Dr. John Tso, MD
- Medicare services, 2024
- 2,513
- Medicare patients, 2024
- 250
- Part D claims, 2024
- 8,228
- MIPS score, 2024
- 100
- Hospital affiliations
- 2
- Practice address
- 631 S Milpitas Blvd, Milpitas, CA 95035
- Practice phone
- Call (408) 719-1004
- Professional email
- Get professional email
- Personal email
- Get personal email
- Mobile number
- Get mobile number
Primary practice
Silicon Valley Adult Day Health Care Center
Milpitas, California
Find Dr. Tso'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. John Tso is a family medicine physician in Milpitas, California
Dr. Tso practices at Silicon Valley Adult Day Health Care Center in Milpitas, California.
Dr. Tso's NPI, 1811160377, was assigned on April 6, 2008. Dr. Tso graduated from University of Hong Kong Faculty of Medicine in 1980. Dr. Tso holds California license A103220.
- NPI
- 1811160377NPI Registry (opens in a new tab)
- Medicare PAC ID
- 8224190178
- NPI enumeration date
- April 6, 2008
- NPI status
- Active
- Accepts Medicare assignment
- Yes
- Practice phone
- (408) 719-1004
- Professional email
- Get email
- Personal email
- Get email
- Mobile number
- Get number
- Sex
- Male
- Estimated age
- 72
- Medical school graduation
- 1980
Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; Dmand AI Practice Data; and Doctors and Clinicians National Downloadable File (CMS)
Dr. John Tso practices at Silicon Valley Adult Day Health Care Center in Milpitas, California
Dr. Tso's primary practice is Silicon Valley Adult Day Health Care Center, at 631 S Milpitas Blvd, Milpitas, CA 95035 in Santa Clara County. The practice phone is (408) 719-1004.
- Silicon Valley Adult Day Health Care Center631 S Milpitas Blvd, Milpitas, CA 95035 · Santa Clara CountyPhone(408) 719-1004
Sources: NPPES NPI Registry (CMS); and Dmand AI Practice Data
Dr. John Tso is affiliated with 6 sites of care and 1 medical group
Dr. Tso's primary practice is Silicon Valley Adult Day Health Care Center in Milpitas, California. Dr. Tso is also affiliated with Stanford Hospital at 300 Pasteur Drive. The medical group on file is North East Medical Services (NEMS). Dmand AI also links Dr. Tso to 1 more hospital, 2 home health agencies and 1 community health center, each named with a free account.
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. John Tso's practice
Dmand AI tracks the electronic health record (EHR) system at each site where Dr. Tso practices, 5 sites in all. Vendor and product names are available with a free account.
| Site | EHR vendor and product |
|---|---|
| Silicon Valley Adult Day Health Care Center | Available with a free account |
| +5 more affiliated sites | Available with a free account |
Source: Dmand AI Technology Install Data
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Dr. John Tso is one of 15,680 family medicine physicians in California
Family medicine is Dr. Tso's primary specialty in the NPI Registry, under taxonomy code 207Q00000X. Dr. Tso is board certified in family medicine by the American Board of Family Medicine. Dr. Tso is licensed in California.
Specialties and state licenses
- Family medicine, CaliforniaPrimary
Clinical focus
Dmand AI lists acute skin infection, aneurysm, asthma, bronchitis, chest wall injury, chronic anemia, chronic diabetes and chronic hypertension among the conditions Dr. Tso treats.
Family medicine physicians near Dr. Tso
Counts of family medicine physicians 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. John Tso billed Medicare for 2,513 services in 2024
CMS data shows 2,513 Medicare services from Dr. Tso across 19 procedure codes in 2024, for 250 Medicare patients. Medicare paid $24,665 for them. Every service was in an office.
Dr. Tso's Medicare services by type, 2023 to 2024
- 2023
- 2024
- Lab and pathology
- 2023: 2,6132024: 2,06421%
- Surgery
- 2023: 4132024: 4052%
- Other services
- 2023: 242024: 4483%
Dr. Tso compared with the California median for family medicine physicians, 2024
- Dr. Tso
- California median
- Medicare services
- 2,513vs 24610.2 times
- Medicare patients
- 250vs 1182.1 times
- Part D claims
- 7,769vs 8339.3 times
Medians across 15,349 family medicine physicians in California with Dmand AI profiles that report each measure.
Dr. Tso's most billed Medicare procedure codes, 2024
CMS publishes codes billed for 11 or more Medicare patients. Each label is the code family; CPT descriptions are licensed by the AMA.
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Medicare shows one payer. Book a meeting to get commercial claims data for Dr. Tso and other family medicine physicians in California.
Sources: Medicare Physician & Other Practitioners - by Provider and Service (CMS), 2024 data; and Dmand AI Peer Benchmarks
Dr. John Tso treated 250 Medicare patients in 2024, average age 78
CMS counts 250 Medicare patients who saw Dr. Tso in 2024. The largest group is 65 to 74, with 97 patients. 75% of them have high cholesterol, and 70% have high blood pressure. 96% are also on Medicaid. Their average risk score is 0.97, where 1.00 is the Medicare average.
Across all payers, Dmand AI patient panel data puts Dr. Tso's median patient age at 75, with 56% women.
Dr. Tso's Medicare patients by age, 2024
CMS leaves out age groups with fewer than 11 patients.
Dr. Tso's Medicare patients by sex, 2024
- Women14658%
- Men10442%
Chronic conditions among Dr. Tso's Medicare patients, 2024
- High cholesterol75%
- High blood pressure70%
- Diabetes35%
- Osteoporosis28%
- Arthritis27%
- Chronic kidney disease17%
- Ischemic heart disease11%
- Atrial fibrillation9%
Share of Medicare patients with each condition. A patient can have several.
Dr. Tso's patients across all payers
Dmand AI patient panel data covers Medicare, Medicaid and commercial patients.
Patient panel by age, all payers
Median age 75
Patient panel by sex, all payers
- Women56%
- Men44%
Sources: Dmand AI Patient Panel Data; and Medicare Physician & Other Practitioners - by Provider (CMS), 2024 data
Dr. John Tso wrote 8,228 Medicare Part D claims in 2024
In 2024, Dr. Tso wrote 8,228 Medicare Part D claims for 576 patients. 92% of them were for generic drugs. CMS names the drug for 7,769 of them, across 101 drugs with 11 or more claims each, at $426,043 in total drug cost. In 2023, CMS named 7,572 claims across 94 drugs.
Dr. Tso's Part D claims by kind of drug, 2024
- Generic7,552 claims92%
- Brand-name619 claims8%
- Other57 claims1%
Dr. Tso'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. Tso's Part D claims, 2024
- Antibiotics1%85 of 8,228 claims
- Antipsychotics, patients 65 and over0%14 of 8,228 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: 7,5722024: 7,7693%
Drugs named by CMS: 101 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
Dr. John Tso scored 100 out of 100 in Medicare's MIPS program for 2024
CMS publishes a Merit-based Incentive Payment System (MIPS) score of 100 out of 100 for Dr. Tso for performance year 2024, reported as part of a group. Dr. Tso accepts Medicare assignment, so Medicare's approved amount is taken as full payment.
- Accepts Medicare assignment
- Yes
Dr. Tso's MIPS scores, performance year 2024
- 100of 100Final score
- 100of 100Quality
- 40of 100Improvement Activities
- 100of 100Cost
Each score is out of 100. The final score weighs the categories CMS scored for this clinician.
Sources: Doctors and Clinicians National Downloadable File (CMS); and Clinician Public Reporting: Overall MIPS Performance (CMS), 2024 data, released September 10, 2026
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Dr. John Tso received $35 in industry payments in 2022
CMS Open Payments shows 2 general payments to Dr. Tso from 1 drug or device company in 2022. Food and beverage make up the largest share, 100% of the total. Janssen Pharmaceuticals, Inc paid the most, $35.
Companies that paid Dr. Tso the most, 2022 to 2022
Share is of all general payments to this clinician.
Source: Open Payments (CMS), 2025 data, released July 7, 2026
Dr. John Tso graduated from University of Hong Kong Faculty of Medicine
Dr. Tso graduated from University of Hong Kong Faculty of Medicine in 1980.
- Medical school
- Board certified in family medicine
Source: Dmand AI Professional Profile Data
Dr. John Tso accepts plans from 10 insurance carriers
Dr. Tso is in network with 10 carriers, including Aetna, Elevance and Blue Cross Blue Shield of Michigan. Medicare plans come from the most carriers, 8. Check the plan with the practice before a visit.
- Aetna
- Elevance
- Blue Cross Blue Shield of Michigan
- United Healthcare
- Blue Cross Blue Shield of Massachusetts
- HCSC
- Regence Health Plans
- Aspirus Health Plan
- +2 more carriersWith a free account
Plan types Dr. Tso accepts, by number of carriers
- Medicare8
- PPO7
- POS5
- HMO4
- EPO3
Source: Dmand AI Insurance Network Data
Sources for Dr. John Tso'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 services and procedure codes | Medicare Physician & Other Practitioners - by Provider and Service (CMS) (opens in a new tab) |
| State medians for the same specialty | Dmand AI Peer Benchmarks |
| Medicare patients and the all-payer patient panel | Dmand AI Patient Panel DataMedicare Physician & Other Practitioners - by Provider (CMS) (opens in a new tab) |
| 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) |
| MIPS scores, telehealth, assignment and procedure percentiles | Doctors and Clinicians National Downloadable File (CMS) (opens in a new tab)Clinician Public Reporting: Overall MIPS Performance (CMS) (opens in a new tab) |
| Industry payments | Open Payments (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. John Tso
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. John Tso's NPI number?
Dr. John Tso's NPI number is 1811160377. It was assigned on April 6, 2008, and it is active in the NPI Registry.
What kind of doctor is Dr. John Tso?
Dr. John Tso is a family medicine physician in Milpitas, California. The primary specialty in the NPI Registry is Family Medicine Physician (taxonomy code 207Q00000X).
Where does Dr. John Tso practice?
Dr. Tso practices at 631 S Milpitas Blvd, Milpitas, CA 95035. Dr. Tso's primary practice is Silicon Valley Adult Day Health Care Center in Milpitas, California. Dmand AI also links Dr. Tso to 1 hospital, 2 home health agencies and 1 community health center.
What is Dr. John Tso's office phone number?
The practice phone on file for Dr. Tso is (408) 719-1004.
What is Dr. John Tso's medical license number?
Dr. Tso holds California license A103220.
Which hospitals is Dr. John Tso affiliated with?
Dr. Tso is affiliated with Stanford Hospital at 300 Pasteur Drive. Dmand AI links Dr. Tso to 1 more hospital.
What medical group is Dr. John Tso part of?
Dr. Tso is linked to North East Medical Services (NEMS).
Does Dr. John Tso accept Medicare?
Yes. CMS data shows Dr. Tso billed Medicare for 2,513 services in 2024, and Dr. Tso accepts Medicare assignment.
What is Dr. John Tso's MIPS score?
Dr. Tso's MIPS final score for performance year 2024 is 100 out of 100, reported as part of a group.
How many Medicare patients does Dr. John Tso see?
CMS counts 250 Medicare patients who saw Dr. Tso in 2024, with an average age of 78.
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Is Dr. John Tso board certified?
Yes. Dr. Tso is board certified in family medicine by the American Board of Family Medicine.
What services does Dr. John Tso bill to Medicare?
In 2024, Dr. Tso's most billed Medicare services were surgery: heart and blood vessels (36415), lab and pathology test (80053) and lab and pathology test (80061).
Where did Dr. John Tso go to medical school?
Dr. Tso graduated from University of Hong Kong Faculty of Medicine in 1980.
What drugs does Dr. John Tso prescribe most?
In 2024 Medicare Part D data, Dr. Tso's most prescribed drugs by claims were Amlodipine Besylate, Atorvastatin Calcium and Losartan Potassium.
Has Dr. John Tso received payments from drug or device companies?
CMS Open Payments shows $35 in general payments to Dr. Tso from 1 company from 2022 to 2022. The largest total came from Janssen Pharmaceuticals, Inc.
How long has Dr. John Tso been practicing?
Dr. Tso graduated from medical school in 1980, 46 years ago.
What insurance does Dr. John Tso accept?
Dr. Tso is in network with 10 carriers, including Aetna, Elevance and Blue Cross Blue Shield of Michigan. Medicare plans come from the most carriers, 8. Check the plan with the practice before a visit.
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