Quick answers
- Does Sriharsha Vajjala accept Medicare assignment?
- Yes. Medicare's clinician data says Sriharsha Vajjala 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 Sriharsha Vajjala see?
- In 2024, CMS data shows 453 Original Medicare patients and 1,575 services for Sriharsha Vajjala. This counts Original Medicare only and measures volume, not quality.
- What is Sriharsha Vajjala's NPI number?
- 1417202201. 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 Sriharsha Vajjala, 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 | 453 |
|---|---|
| Services billed to Medicare | 1,575 |
| Different services or procedures | 27 |
| Participating Medicare provider | Yes |
| Average age of these patients | 74 |
Most frequent services
- Established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more (99214)466 services
- New patient office or other outpatient visit with moderate level of medical decision making, if using time, 45 minutes or more (99204)177 services
- Sleep study in sleep lab with continuous airway pressure (6 years or older) (95811)166 services
- Administration and interpretation of patient-focused health risk assessment (96160)140 services
- Therapy procedure using a positive pressure ventilator (94660)120 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%
- Arthritis52%
- Ischemic heart disease40%
- Anxiety28%
- Atrial fibrillation27%
Practice locations
Addresses where Sriharsha Vajjala is enrolled with Medicare (CMS data updated October 2, 2026).
- 8330 E Hartford Dr, Suite 100Scottsdale, AZ 85255 (480) 745‑3547
Group practices
Medicare enrollment lists Sriharsha Vajjala as a member of this group (CMS data updated October 2, 2026).
- The Insomnia and Sleep Institute of Arizona LLC10 clinicians in the group
Specialties
- Internal Medicineprimary
- Sleep Medicinealso
Other internal medicine doctors in Scottsdale
Clinicians with the same Medicare primary specialty in Scottsdale, AZ — not a recommendation.
Other clinicians in The Insomnia and Sleep Institute of Arizona LLC
Medicare enrollment lists these clinicians in the same group practice — not a recommendation.
Clinician information
| Credential | MD |
|---|---|
| Graduation year | 2007 (19 years since medical school) |
| Gender (as listed) | Male |
| Medicare assignment | Accepts (Medicare-approved amount as full payment) |
| Telehealth | Offers telehealth services |
| NPI (National Provider Identifier) | 1417202201 |
| 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