DR. JAMES D HAMM MD
NPI 1881032126
Emergency Medicine in Walter Reed Nmmc, MD

Active since June 09, 2013PECOS Enrolled
8901 ROCKVILLE PIKE, WALTER REED NMMC, MD 20814(301) 295-4810 Get Directions Write a Review

NPPES record last updated: June 5, 2024. Verified against the NPPES registry weekly; last sync: October 25, 2026.

Record update history: Jun 5, 2024, Nov 9, 2023 (2 updates tracked since 2023).

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

NPI1881032126
Entity TypeIndividualMale
Primary Taxonomy207P00000X
Provider Legal NameDR. JAMES D HAMMCredential: MD
Location Address8901 ROCKVILLE PIKEWalter Reed Nmmc, MD 20814-5095
Mailing Address8901 Rockville PikeBethesda, MD 20889-0001
Sole ProprietorNo
Medical School CMSOtherGraduated 2013
Enumeration DateJune 9, 2013
Last NPPES UpdateJune 5, 20242 updates tracked since enumeration
NPPES CertifiedJune 5, 2024
✔ NPI 1881032126 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyEmergency MedicineAllopathic & Osteopathic Physicians
Taxonomy Code207P00000X
License✔ Licensed in NE · 28183
Definition
An emergency physician focuses on the immediate decision making and action necessary to prevent death or any further disability both in the pre-hospital setting by directing emergency medical technicians and in the emergency department. The emergency physician provides immediate recognition, evaluation, care, stabilization and disposition of a generally diversified population of adult and pediatric patients in response to acute illness and injury.
8901 ROCKVILLE PIKE, Walter Reed Nmmc, MD 20814

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).

PECOS PAC ID7911303656
PECOS Enrollment IDI20260129000687
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 Reassignment

Medicare enrollment records show James Hamm reassigns Medicare billing to 1 organization. The organization bills Medicare for the services this provider delivers there.

Multi-Specialty
3-3420 KUHIO HWY, SUITE B
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, HI
2/5 CMS rating
OwnershipGovernment - Federal
CMS Certification Number120014
Location3-3420 Kuhio HighwayLihue, HI 96766 · Kauai County
Emergency services Birthing friendly

Physician 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.

New Patient
$100.31 typical visit price
range $65.18 – $194.86
Typical copayment $25.07 (range $16.29 – $48.71)
Most-billed visit code 99203
Established Patient
$113.72 typical visit price
range $21.40 – $158.88
Typical copayment $28.43 (range $5.35 – $39.72)
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 2

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

General Practice
8901 ROCKVILLE PIKE
BETHESDA, MD 20814
Internal Medicine
8901 ROCKVILLE PIKE, WALTER REED NATIONAL MILITARY MEDICAL CENTER
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.