Quick answers
- Does Vivek H. Dayal accept Medicare assignment?
- Yes. Medicare's clinician data says Vivek H. Dayal 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 Vivek H. Dayal see?
- In 2024, CMS data shows 72 Original Medicare patients and 647 services for Vivek H. Dayal. This counts Original Medicare only and measures volume, not quality.
- What is Vivek H. Dayal's NPI number?
- 1922173137. 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 Vivek H. Dayal, 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 | 72 |
|---|---|
| Services billed to Medicare | 647 |
| Different services or procedures | 28 |
| Participating Medicare provider | Yes |
| Average age of these patients | 73 |
Most frequent services
- Established patient office or other outpatient visit with high level of medical decision making, if using time, 40 minutes or more (99215)199 services
- Established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more (99214)81 services
- Visit complexity inherent to evaluation and management associated with medical care services that serve as the continuing focal point for all needed health care services and/or with medical care services that are part of ongoing care related to a patient's (G2211)53 services
- Face-to-face behavioral counseling for obesity, 15 minutes (G0447)41 services
- Annual wellness visit, includes a personalized prevention plan of service (pps), subsequent visit (G0439)33 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%
- Arthritis47%
- Ischemic heart disease38%
- Diabetes26%
- Atrial fibrillation18%
Practice locations
Addresses where Vivek H. Dayal is enrolled with Medicare (CMS data updated October 2, 2026).
- 7215 Wyoming Spgs, Bldg 3 Suite 700Round Rock, TX 78681
- 7215 Wyoming Spgs Dr, Bldg 3 Suite 700Round Rock, TX 78681 (512) 246‑3344
- 7215 Wyoming Springs Dr, Suite 700Round Rock, TX 78681
Specialties
- Internal Medicineprimary
- Pediatric Medicinealso
Other internal medicine doctors in Round Rock
Clinicians with the same Medicare primary specialty in Round Rock, TX — not a recommendation.
Clinician information
| Credential | MD |
|---|---|
| Medical school | University Of Texas Medical School At Houston |
| Graduation year | 1995 (31 years since medical school) |
| Gender (as listed) | Male |
| Medicare assignment | Accepts (Medicare-approved amount as full payment) |
| NPI (National Provider Identifier) | 1922173137 |
| 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
- 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