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Active NPI 1649293689 Individual Practitioner Male Practitioner

Dr. James Michael Carroll , MD

Internal Medicine • Katy, TX

✓ Accepts Medicare Assignment Telehealth Available

Professional Overview & Biography Verified Profile Summary

Dr. James Carroll, MD is a certified Internal Medicine practicing in Katy, TX. With approximately 32 years of clinical experience since graduating from Louisiana State University School Of Medicine In New Orleans in 1994, Dr. Carroll delivers high-quality medical care to the local community at 1331 W GRAND PKWY N STE 310.

Dr. Carroll is affiliated with Aids Healthcare Foundation Texas, Inc. and accepts Medicare assignment . Telehealth and virtual consultation options are available for eligible patients.

Frequently performed procedures and clinical services include insertion of needle into vein for collection of blood sample, established patient outpatient office visit, telephone medical discussion with physician. Full Medicare procedure pricing transparency rates and service volume details are listed on this profile.

Practice Location & Contact Primary Location

Practice Address

1331 W Grand Pkwy N Ste 310

Katy, TX 774932735

Telephone 2815993222
Associated Practice Facility / Clinic
🏢 Carson T. Lo Md Pa Facility NPI 1710045554

Medicare Profile & Education

Medical School

Louisiana State University School Of Medicine In New Orleans

Graduation Year

1994

Medicare Assignment

✓ Accepts Assignment

Telehealth Flag

Telehealth Services Available

Specialty Benchmarks & Practice Insights

Comparative analytics for Internal Medicine in Katy, TX

Senior Veteran Specialist (>20 Yrs)
Practitioner Clinical Experience
32 Yrs +5.7 yrs vs City Avg
City Avg: 26.3 Yrs
State Avg: 26.2 Yrs
Regional Practice Density
55 Specialists

Practicing in Katy, TX (9538 Statewide)

Telehealth Adoption Rate
47.3% Regional Adoption

✓ Offers Virtual Consultations

Medicare Pricing Discount
48.4% Avg Savings

Under CMS Medicare Fee Schedule vs Standard Submitted Charges

Clinical Seniority & Experience Comparison

Dr. Carroll (32 Years) 32 Yrs
Katy Specialty Average (26.3 Years) 26.3 Yrs

Performed Procedures & Service Volume

Top Medicare Part B procedures performed by this practitioner

CMS Official Data (2020)
Reporting Year:
HCPCS Code & Description Services Patients Submitted Charge Medicare Allowed
36415 Insertion of needle into vein for collection of blood sample
23 13 $10.00 $2.99
99214 Established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more
21 13 $290.50 $120.59
99442 Telephone medical discussion with physician, 11-20 minutes
11 11 $75.00 $70.03

Medical Specialties & State Licenses

CMS Verified: 2026-02-19
Internal Medicine Primary Specialty

NUCC Taxonomy Code: 207R00000X

State License TX M7087

A physician who provides long-term, comprehensive care in the office and the hospital, managing both common and complex illness of adolescents, adults and the elderly. Internists are trained in the diagnosis and treatment of cancer, infections and diseases affecting the heart, blood, kidneys, joints and digestive, respiratory and vascular systems. They are also trained in the essentials of primary care internal medicine, which incorporates an understanding of disease prevention, wellness, substance abuse, mental health and effective treatment of common problems of the eyes, ears, skin, nervous system and reproductive organs.

Hospital & Practice Group Affiliations

Aids Healthcare Foundation Texas, Inc.

1331 W Grand Pkwy N, Katy, TX 774932735

Phone: 2815993222

Secondary Practice Locations

1415 California St

Houston, TX 770062602

Phone: 8325485000

4940 Van Nuys Blvd Ste 200

Sherman Oaks, CA 914031741

Phone: 8183802626

Practice Associates & Co-Workers

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

2 Associated Practitioners
Dr. Carson Lo , MD

Internal Medicine

NPI 1164483293

Doctor of Medicine (M.D.)

Dr. Linda Yancey , MD

Internal Medicine - Infectious Disease

NPI 1992759070

Doctor of Medicine (M.D.)

Career & Practice History Timeline

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

17 Historical Events
📍
Updated Practice Location February 19, 2026

Registered at 1331 W GRAND PKWY N STE 310, KATY, TX 774932735 (Tel: 2815993222)

📍
Updated Business Mailing Address February 19, 2026

Registered at 6255 W SUNSET BLVD FL 21, LOS ANGELES, CA 900287422 (Tel: 3238605200)

📍
Updated Practice Location May 20, 2021

Registered at 1415 CALIFORNIA ST, HOUSTON, TX 770062602 (Tel: 8325485000)

📍
Updated Business Mailing Address May 04, 2021

Registered at PO BOX 66308, HOUSTON, TX 772666308 (Tel: 8325485000)

📍
Updated Practice Location December 18, 2018

Registered at 4940 VAN NUYS BLVD STE 200, SHERMAN OAKS, CA 914031741 (Tel: 8183802626)

📍
Updated Business Mailing Address December 18, 2018

Registered at 1001 N MARTEL AVE, WEST HOLLYWOOD, CA 900466611 (Tel: 3234365019)

NPI Profile Active January 20, 2017

NPI status registered as active in NPPES database

📍
Updated Practice Location January 20, 2017

Registered at 1213 HERMANN DRIVE, SUITE 620, HOUSTON, TX 770047012 (Tel: 7135206360)

📍
Updated Business Mailing Address January 20, 2017

Registered at 1213 HERMANN DRIVE, SUITE 620, HOUSTON, TX 770047012 (Tel: 7135206360)

👤
Provider Name / Credentials Updated January 20, 2017

Recorded as JAMES CARROLL, MD

🎓
Medical Taxonomy / Specialty Registered (Primary Specialty) January 20, 2017

Internal Medicine (License #M7087 in TX)

NPI Profile Active March 10, 2010

NPI status registered as active in NPPES database

📍
Updated Practice Location March 10, 2010

Registered at 4101 GREENBRIAR ST, SUITE 208, HOUSTON, TX 770985294 (Tel: 7135206360)

📍
Updated Business Mailing Address March 10, 2010

Registered at 4101 GREENBRIAR ST, SUITE 208, HOUSTON, TX 770985294 (Tel: 7135206360)

👤
Provider Name / Credentials Updated March 10, 2010

Recorded as JAMES CARROLL, MD

🎓
Medical Taxonomy / Specialty Registered (Primary Specialty) March 10, 2010

Internal Medicine (License #M7087 in TX)

🟢
Initial NPI Registration & Enumeration July 25, 2006

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: 1649293689
Entity Type:
Individual Provider Physician, Nurse Practitioner, or Solo Healthcare Professional (Type 1 NPI)
Enumeration Date: July 25, 2006
Last Update: February 19, 2026
Sole Proprietor: No

Mailing Address

6255 W Sunset Blvd Fl 21

Los Angeles, CA 900287422

Phone: 3238605200

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.