MERVYNS JANAPIN FONTILLAS
NPI 1558248310
Pharmacist in Reno, NV

NPI Status: Active since August 21, 2025

Contact Information

235 W 6TH ST
RENO, NV
ZIP 89503
Phone: (775) 770-3220

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  • Individual
  • Male
  • Pharmacist

About MERVYNS FONTILLAS

This page provides the complete NPI Profile along with additional information for Mervyns Fontillas, a provider established in Reno, Nevada with a medical specialization in Pharmacist. The healthcare provider is registered in the NPI registry with number 1558248310 assigned on August 2025. The practitioner's primary taxonomy code is 183500000X with license number PH239993 (MA). The provider is registered as an individual and his NPI record was last updated one year ago.

NPI
1558248310
Provider Name
MERVYNS JANAPIN FONTILLAS
Gender
Male
Entity Type
Individual
Location Address
235 W 6TH ST RENO, NV 89503
Location Phone
(775) 770-3220
Mailing Address
875 DAMONTE RANCH PKWY UNIT 213 RENO, NV 89521
Mailing Phone
(603) 417-1430
Is Sole Proprietor?
No
Enumeration Date
08-21-2025
Last Update Date
08-21-2025
Code Navigator

A pharmacist like Mervyns Fontillas 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.
PH239993
License State
MA
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)
1183500000XPharmacy Service Providers

Pharmacist

23811 (NV)

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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 1558248310, we treat the final digit (0) 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 60. The final step is to find the difference between that total and the next multiple of ten (60 - 60 = 0).

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
5
Doubled → 10 → 1 + 0
Pos 4
8
Unchanged
Pos 5
2
Doubled → 4
Pos 6
4
Unchanged
Pos 7
8
Doubled → 16 → 1 + 6
Pos 8
3
Unchanged
Pos 9
1
Doubled → 2
Check
0
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 5 → 10 → 1 2 → 4 8 → 16 → 7 1 → 2

Step 2: Add all digits plus the NPI constant

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

2 + 5 + 1 + 0 + 8 + 4 + 4 + 1 + 6 + 3 + 2 + 24 = 60

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

The next multiple of ten after 60 is 60. The difference is the calculated check digit.

60 - 60 = 0
This NPI is valid
The calculated check digit is 0, which matches the last digit of 1558248310.

Other Providers at the Same Location


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

Emergency Medicine
235 W 6TH ST
RENO, NV 89503
Emergency Medicine
235 W 6TH ST
RENO, NV 89503
Pediatrics
235 W 6TH ST, 2401
RENO, NV 89503
Pediatrics (Neonatal-Perinatal Medicine)
235 W 6TH ST
RENO, NV 89503
Pediatrics (Neonatal-Perinatal Medicine)
235 W 6TH ST, SUITE 2401
RENO, NV 89503
Pediatrics (Neonatal-Perinatal Medicine)
235 W 6TH ST
RENO, NV 89503
Physician Assistant
235 W 6TH ST
RENO, NV 89503
Physician Assistant
235 W 6TH ST
RENO, NV 89503
Physician Assistant
235 W 6TH ST
RENO, NV 89503
Emergency Medicine
235 W 6TH ST
RENO, NV 89503
Emergency Medicine
235 W 6TH ST
RENO, NV 89503
Physician Assistant
235 W 6TH ST
RENO, NV 89503
Emergency Medicine
235 W 6TH ST
RENO, NV 89503
Emergency Medicine
235 W 6TH ST
RENO, NV 89503
Physician Assistant
235 W 6TH ST
RENO, NV 89503
Anesthesiology
235 W 6TH ST, SAINT MARYS REGIONAL MEDICAL CENTER
RENO, NV 89503
Registered Nurse (Emergency)
235 W 6TH ST
RENO, NV 89503
Anesthesiology
235 W 6TH ST, SAINT MARY'S REGIONAL MEDICAL CENTER
RENO, NV 89503
Anesthesiology
235 W 6TH ST, SAINT MARYS REGIONAL MEDICAL CENTER
RENO, NV 89503
Registered Nurse
235 W 6TH ST
RENO, NV 89503

Frequently Asked Questions

The NPI number assigned to this healthcare provider is 1558248310, enumerated as an "individual" on August 21, 2025.

The provider is located at 235 W 6TH ST RENO, NV 89503 and the phone number is (775) 770-3220.

Pharmacist with taxonomy code 183500000X.