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CEDAR MEDICAL CLINIC
NPI 1548278534
Internal Medicine in Santa Cruz, CA

Active since August 04, 2006CLIA 05D0716161 · Waiver
1595 SOQUEL DR STE 340, SANTA CRUZ, CA 95065(831) 425-1279(831) 425-3500 Get Directions Write a Review

NPPES record last updated: July 11, 2019. Verified against the NPPES registry weekly; last sync: November 08, 2026.

About Cedar Medical Clinic NPPES

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

CEDAR MEDICAL CLINIC (NPI 1548278534) is a healthcare organization registered as an internal medicine in Santa Cruz, California and active in the NPI registry since August 2006. The organization holds a CLIA Waiver certificate valid through July 2, 2027 and lists Karl Knudsen Johsen, Physician President, as its authorized official.

NPPES Registry Identity

NPI1548278534
Entity TypeOrganization
Primary Taxonomy207R00000X
Legal Business NameKARL JOHSENS MD & DRUSILLA LDH LEE MD INC
Location Address1595 SOQUEL DR STE 340Santa Cruz, CA 95065-1722
Mailing Address1595 Soquel Dr Ste 340Santa Cruz, CA 95065-1722 · (831) 425-1279 · Fax (831) 425-3500
Phone(831) 425-1279
Fax(831) 425-3500
Organization SubpartNo
Authorized OfficialKarl Knudsen JohsenPhysician President · (831) 425-1279
Enumeration DateAugust 4, 2006
Last NPPES UpdateJuly 11, 2019
✔ NPI 1548278534 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyInternal MedicineAllopathic & Osteopathic Physicians
Taxonomy Code207R00000X
License✔ Licensed in CA · G084030
Definition
A physician who provides long-term, comprehensive care in the office and the hospital, managing both common and complex illness of adolescents, adults and the elderly. Internists are trained in the diagnosis and treatment of cancer, infections and diseases affecting the heart, blood, kidneys, joints and digestive, respiratory and vascular systems. They are also trained in the essentials of primary care internal medicine, which incorporates an understanding of disease prevention, wellness, substance abuse, mental health and effective treatment of common problems of the eyes, ears, skin, nervous system and reproductive organs.
1595 SOQUEL DR STE 340, Santa Cruz, CA 95065
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Other Names 1

Doing Business AsCedar Medical Clinic

Other Identifiers 8

Medicaid00G840300CA
Other00G840300Blue Shield
Other610730500Us Dept Of Labor Office O
OtherCH1649Group Medicare Railroad
MedicaidGR0090740CA
Other110208332Medicare Railroad
OtherG054030CA · Blue Cross
OtherZZZ62382ZGroup Blue Shield Cedar M

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

Medicare Participation & PECOS CMS

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

Medicare Enrollment Status

✔

Enrolled in Medicare (PECOS)

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

Clinicians Billing Medicare Through This Organization

Medicare enrollment records show 1 clinician reassigns Medicare billing to Cedar Medical Clinic, which bills Medicare for the services this clinician delivers.

Clinician (1)

Karl Johsens, M.D.
Internal Medicine
NPI 1295948727
1595 SOQUEL DR STE 340
Santa Cruz, CA 95065
(831) 425-1279
✔ 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 05D0716161

Cedar Medical Clinic Inc · Santa Cruz, CA
Active · expires Jul 2, 2027
CLIA Number05D0716161
Laboratory TypePhysician Office
Certificate Effective DateJuly 3, 2025
Certificate Expiration DateJuly 2, 2027
Laboratory DirectorKarl K. Johsens
Laboratory Phone(831) 425-1279
Laboratory LocationCedar Medical Clinic Inc1595 Soquel Dr, Ste 340, Santa Cruz, CA 95065
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 Karl Johsens MD & Drusilla Ldh Lee MD Inc's NPI number?

The NPI number for Karl Johsens MD & Drusilla Ldh Lee MD Inc is 1548278534. It was assigned to this organization in the NPPES registry on August 4, 2006. The provider is doing business as Cedar Medical Clinic.

Where is Karl Johsens MD & Drusilla Ldh Lee MD Inc located?

Karl Johsens MD & Drusilla Ldh Lee MD Inc is located at 1595 Soquel Dr Ste 340, Santa Cruz, CA 95065. The listed phone number is (831) 425-1279.

What is Karl Johsens MD & Drusilla Ldh Lee MD Inc's specialty?

The primary specialty registered for this NPI is Internal Medicine with taxonomy code 207R00000X.

Is Karl Johsens MD & Drusilla Ldh Lee MD Inc enrolled in Medicare?

Yes. Karl Johsens MD & Drusilla Ldh Lee MD Inc is registered in the Medicare PECOS enrollment system.

How many clinicians bill Medicare through Karl Johsens MD & Drusilla Ldh Lee MD Inc?

According to the CMS Revalidation Reassignment List (October 2026 release), 1 clinician (Internal Medicine) reassigns their Medicare billing to Karl Johsens MD & Drusilla Ldh Lee 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. Reassignment records can lag staffing changes; confirm a current affiliation with the organization.

Does Karl Johsens MD & Drusilla Ldh Lee MD Inc hold a CLIA laboratory certificate?

Yes. A Certificate of Waiver (number 05D0716161) is associated with this NPI, valid through July 2, 2027. CLIA certificates authorize laboratory testing under the federal Clinical Laboratory Improvement Amendments program.

When was this NPI record last updated?

The NPPES record for Karl Johsens MD & Drusilla Ldh Lee MD Inc was last updated on July 11, 2019. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 7 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.