RONALD CHRISTOPHER ROBERTS MD
NPI 1477180230
Internal Medicine - Medical Oncology in Chattanooga, TN

Q: What is Ronald Roberts's NPI number?

The NPI number for Ronald Roberts is 1477180230. It was assigned to this individual provider in the NPPES registry on March 23, 2020. The provider is also known as Christopher Ronald Funk MD.

Q: What is Ronald Roberts's specialty?

The primary specialty registered for this NPI is Internal Medicine, specializing in Medical Oncology, with taxonomy code 207RX0202X.

Q: When was this NPI record last updated?

The NPPES record for Ronald Roberts was last updated on February 20, 2026. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 8 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.

Active since March 23, 2020PECOS EnrolledAccepts Medicare Assignment

605 GLENWOOD DR STE 200, CHATTANOOGA, TN 37404(423) 698-1844 Get Directions Write a Review

NPPES record last updated: February 20, 2026. Verified against the NPPES registry weekly; last sync: October 25, 2026.

Record update history: Feb 2, 2026, Mar 23, 2020 (2 updates tracked since 2020).

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About Ronald Christopher Roberts Md NPPES

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

RONALD CHRISTOPHER ROBERTS MD (NPI 1477180230) is an individual medical oncology provider in Chattanooga, Tennessee, licensed in Tennessee (76551) and active in the NPI registry since March 2020. He is enrolled in Medicare PECOS, is affiliated with Memorial Healthcare System, Inc, and maintains 2 additional practice locations.

NPPES Registry Identity

NPI1477180230

Entity TypeIndividualMale

Primary Taxonomy207RX0202X

Provider Legal NameRONALD CHRISTOPHER ROBERTSCredential: MD

Location Address605 GLENWOOD DR STE 200Chattanooga, TN 37404-1130

Mailing Address2004 Hayes St Ste 800Nashville, TN 37203-2659 · (615) 329-0570 · Fax (615) 329-0579

Phone(423) 698-1844

Sole ProprietorNo

Medical School CMSEmory University School Of MedicineGraduated 2020

Enumeration DateMarch 23, 2020

Last NPPES UpdateFebruary 20, 20262 updates tracked since enumeration

NPPES CertifiedFebruary 20, 2026

✔ NPI 1477180230 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyInternal Medicine · Medical OncologyAllopathic & Osteopathic Physicians

Taxonomy Code207RX0202X

Licenses✔ Licensed in TN · 76551✔ Licensed in GA · 91888

Definition

An internist who specializes in the diagnosis and treatment of all types of cancer and other benign and malignant tumors. This specialist decides on and administers therapy for these malignancies as well as consults with surgeons and radiotherapists on other treatments for cancer.

605 GLENWOOD DR STE 200, Chattanooga, TN 37404

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Other Names 1

Former Name (1)Christopher Ronald Funk Md

Secondary Practice Locations 2

Location 11364 Clifton Rd NEAtlanta, GA 30322-1059 · Phone (404) 778-7777

Location 249 Jesse Hill Jr Dr SEAtlanta, GA 30303-3049 · Phone (404) 778-7777

Accepted Insurance

The full list of accepted plans is on the Insurance tab. Issuers include Alliant Health Plans, Inc., BlueCross BlueShield of Tennessee, Cigna Healthcare 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

Ronald Christopher Roberts 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 ID5193208866

PECOS Enrollment IDI20260311003096

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 Reassignment

Medicare enrollment records show Ronald Roberts reassigns Medicare billing to 1 organization. The organization bills Medicare for the services this provider delivers there.

Tennessee Oncology

1.6 mi

Diagnostic Radiology

1032 MCCALLIE AVE STE 200
Chattanooga, TN 37403

Reassigned Medicare billing, Tennessee enrollment
464 clinicians in this Medicare group

NPI 1912623364 (423) 708-6495

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.

Memorial Healthcare System, Inc

Acute Care Hospitals · Chattanooga, TN

5/5 CMS rating

OwnershipVoluntary non-profit - Church

CMS Certification Number440091

Location2525 Desales AveChattanooga, TN 37404 · Hamilton County

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 37404 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

$93.60 typical visit price

range $16.72 – $131.41

Typical copayment $23.40 (range $4.18 – $32.85)

Most-billed visit code 99214

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.

ELIZABETH NORTH FLUHRER FNP-BC

Nurse Practitioner (Family)