NPPES file of Aug 9, 2026

Sandra L. Mostaccio-Sweeney, M.D.

Emergency Medicine Physician · Dallas, TX

Sandra L. Mostaccio-Sweeney, M.D. is an emergency medicine physician with a practice address in Dallas, Texas, and NPI 1689695199, issued on Jul 21, 2006. Check the license (Texas N4603, 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 and 2024 · method · Verify with CMS →

NPPES recordNPPES file of Aug 9, 2026
1689695199
Name
Sandra L. Mostaccio-Sweeney
Credential
M.D.
Primary taxonomy
Emergency Medicine Physician 207P00000X
License numbers
N4603 TX
MD30717 ME
MD60166404 WA
Self-reported in NPPES; status is on the state search
Practice location
1717 Main St, Dallas, TX 75201
Phone
(800) 527-2145
Enumerated
Jul 21, 2006
Record last updated
Jul 28, 2026
Medicare enrollment
Enrolled (PECOS I20110510000456); 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 1717 Main St

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

  1. Munir Bishara, MDPediatrics Physician1124199286
  2. Brian Blake, D.O.Emergency Medicine Physician1952578064
  3. Patricia Brackeen, PAPhysician Assistant1588735641
  4. Allison Esenwine, MDEmergency Medicine Physician1891719407
  5. Justin Fleishman, MDEmergency Medicine Physician1821299108
  6. Amy Kahn, M.D.Emergency Medicine Physician1427177963

Verify Sandra L. Mostaccio-Sweeney in five checks

  1. 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
  2. 2LicenseActive license and public ordersTexas Medical Board
    Search for license N4603
    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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52% fewer Medicare Part D claims than the average emergency medicine physician in 2024

108 Medicare Part D claims for 82 beneficiaries, against an average of 226 among the 54,106 providers of this specialty who prescribed in Part D. 30 claims were for opioids.

  1. Sandra Mostaccio-Sweeney108
  2. Specialty average226

Most prescribed

  1. Hydrocodone-Acetaminophen14 claims
  2. Cephalexin11 claims

Source: CMS Medicare Part D Prescribers by Provider and Drug, 2024 (data.cms.gov). Part D covers prescriptions for Medicare patients only; drugs with fewer than 11 claims are not published.

The practice group's MIPS final score for 2023 (Medicare payment program): 81 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 score89.6
  2. Costout of 100 · 30%64.4
  3. Promoting interoperabilityout of 100 · 25%79.0
  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. EM Alliance Texas PLLCAmarillo, TX

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

Sandra L. Mostaccio-Sweeney among 4,885 emergency medicine physician records in Texas

Sandra L. Mostaccio-Sweeney, M.D. is one of 4,885 emergency medicine physician records with a practice address in Texas. 83% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2006, is newer than 6% of them.

  • NPI issued2006 · 6% of these records are older, 67% newer
  • In a Medicare fileYes · 83% of these records are
  • In the CMS Doctors and Clinicians fileYes · 57% of these records are
  • Graduated1993 · median 2013 among the 2,779 with a school on file
  • Record last updated2026 · 55% of these records were not updated in five years or more

Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 207P00000X and a Texas practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).

512 emergency medicine physician records list a practice address in Dallas

They are 512 of the 36,304 NPPES records with a practice address in Dallas, and 4,885 emergency medicine physician records in Texas.

The 8 emergency medicine physician records with the nearest ZIP codes

  1. Philip Abel, MDDallas, TX 752011679656763
  2. Brian Blake, D.O.Dallas, TX 752011952578064
  3. Bryan Buchanan, MDDallas, TX 752011811210537
  4. Allison Esenwine, MDDallas, TX 752011891719407
  5. Justin Fleishman, MDDallas, TX 752011821299108
  6. Omer JamalDallas, TX 752011508157785
  7. Amy Kahn, M.D.Dallas, TX 752011427177963
  8. Andy Kahn, M.D.Dallas, TX 752011649399189

Common questions

What is Sandra L. Mostaccio-Sweeney, M.D.'s NPI number?

Sandra L. Mostaccio-Sweeney, M.D.'s National Provider Identifier (NPI) is 1689695199, issued on Jul 21, 2006. An NPI identifies a provider in billing; it is not a license.

Where is Sandra L. Mostaccio-Sweeney, M.D. located?

The NPPES record lists a practice address at 1717 Main St, Dallas, TX, 75201. Phone: (800) 527-2145. Providers update this record themselves, so call before visiting.

How can I verify Sandra L. Mostaccio-Sweeney, M.D.'s license?

NPPES lists Texas license number N4603, 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.

How much does Sandra L. Mostaccio-Sweeney, M.D. prescribe under Medicare Part D?

In 2024, Sandra L. Mostaccio-Sweeney, M.D. had 108 Medicare Part D claims for 82 beneficiaries; the average among emergency medicine physician prescribers was 226. Part D covers Medicare prescriptions only.

What is Sandra L. Mostaccio-Sweeney, M.D.'s MIPS final score?

The 2023 MIPS final score is 81 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.

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.