TIMOTHY JEFFRIES PHARMD
NPI 1235810698
Pharmacist in Saint Louis, MO

NPI Status: Active since July 28, 2023

Contact Information

621 S NEW BALLAS RD STE 5003B
SAINT LOUIS, MO
ZIP 63141
Phone: (314) 251-8892
Fax: (314) 251-8894

NPI Profile Information
Primary Taxonomy
Secondary Locations
Medicare Participation & PECOS Status
NPI Validation
Other Providers Same Location
Frequently Asked Questions

Individual
Male
Pharmacist
PECOS Enrolled

About TIMOTHY JEFFRIES

This page provides the complete NPI Profile along with additional information for Timothy Jeffries, a provider established in Saint Louis, Missouri with a medical specialization in Pharmacist. The healthcare provider is registered in the NPI registry with number 1235810698 assigned on July 2023. The practitioner's primary taxonomy code is 183500000X with license number 2023030690 (MO). The provider is registered as an individual and his NPI record was last updated one year ago.

NPI: 1235810698
Provider Name: TIMOTHY JEFFRIES PHARMD
Gender: Male
Entity Type: Individual
Location Address: 621 S NEW BALLAS RD STE 5003B SAINT LOUIS, MO 63141
Location Phone: (314) 251-8892
Location Fax: (314) 251-8894
Mailing Address: 621 S NEW BALLAS RD STE 5003B SAINT LOUIS, MO 63141
Mailing Phone: (314) 251-8892
Mailing Fax: (314) 251-8894
Is Sole Proprietor?: No
Enumeration Date: 07-28-2023
Last Update Date: 12-02-2025
Code Navigator

A pharmacist like Timothy Jeffries 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

Secondary Locations

621 S New Ballas Rd Ste 6005B
Saint Louis, MO 63141
(314) 251-8892

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.: 2023030690
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.

Medicare Participation & PECOS Enrollment Status

Timothy Jeffries is enrolled in PECOS and is eligible to order or refer health care services for Medicare patients. The provider is eligible to order or refer: Durable Medical Equipment (DME).

What is PECOS?
PECOS is the online Medicare enrollment management system or Provider, Enrollment, Chain and Ownership System. The PECOS system is a database of providers who have registered with CMS as providers or suppliers. PECOS is the primary source of information about verified Medicare professionals. Providers that want to participate in this program need to enroll in PECOS with their NPI number to avoid denied claims.

Is the provider registered in PECOS? Yes
Eligible to Order or Refer Part B Clinical Laboratory and Imaging: No
Eligible to Order or Refer Durable Medical Equipment (DMEPOS): Yes
Eligible to Order or Refer a Home Health Agency (HHA): No
Eligible to Order or Refer Power Mobility Devices: No

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 1235810698, we treat the final digit (8) 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 62. The final step is to find the difference between that total and the next multiple of ten (70 - 62 = 8).

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

Doubled → 2

Pos 2

Unchanged

Pos 3

Doubled → 6

Pos 4

Unchanged

Pos 5

Doubled → 16 → 1 + 6

Pos 6

Unchanged

Pos 7

Doubled → 0

Pos 8

Unchanged

Pos 9

Doubled → 18 → 1 + 8

Check

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 8 → 16 → 7 0 → 0 9 → 18 → 9

Step 2: Add all digits plus the NPI constant

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

2 + 2 + 6 + 5 + 1 + 6 + 1 + 0 + 6 + 1 + 8 + 24 = 62

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

The next multiple of ten after 62 is 70. The difference is the calculated check digit.

70 - 62 = 8

This NPI is valid

The calculated check digit is 8, which matches the last digit of 1235810698.