NPPES file of Aug 9, 2026

John S. Pearson, DO

Family Medicine Physician · Potosi, MO

John S. Pearson, DO is a family medicine physician with a practice address in Potosi, Missouri, and NPI 1639215478, issued on Jan 29, 2007. Check the license (Missouri R6P01, 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
1639215478
Name
John S. Pearson
Credential
DO
Primary taxonomy
Family Medicine Physician 207Q00000X
License number
R6P01 MO
Self-reported in NPPES; status is on the state search
Practice location
1 Southtowne Dr, Potosi, MO 63664
Phone
(573) 438-8309
Enumerated
Jan 29, 2007
Record last updated
Nov 5, 2012 (not updated in 14 years: call before relying on the address or phone)
Medicaid ID
243178423 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.
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Also registered at 1 Southtowne Dr

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

  1. Steffany Ahlheim, FNPFamily Nurse Practitioner1639931355
  2. Bethany Aubuchon, LCSWClinical Social Worker1689275992
  3. Timothy Bass, M.D.Family Medicine Physician1760914980
  4. Melissa Benson, LMSWClinical Social Worker1164206868
  5. Ronnie BuckinghamFamily Nurse Practitioner1609726504
  6. Jason Butler, FNPFamily Nurse Practitioner1417073297

Verify John S. Pearson 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 R6P01
    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.

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98% more Medicare Part D claims than the average family medicine physician in 2024

7,026 Medicare Part D claims for 305 beneficiaries, against an average of 3,544 among the 117,163 providers of this specialty who prescribed in Part D. Brand-name drugs were 10% of claims. 1,002 claims were for opioids.

  1. John Pearson7,026
  2. Specialty average3,544

Most prescribed

  1. Hydrocodone-Acetaminophen476 claims
  2. Atorvastatin Calcium331 claims
  3. Oxycodone-Acetaminophen273 claims
  4. Gabapentin183 claims
  5. Oxycodone Hcl164 claims
  6. Lisinopril146 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.

John S. Pearson among 2,991 family medicine physician records in Missouri

John S. Pearson, DO is one of 2,991 family medicine physician records with a practice address in Missouri. 79% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2007, is newer than 48% of them.

  • NPI issued2007 · 48% of these records are older, 44% newer
  • In a Medicare fileYes · 79% of these records are
  • In the CMS Doctors and Clinicians fileNo · 59% of these records are
  • Record last updated2012 · 53% of these records were not updated in five years or more

Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 207Q00000X and a Missouri practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).

10 family medicine physician records list a practice address in Potosi

They are 10 of the 111 NPPES records with a practice address in Potosi, and 2,991 family medicine physician records in Missouri.

The 8 family medicine physician records with the nearest ZIP codes

  1. Timothy Bass, M.D.Potosi, MO 636641760914980
  2. Steven Ebers, MDPotosi, MO 636641578056800
  3. Tracy Fite, M.D.Potosi, MO 636641578697074
  4. James Hawk, MDPotosi, MO 636641144247693
  5. Marianne Klemm, D.O.Potosi, MO 636641386631596
  6. Ann Schumacher, MDPotosi, MO 636641750322335
  7. Rustico Simpelo, MDPotosi, MO 636641477537801
  8. Gregory Terpstra, DOPotosi, MO 636641952399792

Common questions

What is John S. Pearson, DO's NPI number?

John S. Pearson, DO's National Provider Identifier (NPI) is 1639215478, issued on Jan 29, 2007. An NPI identifies a provider in billing; it is not a license.

Where is John S. Pearson, DO located?

The NPPES record lists a practice address at 1 Southtowne Dr, Potosi, MO, 63664. Phone: (573) 438-8309. Providers update this record themselves, so call before visiting.

How can I verify John S. Pearson, DO's license?

NPPES lists Missouri license number R6P01, 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 John S. Pearson, DO prescribe under Medicare Part D?

In 2024, John S. Pearson, DO had 7,026 Medicare Part D claims for 305 beneficiaries; the average among family medicine physician prescribers was 3,544. 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.