ALFONSO DENTAL OFFICE. P.C.
NPI 1831491745
Clinic/Center - Dental in New York, NY

NPI Status: Active since November 29, 2010

Contact Information

100-102 POST AVENUE 204TH ST
GROUND FLOOR
NEW YORK, NY
ZIP 10034
Phone: (646) 796-2727
Fax: (646) 796-2777

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  • Organization
  • Clinic/Center
  • Dental

About ALFONSO DENTAL OFFICE. P.C.

This page provides the complete NPI Profile along with additional information for Alfonso Dental Office. P.c., a provider established in New York, New York operating as a Clinic/center, focusing in dental . The healthcare provider is registered in the NPI registry with number 1831491745 assigned on November 2010. The practitioner's primary taxonomy code is 261QD0000X. The provider is registered as an organization and their NPI record was last updated 16 years ago. The authorized official of this NPI record is Dr. Carlos Alfonso D.d.s (Dentist)

NPI
1831491745
Provider Name
ALFONSO DENTAL OFFICE. P.C.
Entity Type
Organization
Location Address
100-102 POST AVENUE 204TH ST GROUND FLOOR NEW YORK, NY 10034
Location Phone
(646) 796-2727
Location Fax
(646) 796-2777
Mailing Address
100-102 POST AVENUE 204TH ST GROUND FLOOR NEW YORK, NY 10034
Mailing Phone
(646) 796-2727
Mailing Fax
(646) 796-2777
Is Sole Proprietor?
No
Is Organization Subpart?
No
Enumeration Date
11-29-2010
Last Update Date
11-29-2010
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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

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. CARLOS ALFONSO D.D.S

Authorized Official Title
DENTIST
Authorized Official Phone
(646) 796-2727

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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 1831491745, we treat the final digit (5) 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 75. The final step is to find the difference between that total and the next multiple of ten (80 - 75 = 5).

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
8
Unchanged
Pos 3
3
Doubled → 6
Pos 4
1
Unchanged
Pos 5
4
Doubled → 8
Pos 6
9
Unchanged
Pos 7
1
Doubled → 2
Pos 8
7
Unchanged
Pos 9
4
Doubled → 8
Check
5
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 3 → 6 4 → 8 1 → 2 4 → 8

Step 2: Add all digits plus the NPI constant

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

2 + 8 + 6 + 1 + 8 + 9 + 2 + 7 + 8 + 24 = 75

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

The next multiple of ten after 75 is 80. The difference is the calculated check digit.

80 - 75 = 5
This NPI is valid
The calculated check digit is 5, which matches the last digit of 1831491745.

Frequently Asked Questions

The NPI number assigned to this healthcare provider is 1831491745, enumerated as an "organization" on November 29, 2010.

The provider is located at 100-102 POST AVENUE 204TH ST GROUND FLOOR NEW YORK, NY 10034 and the phone number is (646) 796-2727.

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