Thomas Michael Castilaw

  • Festus, MO
  • Nurse practitioner
NPI1588147623PAC ID3476884446
Medicare patients, 2024
305
Part D claims, 2024
665
Industry payments
$15
Medical groups
3
State licenses
2
Practice address
408 Brothers Ave, Festus, MO 63028
Practice phone
Call (314) 961-2255
Professional email
Get professional email
Personal email
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Mobile number
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Social profiles

Primary practice

Total Access Urgent Care

Festus, Missouri

See all 4 affiliations

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Thomas Michael Castilaw is a nurse practitioner in Festus, Missouri

Thomas Castilaw practices at Total Access Urgent Care in Festus, Missouri.

Thomas Castilaw's NPI, 1588147623, was assigned on September 14, 2018. Thomas Castilaw holds Illinois license 209019982.

NPI and contact details
Medicare PAC ID
3476884446
NPI enumeration date
September 14, 2018
NPI status
Active
Accepts Medicare assignment
Yes
Practice phone
(314) 961-2255
Professional email
Get email
Personal email
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Mobile number
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Sex
Male
Estimated age
34
Medical school graduation
2018

Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; Dmand AI Practice Data; and Doctors and Clinicians National Downloadable File (CMS)

Thomas Michael Castilaw practices at Total Access Urgent Care in Festus, Missouri

Thomas Castilaw's primary practice is Total Access Urgent Care, at 408 Brothers Ave, Festus, MO 63028 in Jefferson County. The practice phone is (314) 961-2255.

  • Total Access Urgent Care
    408 Brothers Ave, Festus, MO 63028 · Jefferson CountyPhone(314) 961-2255

Sources: NPPES NPI Registry (CMS); and Dmand AI Practice Data

Thomas Michael Castilaw is affiliated with 1 site of care and 3 medical groups

Thomas Castilaw's primary practice is Total Access Urgent Care in Festus, Missouri. The medical group on file is Total Access Urgent Care. Dmand AI also links Thomas Castilaw to 2 more medical groups, each named with a free account.

See all 4 affiliations for Thomas Castilaw

Sources: NPPES NPI Registry (CMS); Dmand AI Practice Data; and Dmand AI Affiliation Data

Dmand AI tracks the EHR system at Thomas Michael Castilaw's practice

Dmand AI tracks the electronic health record (EHR) system at each site where Thomas Castilaw practices. Vendor and product names are available with a free account.

EHR by site
SiteEHR vendor and product
Total Access Urgent CareAvailable with a free account
+2 medical groupsAvailable with a free account

Source: Dmand AI Technology Install Data

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Thomas Michael Castilaw is one of 1,347 nurse practitioners in Missouri

Nurse practitioner is Thomas Castilaw's primary specialty in the NPI Registry, under taxonomy code 363L00000X. Dmand AI has Thomas Castilaw's licenses on file in 2 states: Illinois and Arkansas.

Specialties and state licenses

  • Nurse practitioner, IllinoisPrimaryLicense 209019982 · taxonomy 363L00000X
  • Family nurse practitioner, ArkansasLicense A005907 · taxonomy 363LF0000X

Nurse practitioners near Thomas Castilaw

Counts of nurse practitioners with a Dmand AI profile, by place and practice. Each opens the list.

1,347nurse practitioners in Missouri
8nurse practitioners in Festus

Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; and Dmand AI Peer Benchmarks

Thomas Michael Castilaw treated 305 Medicare patients in 2024, average age 73

CMS counts 305 Medicare patients who saw Thomas Castilaw in 2024. The largest group is 65 to 74, with 129 patients. 75% of them have high blood pressure, and 74% have high cholesterol. 12% are also on Medicaid. Their average risk score is 1.29, where 1.00 is the Medicare average.

Across all payers, Dmand AI patient panel data puts Thomas Castilaw's median patient age at 42, with 58% women.

Medicare patients, 2024305
Average age73
Average risk score1.29
Also on Medicaid12%

Thomas Castilaw's Medicare patients by age, 2024

Thomas Castilaw's Medicare patients by sex, 2024

  • Women19965%
  • Men10635%

Chronic conditions among Thomas Castilaw's Medicare patients, 2024

  1. High blood pressure75%
  2. High cholesterol74%
  3. Arthritis52%
  4. Anxiety31%
  5. Ischemic heart disease31%
  6. Mood disorders31%
  7. Depression29%
  8. Diabetes29%

Share of Medicare patients with each condition. A patient can have several.

Thomas Castilaw's patients across all payers

Dmand AI patient panel data covers Medicare, Medicaid and commercial patients.

Patient panel by age, all payers

Median age 42

Patient panel by sex, all payers

  • Women58%
  • Men42%

Sources: Dmand AI Patient Panel Data; and Medicare Physician & Other Practitioners - by Provider (CMS), 2024 data

Thomas Michael Castilaw wrote 665 Medicare Part D claims in 2024

In 2024, Thomas Castilaw wrote 665 Medicare Part D claims for 413 patients. 92% of them were for generic drugs.

Part D claims, 2024665
Part D patients413

Thomas Castilaw's Part D claims by kind of drug, 2024

  • Generic615 claims92%
  • Brand-name and other50 claims8%

Drug classes CMS tracks in Thomas Castilaw's Part D claims, 2024

  • Antibiotics39%259 of 665 claims

Share of all Part D claims for each drug class CMS reports on. Classes with no claims are left out.

Source: Medicare Part D Prescribers - by Provider (CMS), 2024 data

How Thomas Michael Castilaw takes part in Medicare

Thomas Castilaw accepts Medicare assignment, so Medicare's approved amount is taken as full payment.

Accepts Medicare assignment
Yes

Source: Doctors and Clinicians National Downloadable File (CMS)

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Thomas Michael Castilaw received $15 in industry payments in 2025

CMS Open Payments shows 1 general payment to Thomas Castilaw from 1 drug or device company in 2025. Food and beverage make up the largest share, 100% of the total. Pfizer Inc. paid the most, $15.

Companies that paid Thomas Castilaw the most, 2025 to 2025

Share is of all general payments to this clinician.

See all payments to Thomas Castilaw

Source: Open Payments (CMS), 2025 data, released July 7, 2026

Sources for Thomas Michael Castilaw's profile data

Sources for the data on this page
Data on this pageSource
NPI, name, sex, specialty and licensesNPPES NPI Registry (CMS) (opens in a new tab)Dmand AI Professional Profile Data
Practice locations and phoneNPPES NPI Registry (CMS) (opens in a new tab)Dmand AI Practice Data
Primary practice, affiliations and health systemNPPES NPI Registry (CMS) (opens in a new tab)Dmand AI Practice DataDmand AI Affiliation Data
Medicare patients and the all-payer patient panelDmand AI Patient Panel DataMedicare Physician & Other Practitioners - by Provider (CMS) (opens in a new tab)
Part D prescribingMedicare Part D Prescribers - by Provider (CMS) (opens in a new tab)
MIPS scores, telehealth, assignment and procedure percentilesDoctors and Clinicians National Downloadable File (CMS) (opens in a new tab)
Industry paymentsOpen Payments (CMS) (opens in a new tab)
EHR at each practice siteDmand AI Technology Install Data
Similar physiciansDmand AI Affiliation Data

Data last refreshed October 2026Report an inaccuracyRemove my information

FAQ

Frequently asked questions about Thomas Michael Castilaw

Spotted something out of date? Email hello@dmand.ai and we will check the record. Contact details live in the free trial.

What is Thomas Michael Castilaw's NPI number?

Thomas Michael Castilaw's NPI number is 1588147623. It was assigned on September 14, 2018, and it is active in the NPI Registry.

What does Thomas Michael Castilaw specialize in?

Thomas Michael Castilaw is a nurse practitioner in Festus, Missouri. The primary specialty in the NPI Registry is Nurse Practitioner (taxonomy code 363L00000X).

Where does Thomas Michael Castilaw practice?

Thomas Castilaw practices at 408 Brothers Ave, Festus, MO 63028. Thomas Castilaw's primary practice is Total Access Urgent Care in Festus, Missouri. Dmand AI also links Thomas Castilaw to 2 medical groups.

What is Thomas Michael Castilaw's office phone number?

The practice phone on file for Thomas Castilaw is (314) 961-2255.

What is Thomas Michael Castilaw's medical license number?

Thomas Castilaw holds Illinois license 209019982, one of the licenses on file in 2 states.

Which states has Thomas Michael Castilaw been licensed in?

Dmand AI has state licenses on file for Thomas Castilaw in Illinois and Arkansas.

What medical group is Thomas Michael Castilaw part of?

Thomas Castilaw is linked to Total Access Urgent Care. Dmand AI links Thomas Castilaw to 2 more medical groups.

Does Thomas Michael Castilaw accept Medicare?

Yes. CMS lists Thomas Castilaw as accepting Medicare assignment.

How many Medicare patients does Thomas Michael Castilaw see?

CMS counts 305 Medicare patients who saw Thomas Castilaw in 2024, with an average age of 73.

Has Thomas Michael Castilaw received payments from drug or device companies?

CMS Open Payments shows $15 in general payments to Thomas Castilaw from 1 company from 2025 to 2025. The largest total came from Pfizer Inc.

How long has Thomas Michael Castilaw been practicing?

Thomas Castilaw graduated from medical school in 2018, 8 years ago.

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