Quick answers
- Does Sarath B. Gangavarapu accept Medicare assignment?
- Yes. Medicare's clinician data says Sarath B. Gangavarapu accepts Medicare assignment (the Medicare-approved amount as full payment for covered services), as of October 2, 2026. Ask the office to confirm before your visit.
- How many Medicare patients does Sarath B. Gangavarapu see?
- In 2024, CMS data shows 43 Original Medicare patients and 341 services for Sarath B. Gangavarapu. This counts Original Medicare only and measures volume, not quality.
- What is Sarath B. Gangavarapu's NPI number?
- 1194755124. The NPI (National Provider Identifier) is the clinician's permanent federal ID; you can look it up in the official NPI Registry.
Medicare activity in 2024
Official CMS public-use data for Sarath B. Gangavarapu, data year 2024 (released May 21, 2026). It covers Original Medicare (fee-for-service) patients only, not Medicare Advantage or other insurance. It shows volume, not quality or outcomes. CMS hides any count of 10 or fewer patients.
| Original Medicare patients | 43 |
|---|---|
| Services billed to Medicare | 341 |
| Different services or procedures | 8 |
| Participating Medicare provider | Yes |
| Average age of these patients | 52 |
Most frequent services
- Subsequent hospital care with moderate levelof medical decision making, if using time, at least 35 minutes (99232)194 services
- Subsequent hospital care with moderate levelof medical decision making, if using time, at least 50 minutes (99233)81 services
- Hospital discharge day management, 30 minutes or less (99238)24 services
- Initial hospital care with moderate level of medical decision making, if using time, at least 75 minutes (99223)23 services
Chronic conditions among these patients
Share of this clinician’s Original Medicare patients with each condition, as published by CMS (it describes the patients, not the care given).
- Depression75%
- Anxiety75%
- High blood pressure70%
- High cholesterol51%
- Diabetes42%
- Arthritis33%
Hospitals where Sarath B. Gangavarapu works
Medicare's Facility Affiliation Data lists Sarath B. Gangavarapu at these hospitals (updated October 2, 2026). Each hospital page shows its address, phone, emergency services, Medicare rating and all its clinicians. Star rating and emergency services: Hospital General Information (CMS), data updated October 26, 2026.
- Parkridge Medical CenterChattanooga, TN · Acute Care Hospital · Medicare rating: 4 of 5 stars · Emergency services: listed by Medicare · CCN 440156
Practice locations
Addresses where Sarath B. Gangavarapu is enrolled with Medicare (CMS data updated October 2, 2026).
- 2333 McCallie AveChattanooga, TN 37404 (423) 698‑6061
- 651 Dunlop LnClarksville, TN 37040 (931) 502‑1262
- 7351 Courage WayChattanooga, TN 37421 (423) 894‑4220
- 804 N Holtzclaw AveChattanooga, TN 37404 (877) 249‑2737
Group practices
Medicare enrollment lists Sarath B. Gangavarapu as a member of these groups (CMS data updated October 2, 2026).
- River Region Psychiatry Associates, LLC122 clinicians in the group
- Erlanger Behavioral Health, LLC9 clinicians in the group
Specialties
- Psychiatryprimary
- Neurologyalso
Other psychiatrists in Chattanooga
Clinicians with the same Medicare primary specialty in Chattanooga, TN — not a recommendation.
Other clinicians in River Region Psychiatry Associates, LLC
Medicare enrollment lists these clinicians in the same group practice — not a recommendation.
Clinician information
| Credential | MD |
|---|---|
| Graduation year | 1979 (47 years since medical school) |
| Gender (as listed) | Male |
| Medicare assignment | Accepts (Medicare-approved amount as full payment) |
| NPI (National Provider Identifier) | 1194755124 |
| Corrections | Report an error or suggest an update → |
Most corrections must be made at the source: clinicians update their NPI Registry record (NPPES) and their Medicare enrollment (PECOS); this page follows the next data release.
Sources
- Facility Affiliation Data — Centers for Medicare & Medicaid Services (CMS), data updated October 2, 2026, retrieved October 29, 2026
- Hospital General Information — CMS, data updated October 26, 2026, retrieved November 13, 2026
- National Downloadable File (Doctors and Clinicians) — CMS, data updated October 2, 2026, retrieved October 29, 2026
- Medicare Physician & Other Practitioners - by Provider — CMS, data year 2024, released May 21, 2026; Medicare Physician & Other Practitioners - by Provider and Service
- NPI Registry — U.S. Department of Health and Human Services (NPPES), the clinician’s official record
- Medicare Care Compare — official Medicare tool to look up clinicians