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MARK SCHEIER, M.D. INC
NPI 1174794846
Clinic/Center - Primary Care in La Palma, CA

Active since March 20, 2008
5451 LA PALMA AVENUE, SUITE 22, LA PALMA, CA 90623(714) 228-1446(714) 228-1450 Get Directions Write a Review

NPPES record last updated: March 24, 2008. Verified against the NPPES registry weekly; last sync: October 25, 2026.

About Mark Scheier, M.d. Inc NPPES

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

MARK SCHEIER, M.D. INC (NPI 1174794846) is a healthcare organization registered as a primary care in La Palma, California and active in the NPI registry since March 2008. The organization lists Mark Scheier, President, as its authorized official.

NPPES Registry Identity

NPI1174794846
Entity TypeOrganization
Primary Taxonomy261QP2300X
Legal Business NameMARK SCHEIER, M.D. INC
Location Address5451 LA PALMA AVENUE, SUITE 22La Palma, CA 90623-1730
Mailing Address5451 La Palma Avenue, Suite 22La Palma, CA 90623-1730 · (714) 228-1446 · Fax (714) 228-1450
Phone(714) 228-1446
Fax(714) 228-1450
Organization SubpartNo
Authorized OfficialMark ScheierPresident · (714) 228-1446
Enumeration DateMarch 20, 2008
Last NPPES UpdateMarch 24, 2008
✔ NPI 1174794846 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses 3

★ Primary SpecialtyClinic/Center · Primary CareAmbulatory Health Care Facilities
Taxonomy Code261QP2300X
License✔ Licensed in CA · A36345
Also ListedClinic/CenterTaxonomy 261Q00000X · License A36345 (CA)
Also ListedClinic/Center · Medical SpecialtyTaxonomy 261QM2500X · License A36345 (CA)
5451 LA PALMA AVENUE, La Palma, CA 90623
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Other Identifiers 3

Medicaid00A363450CA
Medicare PINA36345CA
Medicare UPINA28050CA

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)

Mark Scheier, M.d. Inc 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 IDO20101217000430Non-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 Mark Scheier, M.D. Inc, which bills Medicare for the services this clinician delivers.

Clinician (1)

Mark Scheier, MD.
Family Practice
NPI 1073516076
5451 LA PALMA AVE STE 22
La Palma, CA 90623
(714) 228-1446
✔ PECOSSame 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 Mark Scheier, M.D. Inc's NPI number?

The NPI number for Mark Scheier, M.D. Inc is 1174794846. It was assigned to this organization in the NPPES registry on March 20, 2008.

Where is Mark Scheier, M.D. Inc located?

Mark Scheier, M.D. Inc is located at 5451 La Palma Avenue Suite 22, La Palma, CA 90623. The listed phone number is (714) 228-1446.

What is Mark Scheier, M.D. Inc's specialty?

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

Is Mark Scheier, M.D. Inc enrolled in Medicare?

Yes. Mark Scheier, M.D. Inc is registered in the Medicare PECOS enrollment system.

When is Mark Scheier, M.D. Inc'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 Mark Scheier, M.D. Inc?

According to the CMS Revalidation Reassignment List (October 2026 release), 1 clinician (Family Practice) reassigns their Medicare billing to Mark Scheier, 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 Mark Scheier, M.D. Inc was last updated on March 24, 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.