NPPES file of Aug 9, 2026

Andrew M. Kazdan, MD

Internal Medicine Physician · Florissant, MO

Andrew M. Kazdan, MD is an internal medicine physician with a practice address in Florissant, Missouri, and NPI 1811963903, issued on Feb 27, 2006. Check the license (Missouri 2003027904, 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
1811963903
Name
Andrew M. Kazdan
Credential
MD
Primary taxonomy
Internal Medicine Physician 207R00000X
License number
2003027904 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
Feb 27, 2006
Record last updated
Oct 14, 2011 (not updated in 15 years: call before relying on the address or phone)
Medicare enrollment
Enrolled (PECOS I20040315000468); 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. Michael Treisman, MDInternal Medicine Physician1184685455

Verify Andrew M. Kazdan 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 2003027904
    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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6.3 times the Medicare Part D claims of the average internal medicine physician in 2024

20,144 Medicare Part D claims for 980 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. 1,438 claims were for opioids.

  1. Andrew Kazdan20,144
  2. Specialty average3,176

Most prescribed

  1. Levothyroxine Sodium1,121 claims
  2. Metoprolol Succinate682 claims
  3. Ezetimibe622 claims
  4. Hydrocodone-Acetaminophen617 claims
  5. Pravastatin Sodium616 claims
  6. Amlodipine Besylate597 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: $930.88

59 payments; by number, the most common kind was food and beverage; the largest payer was Lilly USA, 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. Andrew Kazdan$930.88
  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 CommunitiesSaint Louis, MO

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

Andrew M. Kazdan among 2,604 internal medicine physician records in Missouri

Andrew M. Kazdan, 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
  • Graduated1993 · median 2006 among the 1,443 with a school on file
  • 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.

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. Dennis Patton, M.D.Florissant, MO 630311447231196
  8. Irwin Plisco, M.D.Florissant, MO 630311871574525

Common questions

What is Andrew M. Kazdan, MD's NPI number?

Andrew M. Kazdan, MD's National Provider Identifier (NPI) is 1811963903, issued on Feb 27, 2006. An NPI identifies a provider in billing; it is not a license.

Where is Andrew M. Kazdan, 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 Andrew M. Kazdan, MD's license?

NPPES lists Missouri license number 2003027904, 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 Andrew M. Kazdan, MD prescribe under Medicare Part D?

In 2024, Andrew M. Kazdan, MD had 20,144 Medicare Part D claims for 980 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.