TUSTIN IRVINE INTERNAL MEDICINE GROUP INC.
NPI 1689633125
Internal Medicine in Tustin, CA

NPI Status: Active since March 22, 2006

Contact Information

17400 IRVINE BLVD
SUITE F
TUSTIN, CA
ZIP 92780
Phone: (714) 838-5610
Fax: (714) 838-5931

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  • Organization
  • Internal Medicine
  • CLIA Number: 05D0579825
  • CLIA Cert. Type: Physician Office
  • CLIA Exp. Date: 12-15-2027

About TUSTIN IRVINE INTERNAL MEDICINE GROUP INC.

This page provides the complete NPI Profile along with additional information for Tustin Irvine Internal Medicine Group Inc., an internist established in Tustin, California operating as a Internal Medicine. The healthcare provider is registered in the NPI registry with number 1689633125 assigned on March 2006. The practitioner's primary taxonomy code is 207R00000X. The provider is registered as an organization and their NPI record was last updated 15 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 Mr. Mario S Ficarola M.d. (President)

NPI
1689633125
Provider Name
TUSTIN IRVINE INTERNAL MEDICINE GROUP INC.
Entity Type
Organization
Location Address
17400 IRVINE BLVD SUITE F TUSTIN, CA 92780
Location Phone
(714) 838-5610
Location Fax
(714) 838-5931
Mailing Address
17400 IRVINE BLVD SUITE F TUSTIN, CA 92780
Mailing Phone
(714) 838-5610
Mailing Fax
(714) 838-5931
Is Sole Proprietor?
No
Is Organization Subpart?
No
Enumeration Date
03-22-2006
Last Update Date
06-10-2011
Code Navigator

An internist like Tustin Irvine Internal Medicine Group 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

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

Taxonomy Code
207R00000X
Type
Allopathic & Osteopathic Physicians
Taxonomy Description
A physician who provides long-term, comprehensive care in the office and the hospital, managing both common and complex illness of adolescents, adults and the elderly. Internists are trained in the diagnosis and treatment of cancer, infections and diseases affecting the heart, blood, kidneys, joints and digestive, respiratory and vascular systems. They are also trained in the essentials of primary care internal medicine, which incorporates an understanding of disease prevention, wellness, substance abuse, mental health and effective treatment of common problems of the eyes, ears, skin, nervous system and reproductive 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.

Insurance Plans Accepted

According to publicly available information the provider might be accepting the following health plans from these health insurance companies:

Specific plan information not avaialable, please contact the provider to verify if your insurance plan is accepted.

Specific plan information not avaialable, please contact the provider to verify if your insurance plan is accepted.

Specific plan information not avaialable, please contact the provider to verify if your insurance plan is accepted.

*Please verify directly with this provider to make sure your insurance plan is currently accepted.

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. MARIO S FICAROLA M.D.

Authorized Official Title
PRESIDENT
Authorized Official Phone
(714) 838-5610

Additional Identifiers

The NPI Enumerator encourages providers to submit additional identifiers with their NPI application although the submission of this information is optional. The additional identifier(s) section includes other numbers or codes currently or formerly used as an identifier for the provider by other public healthcare entities. The identifiers may include UPIN, NSC, OSCAR, DEA, Medicaid State or PIN identification numbers.

Identifier Type / Code Identifier State Identifier Issuer
A 22336MEDICARE UPIN (02)CA 
WA81987CMEDICARE PIN (08)CA 
WG14371AMEDICARE PIN (08)CA 
G58721MEDICARE UPIN (02)CA 
A 39242MEDICARE UPIN (02)CA 
W 1779MEDICARE PIN (08)CA 
YYY 42455 YOTHER (01)CABLUE SHIELD
WA61483DMEDICARE PIN (08)CA 
I 13910MEDICARE UPIN (02)CA 
A 47465MEDICARE UPIN (02)CA 
WG38399AMEDICARE PIN (08)CA 
WG56794AMEDICARE PIN (08)CA 
YYY 42455 YMEDICAID (05)CA 
1962544494OTHER (01)CANPI
E 88030MEDICARE UPIN (02)CA 
I 59444MEDICARE UPIN (02)CA 
WA91056AMEDICARE PIN (08)CA 

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
05D0579825
Facility Type
Physician Office
Certificate Effective Date
December 16, 2025
Certificate Expiration Date
December 15, 2027
Laboratory Director
MARIO S. FICAROLA MD
Certificate Type
Certificate of Waiver
Certificate Type Description
This CLIA certificate is issued to Tustin Irvine Internal Medicine Group Inc. to perform only waived tests. CLIA defines waived tests as simple tests with a low risk for an incorrect result. Waived tests include certain tests listed in CLIA regulations, tests cleared by the FDA for home use and tests approved by the FDA for waived status and that meet CLIA waiver criteria.

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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 1689633125, 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 65. The final step is to find the difference between that total and the next multiple of ten (70 - 65 = 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
6
Unchanged
Pos 3
8
Doubled → 16 → 1 + 6
Pos 4
9
Unchanged
Pos 5
6
Doubled → 12 → 1 + 2
Pos 6
3
Unchanged
Pos 7
3
Doubled → 6
Pos 8
1
Unchanged
Pos 9
2
Doubled → 4
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 8 → 16 → 7 6 → 12 → 3 3 → 6 2 → 4

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 + 1 + 2 + 3 + 6 + 1 + 4 + 24 = 65

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

The next multiple of ten after 65 is 70. The difference is the calculated check digit.

70 - 65 = 5
This NPI is valid
The calculated check digit is 5, which matches the last digit of 1689633125.

Other Providers at the Same Location


The following 18 providers are registered at the same or a nearby location.

Legal Medicine
17400 IRVINE BLVD, SUITE N
TUSTIN, CA 92780
Podiatrist
17400 IRVINE BLVD, SUITE H
TUSTIN, CA 92780
Internal Medicine
17400 IRVINE BLVD, SUITE F
TUSTIN, CA 92780
Internal Medicine
17400 IRVINE BLVD, SUITE F
TUSTIN, CA 92780
Internal Medicine
17400 IRVINE BLVD, SUITE F
TUSTIN, CA 92780
Podiatrist
17400 IRVINE BLVD, SUITE H
TUSTIN, CA 92780
Podiatrist
17400 IRVINE BLVD, SUITE H
TUSTIN, CA 92780
Specialist
17400 IRVINE BLVD, SUITE M
TUSTIN, CA 92780
Speech-Language Pathologist
17400 IRVINE BLVD, SUITE K
TUSTIN, CA 92780
Internal Medicine
17400 IRVINE BLVD, SUITE F
TUSTIN, CA 92780
Chiropractor
17400 IRVINE BLVD, SUITE L
TUSTIN, CA 92780
Neuromusculoskeletal Medicine, Sports Medicine
17400 IRVINE BLVD, SUITE L
TUSTIN, CA 92780
Dentist
17400 IRVINE BLVD, SUITE A
TUSTIN, CA 92780
Podiatrist (Foot & Ankle Surgery)
17400 IRVINE BLVD, SUITE J
TUSTIN, CA 92780
Podiatrist
17400 IRVINE BLVD, SUITE H
TUSTIN, CA 92780
Dentist (General Practice)
17400 IRVINE BLVD, SUITE D
TUSTIN, CA 92780
Dentist (General Practice)
17400 IRVINE BLVD, SUITE G
TUSTIN, CA 92780
Internal Medicine
17400 IRVINE BLVD, SUITE F
TUSTIN, CA 92780

Frequently Asked Questions

The NPI number assigned to this healthcare provider is 1689633125, enumerated as an "organization" on March 22, 2006.

The provider is located at 17400 IRVINE BLVD SUITE F TUSTIN, CA 92780 and the phone number is (714) 838-5610.

Internal Medicine with taxonomy code 207R00000X.

The provider might be accepting Accepts: Medicare, Medicaid and Blue Cross Blue Shield. Please consult your insurance carrier or call the provider to verify.