1. Home
  2. Directory
  3. California
  4. San Diego
  5. Clinic Center
  6. NPI Profile

MEDICUS MD INC
NPI 1427076009
Clinic/Center - Primary Care in San Diego, CA

Active since July 18, 2006CLIA 05D1028625 · Waiver
3969 4TH AVE, STE #203, SAN DIEGO, CA 92103(619) 294-6500(619) 294-6505 Get Directions Write a Review

NPPES record last updated: September 8, 2023. Verified against the NPPES registry weekly; last sync: October 18, 2026.

Record update history: Sep 8, 2023, Jan 24, 2022 (2 updates tracked since 2022).

About Medicus Md Inc NPPES

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

MEDICUS MD INC (NPI 1427076009), doing business as Medicus Md Inc A Delaware Corporation, is a healthcare organization registered as a primary care in San Diego, California and active in the NPI registry since July 2006. The organization holds a CLIA Waiver certificate valid through September 5, 2027 and lists Barbara Denysiak, Vice President, as its authorized official.

NPPES Registry Identity

NPI1427076009
Entity TypeOrganization
Primary Taxonomy261QP2300X
Legal Business NameMEDICUS MD INC
Location Address3969 4TH AVE, STE #203San Diego, CA 92103-3165
Mailing Address3969 4th Ave, Ste #203San Diego, CA 92103-3165 · (619) 294-6500 · Fax (619) 294-6505
Phone(619) 294-6500
Fax(619) 294-6505
Organization SubpartNo
Authorized OfficialBarbara DenysiakVice President · (619) 294-6500
Enumeration DateJuly 18, 2006
Last NPPES UpdateSeptember 8, 20232 updates tracked since enumeration
NPPES CertifiedSeptember 8, 2023
✔ NPI 1427076009 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 · A48505
3969 4TH AVE, San Diego, CA 92103
Open in Google Maps ↗

Other Names 1

Former Legal Business NameMedicus Md Inc A Delaware Corporation

Medicare Participation & PECOS CMS

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

Medicare Enrollment Status

✔

Enrolled in Medicare (PECOS)

Medicus Md Inc is registered in the CMS Provider Enrollment, Chain and Ownership System (PECOS).

Clinicians Billing Medicare Through This Organization

4

Medicare enrollment records show 4 clinicians reassign Medicare billing to Medicus MD Inc, which bills Medicare for the services they deliver. Of these, 3 practice at this address. They are listed nearest first.

Clinicians, nearest first (4)

Jacqueline Denysiak, M.D.
Family Practice
NPI 1902337827
3969 4TH AVE STE 203
San Diego, CA 92103
(619) 294-6500
✔ PECOS✔ Accepts MedicareSame address
Katherine Hall, DNP, APRN, FBP-BC
Nurse Practitioner
NPI 1679492508
3969 4TH AVE STE 203
San Diego, CA 92103
(619) 294-6500
✔ PECOSSame address
Barbara Denysiak, M.D.
General Practice
NPI 1003085572
3969 4TH AVE STE. 203
San Diego, CA 92103
(619) 294-6500
✔ PECOS✔ Accepts MedicareSame address
Brian Lantos, DO
Family Practice
NPI 1184094849
1235 NW 11TH ST
Corvallis, OR 97330
(818) 836-2597
✔ PECOS✔ Accepts Medicare879 mi

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 05D1028625

Medicus MD Inc Barbara Denysiak MD · San Diego, CA
Active · expires Sep 5, 2027
CLIA Number05D1028625
Laboratory TypePhysician Office
Certificate Effective DateSeptember 6, 2025
Certificate Expiration DateSeptember 5, 2027
Laboratory DirectorBarbara Denysiak MD
Laboratory Phone(619) 294-6500
Laboratory LocationMedicus MD Inc Barbara Denysiak MD3969 4th Ave Ste 203, San Diego, CA 92103
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 Medicus MD Inc's NPI number?

The NPI number for Medicus MD Inc is 1427076009. It was assigned to this organization in the NPPES registry on July 18, 2006. The provider was formerly known as Medicus MD Inc A Delaware Corporation.

Where is Medicus MD Inc located?

Medicus MD Inc is located at 3969 4th Ave Ste #203, San Diego, CA 92103. The listed phone number is (619) 294-6500.

What is Medicus MD Inc's specialty?

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

Is Medicus MD Inc enrolled in Medicare?

Yes. Medicus MD Inc is registered in the Medicare PECOS enrollment system.

How many clinicians bill Medicare through Medicus MD Inc?

According to the CMS Revalidation Reassignment List (October 2026 release), 4 clinicians reassign their Medicare billing to Medicus MD Inc, in Family Practice, General Practice and Nurse Practitioner. 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, 3 practice at this address. Reassignment records can lag staffing changes; confirm a current affiliation with the organization.

Does Medicus MD Inc hold a CLIA laboratory certificate?

Yes. A Certificate of Waiver (number 05D1028625) is associated with this NPI, valid through September 5, 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 Medicus MD Inc was last updated on September 8, 2023. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 3 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.