RHEUMATOLOGY TREATMENT CENTERS OF AMERICA
NPI 1568284339
Internal Medicine - Rheumatology in Merrillville, IN

Q: What is Rheumatology Treatment Centers Of America's specialty?

The primary specialty registered for this NPI is Internal Medicine, specializing in Rheumatology, with taxonomy code 207RR0500X.

Active since October 31, 2024

118 E 90TH DR, MERRILLVILLE, IN 46410(219) 736-2922(855) 820-7118 Get Directions Write a Review

NPPES record last updated: July 8, 2025. Verified against the NPPES registry weekly; last sync: October 18, 2026.

Record update history: Jul 8, 2025, Jun 27, 2025 (2 updates tracked since 2025).

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About Rheumatology Treatment Centers Of America NPPES

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

RHEUMATOLOGY TREATMENT CENTERS OF AMERICA (NPI 1568284339), doing business as Rtc America Llc, is a healthcare organization registered as a rheumatology in Merrillville, Indiana and active in the NPI registry since October 2024. The organization lists Ahmad Muhammad Salah, Owner, as its authorized official.

NPPES Registry Identity

NPI1568284339

Entity TypeOrganization

Primary Taxonomy207RR0500X

Legal Business NameRHEUMATOLOGY TREATMENT CENTERS OF AMERICA

Location Address118 E 90TH DRMerrillville, IN 46410-7160

Mailing Address118 E 90th DrMerrillville, IN 46410-7160 · (219) 736-2922 · Fax (855) 820-7118

Phone(219) 736-2922

Fax(855) 820-7118

Organization SubpartNo

Authorized OfficialAhmad Muhammad SalahOwner · (219) 736-2922

Enumeration DateOctober 31, 2024

Last NPPES UpdateJuly 8, 20252 updates tracked since enumeration

NPPES CertifiedJuly 8, 2025

✔ NPI 1568284339 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses 3

★ Primary SpecialtyInternal Medicine · RheumatologyAllopathic & Osteopathic Physicians

Taxonomy Code207RR0500X

Definition

An internist who treats diseases of joints, muscle, bones and tendons. This specialist diagnoses and treats arthritis, back pain, muscle strains, common athletic injuries and collagen diseases.

Also ListedClinic/Center · Infusion TherapyTaxonomy 261QI0500X

Also ListedNon-Pharmacy Dispensing SiteTaxonomy 332900000X

118 E 90TH DR, Merrillville, IN 46410

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Other Names 3

Doing Business AsRtc America Llc

Doing Business AsRtc Indiana Llc

Doing Business AsRtca Llc

Medicare Participation & PECOS CMS

Medicare enrollment and the clinicians who bill Medicare through this organization, from CMS.

Medicare Enrollment Status

✔

Enrolled in Medicare (PECOS)

Rheumatology Treatment Centers Of America is registered in the CMS Provider Enrollment, Chain and Ownership System (PECOS).

Clinicians Billing Medicare Through This Organization

Medicare enrollment records show 1 clinician reassigns Medicare billing to Rheumatology Treatment Centers Of America, which bills Medicare for the services this clinician delivers.

Clinician (1)

Ahmad Salah, D.O

Rheumatology

NPI 1285909481

118 E 90TH DR
Merrillville, IN 46410

(219) 736-2922

✔ PECOS✔ Accepts MedicareSame address

Source: CMS Revalidation Reassignment List, October 2026 release. Reassignment records can lag staffing changes; confirm a current affiliation with the organization.

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 Rheumatology Treatment Centers Of America's NPI number?

The NPI number for Rheumatology Treatment Centers Of America is 1568284339. It was assigned to this organization in the NPPES registry on October 31, 2024. The provider is doing business as RTC America LLC, RTC Indiana LLC and Rtca LLC.

Where is Rheumatology Treatment Centers Of America located?

Rheumatology Treatment Centers Of America is located at 118 E 90th Dr, Merrillville, IN 46410. The listed phone number is (219) 736-2922.

What is Rheumatology Treatment Centers Of America's specialty?

The primary specialty registered for this NPI is Internal Medicine, specializing in Rheumatology, with taxonomy code 207RR0500X.

Is Rheumatology Treatment Centers Of America enrolled in Medicare?

Yes. Rheumatology Treatment Centers Of America is registered in the Medicare PECOS enrollment system.

How many clinicians bill Medicare through Rheumatology Treatment Centers Of America?

According to the CMS Revalidation Reassignment List (October 2026 release), 1 clinician (Rheumatology) reassigns their Medicare billing to Rheumatology Treatment Centers Of America. A reassignment is filed with Medicare on form CMS-855R, signed by both the clinician and the organization, and lets the organization bill Medicare and receive payment for the clinician's services. Reassignment records can lag staffing changes; confirm a current affiliation with the organization.

When was this NPI record last updated?

The NPPES record for Rheumatology Treatment Centers Of America was last updated on July 8, 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.