Nial Castle, D.O.
NPI 1780677831 · Internal Medicine Physician · Kansas City, KS
Enrolled with Medicare as Practitioner - Internal Medicine · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Nial Castle, D.O. is a Internal Medicine Physician provider in Kansas City, KS (NPI 1780677831).
Provider details
- NPI number
- 1780677831
- Entity type
- Individual
- Primary specialty
- Internal Medicine PhysicianAllopathic & Osteopathic Physicians
- Credential
- D.O.
- Sex
- Male
- Sole proprietor
- No
- License
- 05-27603 (KS)
Specialties & taxonomies
Allopathic & Osteopathic Physicians
Allopathic & Osteopathic Physicians
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure28% of score
20 yrs in NPPES registry
- Profile completeness28% of score
100% of core fields populated
- Practice footprint17% of score
1 documented practice location
- Medicare service volume (vs. specialty peers)28% of score
1,572 Medicare services, 2024 (ranked within specialty)
Medicare volume is ranked against active providers in the same specialty. Signals a provider has no public data for (e.g. Medicare claims) are left out of the score entirely — never counted as zero — so providers without that data are not penalized. See the full formula and weights in our methodology.
What this provider does (Medicare)
Based on Medicare fee-for-service claims, 2024; not all care is captured.
| Service (HCPCS) | Medicare services | Typical Medicare-allowed (2024) |
|---|---|---|
| Subsequent Hospital Care With Moderate Levelof Medical Decision Making, If Using Time, at Least 35 Minutes99232 | 701 | $72 |
| Subsequent Hospital Care With Moderate Levelof Medical Decision Making, If Using Time, at Least 50 Minutes99233 | 284 | $109 |
| Hospital Discharge Day Management, More Than 30 Minutes99239 | 275 | $105 |
| Initial Hospital Care With Moderate Level of Medical Decision Making, If Using Time, at Least 75 Minutes99223 | 132 | $160 |
| Initial Hospital Care With Straightforward Or Low-Level Medical Decision Making, If Using Time, at Least 55 Minutes99222 | 99 | $120 |
| Critical Care, First 30-74 Minutes99291 | 44 |
What this provider prescribes (Medicare Part D)
Top drugs by Medicare Part D claim volume, 2024 · 30 distinct drugs on file.
| Drug | Part D claims (2024) | Beneficiaries |
|---|---|---|
| Ondansetronbrand: Ondansetron Odt | 131 | 130 |
| Pantoprazole Sodium | 59 | 41 |
| Amoxicillin/Potassium Clavbrand: Amoxicillin-Clavulanate Potass | 55 | 49 |
| Hydrocodone/Acetaminophenbrand: Hydrocodone-Acetaminophen | 39 | 39 |
| Amlodipine Besylate | 34 | 19 |
| Cefuroxime Axetilbrand: Cefuroxime | 32 | 31 |
Practice location
Mailing address
Registry dates
- Enumerated
- 2005-08-24
- Last updated
- 2024-03-22
- Certified
- 2024-03-22
Frequently asked questions
- What is Nial Castle's NPI number?
- Nial Castle's National Provider Identifier (NPI) is 1780677831, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Nial Castle's specialty?
- Nial Castle is listed in the NPPES registry with a primary specialty of Internal Medicine Physician (Allopathic & Osteopathic Physicians).
- Where is Nial Castle located?
- Nial Castle's practice location on file with NPPES is 8929 Parallel Pkwy, Kansas City, KS 66112-1689.
- What is Nial Castle's phone number?
- The practice phone number listed in the NPPES registry for Nial Castle is (913) 596-4000.
- Does Nial Castle accept Medicare?
- Nial Castle is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Nial Castle's NPI active?
- Yes — Nial Castle's NPI (1780677831) is active in the NPPES registry as of the last update on 2024-03-22.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.