Darith S. Khay, M.D.
Family Medicine Physician · San Jose, CA
Darith S. Khay, M.D. is a family medicine physician with a practice address in San Jose, California, and NPI 1295761609, issued on Jun 25, 2006. Check the license (California A67883, as entered in NPPES) on the Medical Board of California; the Medicare figures below come from public CMS files.
- Name
- Darith S. Khay
- Credential
- M.D.
- Primary taxonomy
- Family Medicine Physician 207Q00000X
- License number
- A67883 CA
Self-reported in NPPES; status is on the state search - Practice location
- 200 Jose Figueres Ave, San Jose, CA 95116
- Phone
- (408) 254-1500
- Enumerated
- Jun 25, 2006
- Record last updated
- Nov 13, 2009 (not updated in 17 years: call before relying on the address or phone)
- Fax
- (408) 254-4100
- Medicaid ID
- 00A678830 CA
- Medicare enrollment
- Enrolled (PECOS I20060227000410); accepts Medicare assignment
- Medical or professional school
- University Of Hawaii John A. Burns School Of Medicine, 1996
- Entity
- Type 1 · individual
8 nearest family medicine physician records → All 17,133 in California → Look up another NPI →
Also registered at 200 Jose Figueres Ave
A shared address usually means a shared clinic or building; it does not show who employs whom.
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Verify Darith S. Khay in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersMedical Board of California
Search for license A67883Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
3.3 times the Medicare Part D claims of the average family medicine physician in 2024
11,872 Medicare Part D claims for 400 beneficiaries, against an average of 3,544 among the 117,163 providers of this specialty who prescribed in Part D. Brand-name drugs were 14% of claims. 269 claims were for opioids.
Most prescribed
- Atorvastatin Calcium858 claims
- Losartan Potassium693 claims
- Amlodipine Besylate647 claims
- Omeprazole381 claims
- Ezetimibe335 claims
- Tradjenta257 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.
Industry payments in 2024: $137.81
2 payments; by number, the most common kind was food and beverage; the largest payer was AstraZeneca Pharmaceuticals LP. The 55,478 providers of this specialty with any payment received $902.55 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.
Darith S. Khay among 17,133 family medicine physician records in California
Darith S. Khay, M.D. is one of 17,133 family medicine 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 2006, is newer than 6% of them.
- NPI issued2006 · 6% of these records are older, 59% newer
- In a Medicare fileYes · 81% of these records are
- In the CMS Doctors and Clinicians fileYes · 62% of these records are
- Graduated1996 · median 2005 among the 10,652 with a school on file
- Record last updated2009 · 58% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 207Q00000X and a California practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
265 family medicine physician records list a practice address in San Jose
They are 265 of the 20,925 NPPES records with a practice address in San Jose, and 17,133 family medicine physician records in California.
All 17,133 in California → Every provider in San Jose → Family Medicine Physician nationwide →
The 8 family medicine physician records with the nearest ZIP codes
- Sekhar Ujwala Eadula, M.D.San Jose, CA 951161427313345
- Elena Ermakova, MDSan Jose, CA 951161932322112
- Joshua Lopez, D.O.San Jose, CA 951161629288766
- James Luu, D.O.San Jose, CA 951161104915198
- Chau Nguyen, M.D.San Jose, CA 951161285612028
- Hai Nguyen, M.D.San Jose, CA 951161326079997
- Vu Nguyen, D.O.San Jose, CA 951161225063290
- Trung Nguyen, M.D.San Jose, CA 951161245306794
Common questions
What is Darith S. Khay, M.D.'s NPI number?
Darith S. Khay, M.D.'s National Provider Identifier (NPI) is 1295761609, issued on Jun 25, 2006. An NPI identifies a provider in billing; it is not a license.
Where is Darith S. Khay, M.D. located?
The NPPES record lists a practice address at 200 Jose Figueres Ave, San Jose, CA, 95116. Phone: (408) 254-1500. Providers update this record themselves, so call before visiting.
How can I verify Darith S. Khay, M.D.'s license?
NPPES lists California license number A67883, 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 Darith S. Khay, M.D. prescribe under Medicare Part D?
In 2024, Darith S. Khay, M.D. had 11,872 Medicare Part D claims for 400 beneficiaries; the average among family medicine physician prescribers was 3,544. 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.