DR. RICHARD ALLEN CAO PHARMD
NPI 1558231175
Pharmacist - Ambulatory Care in Gardnerville, NV
NPI Status: Active since November 08, 2025
Contact Information
1559 WATASHEAMU RD
GARDNERVILLE, NV
ZIP 89460
Phone: (775) 265-8622
NPPES record last updated: November 8, 2025. Verified against the NPPES registry weekly; last sync: July 12, 2026.
- Individual
- Male
- Pharmacist
- Ambulatory Care
About RICHARD CAO
This page provides the complete NPI Profile along with additional information for Richard Cao, a provider established in Gardnerville, Nevada with a medical specialization in Pharmacist, focusing in ambulatory care . The healthcare provider is registered in the NPI registry with number 1558231175 assigned on November 2025. The practitioner's primary taxonomy code is 1835P2201X with license number 18845 (NV). The provider is registered as an individual and his NPI record was last updated one year ago.
- NPI
- 1558231175
- Provider Name
- DR. RICHARD ALLEN CAO PHARMD
- Gender
- Male
- Entity Type
- Individual
- Location Address
- 1559 WATASHEAMU RD GARDNERVILLE, NV 89460
- Location Phone
- (775) 265-8622
- Mailing Address
- 2905 W PLUMB LN RENO, NV 89509
- Mailing Phone
- (775) 303-4283
- Mailing Fax
- (775) 303-4283
- Is Sole Proprietor?
- No
- Enumeration Date
- 11-08-2025
- Last Update Date
- 11-08-2025
- Code Navigator
A pharmacist like Richard Cao 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 Ambulatory Care
- Taxonomy Code
- 1835P2201X
- Type
- Pharmacy Service Providers
- License No.
- 18845
- License State
- NV
- Taxonomy Description
- A licensed pharmacist who has demonstrated specialized knowledge and skill in the provision of integrated, accessible health care services by pharmacists and is accountable for addressing medication needs, developing sustained partnerships with patients, and practicing in the context of family and community.
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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 1558231175, we treat the final digit (5) 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 55. The final step is to find the difference between that total and the next multiple of ten (60 - 55 = 5).
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.
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.
Step 2: Add all digits plus the NPI constant
Add the transformed values, the unchanged digits, and the constant 24.
Step 3: Find the amount needed to reach the next multiple of 10
The next multiple of ten after 55 is 60. The difference is the calculated check digit.
Other Providers at the Same Location
The following 20 providers are registered at the same or a nearby location.
GARDNERVILLE, NV 89460
GARDNERVILLE, NV 89460
GARDNERVILLE, NV 89460
GARDNERVILLE, NV 89460
Frequently Asked Questions
The NPI number assigned to this healthcare provider is 1558231175, enumerated as an "individual" on November 08, 2025.
The provider is located at 1559 WATASHEAMU RD GARDNERVILLE, NV 89460 and the phone number is (775) 265-8622.
Pharmacist with taxonomy code 1835P2201X and a focus in Ambulatory Care.
