Dr. Wesley J. Tsai, MD
- Part D claims, 2024
- 4,664
- Hospital affiliations
- 1
- Medical group
- 1
- Insurance carriers
- 2
- State license
- 1
- Practice address
- 7373 West Ln, Stockton, CA 95210
- Practice phone
- Call (209) 476-2000
- Professional email
- Get professional email
- Personal email
- Get personal email
- Mobile number
- Get mobile number
Primary practice
Permanente Medical Group Inc
Stockton, California
Find Dr. Tsai's professional email, personal email and mobile number
Dmand AI checks each channel through healthcare-specific waterfall enrichment. See what is on file with a free account, with practice phones, licenses and affiliations.
Dr. Wesley J. Tsai is a hospitalist in Stockton, California
Dr. Tsai practices at Permanente Medical Group Inc in Stockton, California.
Dr. Tsai's NPI, 1750455077, was assigned on November 20, 2006. Dr. Tsai graduated from Medical College Of Wisconsin in 2002. Dr. Tsai's California license number on file is A84962.
- NPI
- 1750455077NPI Registry (opens in a new tab)
- NPI enumeration date
- November 20, 2006
- NPI status
- Active
- Practice phone
- (209) 476-2000
- Professional email
- Get email
- Personal email
- Get email
- Mobile number
- Get number
- Sex
- Male
- Estimated age
- 50
- Medical school graduation
- 2002
Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; and Dmand AI Practice Data
Dr. Wesley J. Tsai practices at Permanente Medical Group Inc in Stockton, California
Dr. Tsai's primary practice is Permanente Medical Group Inc, at 7373 West Ln, Stockton, CA 95210 in San Joaquin County. The practice phone is (209) 476-2000.
- Permanente Medical Group Inc7373 West Ln, Stockton, CA 95210 · San Joaquin CountyPhone(209) 476-2000
Sources: NPPES NPI Registry (CMS); and Dmand AI Practice Data
Dr. Wesley J. Tsai is affiliated with 2 sites of care and 1 medical group
Dr. Tsai's primary practice is Permanente Medical Group Inc in Stockton, California. Dr. Tsai is also affiliated with Vallejo Medical Center. The medical group on file is The Permanente Medical Group, Inc.
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. Wesley J. Tsai's practice
Dmand AI tracks the electronic health record (EHR) system at each site where Dr. Tsai practices. Vendor and product names are available with a free account.
| Site | EHR vendor and product |
|---|---|
| Permanente Medical Group Inc | Available with a free account |
| +1 more affiliated site | Available with a free account |
Source: Dmand AI Technology Install Data
For health IT teams
Dmand AI maps EHR vendors, IT decision makers and buying committees across each health system and 6.2K+ hospitals, with verified contacts in the same login.
Dr. Wesley J. Tsai is one of 3,186 hospitalists in California
Hospitalist is Dr. Tsai's primary specialty in the NPI Registry, under taxonomy code 208M00000X. Dr. Tsai is board certified in internal medicine by the American Board of Internal Medicine. Dr. Tsai has a license on file in California.
Specialties and state licenses
- Hospitalist, CaliforniaPrimary
Hospitalists near Dr. Tsai
Counts of hospitalists 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. Wesley J. Tsai's patients have a median age of 44
Across all payers, Dmand AI patient panel data puts Dr. Tsai's median patient age at 44, with 45% women.
Dr. Tsai's patients across all payers
Dmand AI patient panel data covers Medicare, Medicaid and commercial patients.
Patient panel by age, all payers
Median age 44
Patient panel by sex, all payers
- Women45%
- Men55%
Source: Dmand AI Patient Panel Data
Dr. Wesley J. Tsai wrote 4,664 Medicare Part D claims in 2024
In 2024, Dr. Tsai wrote 4,664 Medicare Part D claims for 559 patients. 94% of them were for generic drugs. CMS names the drug for 4,169 of them, across 84 drugs with 11 or more claims each, at $169,366 in total drug cost. In 2023, CMS named 3,370 claims across 71 drugs.
Dr. Tsai's Part D claims by kind of drug, 2024
- Generic4,366 claims94%
- Brand-name265 claims6%
- Other33 claims1%
Dr. Tsai'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.
Drug classes CMS tracks in Dr. Tsai's Part D claims, 2024
- Opioids2%92 of 4,664 claims
- Antibiotics2%87 of 4,664 claims
- Antipsychotics, patients 65 and over0%15 of 4,664 claims
Share of all Part D claims for each drug class CMS reports on. Classes with no claims are left out.
Part D claims for drugs CMS names, 2023 to 2024
- 2023
- 2024
- Claims for drugs CMS names
- 2023: 3,3702024: 4,16924%
Drugs named by CMS: 84 in 2024, 71 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
For MedTech and pharma teams
Filter 7.4M+ HCPs by Medicare procedures, Part D drugs and Open Payments history, then reach them with verified contacts in one login.
Dr. Wesley J. Tsai has 1 award and honors on record
Dmand AI lists 1 award for Dr. Tsai, most recently CMS Stage 1 2012 in 2011.
Awards and honors for Dr. Tsai
- 2011
- CMS Stage 1 2012
Source: Dmand AI Professional Profile Data
Dr. Wesley J. Tsai graduated from Medical College Of Wisconsin
Dr. Tsai graduated from Medical College Of Wisconsin in 2002.
- Medical school
- Board certified in internal medicine
Source: Dmand AI Professional Profile Data
Dr. Wesley J. Tsai accepts plans from 2 insurance carriers
Dr. Tsai is in network with 2 carriers, including Kaiser Permanente and CMS Medicare. EPO plans come from the most carriers, 1. Check the plan with the practice before a visit.
- Kaiser Permanente
- CMS Medicare
Plan types Dr. Tsai accepts, by number of carriers
- EPO1
- HMO1
- Medicare1
- POS1
Source: Dmand AI Insurance Network Data
Sources for Dr. Wesley J. Tsai'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) |
| Awards and committee roles | Dmand AI Professional Profile Data |
| Training, board certification and memberships | Dmand AI Professional Profile Data |
| Insurance carriers and plan types | Dmand AI Insurance Network 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. Wesley J. Tsai
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. Wesley J. Tsai's NPI number?
Dr. Wesley J. Tsai's NPI number is 1750455077. It was assigned on November 20, 2006, and it is active in the NPI Registry.
What kind of doctor is Dr. Wesley J. Tsai?
Dr. Wesley J. Tsai is a hospitalist in Stockton, California. The primary specialty in the NPI Registry is Hospitalist Physician (taxonomy code 208M00000X).
Where does Dr. Wesley J. Tsai practice?
Dr. Tsai practices at 7373 West Ln, Stockton, CA 95210. Dr. Tsai's primary practice is Permanente Medical Group Inc in Stockton, California.
What is Dr. Wesley J. Tsai's office phone number?
The practice phone on file for Dr. Tsai is (209) 476-2000.
What is Dr. Wesley J. Tsai's medical license number?
Dr. Tsai's California license number on file is A84962.
Which hospitals is Dr. Wesley J. Tsai affiliated with?
Dr. Tsai is affiliated with Vallejo Medical Center.
What medical group is Dr. Wesley J. Tsai part of?
Dr. Tsai is linked to The Permanente Medical Group, Inc.
Is Dr. Wesley J. Tsai board certified?
Yes. Dr. Tsai is board certified in internal medicine by the American Board of Internal Medicine.
Where did Dr. Wesley J. Tsai go to medical school?
Dr. Tsai graduated from Medical College Of Wisconsin in 2002.
What drugs does Dr. Wesley J. Tsai prescribe most?
In 2024 Medicare Part D data, Dr. Tsai's most prescribed drugs by claims were Atorvastatin Calcium, Levothyroxine Sodium and Amlodipine Besylate.
How long has Dr. Wesley J. Tsai been practicing?
Dr. Tsai graduated from medical school in 2002, 24 years ago.
What insurance does Dr. Wesley J. Tsai accept?
Dr. Tsai is in network with 2 carriers, including Kaiser Permanente and CMS Medicare. EPO plans come from the most carriers, 1. Check the plan with the practice before a visit.
Selling to hospitalist practices?
See hospitalists in California by site of care and group
Find the practices, groups and hospitals they work with, and the right people to contact at each.
- 30 days free
- Self-serve
- No credit card