Olivia Catherine Roman, MD
Critical Care Medicine (Anesthesiology) Physician · Palo Alto, CA
Olivia Catherine Roman, MD is a critical care medicine (anesthesiology) physician with a practice address in Palo Alto, California, and NPI 1801412697, issued on Jun 17, 2020. Check the license (California A194223, as entered in NPPES) on the Medical Board of California; the Medicare figures below come from public CMS files.
- Name
- Olivia Catherine Roman
- Credential
- MD
- Primary taxonomy
- Critical Care Medicine (Anesthesiology) Physician 207LC0200X
- License numbers
- A194223 CA
2020016883 MO
Self-reported in NPPES; status is on the state search - Practice location
- 500 Pasteur Dr, Palo Alto, CA 94304
- Phone
- (650) 723-4000
- Enumerated
- Jun 17, 2020
- Record last updated
- Feb 20, 2025
- Medicare enrollment
- Enrolled (PECOS I20260604000224); may accept Medicare assignment
- Medical or professional school
- Vanderbilt University School Of Medicine, 2020
- Entity
- Type 1 · individual
8 nearest critical care medicine (anesthesiology) physician records → All 146 in California → Look up another NPI →
Also registered at 500 Pasteur Dr
A shared address usually means a shared clinic or building; it does not show who employs whom.
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Verify Olivia Catherine Roman in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersMedical Board of California
Search for license A194223Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
91% fewer Medicare Part D claims than the average critical care medicine (anesthesiology) physician in 2024
17 Medicare Part D claims for 11 beneficiaries, against an average of 192 among the 107 providers of this specialty who prescribed in Part D.
Source: CMS Medicare Part D Prescribers by Provider and Drug, 2024 (data.cms.gov). Part D covers prescriptions for Medicare patients only; drugs with fewer than 11 claims are not published.
Olivia Catherine Roman among 146 critical care medicine (anesthesiology) physician records in California
Olivia Catherine Roman, MD is one of 146 critical care medicine (anesthesiology) physician records with a practice address in California. 86% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2020, is newer than 94% of them.
- NPI issued2020 · 94% of these records are older, 3% newer
- In a Medicare fileYes · 86% of these records are
- In the CMS Doctors and Clinicians fileYes · 84% of these records are
- Graduated2020 · median 2009 among the 123 with a school on file
- Record last updated2025 · 47% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 207LC0200X and a California practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
Critical Care Medicine (Anesthesiology) Physician providers in California
There are 146 critical care medicine (anesthesiology) physician records in California.
All 146 in California → Every provider in Palo Alto → Critical Care Medicine (Anesthesiology) Physician nationwide →
The 8 critical care medicine (anesthesiology) physician records with the nearest ZIP codes
- Juliana Barr, M.D.Palo Alto, CA 943041144331018
- Edward Bertaccini, MDPalo Alto, CA 943041063432623
- William Gibb, MDPalo Alto, CA 943041700250669
- Guy Miller, MD, PHDPalo Alto, CA 943041265677728
- Scott Ahlbrand, M.D.Stanford, CA 943051871789354
- Roger Mecca, M.D.Stanford, CA 943051376654343
- Vanessa Moll, M.D.Stanford, CA 943051346565702
- David Stahl, M.D.Stanford, CA 943051497982946
Common questions
What is Olivia Catherine Roman, MD's NPI number?
Olivia Catherine Roman, MD's National Provider Identifier (NPI) is 1801412697, issued on Jun 17, 2020. An NPI identifies a provider in billing; it is not a license.
Where is Olivia Catherine Roman, MD located?
The NPPES record lists a practice address at 500 Pasteur Dr, Palo Alto, CA, 94304. Phone: (650) 723-4000. Providers update this record themselves, so call before visiting.
How can I verify Olivia Catherine Roman, MD's license?
NPPES lists California license number A194223, as entered by the provider. Search the Medical Board of California at https://www.mbc.ca.gov/License-Verification/default.aspx. The NPPES record confirms identity only; the state search shows license status, expiration and public orders.
How much does Olivia Catherine Roman, MD prescribe under Medicare Part D?
In 2024, Olivia Catherine Roman, MD had 17 Medicare Part D claims for 11 beneficiaries; the average among critical care medicine (anesthesiology) physician prescribers was 192. Part D covers Medicare prescriptions only.
Source: CMS National Plan and Provider Enumeration System (NPPES), file of Aug 9, 2026 (NPPES files on CMS.gov); NUCC Health Care Provider Taxonomy. Medicare files from data.cms.gov. An NPI identifies who bills; it is not a license.
Figures on PlainDoctor are read from the federal files each page names (CMS NPPES, Medicare Part D, MIPS, Open Payments; the HHS-OIG exclusion list only as counts) and from Census population estimates, with the file date shown beside them. See our editorial standards & corrections policy, the methodology behind these numbers, or report a data error. Data current as of Aug 9, 2026.