LIA THOMAS CHACKO M.D
NPI 1053726976
Internal Medicine in Houston, TX

Q: What is Lia Chacko's NPI number?

The NPI number for Lia Chacko is 1053726976. It was assigned to this individual provider in the NPPES registry on June 30, 2014. The provider is also known as Lia Mariam Thomas MD.

Q: What is Lia Chacko's specialty?

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

Q: When was this NPI record last updated?

The NPPES record for Lia Chacko was last updated on April 13, 2026. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 6 months ago. If this record has changed at CMS more recently, you can request an on-demand re-check against the live CMS registry, directly from this page.

Active since June 30, 2014PECOS EnrolledAccepts Medicare Assignment

6431 FANNIN ST, JJL 450, HOUSTON, TX 77030(713) 500-7885(713) 500-0626 Get Directions Write a Review

NPPES record last updated: April 13, 2026. Verified against the NPPES registry weekly; last sync: October 25, 2026.

Record update history: Apr 13, 2026, Jul 15, 2024, Sep 26, 2016 (3 updates tracked since 2016).

On this page

About Lia Thomas Chacko M.d NPPES

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

LIA THOMAS CHACKO M.D (NPI 1053726976) is an individual internal medicine provider in Houston, Texas, licensed in Indiana (01087095A) and active in the NPI registry since June 2014. She is enrolled in Medicare PECOS, is affiliated with Deaconess Hospital Inc, and is a graduate of Other (2010).

NPPES Registry Identity

NPI1053726976

Entity TypeIndividualFemale

Primary Taxonomy207R00000X

Provider Legal NameLIA THOMAS CHACKOCredential: M.D

Location Address6431 FANNIN ST, JJL 450Houston, TX 77030-1501

Mailing Address600 Mary StEvansville, IN 47710-1658

Phone(713) 500-7885

Fax(713) 500-0626

Sole ProprietorNo

Medical School CMSOtherGraduated 2010

Enumeration DateJune 30, 2014

Last NPPES UpdateApril 13, 20263 updates tracked since enumeration

NPPES CertifiedApril 13, 2026

✔ NPI 1053726976 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses 2

★ Primary SpecialtyInternal MedicineAllopathic & Osteopathic Physicians

Taxonomy Code207R00000X

Licenses✔ Licensed in IN · 01087095A✔ Licensed in TX · Q8369

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.

Also ListedHospitalistTaxonomy 208M00000X · License 01087095A (IN)

6431 FANNIN ST, Houston, TX 77030

Open in Google Maps ↗

Other Names 1

Former Name (1)Lia Mariam Thomas Md

Accepted Insurance

The full list of accepted plans is on the Insurance tab. Issuers include Anthem Blue Cross and Blue Shield, Blue Cross and Blue Shield of Texas, CareSource.Insurance ›

Medicare Participation & PECOS CMS

Medicare enrollment, assignment, billing reassignment, and ordering and referring status from CMS.

Medicare Enrollment Status

✔

Enrolled in Medicare and accepts Medicare assignment

Lia Thomas Chacko M.d 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 ID5395038624

PECOS Enrollment IDI20250904000659

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.

Medicare Billing Reassignments

Medicare enrollment records show Lia Chacko reassigns Medicare billing to 5 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.

Ut Physicians

0.1 mi

Anesthesiology

6410 FANNIN ST, 1500
Houston, TX 77030

Reassigned Medicare billing, Texas enrollment
3,111 clinicians in this Medicare group

NPI 1033157821 (832) 325-7325

Lonestar Pat Associates PA

149 mi

Hospitalist

2400 ROUND ROCK AVE
Round Rock, TX 78681

Reassigned Medicare billing, Texas enrollment
206 clinicians in this Medicare group

NPI 1811594203 (512) 341-1000

Ipc Healthcare Services Of Texas, PLLC

187 mi

Hospitalist

7330 SAN PEDRO AVE, STE 540
San Antonio, TX 78216

Reassigned Medicare billing, Texas enrollment
688 clinicians in this Medicare group

NPI 1023403011 (210) 344-7287

Lonestar Hospital Medicine Associates, PA

221 mi

Hospitalist

2700 E BROAD ST
Mansfield, TX 76063

Reassigned Medicare billing, Texas enrollment
994 clinicians in this Medicare group

NPI 1518237429 (682) 622-2000

Deaconess Hospital Inc

722 mi

Clinical

801 FELSTEAD RD
Evansville, IN 47712

Reassigned Medicare billing, Indiana enrollment
717 clinicians in this Medicare group

NPI 1942183769 (812) 471-4611

Source: CMS Revalidation Reassignment List, October 2026 release. Reassignment records can lag staffing changes; confirm a current affiliation with the organization.

Hospital Affiliations CMS Care Compare

Hospitals where this provider delivers care, identified from recent Medicare claims and place-of-service records.

Deaconess Hospital Inc

Acute Care Hospitals · Evansville, IN

2/5 CMS rating

OwnershipVoluntary non-profit - Private

CMS Certification Number150082

Location600 Mary StEvansville, IN 47710 · Vanderburgh County

Emergency services

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 77030 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.

Medicare Quality Performance CMS QPP · MIPS

Performance in the CMS Quality Payment Program: the MIPS final score across four weighted categories, and the individual quality measures reported to Medicare.

Reported Quality Measures

Care Plan

Percentage of patients aged 65 years and older who have an advance care plan or surrogate decision maker documented in the medical record that an advance care plan was discussed but the patient did not wish or was not able to name a surrogate decision maker…

99%81 patients4/55-star benchmark: 100%

Providers report different measures because they deliver different services; reporting more or less information is not a reflection of quality. Star ratings appear only where CMS assigned them.

Referred Medical Equipment & Supplies CMS DME claims 2

Durable medical equipment, devices and supplies this provider ordered from DME suppliers for patients, from Medicare fee-for-service claims.

Portable gaseous oxygen system, rental; includes portable container, regulator, flowmeter, humidifier, cannula or mask, and tubing E0431

DME-Oxygen and Supplies · category DC000N

3 suppliers15 claims15 services$17.13 avg. paid by Medicare

Oxygen concentrator, single delivery port, capable of delivering 85 percent or greater oxygen concentration at the prescribed flow rate E1390

DME-Oxygen and Supplies · category DC002N

3 suppliers16 claims16 services$90.12 avg. paid by Medicare

Dollar amounts are the average Medicare paid the supplier per service. They are not the cost to the patient.

Other Providers at the Same Location NPPES 20

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

DR. STUART MASON FRASER M.D.

Psychiatry & Neurology (Neurology with Special Qualifications in Child Neurology)

6431 FANNIN ST, MSB 3.151
HOUSTON, TX 77030

Harris County (713) 500-5800

AMY ROSSI MD

Emergency Medicine

6431 FANNIN ST, JJL 431
HOUSTON, TX 77030

Harris County (713) 500-7882

MATTHEW KHOA NGUYEN

Student in an Organized Health Care Education/Training Program

6431 FANNIN ST
HOUSTON, TX 77030

Harris County (713) 500-6113

MARY WAYNE PELTIER MD

Student in an Organized Health Care Education/Training Program

6431 FANNIN ST
HOUSTON, TX 77030

Harris County (713) 500-5010

HANNA MAVRIC DO

Student in an Organized Health Care Education/Training Program

6431 FANNIN ST
HOUSTON, TX 77030

Harris County (713) 500-7882

DR. DAVIDE CATTANO MD

Anesthesiology

6431 FANNIN ST, MSB 5.020
HOUSTON, TX 77030

Harris County (713) 500-6235

MICHAEL ANTHONY HOLZMAN

Orthopaedic Surgery

6431 FANNIN ST, SUITE JJL 310
HOUSTON, TX 77030

Harris County (713) 500-5154

SHUBHANGI MEHRA

Student in an Organized Health Care Education/Training Program

6431 FANNIN ST
HOUSTON, TX 77030

Harris County (713) 500-0798

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 Lia Chacko's NPI number?

The NPI number for Lia Chacko is 1053726976. It was assigned to this individual provider in the NPPES registry on June 30, 2014. The provider is also known as Lia Mariam Thomas MD.

Where is Lia Chacko located?

Lia Chacko practices at 6431 Fannin St Jjl 450, Houston, TX 77030. The listed phone number is (713) 500-7885.

What is Lia Chacko's specialty?

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

Is Lia Chacko enrolled in Medicare?

Yes. Lia Chacko 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.

Which organizations bill Medicare for Lia Chacko's services?

According to the CMS Revalidation Reassignment List (October 2026 release), Lia Chacko reassigns Medicare benefits to 5 organizations: Ut Physicians (Houston, TX), Lonestar Pat Associates PA (Round Rock, TX), Ipc Healthcare Services Of Texas, PLLC (San Antonio, TX), Lonestar Hospital Medicine Associates, PA (Mansfield, TX) and Deaconess Hospital Inc (Evansville, IN). Each reassignment is filed with Medicare on form CMS-855R, signed by both the clinician and the organization, and lets the organization bill Medicare and receive payment for Lia Chacko's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.

What insurance does Lia Chacko accept?

Health plans from Anthem Blue Cross and Blue Shield, Blue Cross and Blue Shield of Texas and CareSource list Lia Chacko 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.

Is Lia Chacko affiliated with any hospitals?

According to CMS data, Lia Chacko is affiliated with Deaconess Hospital Inc.

When was this NPI record last updated?

The NPPES record for Lia Chacko was last updated on April 13, 2026. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 6 months ago. If this record has changed at CMS more recently, you can request an on-demand re-check against the live CMS registry, directly from this page.