Andrew Rathnasamy Xavier, MD
Vascular Neurology Physician · Mountain View, CA
Andrew Rathnasamy Xavier, MD is a vascular neurology physician with a practice address in Mountain View, California, and NPI 1124097225, issued on Mar 14, 2006. Check the license (California C169966, as entered in NPPES) on the Medical Board of California; the Medicare figures below come from public CMS files.
- Name
- Andrew Rathnasamy Xavier
- Credential
- MD
- Primary taxonomy
- Vascular Neurology Physician 2084V0102X
- License numbers
- C169966 CA
4301088851 MI
Self-reported in NPPES; status is on the state search - Practice location
- 2495 Hospital Dr Ste 450, Mountain View, CA 94040
- Phone
- (408) 871-3400
- Enumerated
- Mar 14, 2006
- Record last updated
- Apr 18, 2025
- Fax
- (650) 643-0026
- Medicare enrollment
- Enrolled (PECOS I20240104002165); accepts Medicare assignment
- Telehealth
- Offers telehealth (CMS)
- Entity
- Type 1 · individual
8 nearest vascular neurology physician records → All 74 in California → Look up another NPI →
Also registered at 2495 Hospital Dr Ste 450
A shared address usually means a shared clinic or building; it does not show who employs whom.
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- Patricia Yeh, M.D.Internal Medicine Physician1194921668
Verify Andrew Rathnasamy Xavier in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersMedical Board of California
Search for license C169966Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
86% fewer Medicare Part D claims than the average vascular neurology physician in 2024
37 Medicare Part D claims for 19 beneficiaries, against an average of 270 among the 598 providers of this specialty who prescribed in Part D. Brand-name drugs were 32% of claims.
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.
The MIPS final score for 2023 (Medicare payment program): 97.6 of 100
The Merit-based Incentive Payment System score is reported for this clinician. Four categories are weighted into the final score; the average among 454,083 clinicians with a measured score was 83.5.
Source: CMS Quality Payment Program, MIPS performance year 2023; category weights for 2023 (qpp.cms.gov).
Industry payments in 2024: $692.05
10 payments; by number, the most common kind was food and beverage; the largest payer was DePuy Synthes Sales Inc. The 461 providers of this specialty with any payment received $3,770.65 on average. Payments are reported by manufacturers, not by the provider, and are not a sign of wrongdoing.
Source: CMS Open Payments, program year 2024 (openpaymentsdata.cms.gov); average among providers of this specialty with at least one payment.
Bills Medicare through 2 group practices
- EL Camino Health Medical Network LLCMountain View, CA
- Neuro Team One PLLCBingham Farms, MI
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Andrew Rathnasamy Xavier among 74 vascular neurology physician records in California
Andrew Rathnasamy Xavier, MD is one of 74 vascular neurology physician records with a practice address in California. 89% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2006, is newer than 1% of them.
- NPI issued2006 · 1% of these records are older, 82% newer
- In a Medicare fileYes · 89% of these records are
- In the CMS Doctors and Clinicians fileYes · 82% of these records are
- Graduated1988 · median 2009 among the 61 with a school on file
- Record last updated2025 · 32% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 2084V0102X and a California practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
Vascular Neurology Physician providers in California
There are 74 vascular neurology physician records in California.
All 74 in California → Every provider in Mountain View → Vascular Neurology Physician nationwide →
The 8 vascular neurology physician records with the nearest ZIP codes
- Peter Fung, M.D., F.A.C.P.Sunnyvale, CA 940851962449538
- Nobl Barazangi, M.D.San Francisco, CA 941091609893437
- Charlene Chen, M.D.San Francisco, CA 941091831386846
- Smita Holden, MDSan Francisco, CA 941091205221843
- Michael Ke, MDSan Francisco, CA 941091326351446
- Song Kim, M.D.San Francisco, CA 941091104280056
- Deanne Loube, MDSan Francisco, CA 941091447713854
- Ilanit Spokoyny, M.D.San Francisco, CA 941091851680995
Common questions
What is Andrew Rathnasamy Xavier, MD's NPI number?
Andrew Rathnasamy Xavier, MD's National Provider Identifier (NPI) is 1124097225, issued on Mar 14, 2006. An NPI identifies a provider in billing; it is not a license.
Where is Andrew Rathnasamy Xavier, MD located?
The NPPES record lists a practice address at 2495 Hospital Dr Ste 450, Mountain View, CA, 94040. Phone: (408) 871-3400. Providers update this record themselves, so call before visiting.
How can I verify Andrew Rathnasamy Xavier, MD's license?
NPPES lists California license number C169966, 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 Andrew Rathnasamy Xavier, MD prescribe under Medicare Part D?
In 2024, Andrew Rathnasamy Xavier, MD had 37 Medicare Part D claims for 19 beneficiaries; the average among vascular neurology physician prescribers was 270. Part D covers Medicare prescriptions only.
What is Andrew Rathnasamy Xavier, MD's MIPS final score?
The 2023 MIPS final score is 97.6 of 100. The average among 454,083 clinicians with a measured score was 83.5.
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.