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MICHAEL GUICE MD INC
NPI 1215293303
General Practice in Los Angeles, CA

Active since April 03, 2012
1127 WILSHIRE BLVD, 1509, LOS ANGELES, CA 90017(213) 482-8600 Get Directions Write a Review

NPPES record last updated: April 3, 2012. Verified against the NPPES registry weekly; last sync: October 18, 2026.

About Michael Guice Md Inc NPPES

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

MICHAEL GUICE MD INC (NPI 1215293303) is a healthcare organization registered as a general practice in Los Angeles, California and active in the NPI registry since April 2012. The organization lists Michael James Guice, Owner, as its authorized official.

NPPES Registry Identity

NPI1215293303
Entity TypeOrganization
Primary Taxonomy208D00000X
Legal Business NameMICHAEL GUICE MD INC
Location Address1127 WILSHIRE BLVD, 1509Los Angeles, CA 90017-3901
Mailing Address1127 Wilshire Blvd., 1509Los Angeles, CA 90017-4006 · (213) 482-8600
Phone(213) 482-8600
Organization SubpartNo
Authorized OfficialMichael James GuiceOwner · (213) 482-8600
Enumeration DateApril 3, 2012
✔ NPI 1215293303 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyGeneral PracticeAllopathic & Osteopathic Physicians
Taxonomy Code208D00000X
License✔ Licensed in CA · G33573
Definition
A physician who specializes in the general practice of diagnosing, treating, and managing patients with a variety of illnesses and conditions. Source: National Uniform Claim Committee
1127 WILSHIRE BLVD, Los Angeles, CA 90017
Open in Google Maps ↗

Other Identifiers 1

Medicare UPINA91525CA

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)

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

Medicare Revalidation Due Date

Revalidation due by February 28, 2027

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 IDO20120417000542Non-DME Part B · Clinic/Group PracticeDue dateFebruary 28, 2027
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 Michael Guice MD Inc, which bills Medicare for the services this clinician delivers.

Clinician (1)

Michael Guice, MD
General Practice
NPI 1215944285
1127 WILSHIRE BLVD # 1509
Los Angeles, CA 90017
(213) 482-8600
✔ 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 Michael Guice MD Inc's NPI number?

The NPI number for Michael Guice MD Inc is 1215293303. It was assigned to this organization in the NPPES registry on April 3, 2012.

Where is Michael Guice MD Inc located?

Michael Guice MD Inc is located at 1127 Wilshire Blvd 1509, Los Angeles, CA 90017. The listed phone number is (213) 482-8600.

What is Michael Guice MD Inc's specialty?

The primary specialty registered for this NPI is General Practice with taxonomy code 208D00000X.

Is Michael Guice MD Inc enrolled in Medicare?

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

When is Michael Guice MD 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 February 28, 2027. 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 Michael Guice MD Inc?

According to the CMS Revalidation Reassignment List (October 2026 release), 1 clinician (General Practice) reassigns their Medicare billing to Michael Guice MD 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 Michael Guice MD Inc was last updated on April 3, 2012. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 14 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.