James H. Hahn, MD
Internal Medicine Physician · Davenport, IA
James H. Hahn, MD is an internal medicine physician with a practice address in Davenport, Iowa, and NPI 1902801525, issued on Jun 20, 2005. Check the license (Iowa 23423, as entered in NPPES) on the Iowa Board of Medicine; the Medicare figures below come from public CMS files.
- Name
- James H. Hahn
- Credential
- MD
- Primary taxonomy
- Internal Medicine Physician 207R00000X
- License number
- 23423 IA
Self-reported in NPPES; status is on the state search - Practice location
- 1228 E Rusholme St, Davenport, IA 52803
- Phone
- (563) 421-3122
- Enumerated
- Jun 20, 2005
- Record last updated
- Jun 15, 2009 (not updated in 17 years: call before relying on the address or phone)
- Fax
- (563) 421-3129
- Medicaid IDs
- 8201954 IA
9201954 IA - Entity
- Type 1 · individual
8 nearest internal medicine physician records → All 871 in Iowa → Look up another NPI →
Also registered at 1228 E Rusholme St
A shared address usually means a shared clinic or building; it does not show who employs whom.
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- Debbie Cecil, D.O.Family Medicine Physician1639213051
- Matthew Christophersen, MDSurgery Physician1629048939
Verify James H. Hahn in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersIowa Board of Medicine
Search for license 23423Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
92% fewer Medicare Part D claims than the average internal medicine physician in 2024
254 Medicare Part D claims for 17 beneficiaries, against an average of 3,176 among the 108,855 providers of this specialty who prescribed in Part D. Brand-name drugs were 5% of claims.
Most prescribed
- Levetiracetam97 claims
- Potassium Chloride48 claims
- Fluoxetine Hcl39 claims
- Rosuvastatin Calcium24 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: $268.56
15 payments; by number, the most common kind was food and beverage; the largest payer was Novo Nordisk 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.
James H. Hahn among 871 internal medicine physician records in Iowa
James H. Hahn, MD 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 2005, is newer than 0% of them.
- NPI issued2005 · 0% of these records are older, 89% newer
- In a Medicare fileYes · 70% of these records are
- In the CMS Doctors and Clinicians fileNo · 44% of these records are
- Record last updated2009 · 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).
33 internal medicine physician records list a practice address in Davenport
They are 33 of the 2,058 NPPES records with a practice address in Davenport, and 871 internal medicine physician records in Iowa.
All 871 in Iowa → Every provider in Davenport → Internal Medicine Physician nationwide →
The 8 internal medicine physician records with the nearest ZIP codes
- Mohammed Abdila, MDDavenport, IA 528031982338752
- Samer Abu Alula, M.D.Davenport, IA 528031447782578
- Ifeoma Achebe, MDDavenport, IA 528031578085700
- Aina Adekunle, M.D.Davenport, IA 528031831445147
- Gaurav Ahuja, M.D.Davenport, IA 528031518144195
- Sunil Avvari, M.D.Davenport, IA 528031437441672
- Iqbal Binoj, M.DDavenport, IA 528031306046222
- Ansub Cheema, MDDavenport, IA 528031477289254
Common questions
What is James H. Hahn, MD's NPI number?
James H. Hahn, MD's National Provider Identifier (NPI) is 1902801525, issued on Jun 20, 2005. An NPI identifies a provider in billing; it is not a license.
Where is James H. Hahn, MD located?
The NPPES record lists a practice address at 1228 E Rusholme St, Davenport, IA, 52803. Phone: (563) 421-3122. Providers update this record themselves, so call before visiting.
How can I verify James H. Hahn, MD's license?
NPPES lists Iowa license number 23423, 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 James H. Hahn, MD prescribe under Medicare Part D?
In 2024, James H. Hahn, MD had 254 Medicare Part D claims for 17 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.