MICHAEL UY YAP MD INC
NPI 1033514559
Internal Medicine - Nephrology in Orange, CA
About Michael Uy Yap Md Inc NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
MICHAEL UY YAP MD INC (NPI 1033514559) is a healthcare organization registered as a nephrology in Orange, California and active in the NPI registry since October 2014. The organization lists Michael Uy Yap, Ceo/president, as its authorized official.
NPPES Registry Identity
Specialties & Licenses
Other Identifiers 4
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)
Michael Uy Yap Md 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 Michael Uy Yap MD 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 Michael Uy Yap MD Inc's NPI number?
The NPI number for Michael Uy Yap MD Inc is 1033514559. It was assigned to this organization in the NPPES registry on October 27, 2014.
Where is Michael Uy Yap MD Inc located?
Michael Uy Yap MD Inc is located at 2230 W Chapman Ave Ste 200, Orange, CA 92868. The listed phone number is (714) 845-7080.
What is Michael Uy Yap MD Inc's specialty?
The primary specialty registered for this NPI is Internal Medicine, specializing in Nephrology, with taxonomy code 207RN0300X.
Is Michael Uy Yap MD Inc enrolled in Medicare?
Yes. Michael Uy Yap MD Inc is registered in the Medicare PECOS enrollment system.
How many clinicians bill Medicare through Michael Uy Yap MD Inc?
According to the CMS Revalidation Reassignment List (October 2026 release), 1 clinician (Nephrology) reassigns their Medicare billing to Michael Uy Yap 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 Uy Yap MD Inc was last updated on September 27, 2023. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 3 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.
# Michael Uy Yap Md Inc · NPI 1033514559
Nephrology organization in Orange, California. Organization record, active in the CMS NPPES registry since October 27, 2014.
## Identity
- **NPI:** 1033514559 (Entity type: Organization)
- **Enumerated:** October 27, 2014
- **Primary specialty:** Internal Medicine - Nephrology · taxonomy 207RN0300X
- **Organization subpart:** No
- **Authorized official:** Michael Yap, CEO/PRESIDENT
## Practice location
- **Address:** 2230 W CHAPMAN AVE STE 200, Orange, CA 92868-2316
- **Phone:** (714) 845-7080 · **Fax:** (714) 845-7080
## Medicare
- **Medicare:** Enrolled in Medicare (PECOS)
- **Clinicians billing through this organization:** 1 clinician (Nephrology) reassigns Medicare billing to this organization (form CMS-855R) · CMS Revalidation Reassignment List, October 2026 release
## Record status
- **NPPES last updated:** September 27, 2023
- **Other identifiers:** Other 1094768 (FL); Other 14MH2 (FL); Other 5218914 (FL); and 1 more
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Source: [NPI Profile](https://npiprofile.com/npi/1033514559) · Data from the CMS NPPES public registry.