Nancy Hsiao, M.D.
Internal Medicine Physician · Las Vegas, NV
Nancy Hsiao, M.D. is an internal medicine physician with a practice address in Las Vegas, Nevada, and NPI 1497807622, issued on Jan 17, 2007. Check the license (Nevada 8693, as entered in NPPES) on the Nevada State Board of Medical Examiners; the Medicare figures below come from public CMS files.
- Name
- Nancy Hsiao
- Credential
- M.D.
- Primary taxonomy
- Internal Medicine Physician 207R00000X
- License number
- 8693 NV
Self-reported in NPPES; status is on the state search - Practice location
- 7918 W Sahara Ave, Las Vegas, NV 89117
- Phone
- (702) 360-6148
- Enumerated
- Jan 17, 2007
- Record last updated
- Feb 19, 2010 (not updated in 16 years: call before relying on the address or phone)
- Fax
- (702) 360-2879
- Medicaid ID
- 100507668 NV
- Medicare enrollment
- Enrolled (PECOS I20060109000330); accepts Medicare assignment
- Medical or professional school
- University Of California, Irvine, California College Of Medicine, 1995
- Telehealth
- Offers telehealth (CMS)
- Entity
- Type 1 · individual
8 nearest internal medicine physician records → All 1,229 in Nevada → Look up another NPI →
Also registered at 7918 W Sahara Ave
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Li Guo, M.D.Internal Medicine Physician1063482552
- Wei Zheng, M.D.Family Medicine Physician1144290644
Verify Nancy Hsiao in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersNevada State Board of Medical Examiners
Search for license 8693Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
26% more Medicare Part D claims than the average internal medicine physician in 2024
3,991 Medicare Part D claims for 268 beneficiaries, against an average of 3,176 among the 108,855 providers of this specialty who prescribed in Part D. Brand-name drugs were 14% of claims. 20 claims were for opioids.
Most prescribed
- Losartan Potassium300 claims
- Atorvastatin Calcium290 claims
- Amlodipine Besylate265 claims
- Metformin Hcl152 claims
- Levothyroxine Sodium131 claims
- Omeprazole99 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): 96.3 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: $1,190.27
49 payments; by number, the most common kind was food and beverage; the largest payer was Gilead Sciences, Inc. The 50,334 providers of this specialty with any payment received $1,303.06 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
- LI Yee Guo MD LtdLas Vegas, NV
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Nancy Hsiao among 1,229 internal medicine physician records in Nevada
Nancy Hsiao, M.D. is one of 1,229 internal medicine physician records with a practice address in Nevada. 82% 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, 50% newer
- In a Medicare fileYes · 82% of these records are
- In the CMS Doctors and Clinicians fileYes · 63% of these records are
- Graduated1995 · median 2006 among the 772 with a school on file
- Record last updated2010 · 43% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 207R00000X and a Nevada practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
716 internal medicine physician records list a practice address in Las Vegas
They are 716 of the 65,269 NPPES records with a practice address in Las Vegas, and 1,229 internal medicine physician records in Nevada.
All 1,229 in Nevada → Every provider in Las Vegas → Internal Medicine Physician nationwide →
The 8 internal medicine physician records with the nearest ZIP codes
- Maria Carmina Arrastia, M.D.Las Vegas, NV 891171285635573
- Ira Copeland, MDLas Vegas, NV 891171487627915
- Miguel Gonzalez, MDLas Vegas, NV 891171376525352
- Li Guo, M.D.Las Vegas, NV 891171063482552
- Mark Hyndman, M.D.Las Vegas, NV 891171992795249
- Ritu Joshi, MDLas Vegas, NV 891171679563241
- Muhammad Khan, MDLas Vegas, NV 891171790730398
- Joseph Lee, MDLas Vegas, NV 891171891778056
Common questions
What is Nancy Hsiao, M.D.'s NPI number?
Nancy Hsiao, M.D.'s National Provider Identifier (NPI) is 1497807622, issued on Jan 17, 2007. An NPI identifies a provider in billing; it is not a license.
Where is Nancy Hsiao, M.D. located?
The NPPES record lists a practice address at 7918 W Sahara Ave, Las Vegas, NV, 89117. Phone: (702) 360-6148. Providers update this record themselves, so call before visiting.
How can I verify Nancy Hsiao, M.D.'s license?
NPPES lists Nevada license number 8693, as entered by the provider. Search the Nevada State Board of Medical Examiners at https://medboard.nv.gov/. The NPPES record confirms identity only; the state search shows license status, expiration and public orders.
How much does Nancy Hsiao, M.D. prescribe under Medicare Part D?
In 2024, Nancy Hsiao, M.D. had 3,991 Medicare Part D claims for 268 beneficiaries; the average among internal medicine physician prescribers was 3,176. Part D covers Medicare prescriptions only.
What is Nancy Hsiao, M.D.'s MIPS final score?
The 2023 MIPS final score is 96.3 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.