DR. JAMES D HAMM MD
NPI 1881032126
Emergency Medicine in Walter Reed Nmmc, MD
About Dr. James D Hamm Md NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
DR. JAMES D HAMM MD (NPI 1881032126) is an individual emergency medicine provider in Walter Reed Nmmc, Maryland, licensed in Nebraska (28183) and active in the NPI registry since June 2013. He is enrolled in Medicare PECOS, is affiliated with Wilcox Memorial Hospital, and is a graduate of Other (2013).
NPPES Registry Identity
Specialties & Licenses
Medicare Participation & PECOS CMS
Medicare enrollment, assignment, billing reassignment, and ordering and referring status from CMS.
Medicare Enrollment Status
Enrolled in Medicare (PECOS)
Dr. James D Hamm Md is registered in the CMS Provider Enrollment, Chain and Ownership System (PECOS).
Medicare Billing Reassignment
Medicare enrollment records show James Hamm reassigns Medicare billing to 1 organization. The organization bills Medicare for the services this provider delivers there.
Lihue, HI 96766
- Reassigned Medicare billing, Hawaii enrollment
- 298 clinicians in this Medicare group
Source: CMS Revalidation Reassignment List, October 2026 release. Reassignment records can lag staffing changes; confirm a current affiliation with the organization.
Hospital Affiliations CMS Care Compare
Hospitals where this provider delivers care, identified from recent Medicare claims and place-of-service records.
Wilcox Memorial Hospital
Acute Care Hospitals · Lihue, HIPhysician Visit Costs CMS claims · ZIP area
Typical Medicare office-visit costs in the 20814 ZIP code area, from fee-for-service claims. These are area statistics, not this provider’s prices; actual charges vary by service and coverage.
Other Providers at the Same Location NPPES 2
Providers registered at the same practice address, or within the immediate area, according to the NPPES registry.
BETHESDA, MD 20814
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 Hamm's NPI number?
The NPI number for James Hamm is 1881032126. It was assigned to this individual provider in the NPPES registry on June 9, 2013.
Where is James Hamm located?
James Hamm practices at 8901 Rockville Pike, Walter Reed Nmmc, MD 20814. The listed phone number is (301) 295-4810.
What is James Hamm's specialty?
The primary specialty registered for this NPI is Emergency Medicine with taxonomy code 207P00000X.
Is James Hamm enrolled in Medicare?
Yes. James Hamm is registered in the Medicare PECOS enrollment system.
Which organization bills Medicare for James Hamm's services?
According to the CMS Revalidation Reassignment List (October 2026 release), James Hamm reassigns Medicare benefits to Kauai Medical Clinic (Lihue, HI). The 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 Hamm's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.
Is James Hamm affiliated with any hospitals?
According to CMS data, James Hamm is affiliated with Wilcox Memorial Hospital.
When was this NPI record last updated?
The NPPES record for James Hamm was last updated on June 5, 2024. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 2 years 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.