REDWOOD MEDICAL OFFICES
NPI 1023181971
Clinic/Center in Crescent City, CA

Active since November 16, 2006CLIA 05D0673664 · Waiver
1240 MARSHALL ST, CRESCENT CITY, CA 95531(707) 465-5566 Get Directions Write a Review

NPPES record last updated: June 17, 2008. Verified against the NPPES registry weekly; last sync: November 01, 2026.

About Redwood Medical Offices NPPES

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

REDWOOD MEDICAL OFFICES (NPI 1023181971) is a healthcare organization registered as a clinic/center in Crescent City, California and active in the NPI registry since November 2006. The organization holds a CLIA Waiver certificate valid through July 19, 2028 and lists Monica Arlene Sperling, Practice Manager, as its authorized official.

NPPES Registry Identity

NPI1023181971
Entity TypeOrganization
Primary Taxonomy261Q00000X
Legal Business NameKEVIN J CALDWELL MD INC
Location Address1240 MARSHALL STCrescent City, CA 95531
Mailing Address1240 Marshall StCrescent City, CA 95531 · (707) 465-5566 · Fax (707) 465-4990
Organization SubpartNo
Authorized OfficialMonica Arlene SperlingPractice Manager · (707) 465-5566
Enumeration DateNovember 16, 2006
Last NPPES UpdateJune 17, 2008
✔ NPI 1023181971 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyClinic/CenterAmbulatory Health Care Facilities
Taxonomy Code261Q00000X
License✔ Licensed in CA · G42767
Definition
A facility or distinct part of one used for the diagnosis and treatment of outpatients. Clinic/Center is irregularly defined, sometimes being limited to organizations serving specialized treatment requirements or distinct patient/client groups (e.g., radiology, poor, and public health).
1240 MARSHALL ST, Crescent City, CA 95531

Other Names 1

Doing Business AsRedwood Medical Offices

Other Identifiers 3

Medicare UPINA49108CA
Medicare UPINE08789CA
Medicare UPINE08789

Medicare Participation & PECOS CMS

Medicare enrollment and the clinicians who bill Medicare through this organization, from CMS.

Medicare Enrollment Status

✔

Enrolled in Medicare (PECOS)

Redwood Medical Offices is registered in the CMS Provider Enrollment, Chain and Ownership System (PECOS).

Clinicians Billing Medicare Through This Organization

2

Medicare enrollment records show 2 clinicians reassign Medicare billing to Redwood Medical Offices, which bills Medicare for the services they deliver. Of these, 2 practice at this address. They are listed nearest first.

Clinicians, nearest first (2)

Family Practice
NPI 1407930076
1240 MARSHALL ST
Crescent City, CA 95531
(707) 465-5566
✔ PECOS✔ Accepts MedicareSame address
Family Practice
NPI 1316928104
1240 MARSHALL ST
Crescent City, CA 95531
(707) 465-5566
✔ PECOS✔ Accepts MedicareSame address

Source: CMS Revalidation Reassignment List, October 2026 release. Reassignment records can lag staffing changes; confirm a current affiliation with the organization.

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 05D0673664

Redwood Medical Offices · Crescent City, CA
Active · expires Jul 19, 2028
CLIA Number05D0673664
Laboratory TypePhysician Office
Certificate Effective DateJuly 20, 2026
Certificate Expiration DateJuly 19, 2028
Laboratory DirectorKevin Caldwell
Laboratory Phone(707) 465-5566
Laboratory LocationRedwood Medical Offices1240 Marshall St, Crescent City, CA 95531
CLIA data matches this NPI record on: Address Name Phone
This certificate is issued to a laboratory to perform only waived tests.

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 Kevin J Caldwell MD Inc's NPI number?

The NPI number for Kevin J Caldwell MD Inc is 1023181971. It was assigned to this organization in the NPPES registry on November 16, 2006. The provider is doing business as Redwood Medical Offices.

Where is Kevin J Caldwell MD Inc located?

Kevin J Caldwell MD Inc is located at 1240 Marshall St, Crescent City, CA 95531. The listed phone number is (707) 465-5566.

What is Kevin J Caldwell MD Inc's specialty?

The primary specialty registered for this NPI is Clinic/Center with taxonomy code 261Q00000X.

Is Kevin J Caldwell MD Inc enrolled in Medicare?

Yes. Kevin J Caldwell MD Inc is registered in the Medicare PECOS enrollment system.

How many clinicians bill Medicare through Kevin J Caldwell MD Inc?

According to the CMS Revalidation Reassignment List (October 2026 release), 2 clinicians, all in Family Practice, reassign their Medicare billing to Kevin J Caldwell MD Inc. A reassignment is filed with Medicare on form CMS-855R, signed by both the clinician and the organization, and lets the organization bill Medicare and receive payment for the clinician's services. Of these, 2 practice at this address. Reassignment records can lag staffing changes; confirm a current affiliation with the organization.

Does Kevin J Caldwell MD Inc hold a CLIA laboratory certificate?

Yes. A Certificate of Waiver (number 05D0673664) is associated with this NPI, valid through July 19, 2028. CLIA certificates authorize laboratory testing under the federal Clinical Laboratory Improvement Amendments program.

When was this NPI record last updated?

The NPPES record for Kevin J Caldwell MD Inc was last updated on June 17, 2008. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 18 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.