CARLOS E MARIN CORTES MD LLC
NPI 1821958307
General Practice in Fajardo, PR

NPI Status: Active since November 17, 2025

Contact Information

151 AVE OSVALDO MOLINA
FAJARDO, PR
ZIP 00738
Phone: (787) 801-0081

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  • Organization
  • General Practice

About CARLOS E MARIN CORTES MD LLC

This page provides the complete NPI Profile along with additional information for Carlos E Marin Cortes Md Llc, a primary care provider established in Fajardo, Puerto Rico operating as a General Practice. The healthcare provider is registered in the NPI registry with number 1821958307 assigned on November 2025. The practitioner's primary taxonomy code is 208D00000X. 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 Mr. Carlos Ernesto Marin Cortes Md (Presidente)

NPI
1821958307
Provider Name
CARLOS E MARIN CORTES MD LLC
Entity Type
Organization
Location Address
151 AVE OSVALDO MOLINA FAJARDO, PR 00738
Location Phone
(787) 801-0081
Mailing Address
24 CAMINO DEL MONTE HUMACAO, PR 00791
Mailing Phone
(910) 337-6855
Is Sole Proprietor?
No
Is Organization Subpart?
No
Enumeration Date
11-17-2025
Last Update Date
11-17-2025
Code Navigator

A primary care provider (PCP) like Carlos E Marin Cortes Md Llc sees people with common medical problems. The primary care provider might be a doctor, physician assistant, nurse practitioner or clinic that are usually involved in your long-term care. A PCP might provide preventive care, treat common medical conditions, identify urgent medical problems and refer you to specialists when necessary. Primary care is usually provided in an outpatient facility but if you are admitted to a hospital your PCP may assist in your care. The most common medical conditions seen by primary care providers are: hypertension, upper respiratory tract infections, depression or anxiety, back pain, arthritis, dermatitis, diabetes, urinary tract infections, etc .

Location Map

Secondary Locations

  • 404 AVE GENERAL VALERO
    FAJARDO, PR 00738
    (787) 863-0505
  • 80100 CALLE FERNANDEZ JUNCOS JESUS T PINEIRO BUILDING
    CAROLINA, PR 00985
    (787) 621-3322

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

General Practice

Taxonomy Code
208D00000X
Type
Allopathic & Osteopathic Physicians
Taxonomy Description
A physician who specializes in the general practice of diagnosing, treating, and managing patients with a variety of illnesses and conditions. Source: National Uniform Claim Committee

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

MR. CARLOS ERNESTO MARIN CORTES MD

Authorized Official Title
PRESIDENTE
Authorized Official Phone
(910) 337-6855

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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 1821958307, we treat the final digit (7) 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 63. The final step is to find the difference between that total and the next multiple of ten (70 - 63 = 7).

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

Step 2: Add all digits plus the NPI constant

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

2 + 8 + 4 + 1 + 1 + 8 + 5 + 1 + 6 + 3 + 0 + 24 = 63

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

The next multiple of ten after 63 is 70. The difference is the calculated check digit.

70 - 63 = 7
This NPI is valid
The calculated check digit is 7, which matches the last digit of 1821958307.

Other Providers at the Same Location


The following 13 providers are registered at the same or a nearby location.

General Acute Care Hospital
151 AVE OSVALDO MOLINA
FAJARDO, PR 00738
Clinic/Center (Radiology)
151 AVE OSVALDO MOLINA
FAJARDO, PR 00738
Nutritionist
151 AVE OSVALDO MOLINA
FAJARDO, PR 00738
Personal Emergency Response Attendant
151 AVE OSVALDO MOLINA
FAJARDO, PR 00738
Internal Medicine
151 AVE OSVALDO MOLINA
FAJARDO, PR 00738
Pharmacy (Community/Retail Pharmacy)
151 AVE OSVALDO MOLINA
FAJARDO, PR 00738
General Practice
151 AVE OSVALDO MOLINA
FAJARDO, PR 00738
Pediatrics
151 AVE OSVALDO MOLINA
FAJARDO, PR 00738
General Practice
151 AVE OSVALDO MOLINA
FAJARDO, PR 00738
General Practice
151 AVE OSVALDO MOLINA
FAJARDO, PR 00738
Pharmacy (Community/Retail Pharmacy)
151 AVE OSVALDO MOLINA
FAJARDO, PR 00738
General Practice
151 AVE OSVALDO MOLINA, CARIBBEAN MEDICAL CENTER
FAJARDO, PR 00738
Internal Medicine (Geriatric Medicine)
151 AVE OSVALDO MOLINA, SUITE 103
FAJARDO, PR 00738

Frequently Asked Questions

The NPI number assigned to this healthcare provider is 1821958307, enumerated as an "organization" on November 17, 2025.

The provider is located at 151 AVE OSVALDO MOLINA FAJARDO, PR 00738 and the phone number is (787) 801-0081.

General Practice with taxonomy code 208D00000X.