Quick answers
- Does Nial K. Castle Iii accept Medicare assignment?
- Yes. Medicare's clinician data says Nial K. Castle Iii 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 Nial K. Castle Iii see?
- In 2024, CMS data shows 555 Original Medicare patients and 1,581 services for Nial K. Castle Iii. This counts Original Medicare only and measures volume, not quality.
- What is Nial K. Castle Iii's NPI number?
- 1780677831. 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 Nial K. Castle Iii, 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 | 555 |
|---|---|
| Services billed to Medicare | 1,581 |
| Different services or procedures | 10 |
| Participating Medicare provider | Yes |
| Average age of these patients | 78 |
Most frequent services
- Subsequent hospital care with moderate levelof medical decision making, if using time, at least 35 minutes (99232)701 services
- Subsequent hospital care with moderate levelof medical decision making, if using time, at least 50 minutes (99233)284 services
- Hospital discharge day management, more than 30 minutes (99239)275 services
- Initial hospital care with moderate level of medical decision making, if using time, at least 75 minutes (99223)132 services
- Initial hospital care with straightforward or low-level medical decision making, if using time, at least 55 minutes (99222)99 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%
- Arthritis59%
- Ischemic heart disease50%
- Chronic kidney disease47%
- Diabetes43%
Hospitals where Nial K. Castle Iii works
Medicare's Facility Affiliation Data lists Nial K. Castle Iii 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.
- AdventHealth OttawaOttawa, KS · Acute Care Hospital · Medicare rating: 3 of 5 stars · Emergency services: listed by Medicare · CCN 170014
- AdventHealth Shawnee MissionShawnee Mission, KS · Acute Care Hospital · Medicare rating: 3 of 5 stars · Emergency services: listed by Medicare · CCN 170104
Practice locations
Addresses where Nial K. Castle Iii is enrolled with Medicare (CMS data updated October 2, 2026).
- 9100 W 14th StShawnee Mission, KS 66204 (913) 676‑2098
- 929 N Saint Francis Ave, Hmp of Tx PLLCWichita, KS 67214 (316) 291‑4396
Group practices
Medicare enrollment lists Nial K. Castle Iii as a member of these groups (CMS data updated October 2, 2026).
- Hospitalist Medicine Physicians of Texas PLLC686 clinicians in the group
- Kansas Hospitalist Services PA45 clinicians in the group
Specialties
- Internal Medicineprimary
Other internal medicine doctors in Kansas
Clinicians with the same Medicare primary specialty in Kansas — not a recommendation.
Other clinicians in Hospitalist Medicine Physicians of Texas PLLC
Medicare enrollment lists these clinicians in the same group practice — not a recommendation.
Clinician information
| Credential | DO |
|---|---|
| Medical school | R Franklin University Of Med & Sci/chicago Medical School |
| Graduation year | 1996 (30 years since medical school) |
| Gender (as listed) | Male |
| Medicare assignment | Accepts (Medicare-approved amount as full payment) |
| NPI (National Provider Identifier) | 1780677831 |
| 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