MARC GUTIN M D INC
NPI 1043362544
Internal Medicine - Endocrinology, Diabetes & Metabolism in San Dimas, CA
About Marc Gutin M D Inc NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
MARC GUTIN M D INC (NPI 1043362544) is a healthcare organization registered as an endocrinology, diabetes & metabolism in San Dimas, California and active in the NPI registry since January 2007. The organization lists Marc S Gutin, President, as its authorized official.
NPPES Registry Identity
Specialties & Licenses
Other Identifiers 1
Group Practice 1
Medicare Participation & PECOS CMS
Medicare enrollment and the clinicians who bill Medicare through this organization, from CMS.
Medicare Enrollment Status
Enrolled in Medicare (PECOS)
Marc Gutin 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 Marc Gutin M D Inc, which bills Medicare for the services this clinician delivers.
Clinician (1)
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 Marc Gutin M D Inc's NPI number?
The NPI number for Marc Gutin M D Inc is 1043362544. It was assigned to this organization in the NPPES registry on January 17, 2007.
Where is Marc Gutin M D Inc located?
Marc Gutin M D Inc is located at 615 E Foothill Blvd Ste C, San Dimas, CA 91773. The listed phone number is (626) 335-8094.
What is Marc Gutin M D Inc's specialty?
The primary specialty registered for this NPI is Internal Medicine, specializing in Endocrinology, Diabetes & Metabolism, with taxonomy code 207RE0101X.
Is Marc Gutin M D Inc enrolled in Medicare?
Yes. Marc Gutin M D Inc is registered in the Medicare PECOS enrollment system.
How many clinicians bill Medicare through Marc Gutin M D Inc?
According to the CMS Revalidation Reassignment List (October 2026 release), 1 clinician (Endocrinology) reassigns their Medicare billing to Marc Gutin 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 Marc Gutin M D Inc was last updated on November 12, 2024. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 23 months 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.
# Marc Gutin M D Inc · NPI 1043362544
Endocrinology, Diabetes & Metabolism organization in San Dimas, California. Organization record, active in the CMS NPPES registry since January 17, 2007.
## Identity
- **NPI:** 1043362544 (Entity type: Organization)
- **Enumerated:** January 17, 2007
- **Primary specialty:** Internal Medicine - Endocrinology, Diabetes & Metabolism · taxonomy 207RE0101X
- **Organization subpart:** No
- **Authorized official:** Marc Gutin, PRESIDENT
## Practice location
- **Address:** 615 E FOOTHILL BLVD STE C, San Dimas, CA 91773-1255
- **Phone:** (626) 335-8094
## Medicare
- **Medicare:** Enrolled in Medicare (PECOS)
- **Clinicians billing through this organization:** 1 clinician (Endocrinology) reassigns Medicare billing to this organization (form CMS-855R) · CMS Revalidation Reassignment List, October 2026 release
## Record status
- **NPPES last updated:** November 12, 2024
- **Other identifiers:** Medicaid 00G486990 (CA)
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Source: [NPI Profile](https://npiprofile.com/npi/1043362544) · Data from the CMS NPPES public registry.