NPPES file of Aug 9, 2026

Michael C. Treisman, MD

Internal Medicine Physician · Florissant, MO

Michael C. Treisman, MD is an internal medicine physician with a practice address in Florissant, Missouri, and NPI 1184685455, issued on Mar 28, 2006. Check the license (Missouri 105350, 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
1184685455
Name
Michael C. Treisman
Credential
MD
Primary taxonomy
Internal Medicine Physician 207R00000X
License number
105350 MO
Self-reported in NPPES; status is on the state search
Practice location
91 Florissant Oaks Shop Ctr, Florissant, MO 63031
Phone
(314) 831-8600
Enumerated
Mar 28, 2006
Record last updated
Apr 2, 2015 (not updated in 11 years: call before relying on the address or phone)
Medicare enrollment
Enrolled (PECOS I20070525000054); accepts Medicare assignment
Telehealth
Offers telehealth (CMS)
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 91 Florissant Oaks Shop Ctr

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

  1. Karl Collins, D.P.M.Podiatrist1376587535
  2. Jeffrey Faron, MDInternal Medicine Physician1316911829
  3. Mark Faron, MDInternal Medicine Physician1356314041
  4. Amy Garvey, ANP-BCAdult Health Nurse Practitioner1134557770
  5. Andrew Kazdan, MDInternal Medicine Physician1811963903

Verify Michael C. Treisman 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 105350
    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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4.8 times the Medicare Part D claims of the average internal medicine physician in 2024

15,087 Medicare Part D claims for 1,279 beneficiaries, against an average of 3,176 among the 108,855 providers of this specialty who prescribed in Part D. Brand-name drugs were 13% of claims. 1,067 claims were for opioids.

  1. Michael Treisman15,087
  2. Specialty average3,176

Most prescribed

  1. Atorvastatin Calcium1,001 claims
  2. Alprazolam728 claims
  3. Amlodipine Besylate579 claims
  4. Levothyroxine Sodium416 claims
  5. Hydrocodone-Acetaminophen409 claims
  6. Lisinopril375 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.

Industry payments in 2024: $696.07

45 payments; by number, the most common kind was food and beverage; the largest payer was GlaxoSmithKline, LLC. The 50,334 providers of this specialty with any payment received $1,303.06 on average. Payments are reported by manufacturers, not by the provider, and are not a sign of wrongdoing.

  1. Michael Treisman$696.07
  2. Specialty average$1,303.06

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

Bills Medicare through 2 group practices

  1. Aging Well Health Care, LLCSaint Louis, MO
  2. Mercy Clinic East CommunitiesBallwin, MO

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

Michael C. Treisman among 2,604 internal medicine physician records in Missouri

Michael C. Treisman, MD is one of 2,604 internal medicine physician records with a practice address in Missouri. 77% 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 8% of them.

  • NPI issued2006 · 8% of these records are older, 59% newer
  • In a Medicare fileYes · 77% of these records are
  • In the CMS Doctors and Clinicians fileYes · 55% of these records are
  • Graduated1989 · median 2006 among the 1,443 with a school on file
  • Record last updated2015 · 48% of these records were not updated in five years or more

Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 207R00000X and a Missouri practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).

27 internal medicine physician records list a practice address in Florissant

They are 27 of the 1,326 NPPES records with a practice address in Florissant, and 2,604 internal medicine physician records in Missouri.

The 8 internal medicine physician records with the nearest ZIP codes

  1. Mohamed Ali, M.D.Florissant, MO 630311285607135
  2. Juan Alvarez, M.D.Florissant, MO 630311356315634
  3. Charmaine Ansari, MDFlorissant, MO 630311972613297
  4. Yolanda Bledsoe, MDFlorissant, MO 630311396855391
  5. Mark Faron, MDFlorissant, MO 630311356314041
  6. Jeffrey Faron, MDFlorissant, MO 630311316911829
  7. Andrew Kazdan, MDFlorissant, MO 630311811963903
  8. Dennis Patton, M.D.Florissant, MO 630311447231196

Common questions

What is Michael C. Treisman, MD's NPI number?

Michael C. Treisman, MD's National Provider Identifier (NPI) is 1184685455, issued on Mar 28, 2006. An NPI identifies a provider in billing; it is not a license.

Where is Michael C. Treisman, MD located?

The NPPES record lists a practice address at 91 Florissant Oaks Shop Ctr, Florissant, MO, 63031. Phone: (314) 831-8600. Providers update this record themselves, so call before visiting.

How can I verify Michael C. Treisman, MD's license?

NPPES lists Missouri license number 105350, 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 Michael C. Treisman, MD prescribe under Medicare Part D?

In 2024, Michael C. Treisman, MD had 15,087 Medicare Part D claims for 1,279 beneficiaries; the average among internal medicine physician prescribers was 3,176. 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.