HARIGOVINDA REDDY CHALLA MD
NPI 1508942319
Radiology - Diagnostic Radiology in Chattanooga, TN
About Harigovinda Reddy Challa Md NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
HARIGOVINDA REDDY CHALLA MD (NPI 1508942319) is an individual diagnostic radiology provider in Chattanooga, Tennessee, licensed in Kentucky (42935) and active in the NPI registry since October 2006. He is enrolled in Medicare PECOS, is affiliated with Ascension St Vincent Hospital, and is a graduate of Other (1997).
NPPES Registry Identity
Specialties & Licenses 2
Other Identifiers 3
Accepted Insurance
Medicare Participation & PECOS CMS
Medicare enrollment, assignment, billing reassignment, and ordering and referring status from CMS.
Medicare Enrollment Status
Enrolled in Medicare (PECOS)
Harigovinda Reddy Challa Md is registered in the CMS Provider Enrollment, Chain and Ownership System (PECOS).
Medicare Billing Reassignments
8Medicare enrollment records show Harigovinda Challa reassigns Medicare billing to 8 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.
Chattanooga, TN 37403
- Reassigned Medicare billing, Georgia, North Carolina and Tennessee enrollments
- 36 clinicians in this Medicare group
Winston Salem, NC 27103
- Reassigned Medicare billing, North Carolina enrollment
- 171 clinicians in this Medicare group
Indianapolis, IN 46260
- Reassigned Medicare billing, Indiana and Tennessee enrollments
- 219 clinicians in this Medicare group
Olympia Fields, IL 60461
- Reassigned Medicare billing, Illinois and Tennessee enrollments
- 228 clinicians in this Medicare group
Rockford, IL 61114
- Reassigned Medicare billing, Illinois enrollment
- 1,375 clinicians in this Medicare group
Janesville, WI 53548
- Reassigned Medicare billing, Illinois enrollment
- 671 clinicians in this Medicare group
Waterloo, IA 50703
- Reassigned Medicare billing, Tennessee enrollment
- 3 clinicians in this Medicare group
Sioux City, IA 51104
- Reassigned Medicare billing, Tennessee enrollment
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 56
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.
Ascension St Vincent Hospital
Acute Care Hospitals · Indianapolis, INUnitypoint Health - Marshalltown
Acute Care Hospitals · Marshalltown, IAAllen Hospital
Acute Care Hospitals · Waterloo, IAGrundy County Memorial Hospital
Critical Access Hospitals · Grundy Center, IAErlanger Medical Center
Acute Care Hospitals · Chattanooga, TNPhysician Visit Costs CMS claims · ZIP area
Typical Medicare office-visit costs in the 37403 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.
CHATTANOOGA, TN 37403
CHATTANOOGA, TN 37403
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 Harigovinda Challa's NPI number?
The NPI number for Harigovinda Challa is 1508942319. It was assigned to this individual provider in the NPPES registry on October 27, 2006.
Where is Harigovinda Challa located?
Harigovinda Challa practices at 975 E 3rd St Box 376, Chattanooga, TN 37403. The listed phone number is (423) 778-6213.
What is Harigovinda Challa's specialty?
The primary specialty registered for this NPI is Radiology, specializing in Diagnostic Radiology, with taxonomy code 2085R0202X.
Is Harigovinda Challa enrolled in Medicare?
Yes. Harigovinda Challa is registered in the Medicare PECOS enrollment system.
Which organizations bill Medicare for Harigovinda Challa's services?
According to the CMS Revalidation Reassignment List (October 2026 release), Harigovinda Challa reassigns Medicare benefits to 8 organizations: Tennessee Interventional And Imaging Associates, PLLC (Chattanooga, TN), Wake Forest Baptist Imaging, LLC (Winston Salem, NC), Imaging Associates Of Indiana, PC (Indianapolis, IN), Specialists In Medical Imaging Sc (Olympia Fields, IL), Rockford Health Physicians (Rockford, IL) and 3 more organizations, listed in the Medicare section above. 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 Harigovinda Challa's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.
What insurance does Harigovinda Challa accept?
Health plans from Alliant Health Plans, Inc., Anthem Blue Cross and Blue Shield, Cigna HealthCare of Florida, Inc., Cigna Healthcare and Molina Healthcare and 2 other insurers list Harigovinda Challa 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 Harigovinda Challa affiliated with any hospitals?
According to CMS data, Harigovinda Challa is affiliated with Ascension St Vincent Hospital, Unitypoint Health - Marshalltown, Allen Hospital, Grundy County Memorial Hospital and Erlanger Medical Center.
When was this NPI record last updated?
The NPPES record for Harigovinda Challa was last updated on October 4, 2018. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 8 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.