Kathy Lien, PNP, RN
- Industry payments
- $123
- Affiliated sites
- 1
- Medical group
- 1
- State license
- 1
- Year NPI issued
- 2021
- Practice address
- 795 El Camino Real, Palo Alto, CA 94301
- Practice phone
- Call (650) 324-1832
- Professional email
- Get professional email
- Personal email
- Get personal email
- Mobile number
- Get mobile number
Primary practice
Surgery Center Palo Alto
Surgery Center - Medicare-Certified · Palo Alto, California
Find Kathy Lien'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.
Kathy Lien is a nurse practitioner in Palo Alto, California
Kathy Lien practices at Surgery Center Palo Alto in Palo Alto, California.
Kathy Lien's NPI, 1639840390, was assigned on September 22, 2021. Kathy Lien holds California license 95022454.
- NPI
- 1639840390NPI Registry (opens in a new tab)
- NPI enumeration date
- September 22, 2021
- NPI status
- Active
- Practice phone
- (650) 324-1832
- Professional email
- Get email
- Personal email
- Get email
- Mobile number
- Get number
- Sex
- Female
Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; and Dmand AI Affiliation Data
Kathy Lien practices at Surgery Center Palo Alto in Palo Alto, California
Kathy Lien's primary practice is Surgery Center Palo Alto, at 795 El Camino Real, Palo Alto, CA 94301. The practice phone is (650) 324-1832.
- Surgery Center Palo Alto795 El Camino Real, Palo Alto, CA 94301Phone(650) 324-1832
Source: Dmand AI Affiliation Data
Kathy Lien is affiliated with 1 site of care and 1 medical group
Kathy Lien's primary practice is Surgery Center Palo Alto in Palo Alto, California. The medical group on file is Palo Alto Foundation Medical Group.
Sources: Dmand AI Affiliation Data; and Dmand AI Org Hierarchy Data
Dmand AI tracks the EHR system at Kathy Lien's practice
Dmand AI tracks the electronic health record (EHR) system at each site where Kathy Lien practices. Vendor and product names are available with a free account.
| Site | EHR vendor and product |
|---|---|
| Surgery Center Palo Alto | Available with a free account |
Source: Dmand AI Technology Install Data
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Kathy Lien is one of 5,983 nurse practitioners in California
Nurse practitioner is Kathy Lien's primary specialty in the NPI Registry, under taxonomy code 363L00000X. Kathy Lien is licensed in California.
Specialties and state licenses
- Nurse practitioner, CaliforniaPrimary
Nurse practitioners near Kathy Lien
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
Kathy Lien's patients have a median age of 10
Across all payers, Dmand AI patient panel data puts Kathy Lien's median patient age at 10, with 51% women.
Kathy Lien's patients across all payers
Dmand AI patient panel data covers Medicare, Medicaid and commercial patients.
Patient panel by age, all payers
Median age 10
Patient panel by sex, all payers
- Women51%
- Men48%
Source: Dmand AI Patient Panel Data
Kathy Lien received $123 in industry payments in 2024
CMS Open Payments shows 6 general payments to Kathy Lien from 4 drug and device companies in 2024. Food and beverage make up the largest share, 100% of the total. Exact Sciences Corporation paid the most, $51.
Companies that paid Kathy Lien the most, 2024 to 2024
Share is of all general payments to this clinician.
Source: Open Payments (CMS), 2025 data, released July 7, 2026
Sources for Kathy Lien'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 |
| 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 Kathy Lien
Spotted something out of date? Email hello@dmand.ai and we will check the record. Contact details live in the free trial.
What is Kathy Lien's NPI number?
Kathy Lien's NPI number is 1639840390. It was assigned on September 22, 2021, and it is active in the NPI Registry.
What does Kathy Lien specialize in?
Kathy Lien is a nurse practitioner in Palo Alto, California. The primary specialty in the NPI Registry is Nurse Practitioner (taxonomy code 363L00000X).
Where does Kathy Lien practice?
Kathy Lien practices at 795 El Camino Real, Palo Alto, CA 94301. Kathy Lien's primary practice is Surgery Center Palo Alto in Palo Alto, California.
What is Kathy Lien's office phone number?
The practice phone on file for Kathy Lien is (650) 324-1832.
What is Kathy Lien's medical license number?
Kathy Lien holds California license 95022454.
What medical group is Kathy Lien part of?
Kathy Lien is linked to Palo Alto Foundation Medical Group.
Has Kathy Lien received payments from drug or device companies?
CMS Open Payments shows $123 in general payments to Kathy Lien from 4 companies from 2024 to 2024. The largest total came from Exact Sciences Corporation.
How long has Kathy Lien been practicing?
Kathy Lien's NPI was assigned in 2021.
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