TAREK YOUSSEF MD PLLC
NPI 1821986506
Anesthesiology in Tempe, AZ

NPI Status: Active since June 24, 2025

Contact Information

4635 S LAKESHORE DR STE 131
TEMPE, AZ
ZIP 85282
Phone: (480) 414-3077
Fax: (480) 393-7444

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  • Organization
  • Anesthesiology

About TAREK YOUSSEF MD PLLC

This page provides the complete NPI Profile along with additional information for Tarek Youssef Md Pllc, an anesthesiologist established in Tempe, Arizona operating as a Anesthesiology. The healthcare provider is registered in the NPI registry with number 1821986506 assigned on June 2025. The practitioner's primary taxonomy code is 207L00000X. The provider is registered as an organization and their NPI record was last updated one year 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 Tarek H Youssef Md (Owner)

NPI
1821986506
Provider Name
TAREK YOUSSEF MD PLLC
Entity Type
Organization
Location Address
4635 S LAKESHORE DR STE 131 TEMPE, AZ 85282
Location Phone
(480) 414-3077
Location Fax
(480) 393-7444
Mailing Address
4635 S LAKESHORE DR STE 131 TEMPE, AZ 85282
Mailing Phone
(480) 414-3077
Mailing Fax
(480) 393-7444
Is Sole Proprietor?
No
Is Organization Subpart?
No
Enumeration Date
06-24-2025
Last Update Date
07-15-2025
Code Navigator

An anesthesiologist like Tarek Youssef Md Pllc manages the care of surgical patients and pain relief through drug administration that reduces or eliminates pain during an operation, medical procedure or during labor and delivery of babies. During surgical procedures anesthesiologists are responsible for adjusting the amount of anesthetic, monitoring the patient's heart rate, body temperature, blood pressure and breathing.

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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

Anesthesiology

Taxonomy Code
207L00000X
Type
Allopathic & Osteopathic Physicians
Taxonomy Description
An anesthesiologist is trained to provide pain relief and maintenance, or restoration, of a stable condition during and immediately following an operation or an obstetric or diagnostic procedure. The anesthesiologist assesses the risk of the patient undergoing surgery and optimizes the patient's condition prior to, during and after surgery. In addition to these management responsibilities, the anesthesiologist provides medical management and consultation in pain management and critical care medicine. Anesthesiologists diagnose and treat acute, long-standing and cancer pain problems; diagnose and treat patients with critical illnesses or severe injuries; direct resuscitation in the care of patients with cardiac or respiratory emergencies, including the need for artificial ventilation; and supervise post-anesthesia recovery.

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

TAREK H YOUSSEF MD

Authorized Official Title
OWNER
Authorized Official Phone
(623) 633-1009

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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 1821986506, we treat the final digit (6) 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 64. The final step is to find the difference between that total and the next multiple of ten (70 - 64 = 6).

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
8
Unchanged
Pos 3
2
Doubled → 4
Pos 4
1
Unchanged
Pos 5
9
Doubled → 18 → 1 + 8
Pos 6
8
Unchanged
Pos 7
6
Doubled → 12 → 1 + 2
Pos 8
5
Unchanged
Pos 9
0
Doubled → 0
Check
6
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 6 → 12 → 3 0 → 0

Step 2: Add all digits plus the NPI constant

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

2 + 8 + 4 + 1 + 1 + 8 + 8 + 1 + 2 + 5 + 0 + 24 = 64

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

The next multiple of ten after 64 is 70. The difference is the calculated check digit.

70 - 64 = 6
This NPI is valid
The calculated check digit is 6, which matches the last digit of 1821986506.

Other Providers at the Same Location


The following 1 provider is registered at the same or a nearby location.

Anesthesiology
4635 S LAKESHORE DR STE 131
TEMPE, AZ 85282

Frequently Asked Questions

The NPI number assigned to this healthcare provider is 1821986506, enumerated as an "organization" on June 24, 2025.

The provider is located at 4635 S LAKESHORE DR STE 131 TEMPE, AZ 85282 and the phone number is (480) 414-3077.

Anesthesiology with taxonomy code 207L00000X.