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.

IndividualActiveAccepts Medicare

Thomas Castilaw

NPI 1588147623 · Nurse Practitioner · Red Bud, IL

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)

Practice location

325 Spring St

Red Bud, IL 62278

Phone: (618) 282-7373

Fax: (618) 282-5476

Street-level locationGet directions

More IL providers

Mailing address

Po Box 689022

Franklin, TN 37068

Specialties & taxonomies

Nurse PractitionerPrimary363L00000XLicense 209019982 (IL)
Physician Assistants & Advanced Practice Nursing Providers
Family Nurse Practitioner363LF0000XLicense A005907 (AR)
Physician Assistants & Advanced Practice Nursing Providers
Family Nurse Practitioner363LF0000XLicense 209019982 (IL)
Physician Assistants & Advanced Practice Nursing Providers

Enrolled with Medicare as Practitioner - Nurse Practitioner · source: CMS PECOS Public Provider Enrollment (2026.04.01)

Profile Score

Detailed profile(78/100 index)

A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.

Registry tenure25% of score
8 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 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)
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.

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.

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)

Provider details

Practice location

Mailing address

Specialties & taxonomies

Profile Score

What this provider does (Medicare)

What this provider prescribes (Medicare Part D)

Transparency — industry payments

Registry dates

Frequently asked questions

Specialties & taxonomies

Frequently asked questions

Profile Score

What this provider does (Medicare)

What this provider prescribes (Medicare Part D)

Transparency — industry payments