Quick answers
- Does Narayana S. Mamillapalli accept Medicare assignment?
- Yes. Medicare's clinician data says Narayana S. Mamillapalli 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 Narayana S. Mamillapalli see?
- In 2024, CMS data shows 119 Original Medicare patients and 157 services for Narayana S. Mamillapalli. This counts Original Medicare only and measures volume, not quality.
- What is Narayana S. Mamillapalli's NPI number?
- 1972724086. 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 Narayana S. Mamillapalli, 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 | 119 |
|---|---|
| Services billed to Medicare | 157 |
| Different services or procedures | 33 |
| Participating Medicare provider | Yes |
| Average age of these patients | 75 |
Most frequent services
- Ct scan head or brain without contrast (70450)63 services
- Mri scan of brain without contrast (70551)14 services
- Ct scan of upper spine without contrast (72125)11 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).
- High blood pressure75%
- High cholesterol75%
- Arthritis62%
- Ischemic heart disease55%
- Diabetes51%
- Anxiety45%
Hospitals where Narayana S. Mamillapalli works
Medicare's Facility Affiliation Data lists Narayana S. Mamillapalli 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.
- El Campo Memorial HospitalEl Campo, TX · Acute Care Hospital · Medicare rating: 3 of 5 stars · Emergency services: listed by Medicare · CCN 450694
- Huntsville Memorial HospitalHuntsville, TX · Acute Care Hospital · Medicare rating: 2 of 5 stars · Emergency services: listed by Medicare · CCN 450347
- North Texas Medical CenterGainesville, TX · Acute Care Hospital · Medicare rating: 4 of 5 stars · Emergency services: listed by Medicare · CCN 450090
- Peterson Regional Medical CenterKerrville, TX · Acute Care Hospital · Medicare rating: 4 of 5 stars · Emergency services: listed by Medicare · CCN 450007
- Valley Regional Medical CenterBrownsville, TX · Acute Care Hospital · Medicare rating: 2 of 5 stars · Emergency services: listed by Medicare · CCN 450662
Practice locations
Addresses where Narayana S. Mamillapalli is enrolled with Medicare (CMS data updated October 2, 2026).
- 1505 Whistle Brook DrAllen, TX 75013 (469) 677‑7430
- 575 Hill Country Dr, Suite 101Kerrville, TX 78028 (830) 258‑7090
- 801 W Interstate 20Arlington, TX 76017 (713) 461‑3573
Group practices
Medicare enrollment lists Narayana S. Mamillapalli as a member of these groups (CMS data updated October 2, 2026).
- Singleton Associates PA838 clinicians in the group
- Concord Radiology PLLC225 clinicians in the group
- Peterson Medical Associates191 clinicians in the group
- Coaxion PLLC31 clinicians in the group
Specialties
- Diagnostic Radiologyprimary
Other radiologists in Allen
Clinicians with the same Medicare primary specialty in Allen, TX — not a recommendation.
Other clinicians in Singleton Associates PA
Medicare enrollment lists these clinicians in the same group practice — not a recommendation.
Clinician information
| Credential | MD |
|---|---|
| Graduation year | 2002 (24 years since medical school) |
| Gender (as listed) | Male |
| Medicare assignment | Accepts (Medicare-approved amount as full payment) |
| NPI (National Provider Identifier) | 1972724086 |
| 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