MARK R. MAHER DDS, INC.
NPI 1154576346
Clinic/Center - Dental in Walnut Creek, CA

NPI Status: Active since December 01, 2008

Contact Information

1855 SAN MIGUEL DR
SUITE 1
WALNUT CREEK, CA
ZIP 94596
Phone: (925) 935-1159
Fax: (925) 935-1146

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  • Organization
  • Clinic/Center
  • Dental

About MARK R. MAHER DDS, INC.

This page provides the complete NPI Profile along with additional information for Mark R. Maher Dds, Inc., a provider established in Walnut Creek, California operating as a Clinic/center, focusing in dental . The healthcare provider is registered in the NPI registry with number 1154576346 assigned on December 2008. The practitioner's primary taxonomy code is 261QD0000X with license number 52887 (CA). The provider is registered as an organization and their NPI record was last updated 18 years ago. The authorized official of this NPI record is Dr. Mark R Maher Dds (Owner)

NPI
1154576346
Provider Name
MARK R. MAHER DDS, INC.
Entity Type
Organization
Location Address
1855 SAN MIGUEL DR SUITE 1 WALNUT CREEK, CA 94596
Location Phone
(925) 935-1159
Location Fax
(925) 935-1146
Mailing Address
1855 SAN MIGUEL DR SUITE 1 WALNUT CREEK, CA 94596
Mailing Phone
(925) 935-1159
Mailing Fax
(925) 935-1146
Is Sole Proprietor?
No
Is Organization Subpart?
No
Enumeration Date
12-01-2008
Last Update Date
12-01-2008
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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

Clinic/Center Dental

Taxonomy Code
261QD0000X
Type
Ambulatory Health Care Facilities
License No.
52887
License State
CA

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 R MAHER DDS

Authorized Official Title
OWNER
Authorized Official Phone
(925) 935-1159

Reviews for MARK R. MAHER DDS, INC.

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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 1154576346, we treat the final digit (6) 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 54. The final step is to find the difference between that total and the next multiple of ten (60 - 54 = 6).

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
1
Unchanged
Pos 3
5
Doubled → 10 → 1 + 0
Pos 4
4
Unchanged
Pos 5
5
Doubled → 10 → 1 + 0
Pos 6
7
Unchanged
Pos 7
6
Doubled → 12 → 1 + 2
Pos 8
3
Unchanged
Pos 9
4
Doubled → 8
Check
6
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 5 → 10 → 1 5 → 10 → 1 6 → 12 → 3 4 → 8

Step 2: Add all digits plus the NPI constant

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

2 + 1 + 1 + 0 + 4 + 1 + 0 + 7 + 1 + 2 + 3 + 8 + 24 = 54

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

The next multiple of ten after 54 is 60. The difference is the calculated check digit.

60 - 54 = 6
This NPI is valid
The calculated check digit is 6, which matches the last digit of 1154576346.

Other Providers at the Same Location


The following 20 providers are registered at the same or a nearby location.

Ophthalmology
1855 SAN MIGUEL DR, #28
WALNUT CREEK, CA 94596
Dentist (General Practice)
1855 SAN MIGUEL DR, SUITE 1
WALNUT CREEK, CA 94596
Ophthalmology
1855 SAN MIGUEL DR, #28
WALNUT CREEK, CA 94596
Podiatrist (Primary Podiatric Medicine)
1855 SAN MIGUEL DR, SUITE 30
WALNUT CREEK, CA 94596
Dentist (General Practice)
1855 SAN MIGUEL DR, SUITE 20
WALNUT CREEK, CA 94596
Dentist (Orthodontics and Dentofacial Orthopedics)
1855 SAN MIGUEL DR, SUITE 22
WALNUT CREEK, CA 94596
Pediatrics
1855 SAN MIGUEL DR, SUITE 15
WALNUT CREEK, CA 94596
Dentist (General Practice)
1855 SAN MIGUEL DR, STE. 27
WALNUT CREEK, CA 94596
Dentist (General Practice)
1855 SAN MIGUEL DR, STE. 27
WALNUT CREEK, CA 94596
Dentist (Periodontics)
1855 SAN MIGUEL DR, SUITE 21
WALNUT CREEK, CA 94596
Psychologist (Clinical)
1855 SAN MIGUEL DR, SUITE 11
WALNUT CREEK, CA 94596
Dentist
1855 SAN MIGUEL DR, SUITE #16
WALNUT CREEK, CA 94596
Plastic Surgery
1855 SAN MIGUEL DR, SUITE 4
WALNUT CREEK, CA 94596
Clinical Neuropsychologist
1855 SAN MIGUEL DR, SUITE 23
WALNUT CREEK, CA 94596
Eyewear Supplier
1855 SAN MIGUEL DR, #27A
WALNUT CREEK, CA 94596
Optometrist
1855 SAN MIGUEL DR, SUITE 28
WALNUT CREEK, CA 94596
Dentist (Pediatric Dentistry)
1855 SAN MIGUEL DR, SUITE 9
WALNUT CREEK, CA 94596
Dentist
1855 SAN MIGUEL DR, SUITE 20
WALNUT CREEK, CA 94596
Dentist (Orthodontics and Dentofacial Orthopedics)
1855 SAN MIGUEL DR, #22
WALNUT CREEK, CA 94596
Dentist (General Practice)
1855 SAN MIGUEL DR, SUITE 12
WALNUT CREEK, CA 94596

Frequently Asked Questions

The NPI number assigned to this healthcare provider is 1154576346, enumerated as an "organization" on December 01, 2008.

The provider is located at 1855 SAN MIGUEL DR SUITE 1 WALNUT CREEK, CA 94596 and the phone number is (925) 935-1159.

Clinic/Center with taxonomy code 261QD0000X and a focus in Dental.