NPPES file of Aug 9, 2026

Tracy M. Riordan, M.D.

Internal Medicine Physician · Imperial, MO

Tracy M. Riordan, M.D. is an internal medicine physician with a practice address in Imperial, Missouri, and NPI 1124094362, issued on Feb 27, 2006. Check the license (Missouri 2002013047, 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
1124094362
Name
Tracy M. Riordan
Credential
M.D.
Primary taxonomy
Internal Medicine Physician 207R00000X
License number
2002013047 MO
Self-reported in NPPES; status is on the state search
Practice location
1254 Main St, Imperial, MO 63052
Phone
(636) 741-3130
Enumerated
Feb 27, 2006
Record last updated
Sep 20, 2017 (not updated in 9 years: call before relying on the address or phone)
Medicaid ID
1124094362 MO
Medicare enrollment
Enrolled (PECOS I20031218000167); accepts Medicare assignment
Medical or professional school
Saint Louis University School Of Medicine, 2000
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 1254 Main St

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

  1. Tina AndrewsFamily Nurse Practitioner1528580479
  2. Lindsey Bender, FNPFamily Nurse Practitioner1649958703
  3. Alexis Olson, PA-CPhysician Assistant1396352860
  4. Amanda Turner, DOFamily Medicine Physician1104389824
  5. Anissa Wheeler, MSN, APRN, FNP-BCFamily Nurse Practitioner1467059972

Verify Tracy M. Riordan 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 2002013047
    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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2.4 times the Medicare Part D claims of the average internal medicine physician in 2024

7,676 Medicare Part D claims for 593 beneficiaries, against an average of 3,176 among the 108,855 providers of this specialty who prescribed in Part D. Brand-name drugs were 10% of claims. 293 claims were for opioids.

  1. Tracy Riordan7,676
  2. Specialty average3,176

Most prescribed

  1. Atorvastatin Calcium603 claims
  2. Levothyroxine Sodium297 claims
  3. Lisinopril291 claims
  4. Amlodipine Besylate254 claims
  5. Losartan Potassium254 claims
  6. Hydrochlorothiazide207 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: $891.95

55 payments; by number, the most common kind was food and beverage; the largest payer was Abbvie Inc. 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. Tracy Riordan$891.95
  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 one group practice

  1. Mercy Clinic East CommunitiesImperial, MO

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

2 internal medicine physician records list a practice address in Imperial

They are 2 of the 94 NPPES records with a practice address in Imperial, and 2,604 internal medicine physician records in Missouri.

Other internal medicine physician records in Missouri

  1. Betty Abban, M.D.Springfield, MO1063893162
  2. Amer Abbas, MDSaint Louis, MO1508480666
  3. Fizza Abbas, MDSaint Louis, MO1588079230
  4. Marghoob Abbas, M.D.St Joseph, MO1588603781
  5. Muhammad Khalid Abbas, M.D.Springfield, MO1447877089
  6. Sundas Abbas, MDRichmond Heights, MO1649790486
  7. Hajira Abbasi, DOSaint Louis, MO1194036947
  8. Catey Abbott, DOSaint Louis, MO1699355347
  9. David Abbott, MDRichmond Heights, MO1568448850
  10. Wael Abduljaber, MDSaint Louis, MO1174101489

Common questions

What is Tracy M. Riordan, M.D.'s NPI number?

Tracy M. Riordan, M.D.'s National Provider Identifier (NPI) is 1124094362, issued on Feb 27, 2006. An NPI identifies a provider in billing; it is not a license.

Where is Tracy M. Riordan, M.D. located?

The NPPES record lists a practice address at 1254 Main St, Imperial, MO, 63052. Phone: (636) 741-3130. Providers update this record themselves, so call before visiting.

How can I verify Tracy M. Riordan, M.D.'s license?

NPPES lists Missouri license number 2002013047, 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 Tracy M. Riordan, M.D. prescribe under Medicare Part D?

In 2024, Tracy M. Riordan, M.D. had 7,676 Medicare Part D claims for 593 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.