Steven Ronilo MD
About this NPIWhat this record shows.
NPI 1942821194 is registered to Steven Ronilo MD, a Anesthesiology practising at 300 Pasteur Drive, Lane 154 in Stanford, California. Anesthesiology is the medical specialty concerned with the perioperative care of patients before, during, and after surgery, including pain management. Steven Ronilo MD has been enumerated in the National Provider Identifier (NPI) registry since 2020.
Beyond the registryWhat this record adds.
It is enrolled in Medicare, linking to 1 PECOS enrollment record (with a public Medicare Enrollment ID) sourced from CMS, which the NPPES registry does not list. Within the directory it is one of 9,466 Anesthesiology providers on file in California.
Source: CMS NPPES and PECOS public files. snapshot, refreshed monthly.
Your brand here.
Medicare enrollment
This provider holds a Medicare enrollment on file with the Provider Enrollment, Chain and Ownership System (PECOS). Each enrollment carries a public Medicare Enrollment ID (ENRLMT_ID) used by billers and intermediaries.
Practitioner
- I20250709001962AnesthesiologyCA
Source: CMS PECOS public enrollment file.
Insurance & acceptsHow to confirm coverage.
The National Plan and Provider Enumeration System (NPPES) registry does not include commercial insurance network data, so we cannot show which plans Steven Ronilo MD accepts. To confirm in-network status with your specific health plan, contact Steven Ronilo MD directly at (650) 723-6661.
Frequently asked
Yes. NPI 1942821194 is registered as Active in the CMS NPPES public registry and passes the Luhn check-digit validation that all 10-digit NPIs use.
Anesthesiology is the medical specialty concerned with the perioperative care of patients before, during, and after surgery, including pain management.
The CMS NPPES Public Registry at npiregistry.cms.hhs.gov is the authoritative source. FindMyNPI mirrors this dataset and refreshes monthly. For real-time verification, you can also call the provider's office at (650) 723-6661.
An individual healthcare provider has a single Type-1 NPI for life. Organisations can hold separate Type-2 NPIs per location, specialty, or sub-entity. Steven Ronilo MD is a Type-1 individual NPI.
As of the latest monthly CMS NPPES snapshot, 9,466 Anesthesiology providers are registered in California, and Steven Ronilo MD is one of them. The figure refreshes each month from the federal source.