NPPES file of Aug 9, 2026

Ronald Joseph Kolegraff, M.D.

Surgery Physician · Okoboji, IA

Ronald Joseph Kolegraff, M.D. is a surgery physician with a practice address in Okoboji, Iowa, and NPI 1891757878, issued on Apr 5, 2006. Check the license (Iowa 24582, as entered in NPPES) on the Iowa Board of Medicine; 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
1891757878
Name
Ronald Joseph Kolegraff
Credential
M.D.
Primary taxonomy
Surgery Physician 208600000X
License number
24582 IA
Self-reported in NPPES; status is on the state search
Practice location
1008 Eastview Ave, Okoboji, IA 51355
Phone
(712) 332-6001
Enumerated
Apr 5, 2006
Record last updated
Apr 20, 2022
Fax
(712) 332-6010
Medicaid ID
0223222 IA
Medicare enrollment
Enrolled (PECOS I20070305000385); accepts Medicare assignment
Medical or professional school
Un Of California, Irvine, College Of Medicine, 1982
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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Verify Ronald Joseph Kolegraff in five checks

  1. 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
  2. 2LicenseActive license and public ordersIowa Board of Medicine
    Search for license 24582
    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 Iowa license search

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43% fewer Medicare Part D claims than the average surgery physician in 2024

84 Medicare Part D claims for 34 beneficiaries, against an average of 147 among the 20,115 providers of this specialty who prescribed in Part D. 11 claims were for opioids.

  1. Ronald Kolegraff84
  2. Specialty average147

Most prescribed

  1. Cephalexin29 claims
  2. Progesterone26 claims
  3. Lorazepam11 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: $96.99

3 payments; by number, the most common kind was food and beverage; the largest payer was Mentor Worldwide LLC. The 17,103 providers of this specialty with any payment received $3,513.80 on average. Payments are reported by manufacturers, not by the provider, and are not a sign of wrongdoing.

  1. Ronald Kolegraff$96.99
  2. Specialty average$3,513.80

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. MY Skin Clinics PLCSpirit Lake, IA

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

Ronald Joseph Kolegraff among 437 surgery physician records in Iowa

Ronald Joseph Kolegraff, M.D. is one of 437 surgery physician records with a practice address in Iowa. 73% 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 11% of them.

  • NPI issued2006 · 11% of these records are older, 63% newer
  • In a Medicare fileYes · 73% of these records are
  • In the CMS Doctors and Clinicians fileYes · 50% of these records are
  • Graduated1982 · median 2005 among the 218 with a school on file
  • Record last updated2022 · 49% of these records were not updated in five years or more

Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 208600000X and a Iowa practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).

Surgery Physician providers in Iowa

There are 437 surgery physician records in Iowa.

The 8 surgery physician records with the nearest ZIP codes

  1. Mark Abraham, MDCarroll, IA 514011760612964
  2. Rachel Knudson, D.O.Carroll, IA 514011619107034
  3. Josh Smith, D.O.Carroll, IA 514011639127368
  4. Benjamin Branigan, MDSpencer, IA 513011780206110
  5. Jeffre Helmink, M.D.Spencer, IA 513011629057104
  6. Jason Keonin, M.D.Spencer, IA 513011790711885
  7. Brian Luepke, M.D.Spencer, IA 513011124007893
  8. Jaren Ricker, M.D.Spencer, IA 513011437386125

Common questions

What is Ronald Joseph Kolegraff, M.D.'s NPI number?

Ronald Joseph Kolegraff, M.D.'s National Provider Identifier (NPI) is 1891757878, issued on Apr 5, 2006. An NPI identifies a provider in billing; it is not a license.

Where is Ronald Joseph Kolegraff, M.D. located?

The NPPES record lists a practice address at 1008 Eastview Ave, Okoboji, IA, 51355. Phone: (712) 332-6001. Providers update this record themselves, so call before visiting.

How can I verify Ronald Joseph Kolegraff, M.D.'s license?

NPPES lists Iowa license number 24582, as entered by the provider. Search the Iowa Board of Medicine at https://dial.iowa.gov/about-dial/boards-and-commissions/medicine. The NPPES record confirms identity only; the state search shows license status, expiration and public orders.

How much does Ronald Joseph Kolegraff, M.D. prescribe under Medicare Part D?

In 2024, Ronald Joseph Kolegraff, M.D. had 84 Medicare Part D claims for 34 beneficiaries; the average among surgery physician prescribers was 147. 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.