DR. BRUCE B LUDWIG JR. M.D.
NPI 1649250580
Internal Medicine - Critical Care Medicine in Knoxville, TN
About Dr. Bruce B Ludwig Jr. M.d. NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
DR. BRUCE B LUDWIG JR. M.D. (NPI 1649250580) is an individual critical care medicine provider in Knoxville, Tennessee, licensed in Maryland (D0079147) and active in the NPI registry since January 2006. He is enrolled in Medicare PECOS, is affiliated with Suburban Hospital, and maintains 2 additional practice locations.
NPPES Registry Identity
Specialties & Licenses 2
Secondary Practice Locations 2
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
Dr. Bruce B Ludwig Jr. M.d. 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 Bruce Ludwig reassigns Medicare billing to 1 organization. The organization bills Medicare for the services this provider delivers there.
Tysons, VA 22102
- Reassigned Medicare billing, District of Columbia and Maryland enrollments
- Also billed through NPI 1689485963 (Maryland)
- 691 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 4
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.
Hospital Affiliations CMS Care Compare
Hospitals where this provider delivers care, identified from recent Medicare claims and place-of-service records.
Suburban Hospital
Acute Care Hospitals · Bethesda, MDPhysician Visit Costs CMS claims · ZIP area
Typical Medicare office-visit costs in the 37920 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.
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.
KNOXVILLE, TN 37920
KNOXVILLE, TN 37920
KNOXVILLE, TN 37920
KNOXVILLE, TN 37920
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 Bruce Ludwig's NPI number?
The NPI number for Bruce Ludwig is 1649250580. It was assigned to this individual provider in the NPPES registry on January 18, 2006.
Where is Bruce Ludwig located?
Bruce Ludwig practices at 1940 Alcoa Hwy Suite E-210, Knoxville, TN 37920. The listed phone number is (865) 524-7471.
What is Bruce Ludwig's specialty?
The primary specialty registered for this NPI is Internal Medicine, specializing in Critical Care Medicine, with taxonomy code 207RC0200X.
Is Bruce Ludwig enrolled in Medicare?
Yes. Bruce Ludwig 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 Bruce Ludwig's services?
According to the CMS Revalidation Reassignment List (October 2026 release), Bruce Ludwig reassigns Medicare benefits to Johns Hopkins Community Physicians, Inc (Tysons, VA). 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 Bruce Ludwig's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.
Is Bruce Ludwig affiliated with any hospitals?
According to CMS data, Bruce Ludwig is affiliated with Suburban Hospital.
When was this NPI record last updated?
The NPPES record for Bruce Ludwig was last updated on April 11, 2025. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 19 months 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.
# Dr. Bruce B Ludwig Jr., M.D. · NPI 1649250580
Critical Care Medicine physician in Knoxville, Tennessee. Individual provider, active in the CMS NPPES registry since January 18, 2006.
## Identity
- **NPI:** 1649250580 (Entity type: Individual)
- **Enumerated:** January 18, 2006
- **Primary specialty:** Internal Medicine - Critical Care Medicine · taxonomy 207RC0200X
- **State license:** D0079147 (Maryland)
- **Sole proprietor:** No
## Practice location
- **Address:** 1940 ALCOA HWY, SUITE E-210, Knoxville, TN 37920-2244
- **Phone:** (865) 524-7471 · **Fax:** (865) 305-6563
## Medicare
- **Medicare:** Enrolled (PECOS); accepts Medicare assignment
- **Ordering & referring:** eligible for Part B labs & imaging, durable medical equipment, home health, power mobility devices
- **Bills Medicare through:** Johns Hopkins Community Physicians, Inc (NPI 1790631695, Tysons, VA), under Medicare reassignment (form CMS-855R) · CMS Revalidation Reassignment List, October 2026 release
- **Medical school:** Columbia University College Of Physicians And Surgeons, class of 1995
## Record status
- **NPPES last updated:** April 11, 2025
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Source: [NPI Profile](https://npiprofile.com/npi/1649250580) · Data from the CMS NPPES public registry.