CLINICAL RESEARCH INSTITUTE OF ARIZONA, LLC
NPI 1528912003
Internal Medicine in Sun City West, AZ

NPI Status: Active since February 23, 2026

Contact Information

14506 W GRANITE VALLEY DR
SUN CITY WEST, AZ
ZIP 85375
Phone: (623) 223-1580
Fax: (623) 399-6724

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  • Organization
  • Internal Medicine
  • CLIA Number: 03D2067785
  • CLIA Cert. Type: Physician Office
  • CLIA Exp. Date: 10-21-2027

About CLINICAL RESEARCH INSTITUTE OF ARIZONA, LLC

This page provides the complete NPI Profile along with additional information for Clinical Research Institute Of Arizona, Llc, an internist established in Sun City West, Arizona operating as a Internal Medicine. The healthcare provider is registered in the NPI registry with number 1528912003 assigned on February 2026. The practitioner's primary taxonomy code is 207R00000X. The provider is registered as an organization and their NPI record was last updated February 2026. 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 Dr. Jalal Mouhammad Abbas Md (Owner)

NPI
1528912003
Provider Name
CLINICAL RESEARCH INSTITUTE OF ARIZONA, LLC
Entity Type
Organization
Location Address
14506 W GRANITE VALLEY DR SUN CITY WEST, AZ 85375
Location Phone
(623) 223-1580
Location Fax
(623) 399-6724
Mailing Address
14506 W GRANITE VALLEY DR SUN CITY WEST, AZ 85375
Mailing Phone
(623) 223-1580
Mailing Fax
(623) 399-6724
Is Sole Proprietor?
No
Is Organization Subpart?
No
Enumeration Date
02-23-2026
Last Update Date
02-23-2026
Code Navigator

An internist like Clinical Research Institute Of Arizona, Llc 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.

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

DR. JALAL MOUHAMMAD ABBAS MD

Authorized Official Title
OWNER
Authorized Official Phone
(623) 293-1360

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
03D2067785
Facility Type
Physician Office
Certificate Effective Date
October 22, 2025
Certificate Expiration Date
October 21, 2027
Laboratory Director
JALAL ABBAS
Certificate Type
Certificate of Waiver
Certificate Type Description
This CLIA certificate is issued to Clinical Research Institute Of Arizona, Llc 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 1528912003, we treat the final digit (3) 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 57. The final step is to find the difference between that total and the next multiple of ten (60 - 57 = 3).

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

Step 2: Add all digits plus the NPI constant

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

2 + 5 + 4 + 8 + 1 + 8 + 1 + 4 + 0 + 0 + 24 = 57

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

The next multiple of ten after 57 is 60. The difference is the calculated check digit.

60 - 57 = 3
This NPI is valid
The calculated check digit is 3, which matches the last digit of 1528912003.

Other Providers at the Same Location


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

Physical Therapist
14506 W GRANITE VALLEY DR, #205
SUN CITY WEST, AZ 85375
Orthopaedic Surgery
14506 W GRANITE VALLEY DR, #205
SUN CITY WEST, AZ 85375
Physical Medicine & Rehabilitation
14506 W GRANITE VALLEY DR, #205
SUN CITY WEST, AZ 85375
Durable Medical Equipment & Medical Supplies
14506 W GRANITE VALLEY DR, # 100
SUN CITY WEST, AZ 85375
Ophthalmology
14506 W GRANITE VALLEY DR, SUITE 117
SUN CITY WEST, AZ 85375
Psychiatry & Neurology (Psychiatry)
14506 W GRANITE VALLEY DR, STE 221
SUN CITY WEST, AZ 85375
Radiologic Technologist
14506 W GRANITE VALLEY DR, SUITE 205
SUN CITY WEST, AZ 85375
Pediatrics
14506 W GRANITE VALLEY DR, SUITE 220
SUN CITY WEST, AZ 85375
Durable Medical Equipment & Medical Supplies
14506 W GRANITE VALLEY DR, #100
SUN CITY WEST, AZ 85375
Anesthesiology
14506 W GRANITE VALLEY DR, SUITE 117
SUN CITY WEST, AZ 85375
Counselor (Mental Health)
14506 W GRANITE VALLEY DR, SUITE #108
SUN CITY WEST, AZ 85375
Internal Medicine
14506 W GRANITE VALLEY DR, SUITE 225
SUN CITY WEST, AZ 85375
Internal Medicine
14506 W GRANITE VALLEY DR, STE 225
SUN CITY WEST, AZ 85375
Counselor (Mental Health)
14506 W GRANITE VALLEY DR, SUITE 108
SUN CITY WEST, AZ 85375
Internal Medicine
14506 W GRANITE VALLEY DR, #217
SUN CITY WEST, AZ 85375
Dermatology
14506 W GRANITE VALLEY DR, 124
SUN CITY WEST, AZ 85375
Dermatology
14506 W GRANITE VALLEY DR, 124
SUN CITY WEST, AZ 85375
Dermatology
14506 W GRANITE VALLEY DR, 124
SUN CITY WEST, AZ 85375
Surgery
14506 W GRANITE VALLEY DR, SUITE 101
SUN CITY WEST, AZ 85375
Psychiatry & Neurology (Psychiatry)
14506 W GRANITE VALLEY DR, STE 108
SUN CITY WEST, AZ 85375

Frequently Asked Questions

The NPI number assigned to this healthcare provider is 1528912003, enumerated as an "organization" on February 23, 2026.

The provider is located at 14506 W GRANITE VALLEY DR SUN CITY WEST, AZ 85375 and the phone number is (623) 223-1580.

Internal Medicine with taxonomy code 207R00000X.