NPPES file of Aug 9, 2026

Irwin Plisco, M.D.

Internal Medicine Physician · Florissant, MO

Irwin Plisco, M.D. is an internal medicine physician with a practice address in Florissant, Missouri, and NPI 1871574525, issued on Nov 9, 2005. Check the license (Missouri R8E05, 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
1871574525
Name
Irwin Plisco
Credential
M.D.
Primary taxonomy
Internal Medicine Physician 207R00000X
License numbers
R8E05 MO
24734 IA
Self-reported in NPPES; status is on the state search
Practice location
1224 Graham RD, Florissant, MO 63031
Phone
(314) 839-4554
Enumerated
Nov 9, 2005
Record last updated
Dec 8, 2011 (not updated in 15 years: call before relying on the address or phone)
Fax
(314) 837-0047
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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8 nearest internal medicine physician records → All 2,604 in Missouri → Look up another NPI →

Also registered at 1224 Graham RD

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

  1. Blonie Dudney, MDRetina Specialist (Ophthalmology) Physician1003019019
  2. Elliott Farberman, M.D.Pediatrics Physician1902949126
  3. David Glaser, MDRetina Specialist (Ophthalmology) Physician1891807137
  4. Hamid Hosseini, M.D.Obstetrics & Gynecology Physician1720180193
  5. Shari Kaminsky, DPMFoot & Ankle Surgery Podiatrist1871599811
  6. Edita Mercado, NPObstetrics & Gynecology Nurse Practitioner1700026374

Verify Irwin Plisco 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 R8E05    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

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70% fewer Medicare Part D claims than the average internal medicine physician in 2024

954 Medicare Part D claims for 228 beneficiaries, against an average of 3,176 among the 108,855 providers of this specialty who prescribed in Part D. 47 claims were for opioids.

  1. Irwin Plisco954
  2. Specialty average3,176

Most prescribed

  1. Amlodipine Besylate61 claims
  2. Magnesium Sulfate52 claims
  3. Atorvastatin Calcium33 claims
  4. Alprazolam32 claims
  5. Tramadol Hcl32 claims
  6. Metformin Hcl29 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: $225.15

13 payments; by number, the most common kind was food and beverage; the largest payer was AstraZeneca Pharmaceuticals LP. 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. Irwin Plisco$225.15
  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.

Irwin Plisco among 2,604 internal medicine physician records in Missouri

Irwin Plisco, M.D. 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 2005, is newer than 0% of them.

  • NPI issued2005 · 0% of these records are older, 92% newer
  • In a Medicare fileYes · 77% of these records are
  • In the CMS Doctors and Clinicians fileNo · 55% of these records are
  • Record last updated2011 · 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.

All 2,604 in Missouri → Every provider in Florissant → Internal Medicine Physician nationwide →

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 Irwin Plisco, M.D.'s NPI number?

Irwin Plisco, M.D.'s National Provider Identifier (NPI) is 1871574525, issued on Nov 9, 2005. An NPI identifies a provider in billing; it is not a license.

Where is Irwin Plisco, M.D. located?

The NPPES record lists a practice address at 1224 Graham RD, Florissant, MO, 63031. Phone: (314) 839-4554. Providers update this record themselves, so call before visiting.

How can I verify Irwin Plisco, M.D.'s license?

NPPES lists Missouri license number R8E05, 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 Irwin Plisco, M.D. prescribe under Medicare Part D?

In 2024, Irwin Plisco, M.D. had 954 Medicare Part D claims for 228 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.

Written with AI tools from the named public files; every figure is computed from those files (how it is made).

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.