Thomas Castilaw
NPI 1588147623 · Nurse Practitioner · Red Bud, IL
Enrolled with Medicare as Practitioner - Nurse Practitioner · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Thomas Castilaw is a Nurse Practitioner provider in Red Bud, IL (NPI 1588147623).
Provider details
- NPI number
- 1588147623
- Entity type
- Individual
- Primary specialty
- Nurse PractitionerPhysician Assistants & Advanced Practice Nursing Providers
- Sex
- Male
- Sole proprietor
- No
- License
- A005907 (AR)
Specialties & taxonomies
Physician Assistants & Advanced Practice Nursing Providers
Physician Assistants & Advanced Practice Nursing Providers
Physician Assistants & Advanced Practice Nursing Providers
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure25% of score
7 yrs in NPPES registry
- Profile completeness25% of score
100% of core fields populated
- Practice footprint15% of score
1 documented practice location
- Medicare service volume (vs. specialty peers)25% of score
1,060 Medicare services, 2024 (ranked within specialty)
- Open Payments transparency10% of score
Has Open Payments disclosures (2024)
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 .
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) |
|---|---|---|
| Established Patient Office Or Other Outpatient Visit With Moderate Level of Decision Making, If Using Time, 30 Minutes Or More99214 | 134 | $101 |
| Established Patient Office Or Other Outpatient Visit With Low Level OD Decision Making, If Using Time, 20 Minutes Or More99213 | 91 | $73 |
| Amplifed Dna Or Rna Probe Detection of Severe Acute Respiratory Syndrome Coronavirus 2 (covid-19) Antigen87635 | 87 | $49 |
| Injection of Drug Or Substance Under Skin Or Into Muscle96372 | 85 | $11 |
| Detection Test By Nucleic Acid for Multiple Types Influenza Virus87502 | 69 | $93 |
| X-Ray of Chest, 2 Views71046 | 57 |
What this provider prescribes (Medicare Part D)
Top drugs by Medicare Part D claim volume, 2024 · 14 distinct drugs on file.
| Drug | Part D claims (2024) | Beneficiaries |
|---|---|---|
| Prednisone | 192 | 189 |
| Amoxicillin/Potassium Clavbrand: Amoxicillin-Clavulanate Potass | 65 | 65 |
| Azithromycin | 56 | 55 |
| Doxycycline Monohydrate | 43 | 42 |
| Cephalexin | 40 | 39 |
| Albuterol Sulfatebrand: Albuterol Sulfate Hfa | 34 | 33 |
| Nirmatrelvir/Ritonavirbrand: Paxlovid | 27 |
Transparency — industry payments
Based on CMS Open Payments, 2024; not all care is captured.
$17 across 1 record (Open Payments 2024)
Open Payments discloses payments and transfers of value (meals, travel, consulting, research, royalties) from drug and device makers to providers. This is a transparency signal, not a verdict — such payments are legal and common, and their presence is neither an endorsement nor a criticism. Source: CMS Open Payments, program year 2024.
Practice location
Mailing address
Registry dates
- Enumerated
- 2018-09-14
- Last updated
- 2023-01-25
- Certified
- 2023-01-25
Frequently asked questions
- What is Thomas Castilaw's NPI number?
- Thomas Castilaw's National Provider Identifier (NPI) is 1588147623, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Thomas Castilaw's specialty?
- Thomas Castilaw is listed in the NPPES registry with a primary specialty of Nurse Practitioner (Physician Assistants & Advanced Practice Nursing Providers).
- Where is Thomas Castilaw located?
- Thomas Castilaw's practice location on file with NPPES is 325 Spring St, Red Bud, IL 62278.
- What is Thomas Castilaw's phone number?
- The practice phone number listed in the NPPES registry for Thomas Castilaw is (618) 282-7373.
- Does Thomas Castilaw accept Medicare?
- Thomas Castilaw is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Thomas Castilaw's NPI active?
- Yes — Thomas Castilaw's NPI (1588147623) is active in the NPPES registry as of the last update on 2023-01-25.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.