Neelan Joseph Marianayagam, MD, PHD
Neurological Surgery Physician · Stanford, CA
Neelan Joseph Marianayagam, MD, PHD is a neurological surgery physician with a practice address in Stanford, California, and NPI 1932547247, issued on Jun 8, 2013. Check the license (California C175135, as entered in NPPES) on the Medical Board of California; the Medicare figures below come from public CMS files.
- Name
- Neelan Joseph Marianayagam
- Credential
- MD, PHD
- Primary taxonomy
- Neurological Surgery Physician 207T00000X
- License number
- C175135 CA
Self-reported in NPPES; status is on the state search - Practice location
- 300 Pasteur Dr, Stanford, CA 94305
- Phone
- (650) 723-4000
- Enumerated
- Jun 8, 2013
- Record last updated
- Apr 26, 2024
- Medicare enrollment
- Enrolled (PECOS I20230404000696); accepts Medicare assignment
- Entity
- Type 1 · individual
8 nearest neurological surgery physician records → All 929 in California → Look up another NPI →
Also registered at 300 Pasteur Dr
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Cooper Aakhus, MDEmergency Medicine Physician1194351007
- Oliver Aalami, M.D.Vascular Surgery Physician1225229024
- Alistair Aaronson, MDInternal Medicine Physician1457628760
- Sumaira Aasi, MDMOHS-Micrographic Surgery Physician1780675181
- Fahim Abbasi, M.D.Internal Medicine Physician1841484037
- Mohamad Abbass, MDNeurological Surgery Physician1679492151
Verify Neelan Joseph Marianayagam in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersMedical Board of California
Search for license C175135Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
Bills Medicare through one group practice
- County OF Santa ClaraSan Jose, CA
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Neelan Joseph Marianayagam among 929 neurological surgery physician records in California
Neelan Joseph Marianayagam, MD, PHD is one of 929 neurological surgery physician records with a practice address in California. 77% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2013, is newer than 74% of them.
- NPI issued2013 · 74% of these records are older, 24% newer
- In a Medicare fileYes · 77% of these records are
- In the CMS Doctors and Clinicians fileYes · 66% of these records are
- Graduated2013 · median 2005 among the 612 with a school on file
- Record last updated2024 · 55% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 207T00000X and a California practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
89 neurological surgery physician records list a practice address in Stanford
They are 89 of the 5,606 NPPES records with a practice address in Stanford, and 929 neurological surgery physician records in California.
All 929 in California → Every provider in Stanford → Neurological Surgery Physician nationwide →
The 8 neurological surgery physician records with the nearest ZIP codes
- John Adler, MDStanford, CA 943051780736199
- Steven Chang, MDStanford, CA 943051437214046
- Atman Desai, MDPalo Alto, CA 943051356444822
- Robert Dodd, MD, PHDStanford, CA 943051134276777
- Gerald Grant, M.DStanford, CA 943051689646796
- Odette Harris, MDStanford, CA 943051144237009
- Syed Karim, MD.Stanford, CA 943051619991023
- Robert Lieberson, MDStanford, CA 943051598863326
Common questions
What is Neelan Joseph Marianayagam, MD, PHD's NPI number?
Neelan Joseph Marianayagam, MD, PHD's National Provider Identifier (NPI) is 1932547247, issued on Jun 8, 2013. An NPI identifies a provider in billing; it is not a license.
Where is Neelan Joseph Marianayagam, MD, PHD located?
The NPPES record lists a practice address at 300 Pasteur Dr, Stanford, CA, 94305. Phone: (650) 723-4000. Providers update this record themselves, so call before visiting.
How can I verify Neelan Joseph Marianayagam, MD, PHD's license?
NPPES lists California license number C175135, 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.
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.