NPPES file of Aug 9, 2026

William F. Southworth, MD

Cardiovascular Disease Physician · Farmington Mo, MO

William F. Southworth, MD is a cardiovascular disease physician with a practice address in Farmington Mo, Missouri, and NPI 1265499347, issued on May 1, 2006. Check the license (Missouri R7100, as entered in NPPES) on the Missouri Board of Registration for the Healing Arts; the Medicare figures below come from public CMS files.

Record from CMS NPPES, file of Aug 9, 2026 · Medicare files 2024 · method · Verify with CMS →

NPPES recordNPPES file of Aug 9, 2026
1265499347
Name
William F. Southworth
Credential
MD
Primary taxonomy
Cardiovascular Disease Physician 207RC0000X
License numbers
R7100 MO
036060822 IL
Self-reported in NPPES; status is on the state search
Practice location
1151 Hazel Lane, Farmington Mo, MO 63640
Phone
(573) 747-1777
Enumerated
May 1, 2006
Record last updated
Jul 10, 2015 (not updated in 11 years: call before relying on the address or phone)
Fax
(573) 747-1077
Medicaid ID
1265499347 MO
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.
Download card Updates feed

Verify William F. Southworth in five checks

  1. 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
  2. 2LicenseActive license and public ordersMissouri Board of Registration for the Healing Arts
    Search for license R7100
    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 Missouri 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.

Is this page about you? You can ask us to correct, restrict or remove it: how.

75% more Medicare Part D claims than the average cardiovascular disease physician in 2024

5,390 Medicare Part D claims for 420 beneficiaries, against an average of 3,078 among the 20,728 providers of this specialty who prescribed in Part D. Brand-name drugs were 13% of claims.

  1. William Southworth5,390
  2. Specialty average3,078

Most prescribed

  1. Metoprolol Succinate506 claims
  2. Atorvastatin Calcium500 claims
  3. Potassium Chloride352 claims
  4. Amlodipine Besylate303 claims
  5. Rosuvastatin Calcium298 claims
  6. Furosemide263 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.

William F. Southworth among 446 cardiovascular disease physician records in Missouri

William F. Southworth, MD is one of 446 cardiovascular disease physician records with a practice address in Missouri. 81% 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 16% of them.

  • NPI issued2006 · 16% of these records are older, 40% newer
  • In a Medicare fileYes · 81% of these records are
  • In the CMS Doctors and Clinicians fileNo · 66% of these records are
  • Record last updated2015 · 52% of these records were not updated in five years or more

Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 207RC0000X and a Missouri practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).

Cardiovascular Disease Physician providers in Missouri

There are 446 cardiovascular disease physician records in Missouri.

The 8 cardiovascular disease physician records with the nearest ZIP codes

  1. Pervez Alvi, M.D.Farmington, MO 636401932160348
  2. Mark Chin, MDFarmington, MO 636401104872381
  3. Bryan Piotrowski, M.D.Farmington, MO 636401962586289
  4. Archana Sinha, M.D.Farmington, MO 636401386932978
  5. Matthew Bosner, MDSte Genevieve, MO 636701922088749
  6. Gordon Haycraft, MDCape Girardeau, MO 637011922105220
  7. Bryan Beck, MDCape Girardeau, MO 637031720018179
  8. Joseph Dwyer, MDCape Girardeau, MO 637031720062532

Common questions

What is William F. Southworth, MD's NPI number?

William F. Southworth, MD's National Provider Identifier (NPI) is 1265499347, issued on May 1, 2006. An NPI identifies a provider in billing; it is not a license.

Where is William F. Southworth, MD located?

The NPPES record lists a practice address at 1151 Hazel Lane, Farmington Mo, MO, 63640. Phone: (573) 747-1777. Providers update this record themselves, so call before visiting.

How can I verify William F. Southworth, MD's license?

NPPES lists Missouri license number R7100, as entered by the provider. Search the Missouri Board of Registration for the Healing Arts at https://www.fsmb.org/contact-a-state-medical-board/. The NPPES record confirms identity only; the state search shows license status, expiration and public orders.

How much does William F. Southworth, MD prescribe under Medicare Part D?

In 2024, William F. Southworth, MD had 5,390 Medicare Part D claims for 420 beneficiaries; the average among cardiovascular disease physician prescribers was 3,078. Part D covers Medicare prescriptions only.

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.