RIA HEALTH PC
NPI 1073459574
Preventive Medicine - Addiction Medicine in Greenville, SC

NPI Status: Active since April 27, 2026

Contact Information

17 E STONE AVE
GREENVILLE, SC
ZIP 29609
Phone: (800) 504-5360
Fax: (415) 558-1764

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  • Organization
  • Preventive Medicine
  • Addiction Medicine

About RIA HEALTH PC

This page provides the complete NPI Profile along with additional information for Ria Health Pc, a provider established in Greenville, South Carolina operating as a Preventive Medicine, focusing in addiction medicine . The healthcare provider is registered in the NPI registry with number 1073459574 assigned on April 2026. The practitioner's primary taxonomy code is 2083A0300X. The provider is registered as an organization and their NPI record was last updated April 2026. Ria Health Pc operates as a Multi-Specialty Group with one or more individual practitioners, who practice different areas of specialization. The authorized official of this NPI record is John Edward Mendelson Md (President)

NPI
1073459574
Provider Name
RIA HEALTH PC
Entity Type
Organization
Location Address
17 E STONE AVE GREENVILLE, SC 29609
Location Phone
(800) 504-5360
Location Fax
(415) 558-1764
Mailing Address
1390 MARKET ST STE 200 SAN FRANCISCO, CA 94102
Mailing Phone
(800) 504-5360
Mailing Fax
(415) 558-1764
Is Sole Proprietor?
No
Is Organization Subpart?
Yes
Enumeration Date
04-27-2026
Last Update Date
04-27-2026
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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

Preventive Medicine Addiction Medicine

Taxonomy Code
2083A0300X
Type
Allopathic & Osteopathic Physicians
Taxonomy Description
A physician engaged in the subspecialty practice of Addiction Medicine who specializes in the prevention, evaluation, diagnosis, treatment, and recovery of persons with the disease of addiction.

Group Taxonomy 193200000X MULTI-SPECIALTY GROUP

This provider is a business group of one or more individual practitioners, who practice with different areas of specialization.

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

JOHN EDWARD MENDELSON MD

Authorized Official Title
PRESIDENT
Authorized Official Phone
(415) 652-1167

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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 1073459574, we treat the final digit (4) 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 66. The final step is to find the difference between that total and the next multiple of ten (70 - 66 = 4).

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
0
Unchanged
Pos 3
7
Doubled → 14 → 1 + 4
Pos 4
3
Unchanged
Pos 5
4
Doubled → 8
Pos 6
5
Unchanged
Pos 7
9
Doubled → 18 → 1 + 8
Pos 8
5
Unchanged
Pos 9
7
Doubled → 14 → 1 + 4
Check
4
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 7 → 14 → 5 4 → 8 9 → 18 → 9 7 → 14 → 5

Step 2: Add all digits plus the NPI constant

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

2 + 0 + 1 + 4 + 3 + 8 + 5 + 1 + 8 + 5 + 1 + 4 + 24 = 66

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

The next multiple of ten after 66 is 70. The difference is the calculated check digit.

70 - 66 = 4
This NPI is valid
The calculated check digit is 4, which matches the last digit of 1073459574.

Frequently Asked Questions

The NPI number assigned to this healthcare provider is 1073459574, enumerated as an "organization" on April 27, 2026.

The provider is located at 17 E STONE AVE GREENVILLE, SC 29609 and the phone number is (800) 504-5360.

Preventive Medicine with taxonomy code 2083A0300X and a focus in Addiction Medicine.