ALEXANDER STEVEN THOMAS MD
NPI 1083272645
Psychiatry & Neurology - Addiction Medicine in Indianapolis, IN

Active since May 30, 2019PECOS EnrolledAccepts Medicare Assignment
3171 N MERIDIAN ST, INDIANAPOLIS, IN 46208(317) 941-5003(317) 931-5140 Get Directions Write a Review

NPPES record last updated: April 24, 2025. Verified against the NPPES registry weekly; last sync: August 02, 2026.

Record update history: Feb 24, 2025, Jun 25, 2024, Jun 7, 2024 and 2 more (5 updates tracked since 2019).

About Alexander Steven Thomas Md NPPES

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

ALEXANDER STEVEN THOMAS MD (NPI 1083272645) is an individual addiction medicine provider in Indianapolis, Indiana, licensed in Indiana (01086577A) and active in the NPI registry since May 2019. He is enrolled in Medicare PECOS, is affiliated with Eskenazi Health, and maintains 2 additional practice locations.

NPPES Registry Identity

NPI1083272645
Entity TypeIndividualMale
Primary Taxonomy2084A0401X
Provider Legal NameALEXANDER STEVEN THOMASCredential: MD
Location Address3171 N MERIDIAN STIndianapolis, IN 46208-4784
Mailing Address355 W 16th St Ste 2364Indianapolis, IN 46202-2279 · (317) 963-7307
Fax(317) 931-5140
Sole ProprietorYes
Medical School CMSIndiana University School Of MedicineGraduated 2019
Enumeration DateMay 30, 2019
Last NPPES UpdateApril 24, 20255 updates tracked since enumeration
NPPES CertifiedApril 24, 2025
NPI 1083272645 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses 3

Primary SpecialtyPsychiatry & Neurology · Addiction MedicineAllopathic & Osteopathic Physicians
Taxonomy Code2084A0401X
License Licensed in IN · 01086577A
Definition
A doctor of osteopathy board eligible/certified in the field of Psychiatry by the American Osteopathic Board of Neurology and Psychiatry is able to obtain a Certificate of Added Qualifications in the field of Addiction Medicine
Also ListedPsychiatry & Neurology · PsychiatryTaxonomy 2084P0800X · License 01086577A (IN)
3171 N MERIDIAN ST, Indianapolis, IN 46208

Secondary Practice Locations 2

Location 1355 W 16th St Ste 2800Indianapolis, IN 46202-2279 · Phone (317) 963-7300 · Fax (317) 963-7325
Location 2355 W 16th St Ste 2364Indianapolis, IN 46202-2279 · Phone (317) 963-7307

Accepted Insurance

Medicare Participation & PECOS CMS

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

Medicare Enrollment Status

Enrolled in Medicare and accepts Medicare assignment

Alexander Steven Thomas Md is registered in PECOS and agrees to accept the Medicare-approved amount as full payment. Medicare patients are not billed beyond the standard deductible and coinsurance.

PECOS PAC ID5092049825
PECOS Enrollment IDI20240614002292
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.

Hospital Affiliations CMS Care Compare 2

Hospitals where this provider delivers care, identified from recent Medicare claims and place-of-service records.

Eskenazi Health

Acute Care Hospitals · Indianapolis, IN
3/5 CMS rating
OwnershipGovernment - Local
CMS Certification Number150024
Location720 Eskenazi AvenueIndianapolis, IN 46202 · Marion County
Emergency services Birthing friendly

Indiana University Health

Acute Care Hospitals · Indianapolis, IN
3/5 CMS rating
OwnershipVoluntary non-profit - Private
CMS Certification Number150056
Location1701 N Senate BlvdIndianapolis, IN 46202 · Marion County
Emergency services Birthing friendly

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 46208 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
$122.49 typical visit price
range $53.07 – $161.76
Typical copayment $30.62 (range $13.26 – $40.44)
Most-billed visit code 99204
Established Patient
$94.22 typical visit price
range $16.93 – $132.22
Typical copayment $23.55 (range $4.23 – $33.05)
Most-billed visit code 99214
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 20

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

Social Worker (Clinical)
3171 N MERIDIAN ST
INDIANAPOLIS, IN 46208
Social Worker (Clinical)
3171 N MERIDIAN ST
INDIANAPOLIS, IN 46208
Counselor (Mental Health)
3171 N MERIDIAN ST, 2ND FLOOR
INDIANAPOLIS, IN 46208
Counselor (Mental Health)
3171 N MERIDIAN ST
INDIANAPOLIS, IN 46208
Nurse Practitioner (Psychiatric/Mental Health)
3171 N MERIDIAN ST
INDIANAPOLIS, IN 46208
Community/Behavioral Health
3171 N MERIDIAN ST
INDIANAPOLIS, IN 46208
Social Worker (Clinical)
3171 N MERIDIAN ST
INDIANAPOLIS, IN 46208
Social Worker (Clinical)
3171 N MERIDIAN ST
INDIANAPOLIS, IN 46208

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 Alexander Thomas's NPI number?

The NPI number for Alexander Thomas is 1083272645. It was assigned to this individual provider in the NPPES registry on May 30, 2019.

Where is Alexander Thomas located?

Alexander Thomas practices at 3171 N Meridian St, Indianapolis, IN 46208. The listed phone number is (317) 941-5003.

What is Alexander Thomas's specialty?

The primary specialty registered for this NPI is Psychiatry & Neurology, specializing in Addiction Medicine, with taxonomy code 2084A0401X.

Is Alexander Thomas enrolled in Medicare?

Yes. Alexander Thomas is registered in the Medicare PECOS system and accepts Medicare assignment, which means accepting the Medicare-approved amount as payment in full for covered services.

What insurance does Alexander Thomas accept?

Health plans from Ambetter Health, Ambetter from Buckeye Health Plan, Ambetter from Meridian, Anthem Blue Cross and Blue Shield and CareSource list Alexander Thomas as in-network in at least one marketplace plan. Coverage varies by plan and year; verify with the insurer or the provider before a visit.

Is Alexander Thomas affiliated with any hospitals?

According to CMS data, Alexander Thomas is affiliated with Eskenazi Health and Indiana University Health.

When was this NPI record last updated?

The NPPES record for Alexander Thomas was last updated on April 24, 2025. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 15 months 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.