Gary L. Shultz, D.O.
Radiation Oncology Physician · Cedar Rapids, IA
Gary L. Shultz, D.O. is a radiation oncology physician with a practice address in Cedar Rapids, Iowa, and NPI 1538177241, issued on Aug 4, 2006. Check the license on the Iowa Board of Medicine; the Medicare figures below come from public CMS files.
- Name
- Gary L. Shultz
- Credential
- D.O.
- Primary taxonomy
- Radiation Oncology Physician 2085R0001X
- License numbers
- 074594 GA
036-104675 IL
Self-reported in NPPES; status is on the state search - Practice location
- 202 10TH St SE, Cedar Rapids, IA 52403
- Phone
- (563) 556-3944
- Enumerated
- Aug 4, 2006
- Record last updated
- Mar 20, 2019 (not updated in 7 years: call before relying on the address or phone)
- Medicaid IDs
- 1538177241 1 IL
003166645A GA - Entity
- Type 1 · individual
8 nearest radiation oncology physician records → All 67 in Iowa → Look up another NPI →
Also registered at 202 10TH St SE
A shared address usually means a shared clinic or building; it does not show who employs whom.
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- Tracy Alshouse, PACMedical Physician Assistant1528051976
- Vijay Aluri, MBBSRheumatology Physician1215979539
- Amber Arthurs, ARNPNurse Practitioner1790288397
Verify Gary L. Shultz in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersIowa Board of MedicineCheck the board
- 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
The practice group's MIPS final score for 2023 (Medicare payment program): 69.8 of 100
The Merit-based Incentive Payment System score is reported for the practice group, not for one clinician alone. Four categories are weighted into the final score; the average among 454,083 clinicians with a measured score was 83.5.
Source: CMS Quality Payment Program, MIPS performance year 2023, group reporting; category weights for 2023 (qpp.cms.gov).
Gary L. Shultz among 67 radiation oncology physician records in Iowa
Gary L. Shultz, D.O. is one of 67 radiation oncology 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 19% of them.
- NPI issued2006 · 19% of these records are older, 63% newer
- In a Medicare fileYes · 73% of these records are
- In the CMS Doctors and Clinicians fileNo · 67% of these records are
- Record last updated2019 · 60% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 2085R0001X and a Iowa practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
Radiation Oncology Physician providers in Iowa
There are 67 radiation oncology physician records in Iowa.
All 67 in Iowa → Every provider in Cedar Rapids → Radiation Oncology Physician nationwide →
The 8 radiation oncology physician records with the nearest ZIP codes
- Candace Correa, M.D.Cedar Rapids, IA 524031952420671
- Louis Keiler, M.D.Cedar Rapids, IA 524031033322219
- Wook Lee, MDCedar Rapids, IA 524031134135015
- Michael Marquardt, M.D.Cedar Rapids, IA 524031639582810
- Janet Merfeld, MDCedar Rapids, IA 524031639165087
- Gabriel Faria NajasOttumwa, IA 525011295668580
- Yousef Ismael, MDOttumwa, IA 525011922657337
- Daniel Rothfuss, M.D.Ottumwa, IA 525011952302606
Common questions
What is Gary L. Shultz, D.O.'s NPI number?
Gary L. Shultz, D.O.'s National Provider Identifier (NPI) is 1538177241, issued on Aug 4, 2006. An NPI identifies a provider in billing; it is not a license.
Where is Gary L. Shultz, D.O. located?
The NPPES record lists a practice address at 202 10TH St SE, Cedar Rapids, IA, 52403. Phone: (563) 556-3944. Providers update this record themselves, so call before visiting.
How can I verify Gary L. Shultz, D.O.'s license?
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.
What is Gary L. Shultz, D.O.'s MIPS final score?
The 2023 MIPS final score is 69.8 of 100, reported for the practice group. The average among 454,083 clinicians with a measured score was 83.5.
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.