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ANDREW R. DEMAR,JR,M.D. INC
NPI 1144423724
Surgery in Roseville, CA

Active since June 08, 2007
2 MEDICAL PLAZA DR, SUITE 275, ROSEVILLE, CA 95661(916) 797-7534(916) 797-4712 Get Directions Write a Review

NPPES record last updated: April 14, 2009. Verified against the NPPES registry weekly; last sync: October 18, 2026.

About Andrew R. Demar,jr,m.d. Inc NPPES

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

ANDREW R. DEMAR,JR,M.D. INC (NPI 1144423724) is a healthcare organization registered as a surgery in Roseville, California and active in the NPI registry since June 2007. The organization lists Andrew Richard Demar, President & C.e.o., as its authorized official.

NPPES Registry Identity

NPI1144423724
Entity TypeOrganization
Primary Taxonomy208600000X
Legal Business NameANDREW R. DEMAR,JR,M.D. INC
Location Address2 MEDICAL PLAZA DR, SUITE 275Roseville, CA 95661-3043
Mailing Address2 Medical Plaza Dr, Suite 275Roseville, CA 95661-3043 · (916) 797-7534 · Fax (916) 797-4712
Phone(916) 797-7534
Fax(916) 797-4712
Organization SubpartNo
Authorized OfficialAndrew Richard DemarPresident & C.e.o. · (916) 797-7534
Enumeration DateJune 8, 2007
Last NPPES UpdateApril 14, 2009
✔ NPI 1144423724 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtySurgeryAllopathic & Osteopathic Physicians
Taxonomy Code208600000X
Definition
A general surgeon has expertise related to the diagnosis - preoperative, operative and postoperative management - and management of complications of surgical conditions in the following areas: alimentary tract; abdomen; breast, skin and soft tissue; endocrine system; head and neck surgery; pediatric surgery; surgical critical care; surgical oncology; trauma and burns; and vascular surgery. General surgeons increasingly provide care through the use of minimally invasive and endoscopic techniques. Many general surgeons also possess expertise in transplantation surgery, plastic surgery and cardiothoracic surgery.
2 MEDICAL PLAZA DR, Roseville, CA 95661
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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)

Andrew R. Demar,jr,m.d. Inc 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 Andrew R. Demar,jr,m.D. Inc, which bills Medicare for the services this clinician delivers.

Clinician (1)

Andrew Demar, M.D.
General Surgery
NPI 1891716023
2 MEDICAL PLAZA DR SUITE 275
Roseville, CA 95661
(916) 797-7534
✔ 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.

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 Andrew R. Demar,jr,m.D. Inc's NPI number?

The NPI number for Andrew R. Demar,jr,m.D. Inc is 1144423724. It was assigned to this organization in the NPPES registry on June 8, 2007.

Where is Andrew R. Demar,jr,m.D. Inc located?

Andrew R. Demar,jr,m.D. Inc is located at 2 Medical Plaza Dr Suite 275, Roseville, CA 95661. The listed phone number is (916) 797-7534.

What is Andrew R. Demar,jr,m.D. Inc's specialty?

The primary specialty registered for this NPI is Surgery with taxonomy code 208600000X.

Is Andrew R. Demar,jr,m.D. Inc enrolled in Medicare?

Yes. Andrew R. Demar,jr,m.D. Inc is registered in the Medicare PECOS enrollment system.

How many clinicians bill Medicare through Andrew R. Demar,jr,m.D. Inc?

According to the CMS Revalidation Reassignment List (October 2026 release), 1 clinician (General Surgery) reassigns their Medicare billing to Andrew R. Demar,jr,m.D. 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.

When was this NPI record last updated?

The NPPES record for Andrew R. Demar,jr,m.D. Inc was last updated on April 14, 2009. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 17 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.