NAGASAMUDRA S ASHOK MD INC
NPI 1851709406
Clinic/Center - Urgent Care in Ontario, CA
About Nagasamudra S Ashok Md Inc NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
NAGASAMUDRA S ASHOK MD INC (NPI 1851709406) is a healthcare organization registered as an urgent care in Ontario, California and active in the NPI registry since July 2014. The organization lists Nagasamudra Shamarao Ashok, Ceo, as its authorized official.
NPPES Registry Identity
Specialties & Licenses 2
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)
Nagasamudra S Ashok Md Inc is registered in the CMS Provider Enrollment, Chain and Ownership System (PECOS).
Clinicians Billing Medicare Through This Organization
10Medicare enrollment records show 10 clinicians reassign Medicare billing to Nagasamudra S Ashok MD Inc, which bills Medicare for the services they deliver. Of these, 1 practice at this address and 2 within 10 miles. They are listed nearest first.
Clinicians by Medicare Specialty 4
Clinicians, nearest first (10)
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 Nagasamudra S Ashok MD Inc's NPI number?
The NPI number for Nagasamudra S Ashok MD Inc is 1851709406. It was assigned to this organization in the NPPES registry on July 28, 2014.
Where is Nagasamudra S Ashok MD Inc located?
Nagasamudra S Ashok MD Inc is located at 1520 N Mountain Ave Bldg F Suite 128, Ontario, CA 91762. The listed phone number is (909) 949-9299.
What is Nagasamudra S Ashok MD Inc's specialty?
The primary specialty registered for this NPI is Clinic/Center, specializing in Urgent Care, with taxonomy code 261QU0200X.
Is Nagasamudra S Ashok MD Inc enrolled in Medicare?
Yes. Nagasamudra S Ashok MD Inc is registered in the Medicare PECOS enrollment system.
How many clinicians bill Medicare through Nagasamudra S Ashok MD Inc?
According to the CMS Revalidation Reassignment List (October 2026 release), 10 clinicians in 4 Medicare specialties reassign their Medicare billing to Nagasamudra S Ashok 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. The largest specialties are Nurse Practitioner (6), Emergency Medicine (2) and Family Practice (1). Of these, 1 practice at this address and 2 within 10 miles. Reassignment records can lag staffing changes; confirm a current affiliation with the organization.
When was this NPI record last updated?
The NPPES record for Nagasamudra S Ashok MD Inc was last updated on March 13, 2025. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 19 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.
# Nagasamudra S Ashok Md Inc · NPI 1851709406
Urgent Care organization in Ontario, California. Organization record, active in the CMS NPPES registry since July 28, 2014.
## Identity
- **NPI:** 1851709406 (Entity type: Organization)
- **Enumerated:** July 28, 2014
- **Primary specialty:** Clinic/Center - Urgent Care · taxonomy 261QU0200X
- **Organization subpart:** Yes (part of Nagasamudra S. Ashok Md Inc)
- **Authorized official:** Nagasamudra Ashok, CEO
## Practice location
- **Address:** 1520 N MOUNTAIN AVE BLDG F, SUITE 128, Ontario, CA 91762-1128
- **Phone:** (909) 949-9299 · **Fax:** (909) 949-9029
## Medicare
- **Medicare:** Enrolled in Medicare (PECOS)
- **Clinicians billing through this organization:** 10 clinicians in 4 Medicare specialties reassign Medicare billing to this organization (form CMS-855R); largest: Nurse Practitioner (6), Emergency Medicine (2), Family Practice (1); 1 practice at this address and 2 within 10 miles · CMS Revalidation Reassignment List, October 2026 release
## Record status
- **NPPES last updated:** March 13, 2025
- **Other identifiers:** Medicaid 00A415890 (CA)
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Source: [NPI Profile](https://npiprofile.com/npi/1851709406) · Data from the CMS NPPES public registry.