PROFESSIONAL OPHTHALOMOLOGY GROUP LLC
NPI 1720720188
Ophthalmology in San Juan, PR

NPI Status: Active since April 07, 2022

Contact Information

708 AVE. PONCE D LEON
SUITE 202
SAN JUAN, PR
ZIP 00919
Phone: (787) 250-0812
Fax: (787) 753-2378

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  • Organization
  • Ophthalmology

About PROFESSIONAL OPHTHALOMOLOGY GROUP LLC

This page provides the complete NPI Profile along with additional information for Professional Ophthalomology Group Llc, a provider established in San Juan, Puerto Rico operating as a Ophthalmology. The healthcare provider is registered in the NPI registry with number 1720720188 assigned on April 2022. The practitioner's primary taxonomy code is 207W00000X. The provider is registered as an organization and their NPI record was last updated one year 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 Silvino Diaz Mendoza Md (Doctor)

NPI
1720720188
Provider Name
PROFESSIONAL OPHTHALOMOLOGY GROUP LLC
Entity Type
Organization
Location Address
708 AVE. PONCE D LEON SUITE 202 SAN JUAN, PR 00919
Location Phone
(787) 250-0812
Location Fax
(787) 753-2378
Mailing Address
PO BOX 21368 SAN JUAN, PR 00928
Mailing Phone
(787) 250-0812
Mailing Fax
(787) 753-2378
Is Sole Proprietor?
No
Is Organization Subpart?
No
Enumeration Date
04-07-2022
Last Update Date
10-15-2025
Code Navigator

Ophthalmologists like Professional Ophthalomology Group Llc specialize in diagnosing and treating eye conditions. They may perform surgeries to correct vision issues or prevent vision loss due to diseases like glaucoma. Additionally, they can provide eyeglasses, prescribe contact lenses, and offer other vision-related services.

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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

Ophthalmology

Taxonomy Code
207W00000X
Type
Allopathic & Osteopathic Physicians
Taxonomy Description
An ophthalmologist has the knowledge and professional skills needed to provide comprehensive eye and vision care. Ophthalmologists are medically trained to diagnose, monitor and medically or surgically treat all ocular and visual disorders. This includes problems affecting the eye and its component structures, the eyelids, the orbit and the visual pathways. In so doing, an ophthalmologist prescribes vision services, including glasses and contact lenses.

Group Taxonomy 193400000X 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

SILVINO DIAZ MENDOZA MD

Authorized Official Title
DOCTOR
Authorized Official Phone
(787) 250-0812

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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 1720720188, we treat the final digit (8) 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 52. The final step is to find the difference between that total and the next multiple of ten (60 - 52 = 8).

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

Step 2: Add all digits plus the NPI constant

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

2 + 7 + 4 + 0 + 1 + 4 + 2 + 0 + 1 + 1 + 6 + 24 = 52

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

The next multiple of ten after 52 is 60. The difference is the calculated check digit.

60 - 52 = 8
This NPI is valid
The calculated check digit is 8, which matches the last digit of 1720720188.

Frequently Asked Questions

The NPI number assigned to this healthcare provider is 1720720188, enumerated as an "organization" on April 07, 2022.

The provider is located at 708 AVE. PONCE D LEON SUITE 202 SAN JUAN, PR 00919 and the phone number is (787) 250-0812.

Ophthalmology with taxonomy code 207W00000X.