GERARDO RAFAEL NATER MARTINEZ MD
NPI 1689136962
Hospitalist in San Juan, PR

NPI Status: Active since April 04, 2019

Contact Information

PASEO DR JOSE CELSO BARBOSA
SAN JUAN, PR
ZIP 00921
Phone: (787) 758-2525

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  • Individual
  • Male
  • Hospitalist

About GERARDO NATER MARTINEZ

This page provides the complete NPI Profile along with additional information for Gerardo Nater Martinez, a provider established in San Juan, Puerto Rico with a medical specialization in Hospitalist. The healthcare provider is registered in the NPI registry with number 1689136962 assigned on April 2019. The practitioner's primary taxonomy code is 208M00000X with license number 22480 (PR). The provider is registered as an individual and his NPI record was last updated 4 years ago.

NPI
1689136962
Provider Name
GERARDO RAFAEL NATER MARTINEZ MD
Gender
Male
Entity Type
Individual
Location Address
PASEO DR JOSE CELSO BARBOSA SAN JUAN, PR 00921
Location Phone
(787) 758-2525
Mailing Address
BAYSIDE COVE 105 AVE ARTERIAL HOSTOS BOX 252 SAN JUAN, PR 00918
Mailing Phone
(787) 396-6550
Is Sole Proprietor?
Yes
Enumeration Date
04-04-2019
Last Update Date
05-16-2022
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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

Hospitalist

Taxonomy Code
208M00000X
Type
Allopathic & Osteopathic Physicians
License No.
22480
License State
PR
Taxonomy Description
Hospitalists are physicians whose primary professional focus is the general medical care of hospitalized patients. Their activities include patient care, teaching, research, and leadership related to Hospital Medicine. The term 'hospitalist' refers to physicians whose practice emphasizes providing care for hospitalized patients.

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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 1689136962, we treat the final digit (2) 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 68. The final step is to find the difference between that total and the next multiple of ten (70 - 68 = 2).

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

Step 2: Add all digits plus the NPI constant

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

2 + 6 + 1 + 6 + 9 + 2 + 3 + 1 + 2 + 9 + 1 + 2 + 24 = 68

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

The next multiple of ten after 68 is 70. The difference is the calculated check digit.

70 - 68 = 2
This NPI is valid
The calculated check digit is 2, which matches the last digit of 1689136962.

Other Providers at the Same Location


The following 10 providers are registered at the same or a nearby location.

Obstetrics & Gynecology
PASEO DR JOSE CELSO BARBOSA, UPR MEDICAL SCIENCES CAMPUS
SAN JUAN, PR 00921
Student in an Organized Health Care Education/Training Program
PASEO DR JOSE CELSO BARBOSA, UNIVERSITY OF PUERTO RICO MEDICAL SCIENCES CAMPUS
SAN JUAN, PR 00921
General Practice
PASEO DR JOSE CELSO BARBOSA
SAN JUAN, PR 00921
Anesthesiology
PASEO DR JOSE CELSO BARBOSA
SAN JUAN, PR 00921
Pediatrics
PASEO DR JOSE CELSO BARBOSA
SAN JUAN, PR 00921
Internal Medicine
PASEO DR JOSE CELSO BARBOSA, HOSPITAL MUNICIPAL SAN JUAN
SAN JUAN, PR 00921
Student in an Organized Health Care Education/Training Program
PASEO DR JOSE CELSO BARBOSA
SAN JUAN, PR 00921
Student in an Organized Health Care Education/Training Program
PASEO DR JOSE CELSO BARBOSA
SAN JUAN, PR 00921
General Practice
PASEO DR JOSE CELSO BARBOSA, RECINTO DE CIENCIAS MEDICAS
SAN JUAN, PR 00921
General Practice
PASEO DR JOSE CELSO BARBOSA
SAN JUAN, PR 00921

Frequently Asked Questions

The NPI number assigned to this healthcare provider is 1689136962, enumerated as an "individual" on April 04, 2019.

The provider is located at PASEO DR JOSE CELSO BARBOSA SAN JUAN, PR 00921 and the phone number is (787) 758-2525.

Hospitalist with taxonomy code 208M00000X.