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

Active since March 29, 2018CLIA Certified · 5 labs
3349 G ST STE B, MERCED, CA 95340(209) 233-3715(209) 580-4953 Get Directions Write a Review

NPPES record last updated: May 19, 2021. Verified against the NPPES registry weekly; last sync: August 02, 2026.

Record update history: May 19, 2021, Nov 12, 2019, Feb 19, 2019 and 1 more (4 updates tracked since 2018).

About Valley Bone Density Center NPPES

Official registry information on file with the National Plan and Provider Enumeration System.

VALLEY BONE DENSITY CENTER (NPI 1033614193) is a healthcare organization registered as a bone densitometry in Merced, California and active in the NPI registry since March 2018. The organization holds 5 active CLIA laboratory certificates and lists Timothy Scott Johnston, Family Practice, as its authorized official.

NPPES Registry Identity

NPI1033614193
Entity TypeOrganization
Primary Taxonomy2471B0102X
Legal Business NameTIMOTHY S. JOHNSTON, M.D. PC
Location Address3349 G ST STE BMerced, CA 95340-0978
Mailing Address3349 G St Ste FMerced, CA 95340-0978 · (209) 349-8459 · Fax (209) 580-4138
Fax(209) 580-4953
Organization SubpartNo
Authorized OfficialTimothy Scott JohnstonFamily Practice · (209) 349-8459
Enumeration DateMarch 29, 2018
Last NPPES UpdateMay 19, 20214 updates tracked since enumeration
NPPES CertifiedMay 19, 2021
NPI 1033614193 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

Primary SpecialtyRadiologic Technologist · Bone DensitometryTechnologists, Technicians & Other Technical Service Providers
Taxonomy Code2471B0102X
Definition
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.
3349 G ST STE B, Merced, CA 95340

Other Names 1

Doing Business AsValley Bone Density Center

Group Practice 1

Group TaxonomyThis provdier is a business group of one or more individual practitioners, all of who practice with the same area of specialization.193400000X SINGLE SPECIALTY GROUP

CLIA Laboratory Certificates CMS CLIA 5

Laboratory certificates issued under the Clinical Laboratory Improvement Amendments (CLIA) program, which sets federal quality standards for human laboratory testing in the United States. There is no official CMS crosswalk between CLIA and NPI numbers; these certificates are associated with this NPI by matching facility names, locations and phone numbers in the CMS CLIA registry.

Certificate of Waiver 05D2289274

Timothy S Johnston MD PC · Merced, CA
Active · expires Sep 6, 2027
CLIA Number05D2289274
Laboratory TypePhysician Office
Certificate Effective DateSeptember 7, 2025
Certificate Expiration DateSeptember 6, 2027
Laboratory DirectorTimothy S. Johnston
Laboratory Phone(209) 349-8459
Laboratory LocationTimothy S Johnston MD PC3349 G St Ste B, Merced, CA 95340
CLIA data matches this NPI record on: Address Phone
This certificate is issued to a laboratory to perform only waived tests.

Certificate of Waiver 05D2133808

Timothy S. Johnston, MD PC · Merced, CA
Active · expires Jul 19, 2027
CLIA Number05D2133808
Laboratory TypePhysician Office
Certificate Effective DateJuly 20, 2025
Certificate Expiration DateJuly 19, 2027
Laboratory DirectorTimothy S. Johnston, MD
Laboratory Phone(209) 349-8459
Laboratory LocationTimothy S. Johnston, MD PC3349 G St Ste F, Merced, CA 95340
CLIA data matches this NPI record on: Address Phone
This certificate is issued to a laboratory to perform only waived tests.

Certificate of Waiver 05D2177342

Timothy S Johnston MD PC · Merced, CA
Active · expires Jan 7, 2028
CLIA Number05D2177342
Laboratory TypePhysician Office
Certificate Effective DateJanuary 8, 2026
Certificate Expiration DateJanuary 7, 2028
Laboratory DirectorTimothy S. Johnston
Laboratory Phone(209) 349-8459
Laboratory LocationTimothy S Johnston MD PC3329 G Street Suite B, Merced, CA 95340
CLIA data matches this NPI record on: Phone
This certificate is issued to a laboratory to perform only waived tests.

Certificate of Waiver 05D2316015

Timothy S Johnston MD, PC · Merced, CA
Active · expires Dec 23, 2026
CLIA Number05D2316015
Laboratory TypePhysician Office
Certificate Effective DateDecember 24, 2024
Certificate Expiration DateDecember 23, 2026
Laboratory DirectorTimothy Johnston
Laboratory Phone(209) 349-8459
Laboratory LocationTimothy S Johnston MD, PC3349 G St Ste G, Merced, CA 95340
CLIA data matches this NPI record on: Phone
This certificate is issued to a laboratory to perform only waived tests.

Certificate of Waiver 05D2269263

Timothy S Johnston MD, PC · Merced, CA
Active · expires Sep 21, 2026
CLIA Number05D2269263
Laboratory TypePhysician Office
Certificate Effective DateSeptember 22, 2024
Certificate Expiration DateSeptember 21, 2026
Laboratory DirectorTimothy S. Johnston
Laboratory Phone(209) 349-8459
Laboratory LocationTimothy S Johnston MD, PC3170 Collins Dr Ste B, Merced, CA 95348
CLIA data matches this NPI record on: Phone
This certificate is issued to a laboratory to perform only waived tests.

Other Providers at the Same Location NPPES 2

Providers registered at the same practice address, or within the immediate area, according to the NPPES registry.

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

Frequently Asked Questions NPPES & CMS

Common questions about this NPI record, answered from the official NPPES registry and CMS datasets shown on this page.

What is Timothy S. Johnston, M.D. PC's NPI number?

The NPI number for Timothy S. Johnston, M.D. PC is 1033614193. It was assigned to this organization in the NPPES registry on March 29, 2018. The provider is doing business as Valley Bone Density Center.

Where is Timothy S. Johnston, M.D. PC located?

Timothy S. Johnston, M.D. PC is located at 3349 G St Ste B, Merced, CA 95340. The listed phone number is (209) 233-3715.

What is Timothy S. Johnston, M.D. PC's specialty?

The primary specialty registered for this NPI is Radiologic Technologist, specializing in Bone Densitometry, with taxonomy code 2471B0102X.

Does Timothy S. Johnston, M.D. PC hold CLIA laboratory certificates?

Yes. 5 active CLIA laboratory certificates are associated with this NPI under the federal Clinical Laboratory Improvement Amendments program. The certificates are listed in the CLIA Laboratory Certificates section above.

When was this NPI record last updated?

The NPPES record for Timothy S. Johnston, M.D. PC was last updated on May 19, 2021. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 5 years ago. If this record has changed at CMS more recently, you can request an on-demand re-check against the live CMS registry, directly from this page.