SANDRA VALDEZ RN
NPI 1538088745
Family Medicine - Adult Medicine in Chicago, IL
NPI Status: Active since July 13, 2026
Contact Information
1520 W HARRISON ST
CHICAGO, IL
ZIP 60607
Phone: (312) 563-3906
Fax: (312) 563-3945
This NPI profile has been added to the NPI registry within the last 30 days.
NPPES record last updated: July 13, 2026. Verified against the NPPES registry weekly; last sync: July 19, 2026.
- Individual
- Female
- Family Medicine
- Adult Medicine
About SANDRA VALDEZ
This page provides the complete NPI Profile along with additional information for Sandra Valdez, a primary care provider established in Chicago, Illinois with a medical specialization in Family Medicine, focusing in adult medicine . The healthcare provider is registered in the NPI registry with number 1538088745 assigned on July 2026. The practitioner's primary taxonomy code is 207QA0505X with license number 041433491 (IL). The provider is registered as an individual and her NPI record was last updated July 2026.
- NPI
- 1538088745
- Provider Name
- SANDRA VALDEZ RN
- Gender
- Female
- Entity Type
- Individual
- Location Address
- 1520 W HARRISON ST CHICAGO, IL 60607
- Location Phone
- (312) 563-3906
- Location Fax
- (312) 563-3945
- Mailing Address
- 8611 PATRICIA DR LYONS, IL 60534
- Mailing Phone
- (312) 563-3906
- Mailing Fax
- (312) 563-3945
- Is Sole Proprietor?
- Yes
- Enumeration Date
- 07-13-2026
- Last Update Date
- 07-13-2026
- Code Navigator
A primary care provider (PCP) like Sandra Valdez 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
Family Medicine Adult Medicine
- Taxonomy Code
- 207QA0505X
- Type
- Allopathic & Osteopathic Physicians
- License No.
- 041433491
- License State
- IL
- Taxonomy Description
- The National Uniform Claim Committee (NUCC) recommends code 207QA0505X not be used. Choose a more appropriate code.
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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 1538088745, 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.
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.
Step 2: Add all digits plus the NPI constant
Add the transformed values, the unchanged digits, and the constant 24.
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.
Other Providers at the Same Location
The following 20 providers are registered at the same or a nearby location.
CHICAGO, IL 60607
CHICAGO, IL 60607
CHICAGO, IL 60607
Frequently Asked Questions
The NPI number assigned to this healthcare provider is 1538088745, enumerated as an "individual" on July 13, 2026.
The provider is located at 1520 W HARRISON ST CHICAGO, IL 60607 and the phone number is (312) 563-3906.
Family Medicine with taxonomy code 207QA0505X and a focus in Adult Medicine.
