DR. MCKENNA ANN MEZERA PHARM D, BCSCP
NPI 1538442652
Pharmacist in St Louis, MO

NPI Status: Active since September 26, 2011

Contact Information

6400 CLAYTON RD
3RD FLOOR
ST LOUIS, MO
ZIP 63117
Phone: (314) 925-4735

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  • Individual
  • Female
  • Pharmacist

About MCKENNA MEZERA

This page provides the complete NPI Profile along with additional information for Mckenna Mezera, a provider established in St Louis, Missouri with a medical specialization in Pharmacist. The healthcare provider is registered in the NPI registry with number 1538442652 assigned on September 2011. The practitioner's primary taxonomy code is 183500000X with license number 2009016883 (MO). The provider is registered as an individual and her NPI record was last updated one year ago.

NPI
1538442652
Provider Name
DR. MCKENNA ANN MEZERA PHARM D, BCSCP
Gender
Female
Entity Type
Individual
Location Address
6400 CLAYTON RD 3RD FLOOR ST LOUIS, MO 63117
Location Phone
(314) 925-4735
Mailing Address
6400 CLAYTON RD 3RD FLOOR PHARMACY SAINT LOUIS, MO 63117
Mailing Phone
(314) 925-4735
Is Sole Proprietor?
No
Enumeration Date
09-26-2011
Last Update Date
05-07-2025
Code Navigator

A pharmacist like Mckenna Mezera fills prescription medications, verifying instructions from physicians and offers expertise in the safe use of prescriptions. Pharmacists instruct patients on how to take a prescribed medicine and educate patients about potential side effects. Pharmacists might also conduct health and wellness screenings, provide immunizations, oversee the medications given to patients, and provide advice on healthy lifestyles.

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

Pharmacist

Taxonomy Code
183500000X
Type
Pharmacy Service Providers
License No.
2009016883
License State
MO
Taxonomy Description
An individual licensed by the appropriate state regulatory agency to engage in the practice of pharmacy. The practice of pharmacy includes, but is not limited to, assessment, interpretation, evaluation, and implementation, initiation, monitoring or modification of medication and or medical orders; the compounding or dispensing of medication and or medical orders; participation in drug and device procurement, storage, and selection; drug administration; drug regimen reviews; drug or drug-related research; provision of patient education and the provision of those acts or services necessary to provide medication therapy management services in all areas of patient care.

Secondary Taxonomies

The provider has reported to the NPI enumerator additional taxonomy codes. Multiple taxonomy codes may represent subspecialties or other areas of specialization the provider maybe licensed to practice.

No. Taxonomy Code Type Classification /
Specialization
License No. (State)
11835C0207XPharmacy Service Providers

Pharmacist
Compounded Sterile Preparations

B12101664 (MO)

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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 1538442652, we treat the final digit (2) 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 68. The final step is to find the difference between that total and the next multiple of ten (70 - 68 = 2).

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
3
Doubled → 6
Pos 4
8
Unchanged
Pos 5
4
Doubled → 8
Pos 6
4
Unchanged
Pos 7
2
Doubled → 4
Pos 8
6
Unchanged
Pos 9
5
Doubled → 10 → 1 + 0
Check
2
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 3 → 6 4 → 8 2 → 4 5 → 10 → 1

Step 2: Add all digits plus the NPI constant

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

2 + 5 + 6 + 8 + 8 + 4 + 4 + 6 + 1 + 0 + 24 = 68

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

The next multiple of ten after 68 is 70. The difference is the calculated check digit.

70 - 68 = 2
This NPI is valid
The calculated check digit is 2, which matches the last digit of 1538442652.

Other Providers at the Same Location


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

Nurse Practitioner (Adult Health)
6400 CLAYTON RD, SUITE 212
SAINT LOUIS, MO 63117
Ophthalmology
6400 CLAYTON RD, STE 416
SAINT LOUIS, MO 63117
Ophthalmology
6400 CLAYTON RD, STE 416
SAINT LOUIS, MO 63117
Internal Medicine (Hematology & Oncology)
6400 CLAYTON RD, SUITE 302
SAINT LOUIS, MO 63117
Internal Medicine (Critical Care Medicine)
6400 CLAYTON RD, SUITE 316
SAINT LOUIS, MO 63117
Internal Medicine (Geriatric Medicine)
6400 CLAYTON RD, STE 107
SAINT LOUIS, MO 63117
Internal Medicine (Hematology & Oncology)
6400 CLAYTON RD, SUITE 302
SAINT LOUIS, MO 63117
Internal Medicine (Cardiovascular Disease)
6400 CLAYTON RD, SUITE 316
RICHMOND HEIGHTS, MO 63117
Ophthalmology
6400 CLAYTON RD, SUITE 416
SAINT LOUIS, MO 63117
Clinic/Center (Multi-Specialty)
6400 CLAYTON RD, SUITE 216
SAINT LOUIS, MO 63117
Dietitian, Registered
6400 CLAYTON RD
RICHMOND HEIGHTS, MO 63117
Internal Medicine (Hematology & Oncology)
6400 CLAYTON RD, STE 302
ST LOUIS, MO 63117
Podiatrist (Foot & Ankle Surgery)
6400 CLAYTON RD, STE 402
SAINT LOUIS, MO 63117
Podiatrist (Foot & Ankle Surgery)
6400 CLAYTON RD, STE 402
SAINT LOUIS, MO 63117
Physician Assistant (Medical)
6400 CLAYTON RD, STE 110
SAINT LOUIS, MO 63117
Internal Medicine
6400 CLAYTON RD, SUITE 401
SAINT LOUIS, MO 63117
Specialist
6400 CLAYTON RD, SUITE 303
SAINT LOUIS, MO 63117
Nurse Practitioner (Adult Health)
6400 CLAYTON RD, SUITE 303
SAINT LOUIS, MO 63117
Nurse Practitioner (Adult Health)
6400 CLAYTON RD
SAINT LOUIS, MO 63117
Clinic/Center
6400 CLAYTON RD, STE 303
SAINT LOUIS, MO 63117

Frequently Asked Questions

The NPI number assigned to this healthcare provider is 1538442652, enumerated as an "individual" on September 26, 2011.

The provider is located at 6400 CLAYTON RD 3RD FLOOR ST LOUIS, MO 63117 and the phone number is (314) 925-4735.

Pharmacist with taxonomy code 183500000X.