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CLAYDON MEDICAL GROUP INC
NPI 1922529031
Clinic/Center - Primary Care in Grass Valley, CA

Active since June 28, 2017CLIA 05D2152740 · Waiver
150 CATHERINE LN STE B, GRASS VALLEY, CA 95945(530) 271-2100(530) 271-2200 Get Directions Write a Review

NPPES record last updated: July 21, 2022. Verified against the NPPES registry weekly; last sync: August 02, 2026.

Record update history: Jul 21, 2022, Sep 20, 2017, Jun 28, 2017 (3 updates tracked since 2017).

About Claydon Medical Group Inc NPPES

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

CLAYDON MEDICAL GROUP INC (NPI 1922529031) is a healthcare organization registered as a primary care in Grass Valley, California and active in the NPI registry since June 2017. The organization holds a CLIA Waiver certificate valid through August 15, 2026 and lists Elizabeth M Claydon, Owner, as its authorized official.

NPPES Registry Identity

NPI1922529031
Entity TypeOrganization
Primary Taxonomy261QP2300X
Legal Business NameCLAYDON MEDICAL GROUP INC
Location Address150 CATHERINE LN STE BGrass Valley, CA 95945-5719
Mailing Address150 Catherine Ln Ste BGrass Valley, CA 95945-5719 · (530) 271-2100 · Fax (530) 271-2200
Phone(530) 271-2100
Fax(530) 271-2200
Organization SubpartNo
Authorized OfficialElizabeth M ClaydonOwner · (530) 271-2100
Enumeration DateJune 28, 2017
Last NPPES UpdateJuly 21, 20223 updates tracked since enumeration
✔ NPI 1922529031 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyClinic/Center · Primary CareAmbulatory Health Care Facilities
Taxonomy Code261QP2300X
License✔ Licensed in CA · A143525
150 CATHERINE LN STE B, Grass Valley, CA 95945
Open in Google Maps ↗

CLIA Laboratory Certificates CMS CLIA

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 05D2152740

Claydon Medical Group · Grass Valley, CA
Active · expires Aug 15, 2026
CLIA Number05D2152740
Laboratory TypePhysician Office
Certificate Effective DateAugust 16, 2024
Certificate Expiration DateAugust 15, 2026
Laboratory DirectorElizabeth Claydon
Laboratory Phone(530) 271-2100
Laboratory LocationClaydon Medical Group150 Caltherine Lane Suite B, Grass Valley, CA 95945
CLIA data matches this NPI record on: Name Phone
This certificate is issued to a laboratory to perform only waived tests.

Other Providers at the Same Location NPPES 5

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

R&R PHYSICAL MEDICINE AND REHABILITATION MEDICAL CLINIC INC
Physical Medicine & Rehabilitation (Pain Medicine)
150 CATHERINE LN STE B
GRASS VALLEY, CA 95945
Nevada County (530) 477-6222
FOOT AND ANKLE SURGEONS OF NORTHERN CALIFORNIA
Podiatrist (Foot & Ankle Surgery)
150 CATHERINE LN STE B
GRASS VALLEY, CA 95945
Nevada County (530) 271-2100
MARC TIMOTHY CLAYDON DPM
Podiatrist (Foot & Ankle Surgery)
150 CATHERINE LN STE B
GRASS VALLEY, CA 95945
Nevada County (530) 271-2100
MALIA PINAL PA-C
Physician Assistant
150 CATHERINE LN STE B
GRASS VALLEY, CA 95945
Nevada County (530) 271-2100
ELIZABETH M. CLAYDON M.D.
Family Medicine
150 CATHERINE LN STE B
GRASS VALLEY, CA 95945
Nevada County (530) 271-2100

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 Claydon Medical Group Inc's NPI number?

The NPI number for Claydon Medical Group Inc is 1922529031. It was assigned to this organization in the NPPES registry on June 28, 2017.

Where is Claydon Medical Group Inc located?

Claydon Medical Group Inc is located at 150 Catherine Ln Ste B, Grass Valley, CA 95945. The listed phone number is (530) 271-2100.

What is Claydon Medical Group Inc's specialty?

The primary specialty registered for this NPI is Clinic/Center, specializing in Primary Care, with taxonomy code 261QP2300X.

Does Claydon Medical Group Inc hold a CLIA laboratory certificate?

Yes. A Certificate of Waiver (number 05D2152740) is associated with this NPI, valid through August 15, 2026. CLIA certificates authorize laboratory testing under the federal Clinical Laboratory Improvement Amendments program.

When was this NPI record last updated?

The NPPES record for Claydon Medical Group Inc was last updated on July 21, 2022. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 4 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.