ComorbidityMycobacterium tuberculosisPsoas Abscess
Dr. Tammy Tsz Yan Lai, MD
NPI1952536468
- Part D claims, 2024
- 165
- Publications
- 2
- Hospital affiliations
- 1
- Medical group
- 1
- State license
- 1
- Practice address
- 710 Lawrence Expy, Santa Clara, CA 95051
- Practice phone
- Call (408) 851-3841
- Professional email
- Get professional email
- Personal email
- Get personal email
- Mobile number
- Get mobile number
Primary practice
Santa Clara Medical Center
Santa Clara, California
Find Dr. Lai's professional email, personal email and mobile number
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Dr. Tammy Tsz Yan Lai is an internist in Santa Clara, California
Dr. Lai practices at Santa Clara Medical Center in Santa Clara, California.
Dr. Lai's NPI, 1952536468, was assigned on May 28, 2009. Dr. Lai graduated from New York Medical College in 2006. Dr. Lai's California license number on file is A102434.
NPI and contact details
- NPI
- 1952536468NPI Registry (opens in a new tab)
- NPI enumeration date
- May 28, 2009
- NPI status
- Active
- Practice phone
- (408) 851-3841
- Professional email
- Get email
- Personal email
- Get email
- Mobile number
- Get number
- Sex
- Female
- Estimated age
- 46
- Medical school graduation
- 2006
Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; and Dmand AI Practice Data
Dr. Tammy Tsz Yan Lai practices at Santa Clara Medical Center in Santa Clara, California
Dr. Lai's primary practice is Santa Clara Medical Center, at 710 Lawrence Expy, Santa Clara, CA 95051 in Santa Clara County. The practice phone is (408) 851-3841.
- Santa Clara Medical Center710 Lawrence Expy, Santa Clara, CA 95051 · Santa Clara CountyPhone(408) 851-3841
Sources: NPPES NPI Registry (CMS); and Dmand AI Practice Data
Dr. Tammy Tsz Yan Lai is affiliated with 2 sites of care and 1 medical group
Dr. Lai's primary practice is Santa Clara Medical Center in Santa Clara, California. Dr. Lai is also affiliated with California Pacific Medical Center Van Ness Campus. The medical group on file is The Permanente Medical Group, Inc.
Santa Clara Medical CenterPrimary
Sources: NPPES NPI Registry (CMS); Dmand AI Practice Data; Dmand AI Affiliation Data; and Dmand AI Org Hierarchy Data
Dmand AI tracks the EHR system at Dr. Tammy Tsz Yan Lai's practice
Dmand AI tracks the electronic health record (EHR) system at each site where Dr. Lai practices. Vendor and product names are available with a free account.
| Site | EHR vendor and product |
|---|---|
| Santa Clara Medical Center | Available with a free account |
| +1 more affiliated site | Available with a free account |
Source: Dmand AI Technology Install Data
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Dr. Tammy Tsz Yan Lai is one of 16,751 internists in California
Internal medicine is Dr. Lai's primary specialty in the NPI Registry, under taxonomy code 207R00000X. Dr. Lai is board certified in internal medicine by the American Board of Internal Medicine. Dr. Lai has a license on file in California.
Specialties and state licenses
- Internal medicine, CaliforniaPrimary
Clinical focus
Dmand AI lists acne, chronic diabetes, conjunctivitis and lower back pain among the conditions Dr. Lai treats.
Internists near Dr. Lai
Counts of internists with a Dmand AI profile, by place and practice. Each opens the list.
Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; and Dmand AI Peer Benchmarks
Dr. Tammy Tsz Yan Lai's patients have a median age of 46
Across all payers, Dmand AI patient panel data puts Dr. Lai's median patient age at 46, with 50% women.
Dr. Lai's patients across all payers
Dmand AI patient panel data covers Medicare, Medicaid and commercial patients.
Patient panel by age, all payers
Median age 46
Patient panel by sex, all payers
- Women50%
- Men44%
Source: Dmand AI Patient Panel Data
Dr. Tammy Tsz Yan Lai wrote 165 Medicare Part D claims in 2024
In 2024, Dr. Lai wrote 165 Medicare Part D claims for 84 patients. 93% of them were for generic drugs. CMS names the drug for 38 of them, across 3 drugs with 11 or more claims each, at $537 in total drug cost. In 2023, CMS named 1,012 claims across 35 drugs.
Part D claims, 2024165
Drugs named by CMS3
Total drug cost$537
Part D patients84
Dr. Lai's Part D claims by kind of drug, 2024
- Generic154 claims93%
- Brand-name and other11 claims7%
Dr. Lai's most prescribed drugs by claims, 2024
CMS names a drug when it has 11 or more claims. Share is of the claims for drugs CMS names.
Part D claims for drugs CMS names, 2023 to 2024
- 2023
- 2024
- Claims for drugs CMS names
- 2023: 1,0122024: 3896%
Drugs named by CMS: 3 in 2024, 35 in 2023.
Sources: Medicare Part D Prescribers - by Provider and Drug (CMS), 2024 data, released May 6, 2026; and Medicare Part D Prescribers - by Provider (CMS), 2024 data
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Dr. Tammy Tsz Yan Lai has 2 publications on record
Dmand AI links 2 papers to Dr. Lai. Dr. Lai's most frequent co-authors are Paul B. Aronowitz, MD and Shelley Merle Gordon, MD.
Papers2
Dr. Lai's most frequent co-authors
Recent publications by Dr. Lai
See who Dr. Lai researches with
Physician Network Discovery turns co-authorship, shared hospitals and shared groups into a map of who Dr. Lai works with, so you can find a warm path to the right internists.
Sources: PubMed (National Library of Medicine); and Dmand AI Research Linkage
Dr. Tammy Tsz Yan Lai graduated from New York Medical College
Dr. Lai graduated from New York Medical College in 2006.
- Medical school
- Board certified in internal medicine
Source: Dmand AI Professional Profile Data
Sources for Dr. Tammy Tsz Yan Lai's profile data
| Data on this page | Source |
|---|---|
| NPI, name, sex, specialty and licenses | NPPES NPI Registry (CMS) (opens in a new tab)Dmand AI Professional Profile Data |
| Practice locations and phone | NPPES NPI Registry (CMS) (opens in a new tab)Dmand AI Practice Data |
| Primary practice, affiliations and health system | NPPES NPI Registry (CMS) (opens in a new tab)Dmand AI Practice DataDmand AI Affiliation DataDmand AI Org Hierarchy Data |
| Medicare patients and the all-payer patient panel | Dmand AI Patient Panel Data |
| Part D prescribing | Medicare Part D Prescribers - by Provider and Drug (CMS) (opens in a new tab)Medicare Part D Prescribers - by Provider (CMS) (opens in a new tab) |
| Publications, topics and co-authors | PubMed (National Library of Medicine) (opens in a new tab)Dmand AI Research Linkage |
| Training, board certification and memberships | Dmand AI Professional Profile Data |
| EHR at each practice site | Dmand AI Technology Install Data |
| Similar physicians | Dmand AI Affiliation Data |
Data last refreshed October 2026Report an inaccuracyRemove my information
FAQ
Frequently asked questions about Dr. Tammy Tsz Yan Lai
Spotted something out of date? Email hello@dmand.ai and we will check the record. Contact details live in the free trial.
What is Dr. Tammy Tsz Yan Lai's NPI number?
Dr. Tammy Tsz Yan Lai's NPI number is 1952536468. It was assigned on May 28, 2009, and it is active in the NPI Registry.
What kind of doctor is Dr. Tammy Tsz Yan Lai?
Dr. Tammy Tsz Yan Lai is an internist in Santa Clara, California. The primary specialty in the NPI Registry is Internal Medicine Physician (taxonomy code 207R00000X).
Where does Dr. Tammy Tsz Yan Lai practice?
Dr. Lai practices at 710 Lawrence Expy, Santa Clara, CA 95051. Dr. Lai's primary practice is Santa Clara Medical Center in Santa Clara, California.
What is Dr. Tammy Tsz Yan Lai's office phone number?
The practice phone on file for Dr. Lai is (408) 851-3841.
What is Dr. Tammy Tsz Yan Lai's medical license number?
Dr. Lai's California license number on file is A102434.
Which hospitals is Dr. Tammy Tsz Yan Lai affiliated with?
Dr. Lai is affiliated with California Pacific Medical Center Van Ness Campus.
What medical group is Dr. Tammy Tsz Yan Lai part of?
Dr. Lai is linked to The Permanente Medical Group, Inc.
Is Dr. Tammy Tsz Yan Lai board certified?
Yes. Dr. Lai is board certified in internal medicine by the American Board of Internal Medicine.
Where did Dr. Tammy Tsz Yan Lai go to medical school?
Dr. Lai graduated from New York Medical College in 2006.
What drugs does Dr. Tammy Tsz Yan Lai prescribe most?
In 2024 Medicare Part D data, Dr. Lai's most prescribed drugs by claims were Losartan Potassium, Levothyroxine Sodium and Hydrochlorothiazide.
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How long has Dr. Tammy Tsz Yan Lai been practicing?
Dr. Lai graduated from medical school in 2006, 20 years ago.
Does Dr. Tammy Tsz Yan Lai do research?
Dmand AI links 2 publications to Dr. Lai.
Who does Dr. Tammy Tsz Yan Lai publish with?
Dr. Lai's most frequent co-authors are Paul B. Aronowitz, MD (1 shared paper) and Shelley Merle Gordon, MD (1 shared paper).
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