SHARNA B SHACHAR M D A PROFESSIONAL MEDICAL CORPORATION
NPI 1033120902
Internal Medicine in Chula Vista, CA

Active since August 10, 2006CLIA 05D0935674 · Waiver
525 H ST, CHULA VISTA, CA 91910(619) 409-9999(619) 409-9905 Get Directions Write a Review

NPPES record last updated: November 21, 2016. Verified against the NPPES registry weekly; last sync: October 18, 2026.

Record update history: Nov 21, 2016, Sep 1, 2016 (2 updates tracked since 2016).

About Sharna B Shachar M D A Professional Medical Corporation NPPES

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

SHARNA B SHACHAR M D A PROFESSIONAL MEDICAL CORPORATION (NPI 1033120902) is a healthcare organization registered as an internal medicine in Chula Vista, California and active in the NPI registry since August 2006. The organization holds a CLIA Waiver certificate valid through November 3, 2027 and lists Sharna B. Shachar, Owner, as its authorized official.

NPPES Registry Identity

NPI1033120902
Entity TypeOrganization
Primary Taxonomy207R00000X
Legal Business NameSHARNA B SHACHAR M D A PROFESSIONAL MEDICAL CORPORATION
Location Address525 H STChula Vista, CA 91910-4301
Mailing Address525 H StChula Vista, CA 91910-4301 · (619) 409-9999 · Fax (619) 409-9905
Fax(619) 409-9905
Organization SubpartNo
Authorized OfficialSharna B. ShacharOwner · (619) 409-9999
Enumeration DateAugust 10, 2006
Last NPPES UpdateNovember 21, 20162 updates tracked since enumeration
✔ NPI 1033120902 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyInternal MedicineAllopathic & Osteopathic Physicians
Taxonomy Code207R00000X
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.
525 H ST, Chula Vista, CA 91910

Other Identifiers 3

Medicare PINW19898CA
Medicare UPINF59795CA
OtherA51402CA · License

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

Medicare Enrollment Status

✔

Enrolled in Medicare (PECOS)

Sharna B Shachar M D A Professional Medical Corporation is registered in the CMS Provider Enrollment, Chain and Ownership System (PECOS).

Medicare Revalidation Due Date

Revalidation due by December 31, 2026

Medicare-enrolled providers and suppliers confirm their enrollment information with CMS on a set cycle, every 5 years for most and every 3 years for medical equipment suppliers. CMS sets the due date for each enrollment.

StateEnrollment IDDue date
StateCaliforniaEnrollment IDO20060821000202Non-DME Part B · Clinic/Group PracticeDue dateDecember 31, 2026
Source: CMS Revalidation Due Date List, October 2026 release.

Clinicians Billing Medicare Through This Organization

Medicare enrollment records show 1 clinician reassigns Medicare billing to Sharna B Shachar M D A Professional Medical Corporation, which bills Medicare for the services this clinician delivers.

Clinician (1)

Internal Medicine
NPI 1619904703
525 H ST
Chula Vista, CA 91910
(619) 409-9999
✔ PECOS✔ Accepts Medicare2.7 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 05D0935674

Sharna B Shachar, MD · Chula Vista, CA
Active · expires Nov 3, 2027
CLIA Number05D0935674
Laboratory TypePhysician Office
Certificate Effective DateNovember 4, 2025
Certificate Expiration DateNovember 3, 2027
Laboratory DirectorSharna B. Shachar MD
Laboratory Phone(619) 409-9999
Laboratory LocationSharna B Shachar, MD525 H Street, Chula Vista, CA 91910
CLIA data matches this NPI record on: Address 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 Sharna B Shachar M D A Professional Medical Corporation's NPI number?

The NPI number for Sharna B Shachar M D A Professional Medical Corporation is 1033120902. It was assigned to this organization in the NPPES registry on August 10, 2006.

Where is Sharna B Shachar M D A Professional Medical Corporation located?

Sharna B Shachar M D A Professional Medical Corporation is located at 525 H St, Chula Vista, CA 91910. The listed phone number is (619) 409-9999.

What is Sharna B Shachar M D A Professional Medical Corporation's specialty?

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

Is Sharna B Shachar M D A Professional Medical Corporation enrolled in Medicare?

Yes. Sharna B Shachar M D A Professional Medical Corporation is registered in the Medicare PECOS enrollment system.

When is Sharna B Shachar M D A Professional Medical Corporation's Medicare revalidation due?

According to the CMS Revalidation Due Date List (October 2026 release), the Medicare Non-DME Part B enrollment for this organization (California, Clinic/Group Practice) is due for revalidation by December 31, 2026. Medicare providers and suppliers revalidate their enrollment every 5 years, and medical equipment suppliers every 3 years. Confirm current requirements with your Medicare Administrative Contractor.

How many clinicians bill Medicare through Sharna B Shachar M D A Professional Medical Corporation?

According to the CMS Revalidation Reassignment List (October 2026 release), 1 clinician (Internal Medicine) reassigns their Medicare billing to Sharna B Shachar M D A Professional Medical Corporation. 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 Sharna B Shachar M D A Professional Medical Corporation hold a CLIA laboratory certificate?

Yes. A Certificate of Waiver (number 05D0935674) is associated with this NPI, valid through November 3, 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 Sharna B Shachar M D A Professional Medical Corporation was last updated on November 21, 2016. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 9 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.