DR. SETH JONATHAN KARP M.D.
NPI 1225016546
Transplant Surgery in Nashville, TN
About Dr. Seth Jonathan Karp M.d. NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
DR. SETH JONATHAN KARP M.D. (NPI 1225016546) is an individual transplant surgery provider in Nashville, Tennessee, licensed in Tennessee (MD0000047164) and active in the NPI registry since January 2006. He is enrolled in Medicare PECOS, is affiliated with Vanderbilt University Medical Center, and is a graduate of Harvard Medical School (1994).
NPPES Registry Identity
Specialties & Licenses 2
Other Identifiers 1
Accepted Insurance
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. Seth Jonathan Karp 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 Reassignments
2Medicare enrollment records show Seth Karp reassigns Medicare billing to 2 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.
Nashville, TN 37232
- Reassigned Medicare billing, Tennessee enrollment
- 4,711 clinicians in this Medicare group
Boston, MA 02215
- Reassigned Medicare billing, Massachusetts enrollment
- 2,579 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.
Vanderbilt University Medical Center
Acute Care Hospitals · Nashville, TNMedicare 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.
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 Seth Karp's NPI number?
The NPI number for Seth Karp is 1225016546. It was assigned to this individual provider in the NPPES registry on January 6, 2006.
Where is Seth Karp located?
Seth Karp practices at 805 Oxford House 1313 21st Avenue South, Nashville, TN 37232. The listed phone number is (615) 936-8989.
What is Seth Karp's specialty?
The primary specialty registered for this NPI is Transplant Surgery with taxonomy code 204F00000X.
Is Seth Karp enrolled in Medicare?
Yes. Seth Karp 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 organizations bill Medicare for Seth Karp's services?
According to the CMS Revalidation Reassignment List (October 2026 release), Seth Karp reassigns Medicare benefits to 2 organizations: Vanderbilt University Medical Center (Nashville, TN) and Harvard Medical Faculty Phys At Beth Israel Deaconess Med Ctr Inc (Boston, MA). 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 Seth Karp's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.
What insurance does Seth Karp accept?
Health plans from Alliant Health Plans, Inc., BlueCross BlueShield of Tennessee, Cigna Healthcare, Oscar Insurance Company and Taro Health list Seth Karp as in-network in at least one marketplace plan. Coverage varies by plan and year; verify with the insurer or the provider before a visit.
Is Seth Karp affiliated with any hospitals?
According to CMS data, Seth Karp is affiliated with Vanderbilt University Medical Center.
When was this NPI record last updated?
The NPPES record for Seth Karp was last updated on March 23, 2022. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 4 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.
# Dr. Seth Jonathan Karp, M.D. · NPI 1225016546
Transplant Surgery physician in Nashville, Tennessee. Individual provider, active in the CMS NPPES registry since January 6, 2006.
## Identity
- **NPI:** 1225016546 (Entity type: Individual)
- **Enumerated:** January 6, 2006
- **Primary specialty:** Transplant Surgery · taxonomy 204F00000X
- **State license:** MD0000047164 (Tennessee)
- **Sole proprietor:** No
## Practice location
- **Address:** 805 OXFORD HOUSE, 1313 21ST AVENUE SOUTH, Nashville, TN 37232-4745
- **Phone:** (615) 936-8989 · **Fax:** (615) 936-2787
## 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:** 2 organizations under Medicare reassignment (form CMS-855R): Vanderbilt University Medical Center (NPI 1104202761, Nashville, TN); Harvard Medical Faculty Phys At Beth Israel Deaconess Med Ctr Inc (NPI 1194765438, Boston, MA) · CMS Revalidation Reassignment List, October 2026 release
- **Medical school:** Harvard Medical School, class of 1994
## Record status
- **NPPES last updated:** March 23, 2022
- **Other identifiers:** Medicaid 3176347 (MA)
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Source: [NPI Profile](https://npiprofile.com/npi/1225016546) · Data from the CMS NPPES public registry.