KARL B HAMMONDS MD
NPI 1952512865
Hospitalist in Nashville, TN
About Karl B Hammonds Md NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
KARL B HAMMONDS MD (NPI 1952512865) is an individual hospitalist provider in Nashville, Tennessee, licensed in Tennessee (43918) and active in the NPI registry since May 2007. He is enrolled in Medicare PECOS, is affiliated with Vanderbilt University Medical Center, and is a graduate of University Of Louisville School Of Medicine (2004).
NPPES Registry Identity
Specialties & Licenses 2
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
Karl B Hammonds 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 Reassignments
5Medicare enrollment records show Karl Hammonds reassigns Medicare billing to 5 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.
Nashville, TN 37205
- Reassigned Medicare billing, Tennessee enrollment
- 97 clinicians in this Medicare group
Nashville, TN 37205
- Reassigned Medicare billing, Tennessee enrollment
- 1,304 clinicians in this Medicare group
Nashville, TN 37236
- Reassigned Medicare billing, Tennessee enrollment
- 85 clinicians in this Medicare group
Murfreesboro, TN 37129
- Reassigned Medicare billing, Tennessee enrollment
- 116 clinicians in this Medicare group
Oak Ridge, TN 37830
- Reassigned Medicare billing, Kentucky enrollment
- 358 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
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 5
Hospitals where this provider delivers care, identified from recent Medicare claims and place-of-service records.
Vanderbilt University Medical Center
Acute Care Hospitals · Nashville, TNSaint Thomas Rutherford Hospital
Acute Care Hospitals · Murfreesboro, TNVanderbilt Bedford Hospital
Acute Care Hospitals · Shelbyville, TNSaint Thomas River Park Hospital
Acute Care Hospitals · Mcminnville, TNSaint Thomas Highlands Hospital
Acute Care Hospitals · Sparta, TNPhysician Visit Costs CMS claims · ZIP area
Typical Medicare office-visit costs in the 37205 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 20
Providers registered at the same practice address, or within the immediate area, according to the NPPES registry.
NASHVILLE, TN 37205
NASHVILLE, TN 37205
NASHVILLE, TN 37205
NASHVILLE, TN 37205
NASHVILLE, TN 37205
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 Karl Hammonds's NPI number?
The NPI number for Karl Hammonds is 1952512865. It was assigned to this individual provider in the NPPES registry on May 24, 2007.
Where is Karl Hammonds located?
Karl Hammonds practices at 4220 Harding Pike Suite 500, Nashville, TN 37205. The listed phone number is (615) 222-6977.
What is Karl Hammonds's specialty?
The primary specialty registered for this NPI is Hospitalist with taxonomy code 208M00000X.
Is Karl Hammonds enrolled in Medicare?
Yes. Karl Hammonds 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 Karl Hammonds's services?
According to the CMS Revalidation Reassignment List (October 2026 release), Karl Hammonds reassigns Medicare benefits to 5 organizations: Beaman Physician Services, PC (Nashville, TN), Saint Thomas Medical Partners (Nashville, TN), Warner Physician Services PC (Nashville, TN), Havely Springs Physician Services, PC (Murfreesboro, TN) and Southeastern Physician Services PC (Oak Ridge, TN). 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 Karl Hammonds's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.
What insurance does Karl Hammonds accept?
Health plans from Ambetter Health, Ambetter from Arkansas Health & Wellness, Ambetter of Alabama, Ambetter of North Carolina and Ambetter of Tennessee and 1 other insurer list Karl Hammonds 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 Karl Hammonds affiliated with any hospitals?
According to CMS data, Karl Hammonds is affiliated with Vanderbilt University Medical Center, Saint Thomas Rutherford Hospital, Vanderbilt Bedford Hospital, Saint Thomas River Park Hospital and Saint Thomas Highlands Hospital.
When was this NPI record last updated?
The NPPES record for Karl Hammonds was last updated on February 11, 2015. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 11 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.
# Karl B Hammonds, MD · NPI 1952512865
Hospitalist physician in Nashville, Tennessee. Individual provider, active in the CMS NPPES registry since May 24, 2007.
## Identity
- **NPI:** 1952512865 (Entity type: Individual)
- **Enumerated:** May 24, 2007
- **Primary specialty:** Hospitalist · taxonomy 208M00000X
- **State license:** 43918 (Tennessee)
- **Sole proprietor:** No
## Practice location
- **Address:** 4220 HARDING PIKE, SUITE 500, Nashville, TN 37205-2005
- **Phone:** (615) 222-6977 · **Fax:** (615) 222-5322
## 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:** 5 organizations under Medicare reassignment (form CMS-855R): Beaman Physician Services, PC (NPI 1487342242, Nashville, TN); Saint Thomas Medical Partners (NPI 1881981033, Nashville, TN); Warner Physician Services PC (NPI 1770272221, Nashville, TN); Havely Springs Physician Services, PC (NPI 1710494174, Murfreesboro, TN); Southeastern Physician Services PC (NPI 1083835441, Oak Ridge, TN) · CMS Revalidation Reassignment List, October 2026 release
- **Medical school:** University Of Louisville School Of Medicine, class of 2004
## Record status
- **NPPES last updated:** February 11, 2015
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Source: [NPI Profile](https://npiprofile.com/npi/1952512865) · Data from the CMS NPPES public registry.