Nader Fathi Wassef, MD
Psychiatry Physician · Napa, CA
Nader Fathi Wassef, MD is a psychiatry physician with a practice address in Napa, California, and NPI 1902945611, issued on Feb 6, 2007. Check the license (California A80505, as entered in NPPES) on the Medical Board of California; the Medicare figures below come from public CMS files.
- Name
- Nader Fathi Wassef
- Credential
- MD
- Primary taxonomy
- Psychiatry Physician 2084P0800X
- License number
- A80505 CA
Self-reported in NPPES; status is on the state search - Practice location
- 2100 Napa Vallejo Hwy, Napa, CA 94558
- Phone
- (707) 253-5551
- Enumerated
- Feb 6, 2007
- Record last updated
- Jan 7, 2015 (not updated in 11 years: call before relying on the address or phone)
- Entity
- Type 1 · individual
8 nearest psychiatry physician records → All 8,673 in California → Look up another NPI →
Also registered at 2100 Napa Vallejo Hwy
A shared address usually means a shared clinic or building; it does not show who employs whom.
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- Elizabeth Agbuya, O.D.Optometrist1104350651
- Mamuna Ahmad, M.D.Psychiatry Physician1124405162
- Ali Akhavan, MDInternal Medicine Physician1013943174
- Barbara Bachmeier, PSYDClinical Psychologist1902039829
Verify Nader Fathi Wassef in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersMedical Board of California
Search for license A80505Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
85% fewer Medicare Part D claims than the average psychiatry physician in 2024
149 Medicare Part D claims, against an average of 1,000 among the 35,054 providers of this specialty who prescribed in Part D. Brand-name drugs were 17% of claims.
Most prescribed
- Atorvastatin Calcium23 claims
- Olanzapine16 claims
- Levothyroxine Sodium14 claims
- Haloperidol Lactate13 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.
Nader Fathi Wassef among 8,673 psychiatry physician records in California
Nader Fathi Wassef, MD is one of 8,673 psychiatry physician records with a practice address in California. 67% 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 33% of them.
- NPI issued2007 · 33% of these records are older, 48% newer
- In a Medicare fileYes · 67% of these records are
- In the CMS Doctors and Clinicians fileNo · 38% of these records are
- Record last updated2015 · 54% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 2084P0800X and a California practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
97 psychiatry physician records list a practice address in Napa
They are 97 of the 3,583 NPPES records with a practice address in Napa, and 8,673 psychiatry physician records in California.
All 8,673 in California → Every provider in Napa → Psychiatry Physician nationwide →
The 8 psychiatry physician records with the nearest ZIP codes
- Noorulain Aqeel, MDNapa, CA 945581811949944
- Victoria Cabanela, M.D.Napa, CA 945581407808819
- Lilian Dalida, MDNapa, CA 945581235181637
- Richard Frishman, MDNapa, CA 945581174507347
- Ahmed Haggag, MDNapa, CA 945581225080674
- Ernest Hanes, M. D.Napa, CA 945581659361574
- Eric Khoury, MDNapa, CA 945581972555274
- Sunil Kishan, MDNapa, CA 945581578515979
Common questions
What is Nader Fathi Wassef, MD's NPI number?
Nader Fathi Wassef, MD's National Provider Identifier (NPI) is 1902945611, issued on Feb 6, 2007. An NPI identifies a provider in billing; it is not a license.
Where is Nader Fathi Wassef, MD located?
The NPPES record lists a practice address at 2100 Napa Vallejo Hwy, Napa, CA, 94558. Phone: (707) 253-5551. Providers update this record themselves, so call before visiting.
How can I verify Nader Fathi Wassef, MD's license?
NPPES lists California license number A80505, 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 Nader Fathi Wassef, MD prescribe under Medicare Part D?
In 2024, Nader Fathi Wassef, MD had 149 Medicare Part D claims; the average among psychiatry physician prescribers was 1,000. 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.