JAMES F LOOMIS JR. MD
NPI 1528153160
Internal Medicine in Washington, DC
About James F Loomis Jr. Md NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
JAMES F LOOMIS JR. MD (NPI 1528153160) is an individual internal medicine provider in Washington, District Of Columbia, licensed in District Of Columbia (MD043764) and active in the NPI registry since October 2006. He is enrolled in Medicare PECOS and is a graduate of University Of Arkansas College Of Medicine (1985).
NPPES Registry Identity
Specialties & Licenses
Other Identifiers 4
Medicare Participation & PECOS CMS
Medicare enrollment, assignment, billing reassignment, and ordering and referring status from CMS.
Medicare Enrollment Status
Enrolled in Medicare and accepts Medicare assignment
James F Loomis Jr. Md is registered in PECOS and agrees to accept the Medicare-approved amount as full payment. Medicare patients are not billed beyond the standard deductible and coinsurance.
Medicare Billing Reassignment
Medicare enrollment records show James Loomis reassigns Medicare billing to 1 organization. The organization bills Medicare for the services this provider delivers there.
Washington, DC 20016
- Reassigned Medicare billing, District of Columbia enrollment
- 4 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.
Areas of Expertise CMS Part B claims 6
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.
Physician Visit Costs CMS claims · ZIP area
Typical Medicare office-visit costs in the 20016 ZIP code area, from fee-for-service claims. These are area statistics, not this provider’s prices; actual charges vary by service and coverage.
Medicare Quality Performance CMS QPP · MIPS
Performance in the CMS Quality Payment Program: the MIPS final score across four weighted categories, and the individual quality measures reported to Medicare.
Reported Quality Measures
Referred Medical Equipment & Supplies CMS DME claims
Durable medical equipment, devices and supplies this provider ordered from DME suppliers for patients, from Medicare fee-for-service claims.
Other Providers at the Same Location NPPES 20
Providers registered at the same practice address, or within the immediate area, according to the NPPES registry.
WASHINGTON, DC 20016
WASHINGTON, DC 20016
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 Loomis's NPI number?
The NPI number for James Loomis is 1528153160. It was assigned to this individual provider in the NPPES registry on October 3, 2006.
Where is James Loomis located?
James Loomis practices at 5100 Wisconsin Ave NW Ste 401, Washington, DC 20016. The listed phone number is (202) 527-7500.
What is James Loomis's specialty?
The primary specialty registered for this NPI is Internal Medicine with taxonomy code 207R00000X.
Is James Loomis enrolled in Medicare?
Yes. James Loomis is registered in the Medicare PECOS system and accepts Medicare assignment, which means accepting the Medicare-approved amount as payment in full for covered services.
Which organization bills Medicare for James Loomis's services?
According to the CMS Revalidation Reassignment List (October 2026 release), James Loomis reassigns Medicare benefits to Pcrm Clinic (Washington, DC). 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 Loomis'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 Loomis was last updated on March 31, 2016. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 10 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.