GASTROENTEROLOGY MEDICAL OF LOS ANGELES INC
NPI 1528459385
Internal Medicine - Gastroenterology in Monterey Park, CA

NPI Status: Active since February 13, 2015

Contact Information

850 S ATLANTIC BLVD
SUITE 101
MONTEREY PARK, CA
ZIP 91754
Phone: (626) 284-1350
Fax: (626) 284-2454

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  • Organization
  • Internal Medicine
  • Gastroenterology
  • CLIA Number: 05D2117533
  • CLIA Cert. Type: Physician Office
  • CLIA Exp. Date: 05-24-2027

About GASTROENTEROLOGY MEDICAL OF LOS ANGELES INC

This page provides the complete NPI Profile along with additional information for Gastroenterology Medical Of Los Angeles Inc, an internist established in Monterey Park, California operating as a Internal Medicine, focusing in gastroenterology . The healthcare provider is registered in the NPI registry with number 1528459385 assigned on February 2015. The practitioner's primary taxonomy code is 207RG0100X with license number A38493 (CA). The provider is registered as an organization and their NPI record was last updated 6 years 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 Fernando Ibarra Md (Owner/president)

NPI
1528459385
Provider Name
GASTROENTEROLOGY MEDICAL OF LOS ANGELES INC
Entity Type
Organization
Location Address
850 S ATLANTIC BLVD SUITE 101 MONTEREY PARK, CA 91754
Location Phone
(626) 284-1350
Location Fax
(626) 284-2454
Mailing Address
850 S ATLANTIC BLVD SUITE 101 MONTEREY PARK, CA 91754
Mailing Phone
(626) 284-1350
Mailing Fax
(626) 284-2454
Is Sole Proprietor?
No
Is Organization Subpart?
No
Enumeration Date
02-13-2015
Last Update Date
12-07-2020
Code Navigator

An internist like Gastroenterology Medical Of Los Angeles Inc is a physician who has completed an internal medicine residency and is board-certified or board-eligible in an internist specialty. Internists are trained to care for adults of all ages for many different medical conditions. An internist typically monitors chronic physical conditions, identifies acute diseases, provides family planning, provides counseling about wellness and disease prevention, etc.

Location Map

Secondary Locations

  • 3400 E Florence Ave Ste A
    Huntington Park, CA 90255
    (626) 284-1736
  • 1828 E Cesar Chavez Ave Suite 6200
    Los Angeles, CA 90033
    (626) 284-1736

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

Internal Medicine Gastroenterology

Taxonomy Code
207RG0100X
Type
Allopathic & Osteopathic Physicians
License No.
A38493
License State
CA
Taxonomy Description
An internist who specializes in diagnosis and treatment of diseases of the digestive organs including the stomach, bowels, liver and gallbladder. This specialist treats conditions such as abdominal pain, ulcers, diarrhea, cancer and jaundice and performs complex diagnostic and therapeutic procedures using endoscopes to visualize internal organs.

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

FERNANDO IBARRA MD

Authorized Official Title
OWNER/PRESIDENT
Authorized Official Phone
(626) 284-1350

CLIA Information

The Clinical Laboratory Improvement Amendments (CLIA) of 1988 applies to facilities or sites that test human specimens for health assessment or to diagnose, prevent, or treat disease. The CLIA Program sets standards for clinical laboratory testing and issues certificates. The NPI / CLIA crosswalk information for this NPI number is:

CLIA Number
05D2117533
Facility Type
Physician Office
Certificate Effective Date
May 25, 2025
Certificate Expiration Date
May 24, 2027
Laboratory Director
SARAH K. DALEY
Certificate Type
Certificate of Compliance
Certificate Type Description
This CLIA certificate is issued to Gastroenterology Medical Of Los Angeles Inc after an inspection that finds the laboratory to be in compliance with all applicable CLIA requirements. This type of certificate is issued to laboratories that perform nonwaived (moderate and/or high complexity) testing.

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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 1528459385, 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
5
Unchanged
Pos 3
2
Doubled → 4
Pos 4
8
Unchanged
Pos 5
4
Doubled → 8
Pos 6
5
Unchanged
Pos 7
9
Doubled → 18 → 1 + 8
Pos 8
3
Unchanged
Pos 9
8
Doubled → 16 → 1 + 6
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 2 → 4 4 → 8 9 → 18 → 9 8 → 16 → 7

Step 2: Add all digits plus the NPI constant

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

2 + 5 + 4 + 8 + 8 + 5 + 1 + 8 + 3 + 1 + 6 + 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 1528459385.

Other Providers at the Same Location


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

Ophthalmology
850 S ATLANTIC BLVD, SUITE 301
MONTEREY PARK, CA 91754
Specialist
850 S ATLANTIC BLVD, SUITE 305
MONTEREY PARK, CA 91754
Clinic/Center (Ambulatory Surgical)
850 S ATLANTIC BLVD, SUITE 201
MONTEREY PARK, CA 91754
Urology
850 S ATLANTIC BLVD, #300
MONTEREY PARK, CA 91754
Nurse Anesthetist, Certified Registered
850 S ATLANTIC BLVD, STE 201
MONTEREY PARK, CA 91754
Family Medicine
850 S ATLANTIC BLVD, SUITE 102
MONTEREY PARK, CA 91754
Psychiatry & Neurology (Addiction Medicine)
850 S ATLANTIC BLVD, SUITE 103
MONTEREY PARK, CA 91754
Clinical Medical Laboratory
850 S ATLANTIC BLVD, SUITE 305
MONTEREY PARK, CA 91754
Ophthalmology
850 S ATLANTIC BLVD, SUITE 301
MONTEREY PARK, CA 91754
Nurse Practitioner (Adult Health)
850 S ATLANTIC BLVD, SUITE 305
MONTEREY PARK, CA 91754
Psychiatry & Neurology (Psychiatry)
850 S ATLANTIC BLVD, #304
MONTEREY PARK, CA 91754
Nurse Practitioner (Family)
850 S ATLANTIC BLVD, SUITE 101
MONTEREY PARK, CA 91754
Orthopaedic Surgery
850 S ATLANTIC BLVD, SUITE #201
MONTEREY PARK, CA 91754
Nurse Anesthetist, Certified Registered
850 S ATLANTIC BLVD, STE 201
MONTEREY PARK, CA 91754
Anesthesiology
850 S ATLANTIC BLVD, STE 201
MONTEREY PARK, CA 91754
General Practice
850 S ATLANTIC BLVD, STE 305
MONTEREY PARK, CA 91754
Internal Medicine (Gastroenterology)
850 S ATLANTIC BLVD, SUITE # 101
MONTEREY PARK, CA 91754
Internal Medicine (Gastroenterology)
850 S ATLANTIC BLVD, STE # 101
MONTEREY PARK, CA 91754
Ophthalmology
850 S ATLANTIC BLVD, SUITE 301
MONTEREY PARK, CA 91754
Psychiatry & Neurology (Psychiatry)
850 S ATLANTIC BLVD, #304
MONTEREY PARK, CA 91754

Frequently Asked Questions

The NPI number assigned to this healthcare provider is 1528459385, enumerated as an "organization" on February 13, 2015.

The provider is located at 850 S ATLANTIC BLVD SUITE 101 MONTEREY PARK, CA 91754 and the phone number is (626) 284-1350.

Internal Medicine with taxonomy code 207RG0100X and a focus in Gastroenterology.