Joseph S. Dillon, MD
Endocrinology, Diabetes & Metabolism Physician · Iowa City, IA
Joseph S. Dillon, MD is an endocrinology, diabetes & metabolism physician with a practice address in Iowa City, Iowa, and NPI 1710960026, issued on Nov 22, 2005. Check the license (Iowa 31392, as entered in NPPES) on the Iowa Board of Medicine; the Medicare figures below come from public CMS files.
- Name
- Joseph S. Dillon
- Credential
- MD
- Primary taxonomy
- Endocrinology, Diabetes & Metabolism Physician 207RE0101X
- License number
- 31392 IA
Self-reported in NPPES; status is on the state search - Practice location
- 200 Hawkins Dr, Iowa City, IA 52242
- Phone
- (319) 353-7812
- Enumerated
- Nov 22, 2005
- Record last updated
- Nov 29, 2007 (not updated in 19 years: call before relying on the address or phone)
- Fax
- (319) 353-7850
- Medicaid ID
- 0143628 IA
- Medicare enrollment
- Enrolled (PECOS I20100220000082); accepts Medicare assignment
- Telehealth
- Offers telehealth (CMS)
- Entity
- Type 1 · individual
Also registered at 200 Hawkins Dr
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Helena Aaberg, MDAnesthesiology Physician1689301558
- Abdullah Abbasi, MDGastroenterology Physician1932944204
- Mary Jo Abbott, RPHPharmacist1841325875
- Francois Abboud, MDCardiovascular Disease Physician1598753113
- Abdalla Abdalla, MBBCHAnatomic Pathology & Clinical Pathology Physician1518859826
- Sameh AbdallaAnatomic Pathology & Clinical Pathology Physician1437902160
Verify Joseph S. Dillon in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersIowa Board of Medicine
Search for license 31392Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
95% fewer Medicare Part D claims than the average endocrinology, diabetes & metabolism physician in 2024
119 Medicare Part D claims for 40 beneficiaries, against an average of 2,630 among the 8,223 providers of this specialty who prescribed in Part D. Brand-name drugs were 22% of claims.
Most prescribed
- Levothyroxine Sodium21 claims
- Octreotide Acetate20 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.
Bills Medicare through one group practice
- State University OF IowaIowa City, IA
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Endocrinology, Diabetes & Metabolism Physician providers in Iowa
There are 52 endocrinology, diabetes & metabolism physician records in Iowa.
Other endocrinology, diabetes & metabolism physician records in Iowa
- Amenah Al-Juboori, MDBettendorf, IA1700451697
- Rami Almokayyad, MDAmes, IA1194929786
- Vidya Aluri, M.D.Coralville, IA1487803615
- Anuj Bhargava, MDWest Des Moines, IA1669563052
- Elizabeth Bowen, MDIowa City, IA1003264185
- Erin Briggie, MDCedar Rapids, IA1508357203
- Scott Brock, M.D.Dubuque, IA1811904485
- Richard Carano, MDAmes, IA1518954502
- Marcelo Correia, MD, MSC, PHDIowa City, IA1235421140
- Fnu Deepika, MDWaterloo, IA1386166171
Common questions
What is Joseph S. Dillon, MD's NPI number?
Joseph S. Dillon, MD's National Provider Identifier (NPI) is 1710960026, issued on Nov 22, 2005. An NPI identifies a provider in billing; it is not a license.
Where is Joseph S. Dillon, MD located?
The NPPES record lists a practice address at 200 Hawkins Dr, Iowa City, IA, 52242. Phone: (319) 353-7812. Providers update this record themselves, so call before visiting.
How can I verify Joseph S. Dillon, MD's license?
NPPES lists Iowa license number 31392, 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 S. Dillon, MD prescribe under Medicare Part D?
In 2024, Joseph S. Dillon, MD had 119 Medicare Part D claims for 40 beneficiaries; the average among endocrinology, diabetes & metabolism physician prescribers was 2,630. 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.