NPPES file of Aug 9, 2026

Mario William Saab-Chalhoub, M.D.

Anatomic Pathology & Clinical Pathology Physician · Austin, TX

Mario William Saab-Chalhoub, M.D. is an anatomic pathology & clinical pathology physician with a practice address in Austin, Texas, and NPI 1407207897, issued on Jun 27, 2016. Check the license (Texas V4485, as entered in NPPES) on the Texas Medical Board; the Medicare figures below come from public CMS files.

Record from CMS NPPES, file of Aug 9, 2026 · Medicare files 2023 · method · Verify with CMS →

NPPES recordNPPES file of Aug 9, 2026
1407207897
Name
Mario William Saab-Chalhoub
Credential
M.D.
Primary taxonomy
Anatomic Pathology & Clinical Pathology Physician 207ZP0102X
License numbers
V4485 TX
77106-20 WI
Self-reported in NPPES; status is on the state search
Practice location
3445 Executive Center Dr Ste 250, Austin, TX 78731
Phone
(512) 579-4000
Enumerated
Jun 27, 2016
Record last updated
Nov 4, 2024
Fax
(512) 439-2814
Medicare enrollment
Enrolled (PECOS I20241107002018); accepts Medicare assignment
Entity
Type 1 · individual
Public record from CMS NPPES (open it on the CMS NPI Registry). Enrollment, assignment, school and telehealth: CMS Doctors and Clinicians file, Aug 2026. A record is not a license: verify it with the state board.
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Also registered at 3445 Executive Center Dr Ste 250

A shared address usually means a shared clinic or building; it does not show who employs whom.

  1. Michael Bailey, M.D.Anatomic Pathology & Clinical Pathology Physician1649278144
  2. Julia Choi, M.D.Anatomic Pathology & Clinical Pathology Physician1952564288
  3. Nathan Clement, M.D.Anatomic Pathology & Clinical Pathology Physician1730398181
  4. Amy Coffey, M.D.Anatomic Pathology Physician1417223389
  5. Emma Diaz De Leon, MDAnatomic Pathology & Clinical Pathology Physician1922102367
  6. Eric Fillman, M.D.Anatomic Pathology & Clinical Pathology Physician1326060146

Verify Mario William Saab-Chalhoub in five checks

  1. 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
  2. 2LicenseActive license and public ordersTexas Medical Board
    Search for license V4485    Check the board
  3. 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
  4. 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
  5. 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
Open the Texas license search

PlainDoctor does not match the HHS-OIG exclusion list to individual records: most entries carry no NPI. Search the OIG exclusion list by name.

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The practice group's MIPS final score for 2023 (Medicare payment program): 80.5 of 100

The Merit-based Incentive Payment System score is reported for the practice group, not for one clinician alone. Four categories are weighted into the final score; the average among 454,083 clinicians with a measured score was 83.5.

  1. Qualityout of 100 · 30% of the final score66.2
  2. Costout of 100 · 30%68.6
  3. Promoting interoperabilityout of 100 · 25%100.0
  4. Improvement activities40 of 40 points · 15%100.0

Source: CMS Quality Payment Program, MIPS performance year 2023, group reporting; category weights for 2023 (qpp.cms.gov).

Bills Medicare through one group practice

  1. Hurt, Jacknow, Moore, Connor, Wells, Michels, Yurco, Listrom And HuangAustin, TX

Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).

Anatomic Pathology & Clinical Pathology Physician providers in Texas

There are 1,424 anatomic pathology & clinical pathology physician records in Texas.

All 1,424 in Texas → Every provider in Austin →

Other anatomic pathology & clinical pathology physician records in Texas

  1. Fnu Aakash, MDGalveston, TX1578074464
  2. Oscar Abbott, MDSan Antonio, TX1871573527
  3. Cesar Abbud-Mendez, M.D.El Paso, TX1821207432
  4. Rasha Abddelgader, M.B.B.S.Austin, TX1316566201
  5. Lina Abdul Karim, M.DHouston, TX1992189559
  6. Leonel Acevedo, MDWeslaco, TX1942332549
  7. Christopher Ackley, M.D.Shavano Park, TX1679512206
  8. Jacqueline Ackley, MDSan Antonio, TX1912987660
  9. Jessie Adame, M.D.Kingwood, TX1922002492
  10. Thomas Adams, MDSan Antonio, TX1215050497

Common questions

What is Mario William Saab-Chalhoub, M.D.'s NPI number?

Mario William Saab-Chalhoub, M.D.'s National Provider Identifier (NPI) is 1407207897, issued on Jun 27, 2016. An NPI identifies a provider in billing; it is not a license.

Where is Mario William Saab-Chalhoub, M.D. located?

The NPPES record lists a practice address at 3445 Executive Center Dr Ste 250, Austin, TX, 78731. Phone: (512) 579-4000. Providers update this record themselves, so call before visiting.

How can I verify Mario William Saab-Chalhoub, M.D.'s license?

NPPES lists Texas license number V4485, as entered by the provider. Search the Texas Medical Board at https://profile.tmb.state.tx.us/Search.aspx. The NPPES record confirms identity only; the state search shows license status, expiration and public orders.

What is Mario William Saab-Chalhoub, M.D.'s MIPS final score?

The 2023 MIPS final score is 80.5 of 100, reported for the practice group. The average among 454,083 clinicians with a measured score was 83.5.

Source: CMS National Plan and Provider Enumeration System (NPPES), file of Aug 9, 2026 (NPPES files on CMS.gov); NUCC Health Care Provider Taxonomy. Medicare files from data.cms.gov. An NPI identifies who bills; it is not a license.

Written with AI tools from the named public files; every figure is computed from those files (how it is made).

Figures on PlainDoctor are read from the federal files each page names (CMS NPPES, Medicare Part D, MIPS, Open Payments; the HHS-OIG exclusion list only as counts) and from Census population estimates, with the file date shown beside them. See our editorial standards & corrections policy, the methodology behind these numbers, or report a data error. Data current as of Aug 9, 2026.