Joseph Leonard Monahan, D.O.
Family Medicine Physician · Clinton, IA
Joseph Leonard Monahan, D.O. is a family medicine physician with a practice address in Clinton, Iowa, and NPI 1609870260, issued on Jun 10, 2005. Check the license (Iowa 02307, as entered in NPPES) on the Iowa Board of Medicine; the Medicare figures below come from public CMS files.
- Name
- Joseph Leonard Monahan
- Credential
- D.O.
- Primary taxonomy
- Family Medicine Physician 207Q00000X
- License number
- 02307 IA
Self-reported in NPPES; status is on the state search - Practice location
- 915 13TH Ave N, Clinton, IA 52732
- Phone
- (563) 243-2511
- Enumerated
- Jun 10, 2005
- Record last updated
- Mar 17, 2018 (not updated in 8 years: call before relying on the address or phone)
- Medicaid ID
- 2206185 IA
- Entity
- Type 1 · individual
8 nearest family medicine physician records → All 2,336 in Iowa → Look up another NPI →
Also registered at 915 13TH Ave N
A shared address usually means a shared clinic or building; it does not show who employs whom.
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Verify Joseph Leonard Monahan in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersIowa Board of Medicine
Search for license 02307Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
31% fewer Medicare Part D claims than the average family medicine physician in 2024
2,431 Medicare Part D claims for 298 beneficiaries, against an average of 3,544 among the 117,163 providers of this specialty who prescribed in Part D. Brand-name drugs were 7% of claims.
Most prescribed
- Atorvastatin Calcium242 claims
- Amlodipine Besylate146 claims
- Simvastatin101 claims
- Potassium Chloride88 claims
- Levothyroxine Sodium86 claims
- Metoprolol Succinate86 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.
Joseph Leonard Monahan among 2,336 family medicine physician records in Iowa
Joseph Leonard Monahan, D.O. is one of 2,336 family medicine physician records with a practice address in Iowa. 75% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2005, is newer than 0% of them.
- NPI issued2005 · 0% of these records are older, 84% newer
- In a Medicare fileYes · 75% of these records are
- In the CMS Doctors and Clinicians fileNo · 59% of these records are
- Record last updated2018 · 61% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 207Q00000X and a Iowa practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
14 family medicine physician records list a practice address in Clinton
They are 14 of the 507 NPPES records with a practice address in Clinton, and 2,336 family medicine physician records in Iowa.
All 2,336 in Iowa → Every provider in Clinton → Family Medicine Physician nationwide →
The 8 family medicine physician records with the nearest ZIP codes
- David Brennan, D.O.Clinton, IA 527321306887906
- Shona Ernst, ARNPClinton, IA 527321689348633
- Donald Flory, M.D.Clinton, IA 527321124078266
- Stephanie Hoff, M.D.Clinton, IA 527321386838399
- William Ingram, MDClinton, IA 527321013996636
- Amy Kibler, D.O.Clinton, IA 527321821318163
- Mel Marilim, M.D.Clinton, IA 527321225080666
- Stephen Mericle, MDClinton, IA 527321609338896
Common questions
What is Joseph Leonard Monahan, D.O.'s NPI number?
Joseph Leonard Monahan, D.O.'s National Provider Identifier (NPI) is 1609870260, issued on Jun 10, 2005. An NPI identifies a provider in billing; it is not a license.
Where is Joseph Leonard Monahan, D.O. located?
The NPPES record lists a practice address at 915 13TH Ave N, Clinton, IA, 52732. Phone: (563) 243-2511. Providers update this record themselves, so call before visiting.
How can I verify Joseph Leonard Monahan, D.O.'s license?
NPPES lists Iowa license number 02307, 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 Joseph Leonard Monahan, D.O. prescribe under Medicare Part D?
In 2024, Joseph Leonard Monahan, D.O. had 2,431 Medicare Part D claims for 298 beneficiaries; the average among family medicine physician prescribers was 3,544. 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.