DR. OLIVIA CATHERINE ROMAN MD
NPI 1801412697
Anesthesiology - Critical Care Medicine in Palo Alto, CA
About Dr. Olivia Catherine Roman Md NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
DR. OLIVIA CATHERINE ROMAN MD (NPI 1801412697) is an individual critical care medicine provider in Palo Alto, California, licensed in California (A194223) and active in the NPI registry since June 2020. She is enrolled in Medicare PECOS and is a graduate of Vanderbilt University School Of Medicine (2020).
NPPES Registry Identity
Specialties & Licenses 2
Medicare Participation & PECOS CMS
Medicare enrollment, assignment, billing reassignment, and ordering and referring status from CMS.
Medicare Enrollment Status
Enrolled in Medicare and accepts Medicare assignment
Dr. Olivia Catherine Roman Md is registered in PECOS and agrees to accept the Medicare-approved amount as full payment. Medicare patients are not billed beyond the standard deductible and coinsurance.
Medicare Billing Reassignment
Medicare enrollment records show Olivia Roman reassigns Medicare billing to 1 organization. The organization bills Medicare for the services this provider delivers there.
San Bernardino, CA 92404
- Reassigned Medicare billing, California enrollment
- 1,216 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.
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.
PALO ALTO, CA 94304
PALO ALTO, CA 94304
PALO ALTO, CA 94304
PALO ALTO, CA 94304
PALO ALTO, CA 94304
PALO ALTO, CA 94304
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 Olivia Roman's NPI number?
The NPI number for Olivia Roman is 1801412697. It was assigned to this individual provider in the NPPES registry on June 17, 2020.
Where is Olivia Roman located?
Olivia Roman practices at 500 Pasteur Dr, Palo Alto, CA 94304. The listed phone number is (650) 723-4000.
What is Olivia Roman's specialty?
The primary specialty registered for this NPI is Anesthesiology, specializing in Critical Care Medicine, with taxonomy code 207LC0200X.
Is Olivia Roman enrolled in Medicare?
Yes. Olivia Roman is registered in the Medicare PECOS system and accepts Medicare assignment, which means accepting the Medicare-approved amount as payment in full for covered services.
Which organization bills Medicare for Olivia Roman's services?
According to the CMS Revalidation Reassignment List (October 2026 release), Olivia Roman reassigns Medicare benefits to Inpatient Specialists Of California, PC (San Bernardino, CA). The 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 Olivia Roman'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 Olivia Roman was last updated on February 20, 2025. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 20 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.
# Dr. Olivia Catherine Roman, MD · NPI 1801412697
Critical Care Medicine physician in Palo Alto, California. Individual provider, active in the CMS NPPES registry since June 17, 2020.
## Identity
- **NPI:** 1801412697 (Entity type: Individual)
- **Enumerated:** June 17, 2020
- **Primary specialty:** Anesthesiology - Critical Care Medicine · taxonomy 207LC0200X
- **State license:** A194223 (California)
- **Sole proprietor:** No
## Practice location
- **Address:** 500 PASTEUR DR, Palo Alto, CA 94304-1048
- **Phone:** (650) 723-4000
## Medicare
- **Medicare:** Enrolled (PECOS); accepts Medicare assignment
- **Ordering & referring:** eligible for Part B labs & imaging, durable medical equipment, home health, power mobility devices
- **Bills Medicare through:** Inpatient Specialists Of California, PC (NPI 1952792475, San Bernardino, CA), under Medicare reassignment (form CMS-855R) · CMS Revalidation Reassignment List, October 2026 release
- **Medical school:** Vanderbilt University School Of Medicine, class of 2020
## Record status
- **NPPES last updated:** February 20, 2025
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Source: [NPI Profile](https://npiprofile.com/npi/1801412697) · Data from the CMS NPPES public registry.