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DR. KALEB RYAN DARROW MD
NPI 1861021628
Radiology - Radiation Oncology in Nashville, TN

Active since April 03, 2020PECOS EnrolledAccepts Medicare Assignment
3601 THE VANDERBILT CLINIC, NASHVILLE, TN 37232(615) 322-5000 Get Directions Write a Review

NPPES record last updated: August 4, 2025. Verified against the NPPES registry weekly; last sync: October 25, 2026.

Record update history: Aug 4, 2025, Jun 19, 2025, May 22, 2025 and 1 more (4 updates tracked since 2020).

About Dr. Kaleb Ryan Darrow Md NPPES

Official registry information on file with the National Plan and Provider Enumeration System.

DR. KALEB RYAN DARROW MD (NPI 1861021628) is an individual radiation oncology provider in Nashville, Tennessee, licensed in Tennessee (74190) and active in the NPI registry since April 2020. He is enrolled in Medicare PECOS, is affiliated with Vanderbilt University Medical Center, and maintains a secondary practice location in Nashville.

NPPES Registry Identity

NPI1861021628
Entity TypeIndividualMale
Primary Taxonomy2085R0001X
Provider Legal NameDR. KALEB RYAN DARROWCredential: MD
Location Address3601 THE VANDERBILT CLINICNashville, TN 37232-0021
Mailing Address3841 Green Hills Village Dr Ste 200Nashville, TN 37215-2691 · (615) 322-6842
Phone(615) 322-5000
Sole ProprietorNo
Medical School CMSUniversity Of Tennessee, Hsc, College Of MedicineGraduated 2020
Enumeration DateApril 3, 2020
Last NPPES UpdateAugust 4, 20254 updates tracked since enumeration
NPPES CertifiedAugust 4, 2025
✔ NPI 1861021628 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses 2

★ Primary SpecialtyRadiology · Radiation OncologyAllopathic & Osteopathic Physicians
Taxonomy Code2085R0001X
License✔ Licensed in TN · 74190
Definition
A radiologist who deals with the therapeutic applications of radiant energy and its modifiers and the study and management of disease, especially malignant tumors.
Also ListedStudent in an Organized Health Care Education/Training ProgramTaxonomy 390200000X
3601 THE VANDERBILT CLINIC, Nashville, TN 37232
Open in Google Maps ↗

Secondary Practice Location 1

Location 12220 Pierce Ave Ste B1003Nashville, TN 37232-0021 · Phone (615) 322-2555 · Fax (615) 936-3363

Accepted Insurance

The full list of accepted plans is on the Insurance tab. Issuers include Alliant Health Plans, Inc., Ambetter from Arkansas Health & Wellness, Ambetter Health and more.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. Kaleb Ryan Darrow 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.

PECOS PAC ID6709200405
PECOS Enrollment IDI20250627000047
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 Reassignments

4

Medicare enrollment records show Kaleb Darrow reassigns Medicare billing to 4 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.

Vanderbilt University Medical Center
0.5 mi
Internal Medicine
1301 22ND AVE S
Nashville, TN 37232
  • Reassigned Medicare billing, Tennessee enrollment
  • 4,711 clinicians in this Medicare group
NPI 1104202761 (615) 936-2000
Vanderbilt Maury Radiation Oncology, LLC
28 mi
Oncology, Radiation
1003 RESERVE BLVD, SUITE 120
Spring Hill, TN 37174
  • Reassigned Medicare billing, Tennessee enrollment
  • 19 clinicians in this Medicare group
NPI 1104166313 (931) 380-1194
Vanderbilt-Ingram Cancer Center Clarksville, LLC
41 mi
Radiation Oncology
375 ALFRED THUN RD
Clarksville, TN 37040
  • Reassigned Medicare billing, Tennessee enrollment
  • 19 clinicians in this Medicare group
NPI 1295832525 (931) 221-0479
Cookeville Regional Medical Center
73 mi
Rehabilitation Unit
1 MEDICAL CENTER BLVD
Cookeville, TN 38501
  • Reassigned Medicare billing, Tennessee enrollment
  • 151 clinicians in this Medicare group
NPI 1639293483 (931) 783-2850

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 3

Hospitals where this provider delivers care, identified from recent Medicare claims and place-of-service records.

Vanderbilt University Medical Center

Acute Care Hospitals · Nashville, TN
4/5 CMS rating
OwnershipVoluntary non-profit - Private
CMS Certification Number440039
Location1211 Medical Center DriveNashville, TN 37232 · Davidson County
Emergency services Birthing friendly

Tristar Northcrest Medical Center

Acute Care Hospitals · Springfield, TN
2/5 CMS rating
OwnershipVoluntary non-profit - Other
CMS Certification Number440065
Location100 Northcrest DriveSpringfield, TN 37172 · Robertson County
Emergency services Birthing friendly

Vanderbilt Wilson County Hospital

Acute Care Hospitals · Lebanon, TN
3/5 CMS rating
OwnershipVoluntary non-profit - Private
CMS Certification Number440193
Location1411 Baddour ParkwayLebanon, TN 37087 · Wilson County
Emergency services Birthing friendly

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 37232 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
$160.89 typical visit price
range $52.64 – $160.89
Typical copayment $40.22 (range $13.16 – $40.22)
Most-billed visit code 99205
Established Patient
$66.01 typical visit price
range $16.72 – $131.41
Typical copayment $16.50 (range $4.18 – $32.85)
Most-billed visit code 99213
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 20

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

DR. ENGLISH FLACK MD
Pediatrics (Pediatric Cardiology)
3601 THE VANDERBILT CLINIC
NASHVILLE, TN 37232
Davidson County (615) 322-3000
DANIEL K BARRETT APRN
Nurse Practitioner (Acute Care)
3601 THE VANDERBILT CLINIC
NASHVILLE, TN 37232
Davidson County (615) 322-3000
JACQUELYN L. GARNER PNP
Nurse Practitioner (Pediatrics)
3601 THE VANDERBILT CLINIC
NASHVILLE, TN 37232
Davidson County (615) 322-3000
DR. ROBERT JAMES LENTZ M.D.
Internal Medicine (Pulmonary Disease)
3601 THE VANDERBILT CLINIC
NASHVILLE, TN 37232
Davidson County (615) 322-3000
LYNN HOLLIDAY M.D.
Family Medicine
3601 THE VANDERBILT CLINIC
NASHVILLE, TN 37232
Davidson County (615) 322-3000
DR. HEATHER KRETH PSY.D
Psychologist (Clinical Child & Adolescent)
3601 THE VANDERBILT CLINIC
NASHVILLE, TN 37232
Davidson County (615) 936-2000
AARON WESLEY SCOTT APN
Nurse Practitioner
3601 THE VANDERBILT CLINIC
NASHVILLE, TN 37232
Davidson County (615) 936-2000
DR. COLLEEN M KIERNAN M.D.
Surgery (Surgical Oncology)
3601 THE VANDERBILT CLINIC
NASHVILLE, TN 37232
Davidson County (615) 322-3000

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 Kaleb Darrow's NPI number?

The NPI number for Kaleb Darrow is 1861021628. It was assigned to this individual provider in the NPPES registry on April 3, 2020.

Where is Kaleb Darrow located?

Kaleb Darrow practices at 3601 The Vanderbilt Clinic, Nashville, TN 37232. The listed phone number is (615) 322-5000.

What is Kaleb Darrow's specialty?

The primary specialty registered for this NPI is Radiology, specializing in Radiation Oncology, with taxonomy code 2085R0001X.

Is Kaleb Darrow enrolled in Medicare?

Yes. Kaleb Darrow 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 Kaleb Darrow's services?

According to the CMS Revalidation Reassignment List (October 2026 release), Kaleb Darrow reassigns Medicare benefits to 4 organizations: Vanderbilt University Medical Center (Nashville, TN), Vanderbilt Maury Radiation Oncology, LLC (Spring Hill, TN), Vanderbilt-Ingram Cancer Center Clarksville, LLC (Clarksville, TN) and Cookeville Regional Medical Center (Cookeville, 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 Kaleb Darrow's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.

What insurance does Kaleb Darrow accept?

Health plans from Alliant Health Plans, Inc., Ambetter Health, Ambetter from Arkansas Health & Wellness, Ambetter of Alabama and Ambetter of North Carolina and 5 other insurers list Kaleb Darrow 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 Kaleb Darrow affiliated with any hospitals?

According to CMS data, Kaleb Darrow is affiliated with Vanderbilt University Medical Center, Tristar Northcrest Medical Center and Vanderbilt Wilson County Hospital.

When was this NPI record last updated?

The NPPES record for Kaleb Darrow was last updated on August 4, 2025. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 14 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.