesthesiologist is trained to provide pain relief and maintenance, or restoration, of a stable condition during and immediately following an operation or an obstetric or diagnostic procedure. The anesthesiologist assesses the risk of the patient undergoing surgery and optimizes the patient's condition prior to, during and after surgery. In addition to these management responsibilities, the anesthesiologist provides medical management and consultation in pain management and critical care medicine. Anesthesiologists diagnose and treat acute, long-standing and cancer pain problems; diagnose and treat patients with critical illnesses or severe injuries; direct resuscitation in the care of patients with cardiac or respiratory emergencies, including the need for artificial ventilation; and supervise post-anesthesia recovery.

Hospital & Practice Group Affiliations

Ut Physicians

6411 Fannin St, Houston, TX 770301501

Phone: 7137040093

Practice Associates & Co-Workers

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

33 Associated Practitioners
Norberto Avila

Anesthesiology

NPI 1013413061
NPI 1013538420

Doctor of Medicine (M.D.)

NPI 1023540499

Doctor of Medicine (M.D.)

Dr. Sally Patel , DO

Anesthesiology

NPI 1063040426

Doctor of Osteopathic Medicine (D.O.)

NPI 1063947836

Doctor of Medicine (M.D.)

Kendra Brown

Anesthesiology

NPI 1194170340

Career & Practice History Timeline

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

8 Historical Events
👤
Provider Name / Credentials Updated March 08, 2021

Recorded as JOHN GRAY, MD

🎓
Medical Taxonomy / Specialty Registered (Primary Specialty) March 08, 2021

Anesthesiology (License #S9305 in TX)

NPI Profile Active April 19, 2017

NPI status registered as active in NPPES database

📍
Updated Practice Location April 19, 2017

Registered at 6431 FANNIN ST, SUITE MSB 5.196, HOUSTON, TX 770301501 (Tel: 7135006223)

📍
Updated Business Mailing Address April 19, 2017

Registered at 6431 FANNIN ST, SUITE MSB 5.196, HOUSTON, TX 770301501 (Tel: 7135006223)

👤
Provider Name / Credentials Updated April 19, 2017

Recorded as JOHN GRAY

🎓
Medical Taxonomy / Specialty Registered (Primary Specialty) April 19, 2017

Student in an Organized Health Care Education/Training Program

🟢
Initial NPI Registration & Enumeration April 19, 2017

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: 1932633575
Entity Type:
Individual Provider Physician, Nurse Practitioner, or Solo Healthcare Professional (Type 1 NPI)
Enumeration Date: April 19, 2017
Last Update: March 08, 2021
Sole Proprietor: No

Mailing Address

6431 Fannin St, Suite Msb 5.196

Houston, TX 770301501

Phone: 7135006223

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.