JAY IINUMA, MD, INC
NPI 1851709240
Clinic/Center - Primary Care in Arcadia, CA
About Jay Iinuma, Md, Inc NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
JAY IINUMA, MD, INC (NPI 1851709240) is a healthcare organization registered as a primary care in Arcadia, California and active in the NPI registry since July 2014. The organization lists Jay Iinuma, Physician, as its authorized official.
NPPES Registry Identity
Specialties & Licenses
Medicare Participation & PECOS CMS
Medicare enrollment and the clinicians who bill Medicare through this organization, from CMS.
Medicare Enrollment Status
Enrolled in Medicare (PECOS)
Jay Iinuma, 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 Jay Iinuma, 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 Jay Iinuma, MD, Inc's NPI number?
The NPI number for Jay Iinuma, MD, Inc is 1851709240. It was assigned to this organization in the NPPES registry on July 29, 2014.
Where is Jay Iinuma, MD, Inc located?
Jay Iinuma, MD, Inc is located at 301 W Huntington Dr Ste 608, Arcadia, CA 91007. The listed phone number is (626) 201-5480.
What is Jay Iinuma, MD, Inc's specialty?
The primary specialty registered for this NPI is Clinic/Center, specializing in Primary Care, with taxonomy code 261QP2300X.
Is Jay Iinuma, MD, Inc enrolled in Medicare?
Yes. Jay Iinuma, MD, Inc is registered in the Medicare PECOS enrollment system.
How many clinicians bill Medicare through Jay Iinuma, MD, Inc?
According to the CMS Revalidation Reassignment List (October 2026 release), 1 clinician (Family Practice) reassigns their Medicare billing to Jay Iinuma, 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 Jay Iinuma, MD, Inc was last updated on July 29, 2014. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 12 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.
# Jay Iinuma, Md, Inc · NPI 1851709240
Primary Care organization in Arcadia, California. Organization record, active in the CMS NPPES registry since July 29, 2014.
## Identity
- **NPI:** 1851709240 (Entity type: Organization)
- **Enumerated:** July 29, 2014
- **Primary specialty:** Clinic/Center - Primary Care · taxonomy 261QP2300X
- **Organization subpart:** No
- **Authorized official:** Jay Iinuma, PHYSICIAN
## Practice location
- **Address:** 301 W HUNTINGTON DR STE 608, Arcadia, CA 91007-1516
- **Phone:** (626) 201-5480
## Medicare
- **Medicare:** Enrolled in Medicare (PECOS)
- **Clinicians billing through this organization:** 1 clinician (Family Practice) reassigns Medicare billing to this organization (form CMS-855R) · CMS Revalidation Reassignment List, October 2026 release
## Record status
- **NPPES last updated:** July 29, 2014
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Source: [NPI Profile](https://npiprofile.com/npi/1851709240) · Data from the CMS NPPES public registry.