VALLEY BONE DENSITY CENTER
NPI 1033614193
Radiologic Technologist - Bone Densitometry in Merced, CA

NPI Status: Active since March 29, 2018

Contact Information

3349 G ST STE B
MERCED, CA
ZIP 95340
Phone: (209) 233-3715
Fax: (209) 580-4953

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  • Organization
  • Radiologic Technologist
  • Bone Densitometry
  • CLIA Number: 05D2177342
  • CLIA Cert. Type: Physician Office
  • CLIA Exp. Date: 01-07-2028

About VALLEY BONE DENSITY CENTER

This page provides the complete NPI Profile along with additional information for Valley Bone Density Center, a provider established in Merced, California operating as a Radiologic Technologist, focusing in bone densitometry . The healthcare provider is registered in the NPI registry with number 1033614193 assigned on March 2018. The practitioner's primary taxonomy code is 2471B0102X. The provider is registered as an organization and their NPI record was last updated 5 years ago. The organization operates as a Single Specialty Group with one or more individual practitioners, all of who practice with the same area of specialization. The provider's is doing business as Valley Bone Density Center. The authorized official of this NPI record is Timothy Scott Johnston Md (Family Practice)

NPI
1033614193
Provider Legal Name
TIMOTHY S. JOHNSTON, M.D. PC
Other Organization Name
VALLEY BONE DENSITY CENTER
Other Name Type
Doing Business As (3)
Entity Type
Organization
Location Address
3349 G ST STE B MERCED, CA 95340
Location Phone
(209) 233-3715
Location Fax
(209) 580-4953
Mailing Address
3349 G ST STE F MERCED, CA 95340
Mailing Phone
(209) 349-8459
Mailing Fax
(209) 580-4953
Is Sole Proprietor?
No
Is Organization Subpart?
No
Enumeration Date
03-29-2018
Last Update Date
05-19-2021
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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

Radiologic Technologist Bone Densitometry

Taxonomy Code
2471B0102X
Type
Technologists, Technicians & Other Technical Service Providers
Taxonomy Description
A radiologic technologist who specializes in bone densitometry and is appropriately educated and trained, consistent with nationally recognized standards, state statute, and facility policy, in performance of bone density imaging, exam techniques, equipment protocols, radiation safety, and patient care.

Group Taxonomy 193400000X SINGLE SPECIALTY GROUP

This provdier is a business group of one or more individual practitioners, all of who practice with the same area of specialization.

Authorized Official

The authorized official is the designated individual with the legal authority to make changes to the provider’s official NPI record. For organizations, the authorized official must be a general partner, chairman of the board, CEO, CFO or a direct owner holding at least a 5 percent stake in the medical organization.

Authorized Official Name

TIMOTHY SCOTT JOHNSTON MD

Authorized Official Title
FAMILY PRACTICE
Authorized Official Phone
(209) 349-8459

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
05D2177342
Facility Type
Physician Office
Certificate Effective Date
January 08, 2026
Certificate Expiration Date
January 07, 2028
Laboratory Director
TIMOTHY S. JOHNSTON
Certificate Type
Certificate of Waiver
Certificate Type Description
This CLIA certificate is issued to Valley Bone Density Center 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 1033614193, 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.

Pos 1
1
Doubled → 2
Pos 2
0
Unchanged
Pos 3
3
Doubled → 6
Pos 4
3
Unchanged
Pos 5
6
Doubled → 12 → 1 + 2
Pos 6
1
Unchanged
Pos 7
4
Doubled → 8
Pos 8
1
Unchanged
Pos 9
9
Doubled → 18 → 1 + 8
Check
3
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 6 → 12 → 3 4 → 8 9 → 18 → 9

Step 2: Add all digits plus the NPI constant

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

2 + 0 + 6 + 3 + 1 + 2 + 1 + 8 + 1 + 1 + 8 + 24 = 57

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.

60 - 57 = 3
This NPI is valid
The calculated check digit is 3, which matches the last digit of 1033614193.

Other Providers at the Same Location


The following 2 providers are registered at the same or a nearby location.

Obstetrics & Gynecology (Gynecology)
3349 G ST STE B
MERCED, CA 95340
Obstetrics & Gynecology
3349 G ST STE B
MERCED, CA 95340

Frequently Asked Questions

The NPI number assigned to this healthcare provider is 1033614193, enumerated as an "organization" on March 29, 2018.

The provider is located at 3349 G ST STE B MERCED, CA 95340 and the phone number is (209) 233-3715.

Radiologic Technologist with taxonomy code 2471B0102X and a focus in Bone Densitometry.