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Thomas Michael Castline , PA-C

Physician Assistant β€’ Indianapolis, IN

Active NPI 1427989904 Individual Practitioner Male Practitioner Accepts Medicare assignment
Practice location in NPPES

8400 Northwest Blvd
Indianapolis, IN 462781381

Call 3179561000 Location details and other listings
Medical Disclaimer

This profile restates public CMS/NPPES data; T-MedInfo gives no medical advice — consult a licensed professional, and call 911 for emergencies.

Practice Location & Contact Primary Location

Practice Address

8400 Northwest Blvd

Indianapolis, IN 462781381

Telephone 3179561000
Organization at the Same NPPES Address or Phone
Indiana Orthopaedic Hospital, Llc Facility NPI 1508979683

Matched by practice address or phone in NPPES. A shared address or phone does not confirm that this clinician works there.

Other Listings in Public Data

CMS Doctors and Clinicians lists 1 group name: Orthopaedics-Indianapolis Inc. See the list

Source: CMS Doctors and Clinicians National Downloadable File, CMS release of October 2, 2026.

Listings do not confirm current availability, employment or a shared ownership network.

Medicare Profile & Education

Source: CMS Doctors and Clinicians National Downloadable File, CMS release of October 2, 2026

Graduation Year

2026

Industry payments (Open Payments)

No Open Payments records are listed for this clinician for 2021–2025.

Guide: How to read an Open Payments record

Years since graduation

0 years (graduated 2026)

CMS Doctors and Clinicians data list 2026 as the year this clinician finished professional school.

What this does not show: Years since graduation

It is not the number of years in practice, and more years does not mean better care.

Source: CMS Doctors and Clinicians National Downloadable File, CMS release of October 2, 2026.

NPI first issued

2026

The year this clinician's National Provider Identifier (NPI) was issued. An NPI is a unique 10-digit ID that US health care providers use for billing.

What this does not show: NPI first issued

NPIs have been issued only since 2005, so this year is not necessarily when the clinician started practicing.

Source: CMS NPPES NPI Registry.

Accepts Medicare assignment

CMS data list this clinician as accepting Medicare assignment. This means agreeing to take the Medicare-approved amount as full payment for covered services.

Medicare assignment applies to Original Medicare. It does not tell you whether the clinician is in a Medicare Advantage plan's network, accepts other insurance, or is taking new patients.

Source: CMS Doctors and Clinicians, CMS release of October 2, 2026; Medicare.gov, β€œDoes your provider accept Medicare as full payment?”

Guide: What Medicare assignment means

No telehealth indicator

CMS shows this indicator only when recent Medicare claims include telehealth services. The clinician may still offer telehealth; ask the office.

Source: CMS, Telehealth Indicator on Medicare Care Compare (fact sheet, January 2023); CMS Doctors and Clinicians, CMS release of October 2, 2026.

Guide: How Medicare covers telehealth

Enrolled in Medicare (PECOS)

Thomas Castline has a Medicare enrollment record in PECOS, the CMS system clinicians use to enroll so they can bill Medicare or order services for people with Medicare.

It does not show whether the clinician accepts assignment, is in your plan's network, or is taking new patients.

Source: CMS Medicare Fee-For-Service Public Provider Enrollment (PECOS); CMS Order and Referring file.

Guide: What Medicare enrollment (PECOS) means

Can order Medicare-covered services

CMS lists Thomas Castline as eligible to order or refer Medicare Part B clinical laboratory and imaging services, durable medical equipment (DME) and home health services for people with Medicare.

What this does not show: Can order Medicare-covered services

It does not mean the clinician offers these services directly.

Source: CMS Medicare Fee-For-Service Public Provider Enrollment (PECOS); CMS Order and Referring file.

Guide: What ordering and referring status means

Compared with the same specialty in Indianapolis and Indiana

727 active clinicians are listed under Physician Assistant with a practice address in Indianapolis, IN (2,495 in Indiana).

Addresses are self-reported to NPPES and may be out of date.

Telehealth indicator in Indianapolis

12.8% of these 727 clinicians have the CMS telehealth indicator.

64.2% of these 727 clinicians are listed by CMS as accepting Medicare assignment.

Sources: CMS Doctors and Clinicians, CMS release of October 2, 2026, CMS NPPES NPI Registry. Specialty names follow the NUCC Health Care Provider Taxonomy.

Text: T-MedInfo Β· Report an error.

Specialties & License Numbers Reported to NPPES

Self-certified to NPPES: 2026-07-17
Physician Assistant Primary Specialty

NUCC Taxonomy Code: 363A00000X

License # reported to NPPES IN 10005393A

A physician assistant is a person who has successfully completed an accredited education program for physician assistant, is licensed by the state and is practicing within the scope of that license. Physician assistants are formally trained to perform many of the routine, time-consuming tasks a physician can do. In some states, they may prescribe medications. They take medical histories, perform physical exams, order lab tests and x-rays, and give inoculations. Most states require that they work under the supervision of a physician.

Check License Status with the State Board License numbers are self-reported to NPPES; T-MedInfo does not confirm them against state records. Current status: Indiana Professional Licensing Agency.
Look Up on State Board Site

Medicare (PECOS) Enrollment & Ordering Eligibility

Source: CMS PECOS
Medicare FFS Enrollment Status Medicare Enrollment on File
CMS Provider Specialty

PRACTITIONER - PHYSICIAN ASSISTANT

Medicare Enrollment ID

I20260721003735

Enrollment State Jurisdiction

IN

PECOS Control ID

1759846629

Medicare Order & Referring Eligibility
Clinical Lab & Imaging (Part B) Eligible
Durable Medical Equipment (DME) Eligible
Home Health Agency (HHA) Eligible
Power Mobility Devices (PMD) Eligible

Sources: CMS Provider Enrollment and Order and Referring. Medicare enrollment is a billing status, not an accreditation or quality rating.

Medicare Group Practice Enrollments

Source: CMS Doctors and Clinicians National Downloadable File, CMS release of October 2, 2026

Orthopaedics-Indianapolis Inc

8450 Northwest Blvd, Indianapolis, IN 462781381

Phone: 3178022000

Clinicians Sharing This Practice Address or Phone

Clinicians sharing this NPPES address, phone or fax; a shared contact does not mean they work together.

1 listed
Dr. Cara Peggs , MD

Anesthesiology

NPI 1447283676

Doctor of Medicine (M.D.)

Career & Practice History Timeline

Changes recorded in monthly NPPES data files: addresses, names, credentials, specialties and NPI status

9 Historical Events
πŸ“
Updated Business Mailing Address July 17, 2026

Registered at 8450 NORTHWEST BLVD, INDIANAPOLIS, IN 462781381 (Tel: 3178022000)

πŸ‘€
Provider Name / Credentials Updated July 17, 2026

Recorded as THOMAS CASTLINE, PA-C

πŸŽ“
Medical Taxonomy / Specialty Registered (Primary Specialty) July 17, 2026

Physician Assistant (license number reported to NPPES: IN 10005393A)

βœ…
NPI Profile Active May 26, 2026

NPI status registered as active in NPPES database

πŸ“
Practice Location (Initial Record) May 26, 2026

Registered at 8400 NORTHWEST BLVD, INDIANAPOLIS, IN 462781381 (Tel: 3179561000)

πŸ“
Business Mailing Address (Initial Record) May 26, 2026

Registered at 4510 OCEAN ST APT 3106, INDIANAPOLIS, IN 462050120 (Tel: 5743233010)

πŸ‘€
Provider Name / Credentials (Initial Record) May 26, 2026

Recorded as THOMAS CASTLINE

πŸŽ“
Medical Taxonomy / Specialty Registered (Primary Specialty) May 26, 2026

Physician Assistant

🟒
Initial NPI Registration & Enumeration May 26, 2026

First registered as active Individual Practitioner in NPPES Database.

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NPI Administrative Meta

NPI Number: 1427989904
Entity Type:
Individual Provider Physician, Nurse Practitioner, or Solo Healthcare Professional (Type 1 NPI)
Enumeration Date: May 26, 2026
Last Update: July 17, 2026
Sole Proprietor: No

Other Physician Assistants in Indianapolis

All Physician Assistants in Indianapolis

Mailing Address

8450 Northwest Blvd

Indianapolis, IN 462781381

Phone: 3178022000

About This Data NPPES fields (address, phone, specialty, license) are self-reported and may be outdated; Medicare fields follow the CMS dataset named in each section. Correct directly at NPPES.