DANIEL RIOS MD
NPI 1821176652
Internal Medicine in Napa, CA
About Daniel Rios Md NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
DANIEL RIOS MD (NPI 1821176652) is an individual internal medicine provider in Napa, California, licensed in California (A67837) and active in the NPI registry since November 2006. He is enrolled in Medicare PECOS.
NPPES Registry Identity
Specialties & Licenses
Other Identifiers 1
Medicare Participation & PECOS CMS
Medicare enrollment, assignment, billing reassignment, and ordering and referring status from CMS.
Medicare Enrollment Status
Enrolled in Medicare (PECOS)
Daniel Rios Md is registered in the CMS Provider Enrollment, Chain and Ownership System (PECOS).
Medicare Billing Reassignments
2Medicare enrollment records show Daniel Rios reassigns Medicare billing to 2 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.
Napa, CA 94558
- Reassigned Medicare billing, California enrollment
- 116 clinicians in this Medicare group
Vallejo, CA 94589
- Reassigned Medicare billing, California enrollment
- 20,078 clinicians in this Medicare group
Source: CMS Revalidation Reassignment List, October 2026 release. Reassignment records can lag staffing changes; confirm a current affiliation with the organization.
Physician Visit Costs CMS claims · ZIP area
Typical Medicare office-visit costs in the 94558 ZIP code area, from fee-for-service claims. These are area statistics, not this provider’s prices; actual charges vary by service and coverage.
Other Providers at the Same Location NPPES 20
Providers registered at the same practice address, or within the immediate area, according to the NPPES registry.
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 Daniel Rios's NPI number?
The NPI number for Daniel Rios is 1821176652. It was assigned to this individual provider in the NPPES registry on November 1, 2006.
Where is Daniel Rios located?
Daniel Rios practices at 1141 Pear Tree Ln Ste 100, Napa, CA 94558. The listed phone number is (707) 254-1770.
What is Daniel Rios's specialty?
The primary specialty registered for this NPI is Internal Medicine with taxonomy code 207R00000X.
Is Daniel Rios enrolled in Medicare?
Yes. Daniel Rios is registered in the Medicare PECOS enrollment system.
Which organizations bill Medicare for Daniel Rios's services?
According to the CMS Revalidation Reassignment List (October 2026 release), Daniel Rios reassigns Medicare benefits to 2 organizations: Ole Health (Napa, CA) and Permanente Medical Group Inc (Vallejo, CA). Each 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 Daniel Rios's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.
When was this NPI record last updated?
The NPPES record for Daniel Rios was last updated on October 21, 2024. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 2 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.