Ya-Chen Lee, NP
- Medicare patients, 2024
- 45
- Part D claims, 2024
- 33
- MIPS score, 2024
- 89
- Hospital affiliations
- 2
- Industry payments
- $137
- Practice address
- 300 Pasteur Drive, Stanford, CA 94305
- Practice phone
- Call (650) 723-4000
- Professional email
- Get professional email
- Personal email
- Get personal email
- Mobile number
- Get mobile number
Primary practice
Find Ya-Chen Lee'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.
Ya-Chen Lee is a nurse practitioner in Stanford, California
Ya-Chen Lee practices at Stanford Hospital at 300 Pasteur Drive in Stanford, California, part of Stanford University.
Ya-Chen Lee's NPI, 1255466058, was assigned on February 22, 2007. Ya-Chen Lee holds California license 15911.
- NPI
- 1255466058NPI Registry (opens in a new tab)
- Medicare PAC ID
- 9537349204
- NPI enumeration date
- February 22, 2007
- NPI status
- Active
- Accepts Medicare assignment
- Yes
- Practice phone
- (650) 723-4000
- Professional email
- Get email
- Personal email
- Get email
- Mobile number
- Get number
- Sex
- Female
- Estimated age
- 47
- Medical school graduation
- 2005
Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; Dmand AI Affiliation Data; and Doctors and Clinicians National Downloadable File (CMS)
Ya-Chen Lee practices at Stanford Hospital at 300 Pasteur Drive in Stanford, California
Ya-Chen Lee's primary practice is Stanford Hospital at 300 Pasteur Drive, at 300 Pasteur Drive, Stanford, CA 94305 in Santa Clara County. The practice phone is (650) 723-4000.
- Stanford Hospital at 300 Pasteur Drive300 Pasteur Drive, Stanford, CA 94305 · Santa Clara CountyPhone(650) 723-4000
Source: Dmand AI Affiliation Data
Ya-Chen Lee is affiliated with 2 sites of care and 1 medical group
Ya-Chen Lee's primary practice is Stanford Hospital at 300 Pasteur Drive in Stanford, California, part of Stanford University. The medical group on file is Stanford Health Care. Dmand AI also links Ya-Chen Lee to 1 more hospital, named with a free account. Ya-Chen Lee's employer is on file too: a hospital.
Sources: Dmand AI Affiliation Data; and Dmand AI Org Hierarchy Data
Dmand AI tracks the EHR system at Ya-Chen Lee's practice
Dmand AI tracks the electronic health record (EHR) system at each site where Ya-Chen Lee practices, 2 sites in all. Vendor and product names are available with a free account.
| Site | EHR vendor and product |
|---|---|
| Stanford Hospital at 300 Pasteur Drive | Available with a free account |
| +1 more affiliated site | Available with a free account |
Source: Dmand AI Technology Install Data
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Ya-Chen Lee is one of 5,983 nurse practitioners in California
Nurse practitioner is Ya-Chen Lee's primary specialty in the NPI Registry, under taxonomy code 363L00000X. Ya-Chen Lee is licensed in California.
Specialties and state licenses
- Nurse practitioner, CaliforniaPrimary
Nurse practitioners near Ya-Chen Lee
Counts of nurse practitioners 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
Ya-Chen Lee treated 45 Medicare patients in 2024, average age 76
CMS counts 45 Medicare patients who saw Ya-Chen Lee in 2024. The largest group is 75 to 84, with 18 patients. 75% of them have high cholesterol, and 73% have high blood pressure. Their average risk score is 1.46, where 1.00 is the Medicare average.
Across all payers, Dmand AI patient panel data puts Ya-Chen Lee's median patient age at 55, with 34% women.
Ya-Chen Lee's Medicare patients by age, 2024
CMS leaves out age groups with fewer than 11 patients.
Ya-Chen Lee's Medicare patients by sex, 2024
- Women2044%
- Men2556%
Chronic conditions among Ya-Chen Lee's Medicare patients, 2024
- High cholesterol75%
- High blood pressure73%
- Arthritis42%
- Mood disorders42%
- Depression36%
- Diabetes33%
- Atrial fibrillation31%
- Chronic kidney disease31%
Share of Medicare patients with each condition. A patient can have several.
Ya-Chen Lee's patients across all payers
Dmand AI patient panel data covers Medicare, Medicaid and commercial patients.
Patient panel by age, all payers
Median age 55
Patient panel by sex, all payers
- Women34%
- Men64%
Sources: Dmand AI Patient Panel Data; and Medicare Physician & Other Practitioners - by Provider (CMS), 2024 data
Ya-Chen Lee wrote 33 Medicare Part D claims in 2024
In 2024, Ya-Chen Lee wrote 33 Medicare Part D claims for 21 patients. 82% of them were for generic drugs.
Ya-Chen Lee's Part D claims by kind of drug, 2024
- Generic27 claims82%
- Brand-name and other6 claims18%
Drug classes CMS tracks in Ya-Chen Lee's Part D claims, 2024
- Opioids55%18 of 33 claims
Share of all Part D claims for each drug class CMS reports on. Classes with no claims are left out.
Source: Medicare Part D Prescribers - by Provider (CMS), 2024 data
Ya-Chen Lee scored 89 out of 100 in Medicare's MIPS program for 2024
CMS publishes a Merit-based Incentive Payment System (MIPS) score of 89 out of 100 for Ya-Chen Lee for performance year 2024, reported as part of a group. Ya-Chen Lee accepts Medicare assignment, so Medicare's approved amount is taken as full payment.
- Accepts Medicare assignment
- Yes
Ya-Chen Lee's MIPS scores, performance year 2024
- 89of 100Final score
- 87.1of 100Quality
- 100of 100Promoting Interoperability
- 40of 100Improvement Activities
- 70of 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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Ya-Chen Lee received $137 in industry payments in 2025
CMS Open Payments shows 1 general payment to Ya-Chen Lee from 1 drug or device company in 2025. Food and beverage make up the largest share, 100% of the total. Edwards Lifesciences Corporation paid the most, $137.
Companies that paid Ya-Chen Lee the most, 2025 to 2025
Share is of all general payments to this clinician.
Source: Open Payments (CMS), 2025 data, released July 7, 2026
Sources for Ya-Chen Lee'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 DataMedicare Physician & Other Practitioners - by Provider (CMS) (opens in a new tab) |
| Part D prescribing | 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) |
| 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 Ya-Chen Lee
Spotted something out of date? Email hello@dmand.ai and we will check the record. Contact details live in the free trial.
What is Ya-Chen Lee's NPI number?
Ya-Chen Lee's NPI number is 1255466058. It was assigned on February 22, 2007, and it is active in the NPI Registry.
What does Ya-Chen Lee specialize in?
Ya-Chen Lee is a nurse practitioner in Stanford, California. The primary specialty in the NPI Registry is Nurse Practitioner (taxonomy code 363L00000X).
Where does Ya-Chen Lee practice?
Ya-Chen Lee practices at 300 Pasteur Drive, Stanford, CA 94305. Ya-Chen Lee's primary practice is Stanford Hospital at 300 Pasteur Drive in Stanford, California, part of Stanford University. Dmand AI also links Ya-Chen Lee to 1 hospital.
What is Ya-Chen Lee's office phone number?
The practice phone on file for Ya-Chen Lee is (650) 723-4000.
What is Ya-Chen Lee's medical license number?
Ya-Chen Lee holds California license 15911.
Which hospitals is Ya-Chen Lee affiliated with?
Ya-Chen Lee practices at Stanford Hospital at 300 Pasteur Drive in Stanford, California. Dmand AI links Ya-Chen Lee to 1 more hospital.
What medical group is Ya-Chen Lee part of?
Ya-Chen Lee is linked to Stanford Health Care.
Does Ya-Chen Lee accept Medicare?
Yes. CMS lists Ya-Chen Lee as accepting Medicare assignment.
What is Ya-Chen Lee's MIPS score?
Ya-Chen Lee's MIPS final score for performance year 2024 is 89 out of 100, reported as part of a group.
How many Medicare patients does Ya-Chen Lee see?
CMS counts 45 Medicare patients who saw Ya-Chen Lee in 2024, with an average age of 76.
Has Ya-Chen Lee received payments from drug or device companies?
CMS Open Payments shows $137 in general payments to Ya-Chen Lee from 1 company from 2025 to 2025. The largest total came from Edwards Lifesciences Corporation.
How long has Ya-Chen Lee been practicing?
Ya-Chen Lee graduated from medical school in 2005, 21 years ago.
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