Michael P. O'Conner, DO
Internal Medicine Physician · Des Moines, IA
Michael P. O'Conner, DO is an internal medicine physician with a practice address in Des Moines, Iowa, and NPI 1396724167, issued on Jan 11, 2006. Check the license (Iowa 3403, as entered in NPPES) on the Iowa Board of Medicine; the Medicare figures below come from public CMS files.
- Name
- Michael P. O'Conner
- Credential
- DO
- Primary taxonomy
- Internal Medicine Physician 207R00000X
- License number
- 3403 IA
Self-reported in NPPES; status is on the state search - Practice location
- 1221 Pleasant St, Des Moines, IA 50309
- Phone
- (515) 241-8222
- Enumerated
- Jan 11, 2006
- Record last updated
- Aug 27, 2012 (not updated in 14 years: call before relying on the address or phone)
- Fax
- (515) 241-4118
- Medicaid ID
- 0291385 IA
- Medicare enrollment
- Enrolled (PECOS I20040927000722); accepts Medicare assignment
- Medical or professional school
- Des Moines University Of Osteopathic Medicine And Health Sciences, 2000
- Entity
- Type 1 · individual
8 nearest internal medicine physician records → All 871 in Iowa → Look up another NPI →
Also registered at 1221 Pleasant St
A shared address usually means a shared clinic or building; it does not show who employs whom.
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Verify Michael P. O'Conner in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersIowa Board of Medicine
Search for license 3403Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
16.4 times the Medicare Part D claims of the average internal medicine physician in 2024
52,104 Medicare Part D claims for 1,606 beneficiaries, against an average of 3,176 among the 108,855 providers of this specialty who prescribed in Part D. Brand-name drugs were 17% of claims. 501 claims were for opioids.
Most prescribed
- Levothyroxine Sodium2,653 claims
- Atorvastatin Calcium2,338 claims
- Furosemide1,857 claims
- Sertraline Hcl1,591 claims
- Amlodipine Besylate1,550 claims
- Eliquis1,524 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: $74.95
3 payments; by number, the most common kind was food and beverage; the largest payer was Takeda Pharmaceuticals U.S.A., 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.
Source: CMS Open Payments, program year 2024 (openpaymentsdata.cms.gov); average among providers of this specialty with at least one payment.
Bills Medicare through 6 group practices
- CH Specialty Services IA PCOsceola, IA
- Curana Health OF Iowa PLLCOsceola, IA
- Iowa Physicians Clinic Medical FoundationDes Moines, IA
- Metro Geriatric ServicesWest Des Moines, IA
- Metro Geriatric Services 2 LLCWest Des Moines, IA
- Midwest Post Acute Care Aco PLLCGranger, IA
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Michael P. O'Conner among 871 internal medicine physician records in Iowa
Michael P. O'Conner, DO is one of 871 internal medicine physician records with a practice address in Iowa. 70% 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, 62% newer
- In a Medicare fileYes · 70% of these records are
- In the CMS Doctors and Clinicians fileYes · 44% of these records are
- Graduated2000 · median 2008 among the 386 with a school on file
- Record last updated2012 · 46% 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 Iowa practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
226 internal medicine physician records list a practice address in Des Moines
They are 226 of the 5,538 NPPES records with a practice address in Des Moines, and 871 internal medicine physician records in Iowa.
All 871 in Iowa → Every provider in Des Moines → Internal Medicine Physician nationwide →
The 8 internal medicine physician records with the nearest ZIP codes
- Steven Bunge, MDDes Moines, IA 503091568460012
- John Carstensen, MDDes Moines, IA 503091851378012
- Christopher Covert, DODes Moines, IA 503091891772968
- Steven Craig, MDDes Moines, IA 503091316924491
- Sean Cunningham, M.D.Des Moines, IA 503091023001559
- Carole Frier, D.O.Des Moines, IA 503091730151374
- Richard Gloor, M.D.Des Moines, IA 503091770577769
- Todd Jensen, M.D.Des Moines, IA 503091952396616
Common questions
What is Michael P. O'Conner, DO's NPI number?
Michael P. O'Conner, DO's National Provider Identifier (NPI) is 1396724167, issued on Jan 11, 2006. An NPI identifies a provider in billing; it is not a license.
Where is Michael P. O'Conner, DO located?
The NPPES record lists a practice address at 1221 Pleasant St, Des Moines, IA, 50309. Phone: (515) 241-8222. Providers update this record themselves, so call before visiting.
How can I verify Michael P. O'Conner, DO's license?
NPPES lists Iowa license number 3403, 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 Michael P. O'Conner, DO prescribe under Medicare Part D?
In 2024, Michael P. O'Conner, DO had 52,104 Medicare Part D claims for 1,606 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.