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DR. JAMES MICHAEL CARROLL MD
NPI 1649293689
Internal Medicine in Katy, TX

Active since July 25, 2006PECOS EnrolledAccepts Medicare Assignment
1331 W GRAND PKWY N STE 310, KATY, TX 77493(281) 599-3222 Get Directions Write a Review

NPPES record last updated: February 19, 2026. Verified against the NPPES registry weekly; last sync: July 26, 2026.

Record update history: May 20, 2021, May 4, 2021, Dec 18, 2018 and 1 more (4 updates tracked since 2017).

About Dr. James Michael Carroll Md NPPES

Official registry information on file with the National Plan and Provider Enumeration System.

DR. JAMES MICHAEL CARROLL MD (NPI 1649293689) is an individual internal medicine provider in Katy, Texas, licensed in Texas (M7087) and active in the NPI registry since July 2006. He is enrolled in Medicare PECOS, maintains 2 additional practice locations, and is a graduate of Louisiana State University School Of Medicine In New Orleans (1994).

NPPES Registry Identity

NPI1649293689
Entity TypeIndividualMale
Primary Taxonomy207R00000X
Provider Legal NameDR. JAMES MICHAEL CARROLLCredential: MD
Location Address1331 W GRAND PKWY N STE 310Katy, TX 77493-2735
Mailing Address6255 W Sunset Blvd Fl 21Los Angeles, CA 90028-7422 · (323) 860-5200 · Fax (323) 467-7119
Phone(281) 599-3222
Sole ProprietorNo
Medical School CMSLouisiana State University School Of Medicine In New OrleansGraduated 1994
Enumeration DateJuly 25, 2006
Last NPPES UpdateFebruary 19, 20264 updates tracked since enumeration
NPPES CertifiedFebruary 19, 2026
✔ NPI 1649293689 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyInternal MedicineAllopathic & Osteopathic Physicians
Taxonomy Code207R00000X
License✔ Licensed in TX · M7087
Definition
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.
1331 W GRAND PKWY N STE 310, Katy, TX 77493
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Secondary Practice Locations 2

Location 11415 California StHouston, TX 77006-2602 · Phone (832) 548-5000 · Fax (832) 548-5092
Location 24940 Van Nuys Blvd Ste 200Sherman Oaks, CA 91403-1741 · Phone (818) 380-2626 · Fax (818) 380-2620

Accepted Insurance

The full list of accepted plans is on the Insurance tab. Issuers include Ambetter from Arizona Complete Health, Ambetter from Arkansas Health & Wellness, Ambetter from Louisiana Healthcare Connections and more.Insurance ›

Medicare Participation & PECOS CMS

Medicare enrollment, assignment, and ordering and referring status from the CMS PECOS system.

Medicare Enrollment Status

✔

Enrolled in Medicare and accepts Medicare assignment

Dr. James Michael Carroll Md is registered in PECOS and agrees to accept the Medicare-approved amount as full payment. Medicare patients are not billed beyond the standard deductible and coinsurance.

PECOS PAC ID9931298833
PECOS Enrollment IDI20071129000634
Eligible to Order & Refer✔ Part B Labs & Imaging✔ Durable Medical Equipment✔ Home Health Agency✔ Power Mobility DevicesPer the CMS Ordering and Referring file. Eligibility means Medicare pays claims that this provider orders or refers for these categories.

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 77493 ZIP code area, from fee-for-service claims. These are area statistics, not this provider’s prices; actual charges vary by service and coverage.

New Patient
$134.06 typical visit price
range $58.24 – $176.98
Typical copayment $33.51 (range $14.56 – $44.24)
Most-billed visit code 99204
Established Patient
$102.71 typical visit price
range $18.60 – $143.93
Typical copayment $25.67 (range $4.65 – $35.98)
Most-billed visit code 99214
Amounts reflect what Medicare beneficiaries in this ZIP area are typically charged for office visits. Patients with other coverage should check their individual plans.

Other Providers at the Same Location NPPES

Providers registered at the same practice address, or within the immediate area, according to the NPPES registry.

DR. CARSON TAN LO MD
Internal Medicine
1331 W GRAND PKWY N STE 310
KATY, TX 77493
Harris County (281) 599-3222

Frequently Asked Questions NPPES & CMS

Common questions about this NPI record, answered from the official NPPES registry and CMS datasets shown on this page.

What is James Carroll's NPI number?

The NPI number for James Carroll is 1649293689. It was assigned to this individual provider in the NPPES registry on July 25, 2006.

Where is James Carroll located?

James Carroll practices at 1331 W Grand Pkwy N Ste 310, Katy, TX 77493. The listed phone number is (281) 599-3222.

What is James Carroll's specialty?

The primary specialty registered for this NPI is Internal Medicine with taxonomy code 207R00000X.

Is James Carroll enrolled in Medicare?

Yes. James Carroll is registered in the Medicare PECOS system and accepts Medicare assignment, which means accepting the Medicare-approved amount as payment in full for covered services.

What insurance does James Carroll accept?

Health plans from Ambetter Health, Ambetter from Arizona Complete Health, Ambetter from Arkansas Health & Wellness, Ambetter from Louisiana Healthcare Connections and Ambetter from Superior HealthPlan and 5 other insurers list James Carroll as in-network in at least one marketplace plan. Coverage varies by plan and year; verify with the insurer or the provider before a visit.

When was this NPI record last updated?

The NPPES record for James Carroll was last updated on February 19, 2026. NPI Profile syncs with the weekly NPPES data releases published by CMS.