MARK A MASSA DDS & ASSOC INC
NPI 1972658490
Dentist - General Practice in Shelby, OH

NPI Status: Active since January 24, 2007

Contact Information

100 W MAIN ST
SHELBY, OH
ZIP 44875
Phone: (419) 342-4217
Fax: (419) 342-4103

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  • Organization
  • Dentist
  • General Practice

About MARK A MASSA DDS & ASSOC INC

This page provides the complete NPI Profile along with additional information for Mark A Massa Dds & Assoc Inc, a provider established in Shelby, Ohio operating as a Dentist, focusing in general practice . The healthcare provider is registered in the NPI registry with number 1972658490 assigned on January 2007. The practitioner's primary taxonomy code is 1223G0001X with license number 19908 (OH). The provider is registered as an organization and their NPI record was last updated 6 years ago. The organization operates as a Single Specialty Group with one or more individual practitioners, all of who practice with the same area of specialization. The authorized official of this NPI record is Dr. Mark A Massa Dds (Dentist Owner)

NPI
1972658490
Provider Name
MARK A MASSA DDS & ASSOC INC
Entity Type
Organization
Location Address
100 W MAIN ST SHELBY, OH 44875
Location Phone
(419) 342-4217
Location Fax
(419) 342-4103
Mailing Address
100 W MAIN ST SHELBY, OH 44875
Mailing Phone
(419) 342-4217
Mailing Fax
(419) 342-4103
Is Sole Proprietor?
No
Is Organization Subpart?
No
Enumeration Date
01-24-2007
Last Update Date
08-22-2020
Code Navigator

A dentist like Mark A Massa Dds & Assoc Inc is a skilled in and licensed provider that diagnoses and treats problems with patients teeth, gums, and related parts of the mouth. Dentists educate patients on how to take care of the teeth and gums and provide information on diet choices that affect oral health. Dentists must be licensed in the state in which they work.

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

Dentist General Practice

Taxonomy Code
1223G0001X
Type
Dental Providers
License No.
19908
License State
OH
Taxonomy Description
A general dentist is the primary dental care provider for patients of all ages. The general dentist is responsible for the diagnosis, treatment, management and overall coordination of services related to patients' oral health needs.

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)
11223G0001XDental Providers

Dentist
General Practice

13616 (OH)

Group Taxonomy 193400000X MULTIPLE SINGLE SPECIALTY GROUP

This provdier is a business group of one or more individual practitioners, all of who practice with the same area 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

DR. MARK A MASSA DDS

Authorized Official Title
DENTIST OWNER
Authorized Official Phone
(419) 342-4217

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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 1972658490, 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 70. The final step is to find the difference between that total and the next multiple of ten (70 - 70 = 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.

Pos 1
1
Doubled → 2
Pos 2
9
Unchanged
Pos 3
7
Doubled → 14 → 1 + 4
Pos 4
2
Unchanged
Pos 5
6
Doubled → 12 → 1 + 2
Pos 6
5
Unchanged
Pos 7
8
Doubled → 16 → 1 + 6
Pos 8
4
Unchanged
Pos 9
9
Doubled → 18 → 1 + 8
Check
0
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 6 → 12 → 3 8 → 16 → 7 9 → 18 → 9

Step 2: Add all digits plus the NPI constant

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

2 + 9 + 1 + 4 + 2 + 1 + 2 + 5 + 1 + 6 + 4 + 1 + 8 + 24 = 70

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

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

70 - 70 = 0
This NPI is valid
The calculated check digit is 0, which matches the last digit of 1972658490.

Other Providers at the Same Location


The following 2 providers are registered at the same or a nearby location.

Dentist
100 W MAIN ST
SHELBY, OH 44875
Dentist (General Practice)
100 W MAIN ST
SHELBY, OH 44875

Frequently Asked Questions

The NPI number assigned to this healthcare provider is 1972658490, enumerated as an "organization" on January 24, 2007.

The provider is located at 100 W MAIN ST SHELBY, OH 44875 and the phone number is (419) 342-4217.

Dentist with taxonomy code 1223G0001X and a focus in General Practice.