FIRSTVITALS INC
NPI 1891657854
Clinic/Center - Medical Specialty in Danville, CA
NPI Status: Active since November 28, 2025
Contact Information
2605 CAMINO TASSAJARA # 2500
DANVILLE, CA
ZIP 94526
Phone: (925) 299-8000
Fax: (925) 299-8010
- Organization
- Clinic/Center
- Medical Specialty
About FIRSTVITALS INC
This page provides the complete NPI Profile along with additional information for Firstvitals Inc, a provider established in Danville, California operating as a Clinic/center, focusing in medical specialty . The healthcare provider is registered in the NPI registry with number 1891657854 assigned on November 2025. The practitioner's primary taxonomy code is 261QM2500X. The provider is registered as an organization and their NPI record was last updated one year ago. The authorized official of this NPI record is Mr. Ernest G Lee (Ceo)
- NPI
- 1891657854
- Provider Name
- FIRSTVITALS INC
- Entity Type
- Organization
- Location Address
- 2605 CAMINO TASSAJARA # 2500 DANVILLE, CA 94526
- Location Phone
- (925) 299-8000
- Location Fax
- (925) 299-8010
- Mailing Address
- 2605 CAMINO TASSAJARA # 2500 DANVILLE, CA 94526
- Mailing Phone
- (925) 299-8000
- Mailing Fax
- (925) 299-8010
- Is Sole Proprietor?
- No
- Is Organization Subpart?
- No
- Enumeration Date
- 11-28-2025
- Last Update Date
- 11-28-2025
- 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
Clinic/Center Medical Specialty
- Taxonomy Code
- 261QM2500X
- Type
- Ambulatory Health Care Facilities
- Taxonomy Description
- An entity, facility, or distinct part of a facility providing diagnostic, treatment, and prescriptive services related to a specific area of medical specialization. Frequently used for Title V related Children's Specialty services or to meet specific public health needs (e.g., infectious diseases or breast and cervical cancer).
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) |
|---|---|---|---|---|
| 1 | 251B00000X | Agencies | Case Management | |
| 2 | 261Q00000X | Ambulatory Health Care Facilities | Clinic/Center |
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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 1891657854, we treat the final digit (4) 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 66. The final step is to find the difference between that total and the next multiple of ten (70 - 66 = 4).
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 66 is 70. The difference is the calculated check digit.
Frequently Asked Questions
The NPI number assigned to this healthcare provider is 1891657854, enumerated as an "organization" on November 28, 2025.
The provider is located at 2605 CAMINO TASSAJARA # 2500 DANVILLE, CA 94526 and the phone number is (925) 299-8000.
Clinic/Center with taxonomy code 261QM2500X and a focus in Medical Specialty.
