ZACHARY JAMES PETROWSKI
NPI 1497698237
Student in an Organized Health Care Education/Training Program in Dallas, TX

NPI Status: Active since April 14, 2026

Contact Information

8440 WALNUT HILL LN
DALLAS, TX
ZIP 75231
Phone: (214) 978-6694

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  • Individual
  • Male
  • Student in an Organized Health Care Educ...

About ZACHARY PETROWSKI

This page provides the complete NPI Profile along with additional information for Zachary Petrowski, a primary care provider established in Dallas, Texas with a medical specialization in Student In An Organized Health Care Education/training Program. The healthcare provider is registered in the NPI registry with number 1497698237 assigned on April 2026. The practitioner's primary taxonomy code is 390200000X. The provider is registered as an individual and his NPI record was last updated April 2026.

NPI
1497698237
Provider Name
ZACHARY JAMES PETROWSKI
Gender
Male
Entity Type
Individual
Location Address
8440 WALNUT HILL LN DALLAS, TX 75231
Location Phone
(214) 978-6694
Mailing Address
515 POST OFFICE ST GALVESTON, TX 77550
Is Sole Proprietor?
No
Enumeration Date
04-14-2026
Last Update Date
04-14-2026
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A primary care provider (PCP) like Zachary Petrowski sees people with common medical problems. The primary care provider might be a doctor, physician assistant, nurse practitioner or clinic that are usually involved in your long-term care. A PCP might provide preventive care, treat common medical conditions, identify urgent medical problems and refer you to specialists when necessary. Primary care is usually provided in an outpatient facility but if you are admitted to a hospital your PCP may assist in your care. The most common medical conditions seen by primary care providers are: hypertension, upper respiratory tract infections, depression or anxiety, back pain, arthritis, dermatitis, diabetes, urinary tract infections, 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

Student in an Organized Health Care Education/Training Program

Taxonomy Code
390200000X
Type
Student, Health Care
Taxonomy Description
An individual who is enrolled in an organized health care education/training program leading to a degree, certification, registration, and/or licensure to provide health care.

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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 1497698237, we treat the final digit (7) 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 73. The final step is to find the difference between that total and the next multiple of ten (80 - 73 = 7).

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
4
Unchanged
Pos 3
9
Doubled → 18 → 1 + 8
Pos 4
7
Unchanged
Pos 5
6
Doubled → 12 → 1 + 2
Pos 6
9
Unchanged
Pos 7
8
Doubled → 16 → 1 + 6
Pos 8
2
Unchanged
Pos 9
3
Doubled → 6
Check
7
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 6 → 12 → 3 8 → 16 → 7 3 → 6

Step 2: Add all digits plus the NPI constant

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

2 + 4 + 1 + 8 + 7 + 1 + 2 + 9 + 1 + 6 + 2 + 6 + 24 = 73

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

The next multiple of ten after 73 is 80. The difference is the calculated check digit.

80 - 73 = 7
This NPI is valid
The calculated check digit is 7, which matches the last digit of 1497698237.

Other Providers at the Same Location


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

Internal Medicine (Hematology & Oncology)
8440 WALNUT HILL LN, SUITE 600
DALLAS, TX 75231
Internal Medicine (Hematology & Oncology)
8440 WALNUT HILL LN, STE 600
DALLAS, TX 75231
Specialist
8440 WALNUT HILL LN, SUITE 510
DALLAS, TX 75231
Internal Medicine
8440 WALNUT HILL LN, SUITE 410
DALLAS, TX 75231
Internal Medicine (Cardiovascular Disease)
8440 WALNUT HILL LN, SUITE 700
DALLAS, TX 75231
Orthopaedic Surgery
8440 WALNUT HILL LN, SUITE 110
DALLAS, TX 75231
Pharmacy (Community/Retail Pharmacy)
8440 WALNUT HILL LN, SUITE 600
DALLAS, TX 75231
Allergy & Immunology
8440 WALNUT HILL LN, STE 350
DALLAS, TX 75231
Family Medicine
8440 WALNUT HILL LN, STE 550
DALLAS, TX 75231
Orthopaedic Surgery
8440 WALNUT HILL LN, STE 110
DALLAS, TX 75231
Audiologist
8440 WALNUT HILL LN, SUITE 500
DALLAS, TX 75231
Nurse Practitioner (Pediatrics)
8440 WALNUT HILL LN, SUITE 540
DALLAS, TX 75231
Nurse Practitioner (Pediatrics)
8440 WALNUT HILL LN, SUITE 540
DALLAS, TX 75231
Specialist
8440 WALNUT HILL LN, SUITE 510
DALLAS, TX 75231
Internal Medicine (Rheumatology)
8440 WALNUT HILL LN, SUITE 400
DALLAS, TX 75231
Otolaryngology
8440 WALNUT HILL LN, SUITE 500
DALLAS, TX 75231
Radiology (Diagnostic Radiology)
8440 WALNUT HILL LN, SUITE 510
DALLAS, TX 75231
Orthopaedic Surgery (Foot and Ankle Surgery)
8440 WALNUT HILL LN, #110
DALLAS, TX 75231
Orthopaedic Surgery (Foot and Ankle Surgery)
8440 WALNUT HILL LN, #110
DALLAS, TX 75231
Clinic/Center (Primary Care)
8440 WALNUT HILL LN, STE 550
DALLAS, TX 75231

Frequently Asked Questions

The NPI number assigned to this healthcare provider is 1497698237, enumerated as an "individual" on April 14, 2026.

The provider is located at 8440 WALNUT HILL LN DALLAS, TX 75231 and the phone number is (214) 978-6694.

Student in an Organized Health Care Education/Training Program with taxonomy code 390200000X.