Registry data as of Aug 27, 2026

William Hillegass, MD

Cardiovascular Disease Physician · Jackson, MS

William Hillegass, MD is a cardiovascular disease physician with a practice address in Jackson, Mississippi, and NPI 1619906112, issued on Jun 30, 2006. Check the license (Mississippi 32921, as entered in NPPES) on the Mississippi State Board of Medical Licensure; the Medicare figures below come from public CMS files.

Record from CMS NPPES, loaded Aug 27, 2026 · Medicare files 2023 and 2024 · method · Verify with CMS →

NPPES recordas of Aug 27, 2026
1619906112
Name
William Hillegass
Credential
MD
Primary taxonomy
Cardiovascular Disease Physician 207RC0000X
License number
32921 MS
Self-reported in NPPES; status is on the state search
Practice location
Select Specialty - Cardiology, Jackson, MS 39211
Phone
(601) 984-5678
Enumerated
Jun 30, 2006
Entity
Type 1 · individual
Public record from CMS NPPES (open it on the CMS NPI Registry). A record is not a license: verify it with the state board.
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Verify William Hillegass in five checks

  1. 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
  2. 2LicenseActive license and public ordersMississippi State Board of Medical Licensure
    Search for license 32921
    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 Mississippi 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.

Industry payments in 2024: $231.45

5 payments, mostly food and beverage; the largest payer was Boehringer Ingelheim Pharmaceuticals, Inc.. The 16,209 providers of this specialty with any payment received $4,923.81 on average. Payments are reported by manufacturers, not by the provider, and are not a sign of wrongdoing.

  1. William Hillegass$231.45
  2. Specialty average$4,923.81

Source: CMS Open Payments, program year 2024 (openpaymentsdata.cms.gov); average among providers of this specialty with at least one payment.

One hospital or facility affiliation

  1. State OF Mississippi-University OF Mississippi Medical CenterJackson, MS

Source: CMS Doctors and Clinicians affiliations; Hospital General Information (Care Compare) (data.cms.gov). Star ratings are CMS hospital ratings, not ratings of this provider.

Cardiovascular Disease Physician providers in Mississippi

There are 159 cardiovascular disease physician records in Mississippi.

Other cardiovascular disease physician records in Mississippi

  1. Joseph Adams, MDTupelo, MS1912003005
  2. Satjit Adlakha, D.O.Pascagoula, MS1356550594
  3. Myrna Alexander, M.D.Jackson, MS1285648063
  4. Stephen Anderson, M.D.Jackson, MS1508206913
  5. Kellan Ashley, MDJackson, MS1790714954
  6. Mohammed Awaad, MDGulfport, MS1720039043
  7. Olurotimi Badero, MDJackson, MS1548423114
  8. Abdul Bahro, MDFlowood, MS1447286612
  9. Bassam Baroudi, M.D.Gulfport, MS1487683231
  10. Walter Beard, M.D.Laurel, MS1396032983

Common questions

What is William Hillegass, MD's NPI number?

William Hillegass, MD's National Provider Identifier (NPI) is 1619906112, issued on Jun 30, 2006. An NPI identifies a provider in billing; it is not a license.

Where is William Hillegass, MD located?

The NPPES record lists a practice address at Select Specialty - Cardiology, Jackson, MS, 39211. Phone: (601) 984-5678. Providers update this record themselves, so call before visiting.

How can I verify William Hillegass, MD's license?

NPPES lists Mississippi license number 32921, as entered by the provider. Search the Mississippi State Board of Medical Licensure at https://www.msbml.ms.gov/. 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), loaded Aug 27, 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.

Every figure on PlainDoctor is rendered directly from the federal CMS NPPES registry, Medicare Part D, MIPS, and Open Payments records, no number is typed in by an editor. See our editorial standards & corrections policy, the methodology behind these numbers, or report a data error. Data current as of Aug 27, 2026.