RITCHKEN AND FIRST, MDS
NPI 1215078043
Non-Pharmacy Dispensing Site in San Diego, CA
NPI Status: Active since February 12, 2007
Contact Information
4282 GENESEE AVE
SUITE 103
SAN DIEGO, CA
ZIP 92117
Phone: (858) 292-0108
- Organization
- Non-Pharmacy Dispensing Site
- CLIA Number: 05D0570747
- CLIA Cert. Type: Physician Office
- CLIA Exp. Date: 03-24-2027
About RITCHKEN AND FIRST, MDS
This page provides the complete NPI Profile along with additional information for Ritchken And First, Mds, a provider established in San Diego, California operating as a Non-pharmacy Dispensing Site. The healthcare provider is registered in the NPI registry with number 1215078043 assigned on February 2007. The practitioner's primary taxonomy code is 332900000X with license number A33952 (CA). The provider is registered as an organization and their NPI record was last updated 18 years ago. The provider's is doing business as Ritchken And First, Mds. The authorized official of this NPI record is Kenny Heine (Director Of Operations)
- NPI
- 1215078043
- Provider Legal Name
- BRIAN P. FIRST, M.D., A MEDICAL CORPORATION
- Other Organization Name
- RITCHKEN AND FIRST, MDS
- Other Name Type
- Doing Business As (3)
- Entity Type
- Organization
- Location Address
- 4282 GENESEE AVE SUITE 103 SAN DIEGO, CA 92117
- Location Phone
- (858) 292-0108
- Mailing Address
- 5810 NANCY RIDGE DR SUITE 100 SAN DIEGO, CA 92121
- Is Sole Proprietor?
- No
- Is Organization Subpart?
- Yes
- Enumeration Date
- 02-12-2007
- Last Update Date
- 06-26-2008
- Code Navigator
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
Non-Pharmacy Dispensing Site
- Taxonomy Code
- 332900000X
- Type
- Suppliers
- License No.
- A33952
- License State
- CA
- Taxonomy Description
- A site other than a pharmacy that dispenses medicinal preparations under the supervision of a physician to patients for self-administration. (e.g. physician offices, ER, Urgent Care Centers, Rural Health Facilities, etc.)
CLIA Information
The Clinical Laboratory Improvement Amendments (CLIA) of 1988 applies to facilities or sites that test human specimens for health assessment or to diagnose, prevent, or treat disease. The CLIA Program sets standards for clinical laboratory testing and issues certificates. The NPI / CLIA crosswalk information for this NPI number is:
- CLIA Number
- 05D0570747
- Facility Type
- Physician Office
- Certificate Effective Date
- March 25, 2025
- Certificate Expiration Date
- March 24, 2027
- Laboratory Director
- BRIAN P. FIRST MD
- Certificate Type
- Certificate of Waiver
- Certificate Type Description
- This CLIA certificate is issued to Ritchken And First, Mds to perform only waived tests. CLIA defines waived tests as simple tests with a low risk for an incorrect result. Waived tests include certain tests listed in CLIA regulations, tests cleared by the FDA for home use and tests approved by the FDA for waived status and that meet CLIA waiver criteria.
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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 1215078043, we treat the final digit (3) 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 57. The final step is to find the difference between that total and the next multiple of ten (60 - 57 = 3).
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 57 is 60. The difference is the calculated check digit.
Other Providers at the Same Location
The following 19 providers are registered at the same or a nearby location.
SAN DIEGO, CA 92117
SAN DIEGO, CA 92117
SAN DIEGO, CA 92117
SAN DIEGO, CA 92117
SAN DIEGO, CA 92117
SAN DIEGO, CA 92117
SAN DIEGO, CA 92117
SAN DIEGO, CA 92117
SAN DIEGO, CA 92117
SAN DIEGO, CA 92117
Frequently Asked Questions
The NPI number assigned to this healthcare provider is 1215078043, enumerated as an "organization" on February 12, 2007.
The provider is located at 4282 GENESEE AVE SUITE 103 SAN DIEGO, CA 92117 and the phone number is (858) 292-0108.
Non-Pharmacy Dispensing Site with taxonomy code 332900000X.
