Dr. Evonne F. Tsou, MD
- Part D claims, 2024
- 5,615
- Hospital affiliations
- 1
- Medical group
- 1
- Insurance carriers
- 1
- State license
- 1
- Practice address
- 4367 Concord Boulevard, Concord, CA 94521
- Practice phone
- Call (925) 689-7457
- Professional email
- Get professional email
- Personal email
- Get personal email
- Mobile number
- Get mobile number
Primary practice
Stonebrook Post Acute
Skilled Nursing Facility · Concord, California
Find Dr. Tsou'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. Evonne F. Tsou is an internist in Concord, California
Dr. Tsou practices at Stonebrook Post Acute in Concord, California.
Dr. Tsou's NPI, 1457439952, was assigned on November 1, 2006. Dr. Tsou graduated from New York Medical College in 1999. Dr. Tsou holds California license A74760.
- NPI
- 1457439952NPI Registry (opens in a new tab)
- NPI enumeration date
- November 1, 2006
- NPI status
- Active
- Practice phone
- (925) 689-7457
- Professional email
- Get email
- Personal email
- Get email
- Mobile number
- Get number
- Sex
- Female
- Estimated age
- 53
- Medical school graduation
- 1999
Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; and Dmand AI Affiliation Data
Dr. Evonne F. Tsou practices at Stonebrook Post Acute in Concord, California
Dr. Tsou's primary practice is Stonebrook Post Acute, at 4367 Concord Boulevard, Concord, CA 94521 in Contra Costa County. The practice phone is (925) 689-7457.
- Stonebrook Post Acute4367 Concord Boulevard, Concord, CA 94521 · Contra Costa CountyPhone(925) 689-7457
Source: Dmand AI Affiliation Data
Dr. Evonne F. Tsou is affiliated with 2 sites of care and 1 medical group
Dr. Tsou's primary practice is Stonebrook Post Acute in Concord, California. Dr. Tsou is also affiliated with Walnut Creek Medical Center. The medical group on file is The Permanente Medical Group, Inc.
Sources: Dmand AI Affiliation Data; and Dmand AI Org Hierarchy Data
Dmand AI tracks the EHR system at Dr. Evonne F. Tsou's practice
Dmand AI tracks the electronic health record (EHR) system at each site where Dr. Tsou practices, 2 sites in all. Vendor and product names are available with a free account.
| Site | EHR vendor and product |
|---|---|
| Stonebrook Post Acute | 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. Evonne F. Tsou is one of 16,751 internists in California
Internal medicine is Dr. Tsou's primary specialty in the NPI Registry, under taxonomy code 207R00000X. Dr. Tsou is board certified in internal medicine by the American Board of Internal Medicine. Dr. Tsou is licensed in California.
Specialties and state licenses
- Internal medicine, CaliforniaPrimary
Internists near Dr. Tsou
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. Evonne F. Tsou's patients have a median age of 80
Across all payers, Dmand AI patient panel data puts Dr. Tsou's median patient age at 80, with 59% women.
Dr. Tsou's patients across all payers
Dmand AI patient panel data covers Medicare, Medicaid and commercial patients.
Patient panel by age, all payers
Median age 80
Patient panel by sex, all payers
- Women59%
- Men40%
Source: Dmand AI Patient Panel Data
Dr. Evonne F. Tsou wrote 5,615 Medicare Part D claims in 2024
In 2024, Dr. Tsou wrote 5,615 Medicare Part D claims for 358 patients. 81% of them were for generic drugs. CMS names the drug for 5,099 of them, across 111 drugs with 11 or more claims each, at $347,694 in total drug cost. In 2023, CMS named 3,357 claims across 94 drugs.
Dr. Tsou's Part D claims by kind of drug, 2024
- Generic4,555 claims81%
- Brand-name1,048 claims19%
- Other12 claims0%
Dr. Tsou'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. Tsou's Part D claims, 2024
- Opioids2%115 of 5,615 claims
- Antibiotics3%148 of 5,615 claims
- Antipsychotics, patients 65 and over2%93 of 5,615 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: 3,3572024: 5,09952%
Drugs named by CMS: 111 in 2024, 94 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. Evonne F. Tsou graduated from New York Medical College
Dr. Tsou graduated from New York Medical College in 1999.
- Medical school
- Board certified in internal medicine
Source: Dmand AI Professional Profile Data
Dr. Evonne F. Tsou accepts plans from 1 insurance carrier
Dr. Tsou is in network with 1 carrier, including Kaiser Permanente. EPO plans come from the most carriers, 1. Check the plan with the practice before a visit.
- Kaiser Permanente
Plan types Dr. Tsou accepts, by number of carriers
- EPO1
- HMO1
- POS1
Source: Dmand AI Insurance Network Data
Sources for Dr. Evonne F. Tsou'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 | Dmand AI Affiliation Data |
| Primary practice, affiliations and health system | Dmand 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) |
| 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. Evonne F. Tsou
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. Evonne F. Tsou's NPI number?
Dr. Evonne F. Tsou's NPI number is 1457439952. It was assigned on November 1, 2006, and it is active in the NPI Registry.
What kind of doctor is Dr. Evonne F. Tsou?
Dr. Evonne F. Tsou is an internist in Concord, California. The primary specialty in the NPI Registry is Internal Medicine Physician (taxonomy code 207R00000X).
Where does Dr. Evonne F. Tsou practice?
Dr. Tsou practices at 4367 Concord Boulevard, Concord, CA 94521. Dr. Tsou's primary practice is Stonebrook Post Acute in Concord, California.
What is Dr. Evonne F. Tsou's office phone number?
The practice phone on file for Dr. Tsou is (925) 689-7457.
What is Dr. Evonne F. Tsou's medical license number?
Dr. Tsou holds California license A74760.
Which hospitals is Dr. Evonne F. Tsou affiliated with?
Dr. Tsou is affiliated with Walnut Creek Medical Center.
What medical group is Dr. Evonne F. Tsou part of?
Dr. Tsou is linked to The Permanente Medical Group, Inc.
Is Dr. Evonne F. Tsou board certified?
Yes. Dr. Tsou is board certified in internal medicine by the American Board of Internal Medicine.
Where did Dr. Evonne F. Tsou go to medical school?
Dr. Tsou graduated from New York Medical College in 1999.
What drugs does Dr. Evonne F. Tsou prescribe most?
In 2024 Medicare Part D data, Dr. Tsou's most prescribed drugs by claims were Atorvastatin Calcium, Levothyroxine Sodium and Gabapentin.
How long has Dr. Evonne F. Tsou been practicing?
Dr. Tsou graduated from medical school in 1999, 27 years ago.
What insurance does Dr. Evonne F. Tsou accept?
Dr. Tsou is in network with 1 carrier, including Kaiser Permanente. EPO plans come from the most carriers, 1. Check the plan with the practice before a visit.
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