DR. WILLIAM ZACHARY MARCUS PHARMD
NPI 1831401868
Pharmacist - Pharmacist Clinician (PhC)/ Clinical Pharmacy Specialist in Reno, NV

NPI Status: Active since July 07, 2010

Contact Information

1155 MILL ST
ATTN: PHARMACY
RENO, NV
ZIP 89502
Phone: (775) 982-4709

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  • Individual
  • Male
  • Pharmacist
  • Pharmacist Clinician (PhC)/ Clinical Pha...

About WILLIAM MARCUS

This page provides the complete NPI Profile along with additional information for William Marcus, a provider established in Reno, Nevada with a medical specialization in Pharmacist, focusing in pharmacist clinician (phc)/ clinical pharmacy specialist . The healthcare provider is registered in the NPI registry with number 1831401868 assigned on July 2010. The practitioner's primary taxonomy code is 1835P0018X with license number 16152 (NV). The provider is registered as an individual and his NPI record was last updated 16 years ago.

NPI
1831401868
Provider Name
DR. WILLIAM ZACHARY MARCUS PHARMD
Gender
Male
Entity Type
Individual
Location Address
1155 MILL ST ATTN: PHARMACY RENO, NV 89502
Location Phone
(775) 982-4709
Mailing Address
1155 MILL ST RENO, NV 89502
Mailing Phone
(775) 982-4709
Is Sole Proprietor?
No
Enumeration Date
07-07-2010
Last Update Date
07-07-2010
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A pharmacist like William Marcus 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 Pharmacist Clinician (PhC)/ Clinical Pharmacy Specialist

Taxonomy Code
1835P0018X
Type
Pharmacy Service Providers
License No.
16152
License State
NV
Taxonomy Description
Pharmacist Clinician/Clinical Pharmacy Specialist is a pharmacist with additional training and an expanded scope of practice that may include prescriptive authority, therapeutic management, and disease management.

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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 1831401868, 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
1
Doubled → 2
Pos 2
8
Unchanged
Pos 3
3
Doubled → 6
Pos 4
1
Unchanged
Pos 5
4
Doubled → 8
Pos 6
0
Unchanged
Pos 7
1
Doubled → 2
Pos 8
8
Unchanged
Pos 9
6
Doubled → 12 → 1 + 2
Check
8
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 1 → 2 6 → 12 → 3

Step 2: Add all digits plus the NPI constant

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

2 + 8 + 6 + 1 + 8 + 0 + 2 + 8 + 1 + 2 + 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 1831401868.

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RENO, NV 89502
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RENO, NV 89502
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Frequently Asked Questions

The NPI number assigned to this healthcare provider is 1831401868, enumerated as an "individual" on July 07, 2010.

The provider is located at 1155 MILL ST ATTN: PHARMACY RENO, NV 89502 and the phone number is (775) 982-4709.

Pharmacist with taxonomy code 1835P0018X and a focus in Pharmacist Clinician (PhC)/ Clinical Pharmacy Specialist.