Georges Naasan, M.D.
Neurology Physician · San Francisco, CA
Georges Naasan, M.D. is a neurology physician with a practice address in San Francisco, California, and NPI 1790985976, issued on Jul 24, 2007. Check the license (California A115759, as entered in NPPES) on the Medical Board of California; the Medicare figures below come from public CMS files.
- Name
- Georges Naasan
- Credential
- M.D.
- Primary taxonomy
- Neurology Physician 2084N0400X
- License number
- A115759 CA
Self-reported in NPPES; status is on the state search - Practice location
- 350 Parnassus Suite 905, San Francisco, CA 94143
- Phone
- (415) 502-0551
- Enumerated
- Jul 24, 2007
- Record last updated
- Aug 17, 2011 (not updated in 15 years: call before relying on the address or phone)
- Medicare enrollment
- Enrolled (PECOS I20200113002104); accepts Medicare assignment
- Telehealth
- Offers telehealth (CMS)
- Entity
- Type 1 · individual
8 nearest neurology physician records → All 2,339 in California → Look up another NPI →
Verify Georges Naasan in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersMedical Board of California
Search for license A115759Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
16% fewer Medicare Part D claims than the average neurology physician in 2024
1,148 Medicare Part D claims for 176 beneficiaries, against an average of 1,370 among the 15,005 providers of this specialty who prescribed in Part D. Brand-name drugs were 4% of claims.
Most prescribed
- Donepezil Hcl371 claims
- Escitalopram Oxalate217 claims
- Galantamine Er149 claims
- Quetiapine Fumarate101 claims
- Rivastigmine65 claims
- Trazodone Hcl39 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.
Bills Medicare through one group practice
- Icahn School OF Medicine AT Mount SinaiNew York, NY
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Georges Naasan among 2,339 neurology physician records in California
Georges Naasan, M.D. is one of 2,339 neurology physician records with a practice address in California. 81% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2007, is newer than 41% of them.
- NPI issued2007 · 41% of these records are older, 48% newer
- In a Medicare fileYes · 81% of these records are
- In the CMS Doctors and Clinicians fileYes · 70% of these records are
- Graduated2006 · median 2006 among the 1,628 with a school on file
- Record last updated2011 · 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 2084N0400X and a California practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
Neurology Physician providers in California
There are 2,339 neurology physician records in California.
All 2,339 in California → Every provider in San Francisco → Neurology Physician nationwide →
The 8 neurology physician records with the nearest ZIP codes
- Adam Boxer, M.D.San Francisco, CA 941431841231800
- Dorothee Chabas Chanezon, M.D.San Francisco, CA 941431902832645
- Anthony Chen, MDSan Francisco, CA 941431609834472
- Jacob Elkins, M.D.San Francisco, CA 941431336180298
- Adam Gazzaley, MD PH DSan Francisco, CA 941431932142205
- John Hixson, MDSan Francisco, CA 941431336130475
- Catherine Hoerth, M.D.San Francisco, CA 941431063449866
- Viktoriya Irodenko, M.D.San Francisco, CA 941431023044997
Common questions
What is Georges Naasan, M.D.'s NPI number?
Georges Naasan, M.D.'s National Provider Identifier (NPI) is 1790985976, issued on Jul 24, 2007. An NPI identifies a provider in billing; it is not a license.
Where is Georges Naasan, M.D. located?
The NPPES record lists a practice address at 350 Parnassus Suite 905, San Francisco, CA, 94143. Phone: (415) 502-0551. Providers update this record themselves, so call before visiting.
How can I verify Georges Naasan, M.D.'s license?
NPPES lists California license number A115759, 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 Georges Naasan, M.D. prescribe under Medicare Part D?
In 2024, Georges Naasan, M.D. had 1,148 Medicare Part D claims for 176 beneficiaries; the average among neurology physician prescribers was 1,370. 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.