Lily Khanh-Linh Thi Nguyen, MD
Obstetrics & Gynecology Physician · San Jose, CA
Lily Khanh-Linh Thi Nguyen, MD is an obstetrics & gynecology physician with a practice address in San Jose, California, and NPI 1285720342, issued on Oct 5, 2006. Check the license (California G78516, as entered in NPPES) on the Medical Board of California; the Medicare figures below come from public CMS files.
- Name
- Lily Khanh-Linh Thi Nguyen
- Credential
- MD
- Primary taxonomy
- Obstetrics & Gynecology Physician 207V00000X
- License number
- G78516 CA
Self-reported in NPPES; status is on the state search - Practice location
- 500 W Tully RD, San Jose, CA 95111
- Phone
- (408) 885-5553
- Enumerated
- Oct 5, 2006
- Record last updated
- Jul 9, 2007 (not updated in 19 years: call before relying on the address or phone)
- Medicaid ID
- 00G785160 CA
- Medicare enrollment
- Enrolled (PECOS I20100802000987); accepts Medicare assignment
- Entity
- Type 1 · individual
8 nearest obstetrics & gynecology physician records → All 5,088 in California → Look up another NPI →
Verify Lily Khanh-Linh Thi Nguyen in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersMedical Board of California
Search for license G78516Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
77% fewer Medicare Part D claims than the average obstetrics & gynecology physician in 2024
38 Medicare Part D claims for 12 beneficiaries, against an average of 165 among the 28,733 providers of this specialty who prescribed in Part D. Brand-name drugs were 45% of claims.
Most prescribed
- Medroxyprogesterone Acetate13 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 practice group's MIPS final score for 2023 (Medicare payment program): 80.6 of 100
The Merit-based Incentive Payment System score is reported for the practice group, not for one clinician alone. 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, group reporting; category weights for 2023 (qpp.cms.gov).
Industry payments in 2024: $43.72
2 payments; by number, the most common kind was food and beverage; the largest payer was Daiichi Sankyo Inc. The 21,429 providers of this specialty with any payment received $1,030.61 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 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).
Lily Khanh-Linh Thi Nguyen among 5,088 obstetrics & gynecology physician records in California
Lily Khanh-Linh Thi Nguyen, MD is one of 5,088 obstetrics & gynecology physician records with a practice address in California. 74% 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 5% of them.
- NPI issued2006 · 5% of these records are older, 52% newer
- In a Medicare fileYes · 74% of these records are
- In the CMS Doctors and Clinicians fileYes · 53% of these records are
- Graduated1992 · median 2004 among the 2,700 with a school on file
- Record last updated2007 · 64% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 207V00000X and a California practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
Obstetrics & Gynecology Physician providers in California
There are 5,088 obstetrics & gynecology physician records in California.
All 5,088 in California → Every provider in San Jose → Obstetrics & Gynecology Physician nationwide →
The 8 obstetrics & gynecology physician records with the nearest ZIP codes
- Jana Mannan, MDSan Jose, CA 951111750348710
- Madhur Bhatnagar, M.D.San Jose, CA 951121699705210
- Hsin-Pei Liu, MDSan Jose, CA 951121093718678
- Christopher Mele, MDSan Jose, CA 951121679539340
- Steven Vo, M.D.San Jose, CA 951121154450302
- Dale Capulong, MDSan Jose, CA 951161457458051
- Kathleen Fujino, MDSan Jose, CA 951161093778698
- Frederick Hopkins, M.D.San Jose, CA 951161902996069
Common questions
What is Lily Khanh-Linh Thi Nguyen, MD's NPI number?
Lily Khanh-Linh Thi Nguyen, MD's National Provider Identifier (NPI) is 1285720342, issued on Oct 5, 2006. An NPI identifies a provider in billing; it is not a license.
Where is Lily Khanh-Linh Thi Nguyen, MD located?
The NPPES record lists a practice address at 500 W Tully RD, San Jose, CA, 95111. Phone: (408) 885-5553. Providers update this record themselves, so call before visiting.
How can I verify Lily Khanh-Linh Thi Nguyen, MD's license?
NPPES lists California license number G78516, 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 Lily Khanh-Linh Thi Nguyen, MD prescribe under Medicare Part D?
In 2024, Lily Khanh-Linh Thi Nguyen, MD had 38 Medicare Part D claims for 12 beneficiaries; the average among obstetrics & gynecology physician prescribers was 165. Part D covers Medicare prescriptions only.
What is Lily Khanh-Linh Thi Nguyen, MD's MIPS final score?
The 2023 MIPS final score is 80.6 of 100, reported for the practice group. 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.