MR. RAFAEL MARROQUIN 989057
NPI 1396960134
Specialist in Riverside, CA

NPI Status: Active since April 16, 2007

Contact Information

4500 BROCKTON AVE
SUITE 317
RIVERSIDE, CA
ZIP 92501
Phone: (951) 367-2111
Fax: (951) 367-1585

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  • Individual
  • Male
  • Specialist

About RAFAEL MARROQUIN

This page provides the complete NPI Profile along with additional information for Rafael Marroquin, a provider established in Riverside, California with a medical specialization in Specialist. The healthcare provider is registered in the NPI registry with number 1396960134 assigned on April 2007. The practitioner's primary taxonomy code is 174400000X with license number 989057 (CA). The provider is registered as an individual and his NPI record was last updated 19 years ago.

NPI
1396960134
Provider Name
MR. RAFAEL MARROQUIN 989057
Gender
Male
Entity Type
Individual
Location Address
4500 BROCKTON AVE SUITE 317 RIVERSIDE, CA 92501
Location Phone
(951) 367-2111
Location Fax
(951) 367-1585
Mailing Address
11411 POPLAR ST LOMA LINDA, CA 92354
Mailing Phone
(951) 367-2111
Mailing Fax
(951) 367-1585
Is Sole Proprietor?
Yes
Enumeration Date
04-16-2007
Last Update Date
07-08-2007
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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

Specialist

Taxonomy Code
174400000X
Type
Other Service Providers
License No.
989057
License State
CA
Taxonomy Description
An individual educated and trained in an applied knowledge discipline used in the performance of work at a level requiring knowledge and skills beyond or apart from that provided by a general education or liberal arts degree.

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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 1396960134, we treat the final digit (4) 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 66. The final step is to find the difference between that total and the next multiple of ten (70 - 66 = 4).

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

Step 2: Add all digits plus the NPI constant

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

2 + 3 + 1 + 8 + 6 + 1 + 8 + 6 + 0 + 1 + 6 + 24 = 66

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

The next multiple of ten after 66 is 70. The difference is the calculated check digit.

70 - 66 = 4
This NPI is valid
The calculated check digit is 4, which matches the last digit of 1396960134.

Other Providers at the Same Location


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

Pain Medicine (Interventional Pain Medicine)
4500 BROCKTON AVE, STE 305
RIVERSIDE, CA 92501
Pain Medicine (Interventional Pain Medicine)
4500 BROCKTON AVE, STE 305
RIVERSIDE, CA 92501
Internal Medicine
4500 BROCKTON AVE, SUITE 306
RIVERSIDE, CA 92501
Radiology (Diagnostic Radiology)
4500 BROCKTON AVE, SUITE 219
RIVERSIDE, CA 92501
Radiology (Radiation Oncology)
4500 BROCKTON AVE, SUITE 101
RIVERSIDE, CA 92501
Specialist
4500 BROCKTON AVE, STE 203
RIVERSIDE, CA 92501
Surgery (Surgical Critical Care)
4500 BROCKTON AVE, 317
RIVERSIDE, CA 92501
Nurse Practitioner (Family)
4500 BROCKTON AVE, SUITE 107
RIVERSIDE, CA 92501
Radiology (Radiation Oncology)
4500 BROCKTON AVE, 101
RIVERSIDE, CA 92501
Radiology (Radiation Oncology)
4500 BROCKTON AVE, 101
RIVERSIDE, CA 92501
Radiology (Radiation Oncology)
4500 BROCKTON AVE, 101
RIVERSIDE, CA 92501
Radiology (Radiation Oncology)
4500 BROCKTON AVE, 101
RIVERSIDE, CA 92501
Clinic/Center (Ambulatory Surgical)
4500 BROCKTON AVE, L05
RIVERSIDE, CA 92501
Nurse Practitioner (Family)
4500 BROCKTON AVE, SUITE 315
RIVERSIDE, CA 92501
Obstetrics & Gynecology
4500 BROCKTON AVE, SUITE 315
RIVERSIDE, CA 92501
Clinic/Center (Ambulatory Surgical)
4500 BROCKTON AVE, SUITE 105
RIVERSIDE, CA 92501
Specialist
4500 BROCKTON AVE, SUITE 204
RIVERSIDE, CA 92501
Internal Medicine (Cardiovascular Disease)
4500 BROCKTON AVE, STE 203
RIVERSIDE, CA 92501
Urology
4500 BROCKTON AVE, SUITE 301
RIVERSIDE, CA 92501
Neurological Surgery
4500 BROCKTON AVE, STE 201
RIVERSIDE, CA 92501

Frequently Asked Questions

The NPI number assigned to this healthcare provider is 1396960134, enumerated as an "individual" on April 16, 2007.

The provider is located at 4500 BROCKTON AVE SUITE 317 RIVERSIDE, CA 92501 and the phone number is (951) 367-2111.

Specialist with taxonomy code 174400000X.