DR. TESSA GARDNER M.D.
NPI 1487781597
Pediatrics - Pediatric Infectious Diseases in Saint Louis, MO

NPI Status: Active since February 27, 2007

Contact Information

7905 BLACKBERRY AVE
SAINT LOUIS, MO
ZIP 63130
Phone: (314) 727-9101

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  • Individual
  • Female
  • Pediatrics
  • Pediatric Infectious Diseases

About TESSA GARDNER

This page provides the complete NPI Profile along with additional information for Tessa Gardner, a pediatrician established in Saint Louis, Missouri with a medical specialization in Pediatrics, focusing in pediatric infectious diseases . The healthcare provider is registered in the NPI registry with number 1487781597 assigned on February 2007. The practitioner's primary taxonomy code is 2080P0208X with license number R8414 (MO). The provider is registered as an individual and her NPI record was last updated 12 years ago.

NPI
1487781597
Provider Name
DR. TESSA GARDNER M.D.
Gender
Female
Entity Type
Individual
Location Address
7905 BLACKBERRY AVE SAINT LOUIS, MO 63130
Location Phone
(314) 727-9101
Mailing Address
PO BOX 300009 SAINT LOUIS, MO 63130
Is Sole Proprietor?
Yes
Enumeration Date
02-27-2007
Last Update Date
01-08-2014
Code Navigator

A pediatrician like Tessa Gardner is a physician who has completed a pediatric residency and is board-certified or board-eligible in a pediatric specialty. Pediatric care providers are trained to care for newborns, infants, children and adolescents. A pediatrician could perform physical exams, manage vaccinations, monitor development milestones, diagnose illnesses, infections, injuries or other health problems, 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

Pediatrics Pediatric Infectious Diseases

Taxonomy Code
2080P0208X
Type
Allopathic & Osteopathic Physicians
License No.
R8414
License State
MO
Taxonomy Description
A pediatrician trained to care for children in the diagnosis, treatment and prevention of infectious diseases. This specialist can apply specific knowledge to affect a better outcome for pediatric infections with complicated courses, underlying diseases that predispose to unusual or severe infections, unclear diagnoses, uncommon diseases and complex or investigational treatments.

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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 1487781597, 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
8
Doubled → 16 → 1 + 6
Pos 4
7
Unchanged
Pos 5
7
Doubled → 14 → 1 + 4
Pos 6
8
Unchanged
Pos 7
1
Doubled → 2
Pos 8
5
Unchanged
Pos 9
9
Doubled → 18 → 1 + 8
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 8 → 16 → 7 7 → 14 → 5 1 → 2 9 → 18 → 9

Step 2: Add all digits plus the NPI constant

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

2 + 4 + 1 + 6 + 7 + 1 + 4 + 8 + 2 + 5 + 1 + 8 + 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 1487781597.

Frequently Asked Questions

The NPI number assigned to this healthcare provider is 1487781597, enumerated as an "individual" on February 27, 2007.

The provider is located at 7905 BLACKBERRY AVE SAINT LOUIS, MO 63130 and the phone number is (314) 727-9101.

Pediatrics with taxonomy code 2080P0208X and a focus in Pediatric Infectious Diseases.