NPPES file of Aug 9, 2026

Ralph J. Duda, M.D.

Endocrinology, Diabetes & Metabolism Physician · Springfield, MO

Ralph J. Duda, M.D. is an endocrinology, diabetes & metabolism physician with a practice address in Springfield, Missouri, and NPI 1356436406, issued on Oct 4, 2006. Check the license (Missouri R7G82, 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
1356436406
Name
Ralph J. Duda
Credential
M.D.
Primary taxonomy
Endocrinology, Diabetes & Metabolism Physician 207RE0101X
License number
R7G82 MO
Self-reported in NPPES; status is on the state search
Practice location
909 E Republic RD Ste D200, Springfield, MO 65807
Phone
(417) 883-7889
Enumerated
Oct 4, 2006
Record last updated
Apr 13, 2022
Fax
(417) 890-6151
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 endocrinology, diabetes & metabolism physician records → All 206 in Missouri → Look up another NPI →

Also registered at 909 E Republic RD Ste D200

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

  1. Sarah FarmerFamily Nurse Practitioner1245902477
  2. Carol Matthews, NPGeneral Practice Registered Nurse1619949427

Verify Ralph J. Duda 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 R7G82    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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Industry payments in 2024: $82,771.94

119 payments; by number, the most common kind was compensation for services other than consulting, including serving as faculty or as a speaker at a venue other than a continuing education program; the largest payer was Lilly USA, LLC. The 5,661 providers of this specialty with any payment received $5,742.15 on average. Payments are reported by manufacturers, not by the provider, and are not a sign of wrongdoing.

  1. Ralph Duda$82,772
  2. Specialty average$5,742

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

Ralph J. Duda among 206 endocrinology, diabetes & metabolism physician records in Missouri

Ralph J. Duda, M.D. is one of 206 endocrinology, diabetes & metabolism physician records with a practice address in Missouri. 88% 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, 50% newer
  • In a Medicare fileYes · 88% of these records are
  • In the CMS Doctors and Clinicians fileNo · 72% of these records are
  • Record last updated2022 · 45% of these records were not updated in five years or more

Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 207RE0101X and a Missouri practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).

Endocrinology, Diabetes & Metabolism Physician providers in Missouri

There are 206 endocrinology, diabetes & metabolism physician records in Missouri.

All 206 in Missouri → Every provider in Springfield → Endocrinology, Diabetes & Metabolism Physician nationwide →

The 8 endocrinology, diabetes & metabolism physician records with the nearest ZIP codes

  1. Hussam Alhawari, M.D.Springfield, MO 658071538383781
  2. James Bonucchi, DOSpringfield, MO 658071225054109
  3. Nicola Gathaiya, MDSpringfield, MO 658071154513752
  4. Muriel Tania Go, M.D., M.B.A.Springfield, MO 658071205219821
  5. Nadir Khir, MDSpringfield, MO 658071629204003
  6. Gregory Ledger, MDSpringfield, MO 658071205903663
  7. Daniel Lyons, MDSpringfield, MO 658071386641983
  8. Jubran Afzal Khan Rind, MDSpringfield, MO 658071679959712

Common questions

What is Ralph J. Duda, M.D.'s NPI number?

Ralph J. Duda, M.D.'s National Provider Identifier (NPI) is 1356436406, issued on Oct 4, 2006. An NPI identifies a provider in billing; it is not a license.

Where is Ralph J. Duda, M.D. located?

The NPPES record lists a practice address at 909 E Republic RD Ste D200, Springfield, MO, 65807. Phone: (417) 883-7889. Providers update this record themselves, so call before visiting.

How can I verify Ralph J. Duda, M.D.'s license?

NPPES lists Missouri license number R7G82, 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.

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.