NPPES file of Aug 9, 2026

Wei Michael Si, MD

Anatomic Pathology & Clinical Pathology Physician · Irving, TX

Wei Michael Si, MD is an anatomic pathology & clinical pathology physician with a practice address in Irving, Texas, and NPI 1467433532, issued on Nov 7, 2005. Check the license (Texas M2103, 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 · method · Verify with CMS →

NPPES recordNPPES file of Aug 9, 2026
1467433532
Name
Wei Michael Si
Credential
MD
Primary taxonomy
Anatomic Pathology & Clinical Pathology Physician 207ZP0102X
License number
M2103 TX
Self-reported in NPPES; status is on the state search
Practice location
4770 Regent Blvd, Irving, TX 75063
Phone
(972) 934-4300
Enumerated
Nov 7, 2005
Record last updated
Jul 21, 2022
Medicaid ID
178022301 TX
Medicare enrollment
Enrolled (PECOS I20050915001088); 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 4770 Regent Blvd

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

  1. Keith Aldred, MDAnatomic Pathology & Clinical Pathology Physician1629058607
  2. Aditi Anand, MDAnatomic Pathology & Clinical Pathology Physician1184604522
  3. Salman Ayub, M.DAnatomic Pathology & Clinical Pathology Physician1306077557
  4. Sharlene Batiste-Milton, MDAnatomic Pathology & Clinical Pathology Physician1083694079
  5. Margaret Bell, MDAnatomic Pathology & Clinical Pathology Physician1932189388
  6. John Buck, MDAnatomic Pathology & Clinical Pathology Physician1154608552

Verify Wei Michael Si in five checks

  1. 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
  2. 2LicenseActive license and public ordersTexas Medical Board
    Search for license M2103
    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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Bills Medicare through 2 group practices

  1. Austin Pathology AssociatesDallas, TX
  2. Propath Associates PLLCDallas, TX

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

Wei Michael Si among 1,424 anatomic pathology & clinical pathology physician records in Texas

Wei Michael Si, MD is one of 1,424 anatomic pathology & clinical pathology physician records with a practice address in Texas. 65% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2005, is newer than 0% of them.

  • NPI issued2005 · 0% of these records are older, 89% newer
  • In a Medicare fileYes · 65% of these records are
  • In the CMS Doctors and Clinicians fileYes · 61% of these records are
  • Graduated1991 · median 2001 among the 864 with a school on file
  • Record last updated2022 · 58% of these records were not updated in five years or more

Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 207ZP0102X and a Texas practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).

59 anatomic pathology & clinical pathology physician records list a practice address in Irving

They are 59 of the 3,532 NPPES records with a practice address in Irving, and 1,424 anatomic pathology & clinical pathology physician records in Texas.

The 8 anatomic pathology & clinical pathology physician records with the nearest ZIP codes

  1. Keith Aldred, MDIrving, TX 750631629058607
  2. Aditi Anand, MDIrving, TX 750631184604522
  3. Sharlene Batiste-Milton, MDIrving, TX 750631083694079
  4. Margaret Bell, MDIrving, TX 750631932189388
  5. Terri Crook, M.D.Irving, TX 750631982689311
  6. Richard Hare, MDIrving, TX 750631891775714
  7. Stephen Jolissaint, MDIrving, TX 750631659351922
  8. David King, MDIrving, TX 750631285614552

Common questions

What is Wei Michael Si, MD's NPI number?

Wei Michael Si, MD's National Provider Identifier (NPI) is 1467433532, issued on Nov 7, 2005. An NPI identifies a provider in billing; it is not a license.

Where is Wei Michael Si, MD located?

The NPPES record lists a practice address at 4770 Regent Blvd, Irving, TX, 75063. Phone: (972) 934-4300. Providers update this record themselves, so call before visiting.

How can I verify Wei Michael Si, MD's license?

NPPES lists Texas license number M2103, 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.

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.