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Newly Listed Provider — this NPI profile has been added to the NPI registry within the last 90 days.

THOMAS MICHAEL CASTLINE PA-C
NPI 1427989904
Physician Assistant in Indianapolis, IN

Active since May 26, 2026PECOS Enrolled
8400 NORTHWEST BLVD, INDIANAPOLIS, IN 46278(317) 956-1000 Get Directions Write a Review

NPPES record added: July 17, 2026. Verified against the NPPES registry weekly; last sync: August 16, 2026.

Record update history: Jul 17, 2026, May 26, 2026 (2 updates tracked since 2026).

About Thomas Michael Castline Pa-c NPPES

Official registry information on file with the National Plan and Provider Enumeration System.

THOMAS MICHAEL CASTLINE PA-C (NPI 1427989904) is an individual physician assistant in Indianapolis, Indiana, licensed in Indiana (10005393A) and active in the NPI registry since May 2026. He is enrolled in Medicare PECOS.

NPPES Registry Identity

NPI1427989904
Entity TypeIndividualMale
Primary Taxonomy363A00000X
Provider Legal NameTHOMAS MICHAEL CASTLINECredential: PA-C
Location Address8400 NORTHWEST BLVDIndianapolis, IN 46278-1381
Mailing Address8450 Northwest BlvdIndianapolis, IN 46278-1381 · (317) 802-2000 · Fax (317) 802-2050
Phone(317) 956-1000
Sole ProprietorNo
Enumeration DateMay 26, 2026
Last NPPES UpdateJuly 17, 20262 updates tracked since enumeration
NPPES CertifiedJuly 17, 2026
✔ NPI 1427989904 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyPhysician AssistantPhysician Assistants & Advanced Practice Nursing Providers
Taxonomy Code363A00000X
License✔ Licensed in IN · 10005393A
Definition
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.
8400 NORTHWEST BLVD, Indianapolis, IN 46278
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Medicare Participation & PECOS CMS

Medicare enrollment, assignment, and ordering and referring status from the CMS PECOS system.

Medicare Enrollment Status

✔

Enrolled in Medicare (PECOS)

Thomas Michael Castline Pa-c is registered in the CMS Provider Enrollment, Chain and Ownership System (PECOS).

Eligible to Order & Refer✔ Part B Labs & Imaging✔ Durable Medical Equipment✔ Home Health Agency✔ Power Mobility DevicesPer the CMS Ordering and Referring file. Eligibility means Medicare pays claims that this provider orders or refers for these categories.

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 46278 ZIP code area, from fee-for-service claims. These are area statistics, not this provider’s prices; actual charges vary by service and coverage.

New Patient
$82.04 typical visit price
range $53.07 – $161.76
Typical copayment $20.51 (range $13.26 – $40.44)
Most-billed visit code 99203
Established Patient
$66.48 typical visit price
range $16.93 – $132.22
Typical copayment $16.62 (range $4.23 – $33.05)
Most-billed visit code 99213
Amounts reflect what Medicare beneficiaries in this ZIP area are typically charged for office visits. Patients with other coverage should check their individual plans.

Other Providers at the Same Location NPPES 6

Providers registered at the same practice address, or within the immediate area, according to the NPPES registry.

ANNA SMITH
Dietitian, Registered
8400 NORTHWEST BLVD
INDIANAPOLIS, IN 46278
Marion County (317) 956-1114
INDY ANESTHESIA SERVICES, LLC.
Anesthesiology
8400 NORTHWEST BLVD
INDIANAPOLIS, IN 46278
Marion County (317) 567-2180
MADISON STONE
Pharmacist
8400 NORTHWEST BLVD
INDIANAPOLIS, IN 46278
Marion County (317) 956-1151
CF. PEGGS, LLC.
Anesthesiology
8400 NORTHWEST BLVD
INDIANAPOLIS, IN 46278
Marion County (800) 223-3381
CARA F PEGGS MD
Anesthesiology
8400 NORTHWEST BLVD
INDIANAPOLIS, IN 46278
Marion County (317) 956-1000
INDIANA ORTHOPAEDIC HOSPITAL, LLC
Special Hospital
8400 NORTHWEST BLVD
INDIANAPOLIS, IN 46278
Marion County (317) 956-1000

Frequently Asked Questions NPPES & CMS

Common questions about this NPI record, answered from the official NPPES registry and CMS datasets shown on this page.

What is Thomas Castline's NPI number?

The NPI number for Thomas Castline is 1427989904. It was assigned to this individual provider in the NPPES registry on May 26, 2026.

Where is Thomas Castline located?

Thomas Castline practices at 8400 Northwest Blvd, Indianapolis, IN 46278. The listed phone number is (317) 956-1000.

What is Thomas Castline's specialty?

The primary specialty registered for this NPI is Physician Assistant with taxonomy code 363A00000X.

Is Thomas Castline enrolled in Medicare?

Yes. Thomas Castline is registered in the Medicare PECOS enrollment system.

When was this NPI record last updated?

The NPPES record for Thomas Castline was last updated on July 17, 2026. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 35 days ago. If this record has changed at CMS more recently, you can request an on-demand re-check against the live CMS registry, directly from this page.