NIRUPA VIGNARAJAN, M.D., INC.
NPI 1598180283
Clinic/Center - Primary Care in Glendale, CA
About Nirupa Vignarajan, M.d., Inc. NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
NIRUPA VIGNARAJAN, M.D., INC. (NPI 1598180283) is a healthcare organization registered as a primary care in Glendale, California and active in the NPI registry since March 2014. The organization lists Nirupa Vignarajan, President, 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)
Nirupa Vignarajan, 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 Nirupa Vignarajan, 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 Nirupa Vignarajan, M.D., Inc.'s NPI number?
The NPI number for Nirupa Vignarajan, M.D., Inc. is 1598180283. It was assigned to this organization in the NPPES registry on March 4, 2014.
Where is Nirupa Vignarajan, M.D., Inc. located?
Nirupa Vignarajan, M.D., Inc. is located at 1030 S Glendale Ave Suite 309, Glendale, CA 91205. The listed phone number is (818) 553-6666.
What is Nirupa Vignarajan, M.D., Inc.'s specialty?
The primary specialty registered for this NPI is Clinic/Center, specializing in Primary Care, with taxonomy code 261QP2300X.
Is Nirupa Vignarajan, M.D., Inc. enrolled in Medicare?
Yes. Nirupa Vignarajan, M.D., Inc. is registered in the Medicare PECOS enrollment system.
How many clinicians bill Medicare through Nirupa Vignarajan, M.D., Inc.?
According to the CMS Revalidation Reassignment List (October 2026 release), 1 clinician (Internal Medicine) reassigns their Medicare billing to Nirupa Vignarajan, 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 Nirupa Vignarajan, M.D., Inc. was last updated on March 4, 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.
# Nirupa Vignarajan, M.d., Inc. · NPI 1598180283
Primary Care organization in Glendale, California. Organization record, active in the CMS NPPES registry since March 4, 2014.
## Identity
- **NPI:** 1598180283 (Entity type: Organization)
- **Enumerated:** March 4, 2014
- **Primary specialty:** Clinic/Center - Primary Care · taxonomy 261QP2300X
- **Organization subpart:** No
- **Authorized official:** Nirupa Vignarajan, PRESIDENT
## Practice location
- **Address:** 1030 S GLENDALE AVE, SUITE 309, Glendale, CA 91205-5612
- **Phone:** (818) 553-6666 · **Fax:** (818) 553-6651
## Medicare
- **Medicare:** Enrolled in Medicare (PECOS)
- **Clinicians billing through this organization:** 1 clinician (Internal Medicine) reassigns Medicare billing to this organization (form CMS-855R) · CMS Revalidation Reassignment List, October 2026 release
## Record status
- **NPPES last updated:** March 4, 2014
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Source: [NPI Profile](https://npiprofile.com/npi/1598180283) · Data from the CMS NPPES public registry.