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

NPI Status: Active since October 31, 2024

Contact Information

118 E 90TH DR
MERRILLVILLE, IN
ZIP 46410
Phone: (219) 736-2922
Fax: (855) 820-7118

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  • Organization
  • Internal Medicine
  • Rheumatology
  • Accepts Insurance
  • CLIA Number: 15D2083222
  • CLIA Cert. Type: Physician Office
  • CLIA Exp. Date: 01-16-2027

About RHEUMATOLOGY TREATMENT CENTERS OF AMERICA

This page provides the complete NPI Profile along with additional information for Rheumatology Treatment Centers Of America, an internist established in Merrillville, Indiana operating as a Internal Medicine, focusing in rheumatology . The healthcare provider is registered in the NPI registry with number 1568284339 assigned on October 2024. The practitioner's primary taxonomy code is 207RR0500X. The provider is registered as an organization and their NPI record was last updated one year ago. The provider's . The authorized official of this NPI record is Dr. Ahmad Muhammad Salah Do (Owner)

NPI
1568284339
Provider Legal Name
RHEUMATOLOGY TREATMENT CENTERS OF AMERICA
Other Organization Name
Other Name Type
(6)
Entity Type
Organization
Location Address
118 E 90TH DR MERRILLVILLE, IN 46410
Location Phone
(219) 736-2922
Location Fax
(855) 820-7118
Mailing Address
118 E 90TH DR MERRILLVILLE, IN 46410
Mailing Phone
(219) 736-2922
Mailing Fax
(855) 820-7118
Is Sole Proprietor?
No
Is Organization Subpart?
No
Enumeration Date
10-31-2024
Last Update Date
07-08-2025
Code Navigator

An internist like Rheumatology Treatment Centers Of America is a physician who has completed an internal medicine residency and is board-certified or board-eligible in an internist specialty. Internists are trained to care for adults of all ages for many different medical conditions. An internist typically monitors chronic physical conditions, identifies acute diseases, provides family planning, provides counseling about wellness and disease prevention, etc.

Location Map

Specialty - Primary Taxonomy

The NPI enumerator requires providers to submit at least one taxonomy code. A taxonomy code is a unique 10-character code that describes the healthcare provider type, classification, and the area of specialization. There could be only one primary taxonomy code per NPI record. For individual NPIs the license data is associated to the taxonomy code.

Classification

Internal Medicine Rheumatology

Taxonomy Code
207RR0500X
Type
Allopathic & Osteopathic Physicians
Taxonomy Description
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.

Secondary Taxonomies

The provider has reported to the NPI enumerator additional taxonomy codes. Multiple taxonomy codes may represent subspecialties or other areas of specialization the provider maybe licensed to practice.

No. Taxonomy Code Type Classification /
Specialization
License No. (State)
1261QI0500XAmbulatory Health Care Facilities

Clinic/Center
Infusion Therapy

 
2332900000XSuppliers

Non-Pharmacy Dispensing Site

 

Insurance Plans Accepted

According to publicly available information the provider might be accepting the following health plans from these health insurance companies:

  • Choice Bronze HSA - HMO
  • Choice Bronze HSA + Vision + Adult Dental - HMO
  • Clear Gold - HMO
  • Clear Gold + Vision + Adult Dental - HMO
  • Complete Gold - HMO
  • Complete Gold + Vision + Adult Dental - HMO
  • Complete Silver - HMO
  • Complete Silver + Vision + Adult Dental - HMO
  • Everyday Bronze - HMO
  • Everyday Bronze + Vision + Adult Dental - HMO
  • Standard Expanded Bronze - HMO
  • Standard Expanded Bronze + Vision + Adult Dental - HMO
  • Standard Gold - HMO
  • Standard Gold + Vision + Adult Dental - HMO
  • Standard Silver - HMO
  • Standard Silver + Vision + Adult Dental - HMO
  • Clear Silver - HMO
  • Elite Gold - HMO
  • Elite Gold + Vision + Adult Dental - HMO
  • Everyday Gold - HMO
  • Everyday Gold + Vision + Adult Dental - HMO
  • Standard Gold - HMO
  • Standard Gold + Vision + Adult Dental - HMO
  • Standard Silver - HMO
  • Standard Silver + Vision + Adult Dental - HMO
  • Complete Gold - HMO
  • Complete Gold + Vision + Adult Dental - HMO
  • Elite Gold - HMO
  • Elite Gold + Vision + Adult Dental - HMO
  • Focused Silver - HMO
  • Focused Silver + Vision + Adult Dental - HMO
  • Standard Gold - HMO
  • Standard Gold + Vision + Adult Dental - HMO
  • Standard Silver - HMO
  • Standard Silver + Vision + Adult Dental - HMO

*Please verify directly with this provider to make sure your insurance plan is currently accepted.

Authorized Official

The authorized official is the designated individual with the legal authority to make changes to the provider’s official NPI record. For organizations, the authorized official must be a general partner, chairman of the board, CEO, CFO or a direct owner holding at least a 5 percent stake in the medical organization.

Authorized Official Name

DR. AHMAD MUHAMMAD SALAH DO

Authorized Official Title
OWNER
Authorized Official Phone
(219) 736-2922

CLIA Information

The Clinical Laboratory Improvement Amendments (CLIA) of 1988 applies to facilities or sites that test human specimens for health assessment or to diagnose, prevent, or treat disease. The CLIA Program sets standards for clinical laboratory testing and issues certificates. The NPI / CLIA crosswalk information for this NPI number is:

CLIA Number
15D2083222
Facility Type
Physician Office
Certificate Effective Date
January 17, 2025
Certificate Expiration Date
January 16, 2027
Laboratory Director
ERIC S. HOY
Certificate Type
Certificate of Compliance
Certificate Type Description
This CLIA certificate is issued to Rheumatology Treatment Centers Of America after an inspection that finds the laboratory to be in compliance with all applicable CLIA requirements. This type of certificate is issued to laboratories that perform nonwaived (moderate and/or high complexity) testing.

Reviews for RHEUMATOLOGY TREATMENT CENTERS OF AMERICA

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NPI NPI Number Validation

How NPI Validation Works

The NPI validation process uses the ISO-standard Luhn algorithm, a mathematical "handshake", to ensure that a provider's 10-digit ID is authentic and free of common typing errors.

To verify the NPI 1568284339, we treat the final digit (9) as the Check Digit—the target answer we need to reach. The process begins by taking the first nine digits and adding a constant value of 24, which accounts for the "80840" prefix required for all U.S. health identifiers. We then double every other digit starting from the right and sum the individual digits of those results together. For this specific NPI, that total comes to 71. The final step is to find the difference between that total and the next multiple of ten (80 - 71 = 9).

Digit-by-digit view

Use the first nine digits for the calculation. Starting from the right, double every other digit. The last digit is the check digit and is not part of the calculation.

Pos 1
1
Doubled → 2
Pos 2
5
Unchanged
Pos 3
6
Doubled → 12 → 1 + 2
Pos 4
8
Unchanged
Pos 5
2
Doubled → 4
Pos 6
8
Unchanged
Pos 7
4
Doubled → 8
Pos 8
3
Unchanged
Pos 9
3
Doubled → 6
Check
9
Target digit
Regular digit Doubled digit Check digit

Step 1: Double every other digit from the right

Starting with the rightmost digit of the first nine digits, double every other value. If doubling creates a two-digit number, add those digits together.

1 → 2 6 → 12 → 3 2 → 4 4 → 8 3 → 6

Step 2: Add all digits plus the NPI constant

Add the transformed values, the unchanged digits, and the constant 24.

2 + 5 + 1 + 2 + 8 + 4 + 8 + 8 + 3 + 6 + 24 = 71

Step 3: Find the amount needed to reach the next multiple of 10

The next multiple of ten after 71 is 80. The difference is the calculated check digit.

80 - 71 = 9
This NPI is valid
The calculated check digit is 9, which matches the last digit of 1568284339.

Other Providers at the Same Location


The following 5 providers are registered at the same or a nearby location.

Durable Medical Equipment & Medical Supplies
118 E 90TH DR
MERRILLVILLE, IN 46410
Internal Medicine (Rheumatology)
118 E 90TH DR
MERRILLVILLE, IN 46410
Nurse Practitioner
118 E 90TH DR
MERRILLVILLE, IN 46410
Nurse Practitioner
118 E 90TH DR
MERRILLVILLE, IN 46410
Non-Pharmacy Dispensing Site
118 E 90TH DR
MERRILLVILLE, IN 46410

Frequently Asked Questions

The NPI number assigned to this healthcare provider is 1568284339, enumerated as an "organization" on October 31, 2024.

The provider is located at 118 E 90TH DR MERRILLVILLE, IN 46410 and the phone number is (219) 736-2922.

Internal Medicine with taxonomy code 207RR0500X and a focus in Rheumatology.

The provider might be accepting Accepts: Ambetter from Buckeye Health Plan, Ambetter from. Please consult your insurance carrier or call the provider to verify.