Harigovinda Challa, MD
NPI 1508942319 · Diagnostic Radiology Physician · Chattanooga, TN
Enrolled with Medicare as Practitioner - Diagnostic Radiology · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Harigovinda Challa, MD is a Diagnostic Radiology Physician provider in Chattanooga, TN (NPI 1508942319).
Provider details
- NPI number
- 1508942319
- Entity type
- Individual
- Primary specialty
- Diagnostic Radiology PhysicianAllopathic & Osteopathic Physicians
- Credential
- MD
- Sex
- Male
- Sole proprietor
- No
- License
- 42935 (KY)
Specialties & taxonomies
Allopathic & Osteopathic Physicians
Allopathic & Osteopathic Physicians
Allopathic & Osteopathic Physicians
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure28% of score
19 yrs in NPPES registry
- Profile completeness28% of score
100% of core fields populated
- Practice footprint17% of score
1 documented practice location
- Medicare service volume (vs. specialty peers)28% of score
4,369 Medicare services, 2024 (ranked within specialty)
Medicare volume is ranked against active providers in the same specialty. Signals a provider has no public data for (e.g. Medicare claims) are left out of the score entirely — never counted as zero — so providers without that data are not penalized. See the full formula and weights in our methodology.
What this provider does (Medicare)
Based on Medicare fee-for-service claims, 2024; not all care is captured.
| Service (HCPCS) | Medicare services | Typical Medicare-allowed (2024) |
|---|---|---|
| X-Ray of Chest, 1 View71045 | 843 | $8 |
| Ct Scan Head Or Brain Without Contrast70450 | 505 | $36 |
| Ct Scan of Abdomen and Pelvis With Contrast74177 | 247 | $80 |
| Ct Scan of Upper Spine Without Contrast72125 | 235 | $43 |
| Ct Scan of Blood Vessels of Chest With Contrast71275 | 156 | $79 |
| X-Ray of Chest, 2 Views71046 | 151 | $10 |
| Ct Scan of Abdomen and Pelvis Without Contrast |
Practice location
Mailing address
Registry dates
- Enumerated
- 2006-10-27
- Last updated
- 2018-10-04
Frequently asked questions
- What is Harigovinda Challa's NPI number?
- Harigovinda Challa's National Provider Identifier (NPI) is 1508942319, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Harigovinda Challa's specialty?
- Harigovinda Challa is listed in the NPPES registry with a primary specialty of Diagnostic Radiology Physician (Allopathic & Osteopathic Physicians).
- Where is Harigovinda Challa located?
- Harigovinda Challa's practice location on file with NPPES is 975 E 3rd St, Chattanooga, TN 37403-2147.
- What is Harigovinda Challa's phone number?
- The practice phone number listed in the NPPES registry for Harigovinda Challa is (423) 778-6213.
- Does Harigovinda Challa accept Medicare?
- Harigovinda Challa is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Harigovinda Challa's NPI active?
- Yes — Harigovinda Challa's NPI (1508942319) is active in the NPPES registry as of the last update on 2018-10-04.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.