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Recently Updated NPI Information — some details in this NPI profile have been updated in the NPI registry within the last 60 days.

JAMES H HAHN MD
NPI 1902801525
Internal Medicine in Davenport, IA

Active since June 20, 2005PECOS Enrolled
1228 E RUSHOLME ST, SUITE 112, DAVENPORT, IA 52803(563) 421-3122(563) 421-3129 Get Directions Write a Review

NPPES record last updated: September 29, 2026. Verified against the NPPES registry weekly; last sync: November 01, 2026.

About James H Hahn Md NPPES

Official registry information on file with the National Plan and Provider Enumeration System.

JAMES H HAHN MD (NPI 1902801525) is an individual internal medicine provider in Davenport, Iowa, licensed in Iowa (23423) and active in the NPI registry since June 2005. He is enrolled in Medicare PECOS.

NPPES Registry Identity

NPI1902801525
Entity TypeIndividualMale
Primary Taxonomy207R00000X
Provider Legal NameJAMES H HAHNCredential: MD
Location Address1228 E RUSHOLME ST, SUITE 112Davenport, IA 52803-2467
Mailing Address1228 E Rusholme St, Suite 112Davenport, IA 52803-2467 · (563) 421-3122 · Fax (563) 421-3129
Phone(563) 421-3122
Fax(563) 421-3129
Sole ProprietorNo
Enumeration DateJune 20, 2005
Last NPPES UpdateSeptember 29, 2026
✔ NPI 1902801525 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyInternal MedicineAllopathic & Osteopathic Physicians
Taxonomy Code207R00000X
License✔ Licensed in IA · 23423
Definition
A physician who provides long-term, comprehensive care in the office and the hospital, managing both common and complex illness of adolescents, adults and the elderly. Internists are trained in the diagnosis and treatment of cancer, infections and diseases affecting the heart, blood, kidneys, joints and digestive, respiratory and vascular systems. They are also trained in the essentials of primary care internal medicine, which incorporates an understanding of disease prevention, wellness, substance abuse, mental health and effective treatment of common problems of the eyes, ears, skin, nervous system and reproductive organs.
1228 E RUSHOLME ST, Davenport, IA 52803
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Other Identifiers 6

Other15409IA · Iowa Midlands Choice
Medicaid8201954IA
Medicaid9201954IA
OtherP00287447IA · Medicare Railroad
OtherIL 1240003IL · Illinois Medicare Provider Number
Other39981IA · Welmark Bcbs

Medicare Participation & PECOS CMS

Medicare enrollment, assignment, billing reassignment, and ordering and referring status from CMS.

Medicare Enrollment Status

✔

Enrolled in Medicare (PECOS)

James H Hahn Md is registered in the CMS Provider Enrollment, Chain and Ownership System (PECOS).

Eligible to Order & Refer✔ Part B Labs & Imaging✔ Durable Medical Equipment✔ Home Health Agency✔ Power Mobility DevicesPer the CMS Ordering and Referring file. Eligibility means Medicare pays claims that this provider orders or refers for these categories.

Medicare Billing Reassignments

2

Medicare enrollment records show James Hahn reassigns Medicare billing to 2 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.

Genesis Health System
0.1 mi
Surgery
1227 E RUSHOLME ST
Davenport, IA 52803
  • Reassigned Medicare billing, Iowa and Illinois enrollments
  • Also billed through NPI 1427132604 (Illinois)
  • 358 clinicians in this Medicare group
NPI 1528616901 (563) 421-3408
Genesis Health System
0.1 mi
Anatomic Pathology & Clinical Pathology
1227 E RUSHOLME ST
Davenport, IA 52803
  • Reassigned Medicare billing, Illinois enrollment
  • 143 clinicians in this Medicare group
NPI 1295196798 (563) 355-9200

Source: CMS Revalidation Reassignment List, October 2026 release. Reassignment records can lag staffing changes; confirm a current affiliation with the organization.

Areas of Expertise CMS Part B claims

Services this provider delivered to Medicare fee-for-service patients, from the CMS Medicare utilization data. Higher counts generally reflect more experience with a service; care delivered outside Medicare is not included.

Subsequent hospital care with moderate levelof medical decision making, if using time, at least 35 minutes 99232
Follow-up hospital inpatient care involves daily check-ups while you're admitted in the hospital. Typically, a healthcare provider spends about 25 minutes each day reviewing your condition, adjusting treatment if needed, and answering any questions you might have.
59 services41 patients

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 52803 ZIP code area, from fee-for-service claims. These are area statistics, not this provider’s prices; actual charges vary by service and coverage.

New Patient
$122.23 typical visit price
range $52.96 – $161.40
Typical copayment $30.55 (range $13.24 – $40.35)
Most-billed visit code 99204
Established Patient
$94.05 typical visit price
range $16.91 – $131.98
Typical copayment $23.51 (range $4.22 – $32.99)
Most-billed visit code 99214
Amounts reflect what Medicare beneficiaries in this ZIP area are typically charged for office visits. Patients with other coverage should check their individual plans.

Other Providers at the Same Location NPPES 16

Providers registered at the same practice address, or within the immediate area, according to the NPPES registry.

DR. MICHAEL A PHELPS MD
Surgery
1228 E RUSHOLME ST, SUITE 3020
DAVENPORT, IA 52803
Scott County (563) 823-9300
JULIE ANN CABEL ARNP
Nurse Practitioner (Family)
1228 E RUSHOLME ST, MOB 1 SUITE 112
DAVENPORT, IA 52803
Scott County (563) 421-3122
ANN MAXWELL ARNP CFNP
Nurse Practitioner (Family)
1228 E RUSHOLME ST
DAVENPORT, IA 52803
Scott County (563) 421-7675
SHELLEY L. SPECTOR ARNP
Clinical Nurse Specialist (Medical-Surgical)
1228 E RUSHOLME ST, SUITE 302
DAVENPORT, IA 52803
Scott County (563) 823-9300
DR. IQBAL M BINOJ M.D
Internal Medicine
1228 E RUSHOLME ST, SUITE 112
DAVENPORT, IA 52803
Scott County (563) 421-3122
KASSIDEE CHURCH
Nurse Practitioner (Primary Care)
1228 E RUSHOLME ST, MOB 1 STE 2100
DAVENPORT, IA 52803
Scott County (563) 421-8460
ROBERT E. HARSON M.D.
Surgery
1228 E RUSHOLME ST, SUITE 3020
DAVENPORT, IA 52803
Scott County (563) 823-9300
KENNETH JOHN HARTMAN JR. MD
Surgery
1228 E RUSHOLME ST, STE 302
DAVENPORT, IA 52803
Scott County (563) 823-9300

Frequently Asked Questions NPPES & CMS

Common questions about this NPI record, answered from the official NPPES registry and CMS datasets shown on this page.

What is James Hahn's NPI number?

The NPI number for James Hahn is 1902801525. It was assigned to this individual provider in the NPPES registry on June 20, 2005.

Where is James Hahn located?

James Hahn practices at 1228 E Rusholme St Suite 112, Davenport, IA 52803. The listed phone number is (563) 421-3122.

What is James Hahn's specialty?

The primary specialty registered for this NPI is Internal Medicine with taxonomy code 207R00000X.

Is James Hahn enrolled in Medicare?

Yes. James Hahn is registered in the Medicare PECOS enrollment system.

Which organizations bill Medicare for James Hahn's services?

According to the CMS Revalidation Reassignment List (October 2026 release), James Hahn reassigns Medicare benefits to 2 organizations: Genesis Health System (Davenport, IA) and Genesis Health System (Davenport, IA). Each reassignment is filed with Medicare on form CMS-855R, signed by both the clinician and the organization, and lets the organization bill Medicare and receive payment for James Hahn's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.

When was this NPI record last updated?

The NPPES record for James Hahn was last updated on September 29, 2026. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 37 days ago. If this record has changed at CMS more recently, you can request an on-demand re-check against the live CMS registry, directly from this page.