Ivan Arismendi Ortiz, M.D.
Internal Medicine Physician · Springfield, MO
Ivan Arismendi Ortiz, M.D. is an internal medicine physician with a practice address in Springfield, Missouri, and NPI 1366814634, issued on Oct 27, 2015. Check the license (Missouri 2018029215, as entered in NPPES) on the Missouri Board of Registration for the Healing Arts; the Medicare figures below come from public CMS files.
- Name
- Ivan Arismendi Ortiz
- Credential
- M.D.
- Primary taxonomy
- Internal Medicine Physician 207R00000X
- License number
- 2018029215 MO
Self-reported in NPPES; status is on the state search - Practice location
- 1001 E Primrose St, Springfield, MO 65807
- Phone
- (417) 875-3000
- Enumerated
- Oct 27, 2015
- Record last updated
- Jul 27, 2022
- Medicare enrollment
- Enrolled (PECOS I20181020000569); accepts Medicare assignment
- Entity
- Type 1 · individual
8 nearest internal medicine physician records → All 2,604 in Missouri → Look up another NPI →
Also registered at 1001 E Primrose St
A shared address usually means a shared clinic or building; it does not show who employs whom.
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Verify Ivan Arismendi Ortiz in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersMissouri Board of Registration for the Healing Arts
Search for license 2018029215Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
29% more Medicare Part D claims than the average internal medicine physician in 2024
4,103 Medicare Part D claims for 299 beneficiaries, against an average of 3,176 among the 108,855 providers of this specialty who prescribed in Part D. Brand-name drugs were 12% of claims.
Most prescribed
- Gabapentin273 claims
- Pravastatin Sodium231 claims
- Atorvastatin Calcium210 claims
- Amlodipine Besylate197 claims
- Lisinopril196 claims
- Levothyroxine Sodium188 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.
No measured MIPS final score for 2023
CMS assigned the neutral MIPS final score of 75 without scoring Quality, Cost, Promoting Interoperability or Improvement Activities. It is an administrative threshold, so PlainDoctor does not compare it with measured clinicians.
Source: CMS Quality Payment Program, MIPS performance year 2023, group reporting; category weights for 2023 (qpp.cms.gov).
Industry payments in 2024: $648.69
35 payments; by number, the most common kind was food and beverage; the largest payer was AstraZeneca Pharmaceuticals LP. 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.
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
- Lester E Cox Medical CentersSpringfield, MO
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Ivan Arismendi Ortiz among 2,604 internal medicine physician records in Missouri
Ivan Arismendi Ortiz, M.D. 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 2015, is newer than 62% of them.
- NPI issued2015 · 62% of these records are older, 36% newer
- In a Medicare fileYes · 77% of these records are
- In the CMS Doctors and Clinicians fileYes · 55% of these records are
- Graduated2014 · median 2006 among the 1,443 with a school on file
- Record last updated2022 · 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).
135 internal medicine physician records list a practice address in Springfield
They are 135 of the 6,403 NPPES records with a practice address in Springfield, and 2,604 internal medicine physician records in Missouri.
All 2,604 in Missouri → Every provider in Springfield → Internal Medicine Physician nationwide →
The 8 internal medicine physician records with the nearest ZIP codes
- William Baird, DOSpringfield, MO 658071194798512
- Gigi Baker, MDSpringfield, MO 658071184666117
- John Caster, MDSpringfield, MO 658071902849854
- John Dexter, MDSpringfield, MO 658071205805538
- Stephen Holmes, MDSpringfield, MO 658071831132240
- Frederick Lobati, M.D.Springfield, MO 658071306823273
- William Moore, MDSpringfield, MO 658071700829819
- Lisa Pham, M.D.Springfield, MO 658071275502379
Common questions
What is Ivan Arismendi Ortiz, M.D.'s NPI number?
Ivan Arismendi Ortiz, M.D.'s National Provider Identifier (NPI) is 1366814634, issued on Oct 27, 2015. An NPI identifies a provider in billing; it is not a license.
Where is Ivan Arismendi Ortiz, M.D. located?
The NPPES record lists a practice address at 1001 E Primrose St, Springfield, MO, 65807. Phone: (417) 875-3000. Providers update this record themselves, so call before visiting.
How can I verify Ivan Arismendi Ortiz, M.D.'s license?
NPPES lists Missouri license number 2018029215, 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 Ivan Arismendi Ortiz, M.D. prescribe under Medicare Part D?
In 2024, Ivan Arismendi Ortiz, M.D. had 4,103 Medicare Part D claims for 299 beneficiaries; the average among internal medicine physician prescribers was 3,176. Part D covers Medicare prescriptions only.
What is Ivan Arismendi Ortiz, M.D.'s MIPS final score?
CMS assigned the neutral MIPS final score of 75 for 2023 without scoring any category, so it is not a measured result.
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.