Yvette Lam-Tsai, M.D.
Gastroenterology Physician · Sun City, AZ
Yvette Lam-Tsai, M.D. is a gastroenterology physician with a practice address in Sun City, Arizona, and NPI 1518147701, issued on Nov 6, 2007. Check the license (Arizona 48670, as entered in NPPES) on the Arizona Medical Board; the Medicare figures below come from public CMS files.
- Name
- Yvette Lam-Tsai
- Credential
- M.D.
- Primary taxonomy
- Gastroenterology Physician 207RG0100X
- License numbers
- 48670 AZ
242215 NY
Self-reported in NPPES; status is on the state search - Practice location
- 13640 N 99TH Ave, Sun City, AZ 85351
- Phone
- (623) 972-2116
- Enumerated
- Nov 6, 2007
- Record last updated
- Feb 16, 2017 (not updated in 9 years: call before relying on the address or phone)
- Fax
- (623) 972-0521
- Medicare enrollment
- Enrolled (PECOS I20140416001921); accepts Medicare assignment
- Medical or professional school
- State University Of New York Downstate Medical Center, 2011
- Telehealth
- Offers telehealth (CMS)
- Entity
- Type 1 · individual
8 nearest gastroenterology physician records → All 403 in Arizona → Look up another NPI →
Also registered at 13640 N 99TH Ave
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Doris AlvarezAcute Care Nurse Practitioner1407272818
- Patricia Carroll, M.D.Dermatology Physician1124008255
- Dina Gibson, FNPFamily Nurse Practitioner1063998912
- Daryl Hutchinson, M.D.Gastroenterology Physician1881689792
- Nicholas Thompson, PHYSICIAN ASSISTANTPhysician Assistant1326344185
Verify Yvette Lam-Tsai in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersArizona Medical Board
Search for license 48670Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
82% more Medicare Part D claims than the average gastroenterology physician in 2024
1,476 Medicare Part D claims for 508 beneficiaries, against an average of 811 among the 16,445 providers of this specialty who prescribed in Part D.
Most prescribed
- Pantoprazole Sodium285 claims
- Omeprazole237 claims
- Dicyclomine Hcl131 claims
- Famotidine91 claims
- Hydrocortisone48 claims
- Linzess44 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.
No measured MIPS final score for 2023
CMS assigned the neutral MIPS final score of 75 without scoring Quality, Cost, Promoting Interoperability or Improvement Activities. It is an administrative threshold, so PlainDoctor does not compare it with measured clinicians.
Source: CMS Quality Payment Program, MIPS performance year 2023, group reporting; category weights for 2023 (qpp.cms.gov).
Industry payments in 2024: $1,068.76
44 payments; by number, the most common kind was food and beverage; the largest payer was Abbvie Inc. The 13,350 providers of this specialty with any payment received $5,015.95 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
- Arizona Digestive Health PCSun City, AZ
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Yvette Lam-Tsai among 403 gastroenterology physician records in Arizona
Yvette Lam-Tsai, M.D. is one of 403 gastroenterology physician records with a practice address in Arizona. 84% 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 59% of them.
- NPI issued2007 · 59% of these records are older, 31% newer
- In a Medicare fileYes · 84% of these records are
- In the CMS Doctors and Clinicians fileYes · 73% of these records are
- Graduated2011 · median 2001 among the 295 with a school on file
- Record last updated2017 · 47% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 207RG0100X and a Arizona practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
Gastroenterology Physician providers in Arizona
There are 403 gastroenterology physician records in Arizona.
All 403 in Arizona → Every provider in Sun City → Gastroenterology Physician nationwide →
The 8 gastroenterology physician records with the nearest ZIP codes
- Parag Chokshi, MDSun City, AZ 853511144243510
- Keng-Yu Chuang, M.D.Sun City, AZ 853511730380676
- Daryl Hutchinson, M.D.Sun City, AZ 853511881689792
- Ramkrishna Kothur, M.D.Sun City, AZ 853511922113075
- David Winston, M.D.Sun City, AZ 853511982674644
- Divesh Anireddy, MDYuma, AZ 853641427094770
- Kenneth Diamond, MDYuma, AZ 853641164465688
- Harsh DuphareYuma, AZ 853641598775611
Common questions
What is Yvette Lam-Tsai, M.D.'s NPI number?
Yvette Lam-Tsai, M.D.'s National Provider Identifier (NPI) is 1518147701, issued on Nov 6, 2007. An NPI identifies a provider in billing; it is not a license.
Where is Yvette Lam-Tsai, M.D. located?
The NPPES record lists a practice address at 13640 N 99TH Ave, Sun City, AZ, 85351. Phone: (623) 972-2116. Providers update this record themselves, so call before visiting.
How can I verify Yvette Lam-Tsai, M.D.'s license?
NPPES lists Arizona license number 48670, as entered by the provider. Search the Arizona Medical Board at https://www.azmd.gov/. The NPPES record confirms identity only; the state search shows license status, expiration and public orders.
How much does Yvette Lam-Tsai, M.D. prescribe under Medicare Part D?
In 2024, Yvette Lam-Tsai, M.D. had 1,476 Medicare Part D claims for 508 beneficiaries; the average among gastroenterology physician prescribers was 811. Part D covers Medicare prescriptions only.
What is Yvette Lam-Tsai, M.D.'s MIPS final score?
CMS assigned the neutral MIPS final score of 75 for 2023 without scoring any category, so it is not a measured result.
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.