Nancy Thi Nguyen, MD
Gynecologic Oncology Physician · Sacramento, CA
Nancy Thi Nguyen, MD is a gynecologic oncology physician with a practice address in Sacramento, California, and NPI 1518379171, issued on May 29, 2014. Check the license (California A138197, as entered in NPPES) on the Medical Board of California; the Medicare figures below come from public CMS files.
- Name
- Nancy Thi Nguyen
- Credential
- MD
- Primary taxonomy
- Gynecologic Oncology Physician 207VX0201X
- License number
- A138197 CA
Self-reported in NPPES; status is on the state search - Practice location
- 4860 Y St Ste 2500, Sacramento, CA 95817
- Phone
- (510) 000-0000
- Enumerated
- May 29, 2014
- Record last updated
- Jun 10, 2020 (not updated in 6 years: call before relying on the address or phone)
- Medicare enrollment
- Enrolled (PECOS I20221005003774); accepts Medicare assignment
- Medical or professional school
- Oregon Health Sciences University School Of Medicine, 2014
- Telehealth
- Offers telehealth (CMS)
- Entity
- Type 1 · individual
8 nearest gynecologic oncology physician records → All 176 in California → Look up another NPI →
Also registered at 4860 Y St Ste 2500
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Nicole Ahmadi, MDObstetrics & Gynecology Physician1639759590
- Maryam Ali, MDStudent in an Organized Health Care Education/Training Program1003675430
- Sophia Alvarado, MDStudent in an Organized Health Care Education/Training Program1124887641
- Magdalena AnchondoStudent in an Organized Health Care Education/Training Program1780318196
- Alice Barr, MDGynecologic Oncology Physician1982109286
- Sloane Brazina, MDStudent in an Organized Health Care Education/Training Program1912588153
Verify Nancy Thi Nguyen in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersMedical Board of California
Search for license A138197Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
1% fewer Medicare Part D claims than the average gynecologic oncology physician in 2024
194 Medicare Part D claims for 29 beneficiaries, against an average of 195 among the 1,475 providers of this specialty who prescribed in Part D. Brand-name drugs were 23% of claims.
Most prescribed
- Ondansetron Hcl30 claims
- Dexamethasone25 claims
- Olanzapine19 claims
- Eliquis18 claims
- Lynparza16 claims
- Prochlorperazine Maleate16 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): 78.1 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: $1,449.87
5 payments; by number, the most common kind was food and beverage; the largest payer was Intuitive Surgical, Inc. The 1,199 providers of this specialty with any payment received $6,387.20 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 2 group practices
- Regents OF The Univ OF CASacramento, CA
- San Joaquin Faculty Medical GroupFrench Camp, CA
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Nancy Thi Nguyen among 176 gynecologic oncology physician records in California
Nancy Thi Nguyen, MD is one of 176 gynecologic oncology physician records with a practice address in California. 86% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2014, is newer than 85% of them.
- NPI issued2014 · 85% of these records are older, 14% newer
- In a Medicare fileYes · 86% of these records are
- In the CMS Doctors and Clinicians fileYes · 74% of these records are
- Graduated2014 · median 2004 among the 131 with a school on file
- Record last updated2020 · 56% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 207VX0201X and a California practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
Gynecologic Oncology Physician providers in California
There are 176 gynecologic oncology physician records in California.
All 176 in California → Every provider in Sacramento → Gynecologic Oncology Physician nationwide →
The 8 gynecologic oncology physician records with the nearest ZIP codes
- Alireza Abidi, M.D.Sacramento, CA 958171215919477
- Edwin Alvarez, M.D.Sacramento, CA 958171710197330
- Alice Barr, MDSacramento, CA 958171982109286
- Rebecca Brooks, MDSacramento, CA 958171316155781
- Hui ChenSacramento, CA 958171891056677
- Katherine Jane Chua, MDSacramento, CA 958171265922025
- Vanessa Kennedy, MDSacramento, CA 958171528229507
- Gary Leiserowitz, M.D.Sacramento, CA 958171871575142
Common questions
What is Nancy Thi Nguyen, MD's NPI number?
Nancy Thi Nguyen, MD's National Provider Identifier (NPI) is 1518379171, issued on May 29, 2014. An NPI identifies a provider in billing; it is not a license.
Where is Nancy Thi Nguyen, MD located?
The NPPES record lists a practice address at 4860 Y St Ste 2500, Sacramento, CA, 95817. Phone: (510) 000-0000. Providers update this record themselves, so call before visiting.
How can I verify Nancy Thi Nguyen, MD's license?
NPPES lists California license number A138197, 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 Nancy Thi Nguyen, MD prescribe under Medicare Part D?
In 2024, Nancy Thi Nguyen, MD had 194 Medicare Part D claims for 29 beneficiaries; the average among gynecologic oncology physician prescribers was 195. Part D covers Medicare prescriptions only.
What is Nancy Thi Nguyen, MD's MIPS final score?
The 2023 MIPS final score is 78.1 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.