RHEUMATOLOGY TREATMENT CENTERS OF AMERICA
NPI 1013871110
Non-Pharmacy Dispensing Site in Merrillville, IN
NPI Status: Active since December 12, 2025
Contact Information
118 E 90TH DR
MERRILLVILLE, IN
ZIP 46410
Phone: (219) 736-2922
- Organization
- Non-Pharmacy Dispensing Site
About RHEUMATOLOGY TREATMENT CENTERS OF AMERICA
This page provides the complete NPI Profile along with additional information for Rheumatology Treatment Centers Of America, a provider established in Merrillville, Indiana operating as a Non-pharmacy Dispensing Site. The healthcare provider is registered in the NPI registry with number 1013871110 assigned on December 2025. The practitioner's primary taxonomy code is 332900000X. The provider is registered as an organization and their NPI record was last updated one year ago. The authorized official of this NPI record is Dr. Ahmad Muhammad Salah Do (President)
- NPI
- 1013871110
- Provider Name
- RHEUMATOLOGY TREATMENT CENTERS OF AMERICA
- Entity Type
- Organization
- Location Address
- 118 E 90TH DR MERRILLVILLE, IN 46410
- Location Phone
- (219) 736-2922
- Mailing Address
- 118 E 90TH DR MERRILLVILLE, IN 46410
- Mailing Phone
- (219) 736-2922
- Is Sole Proprietor?
- No
- Is Organization Subpart?
- Yes
- Enumeration Date
- 12-12-2025
- Last Update Date
- 12-12-2025
- Code Navigator
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
Non-Pharmacy Dispensing Site
- Taxonomy Code
- 332900000X
- Type
- Suppliers
- Taxonomy Description
- A site other than a pharmacy that dispenses medicinal preparations under the supervision of a physician to patients for self-administration. (e.g. physician offices, ER, Urgent Care Centers, Rural Health Facilities, etc.)
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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 1013871110, we treat the final digit (0) 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 50. The final step is to find the difference between that total and the next multiple of ten (50 - 50 = 0).
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.
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.
Step 2: Add all digits plus the NPI constant
Add the transformed values, the unchanged digits, and the constant 24.
Step 3: Find the amount needed to reach the next multiple of 10
The next multiple of ten after 50 is 50. The difference is the calculated check digit.
Other Providers at the Same Location
The following 5 providers are registered at the same or a nearby location.
MERRILLVILLE, IN 46410
MERRILLVILLE, IN 46410
Frequently Asked Questions
The NPI number assigned to this healthcare provider is 1013871110, enumerated as an "organization" on December 12, 2025.
The provider is located at 118 E 90TH DR MERRILLVILLE, IN 46410 and the phone number is (219) 736-2922.
Non-Pharmacy Dispensing Site with taxonomy code 332900000X.
