Quick answers
- Does Harrison F. Kay accept Medicare assignment?
- Yes. Medicare's clinician data says Harrison F. Kay 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 Harrison F. Kay see?
- In 2024, CMS data shows 385 Original Medicare patients and 2,668 services for Harrison F. Kay. This counts Original Medicare only and measures volume, not quality.
- What is Harrison F. Kay's NPI number?
- 1164883096. 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 Harrison F. Kay, 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 | 385 |
|---|---|
| Services billed to Medicare | 2,668 |
| Different services or procedures | 80 |
| Participating Medicare provider | Yes |
| Average age of these patients | 74 |
Most frequent services
- Injection, methylprednisolone acetate, 1 mg (J1010)920 services
- Injection, triamcinolone acetonide, not otherwise specified, 10 mg (J3301)688 services
- New patient office or other outpatient visit with moderate level of medical decision making, if using time, 45 minutes or more (99204)174 services
- Established patient office or other outpatient visit with low level od decision making, if using time, 20 minutes or more (99213)162 services
- X-ray of hand, minimum of 3 views (73130)144 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 cholesterol75%
- Arthritis75%
- High blood pressure66%
- Ischemic heart disease34%
- Anxiety25%
- Depression23%
Hospitals where Harrison F. Kay works
Medicare's Facility Affiliation Data lists Harrison F. Kay 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.
- St David's Medical CenterAustin, TX · Acute Care Hospital · Medicare rating: 4 of 5 stars · Emergency services: listed by Medicare · CCN 450431
Practice locations
Addresses where Harrison F. Kay is enrolled with Medicare (CMS data updated October 2, 2026).
- 4611 Guadalupe St, Suite 200Austin, TX 78751 (512) 476‑2830
- 5329 Serene Hills Dr, 200 Orthopaedic Specialists of AustinLakeway, TX 78738 (512) 476‑2830
Group practices
Medicare enrollment lists Harrison F. Kay as a member of this group (CMS data updated October 2, 2026).
- Heinrich-Josey Orthopaedics, PLLC22 clinicians in the group
Specialties
- Hand Surgeryprimary
Other hand surgeons in Austin
Clinicians with the same Medicare primary specialty in Austin, TX — not a recommendation.
Other clinicians in Heinrich-Josey Orthopaedics, PLLC
Medicare enrollment lists these clinicians in the same group practice — not a recommendation.
Clinician information
| Credential | MD |
|---|---|
| Medical school | Vanderbilt University School Of Medicine |
| Graduation year | 2016 (10 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) | 1164883096 |
| 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