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Lisa Chi

  • Montclair, CA
  • Family nurse practitioner
NPI1275483091PAC ID7416432612
Affiliated sites
2
Medical groups
2
State license
1
Year NPI issued
2026
Practice address
4950 San Bernardino St, Montclair, CA 91763
Practice phone
Call (909) 985-8838
Professional email
Get professional email
Personal email
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Mobile number
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Social profiles

Primary practice

William Tsai D O Inc

Montclair, California

See all 5 affiliations

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Lisa Chi is a family nurse practitioner in Montclair, California

Lisa Chi practices at William Tsai D O Inc in Montclair, California.

Lisa Chi's NPI, 1275483091, was assigned on January 31, 2026. Lisa Chi holds California license 95038017.

NPI and contact details
NPI
1275483091NPI Registry (opens in a new tab)
Medicare PAC ID
7416432612
NPI enumeration date
January 31, 2026
NPI status
Active
Accepts Medicare assignment
Yes
Practice phone
(909) 985-8838
Professional email
Get email
Personal email
Get email
Mobile number
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Sex
Female
Estimated age
27
Medical school graduation
2025

Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; Dmand AI Practice Data; and Doctors and Clinicians National Downloadable File (CMS)

Lisa Chi practices at William Tsai D O Inc in Montclair, California

Lisa Chi's primary practice is William Tsai D O Inc, at 4950 San Bernardino St, Montclair, CA 91763 in San Bernardino County. The practice phone is (909) 985-8838.

  • William Tsai D O Inc
    4950 San Bernardino St, Montclair, CA 91763 · San Bernardino CountyPhone(909) 985-8838

Sources: NPPES NPI Registry (CMS); and Dmand AI Practice Data

Lisa Chi is affiliated with 3 sites of care and 2 medical groups

Lisa Chi's primary practice is William Tsai D O Inc in Montclair, California. The medical group on file is Chaffey Medical Group. Dmand AI also links Lisa Chi to 2 more group practices and clinics and 1 medical group, each named with a free account.

William Tsai D O IncMontclair, CaliforniaPrimary
Chaffey Medical GroupPrimary care group, Upland, CA2 group practices and clinicsNames with a free account1 medical groupName with a free account
See all 5 affiliations for Lisa Chi

Sources: NPPES NPI Registry (CMS); Dmand AI Practice Data; and Dmand AI Affiliation Data

Dmand AI tracks the EHR system at Lisa Chi's practice

Dmand AI tracks the electronic health record (EHR) system at each site where Lisa Chi practices, 2 sites in all. Vendor and product names are available with a free account.

EHR by site
SiteEHR vendor and product
William Tsai D O IncAvailable with a free account
+2 more sites and 1 medical groupAvailable with a free account

Source: Dmand AI Technology Install Data

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Lisa Chi is one of 13,532 family nurse practitioners in California

Family is Lisa Chi's primary specialty in the NPI Registry, under taxonomy code 363LF0000X. Lisa Chi is licensed in California.

Specialties and state licenses

  • Family nurse practitioner, CaliforniaPrimaryLicense 95038017 · taxonomy 363LF0000X

Family nurse practitioners near Lisa Chi

Counts of family nurse practitioners with a Dmand AI profile, by place and practice. Each opens the list.

13,532family nurse practitioners in California
8family nurse practitioners in Montclair

Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; and Dmand AI Peer Benchmarks

Lisa Chi's patients have a median age of 63

Across all payers, Dmand AI patient panel data puts Lisa Chi's median patient age at 63, with 69% women.

Lisa Chi's patients across all payers

Dmand AI patient panel data covers Medicare, Medicaid and commercial patients.

Patient panel by age, all payers

Median age 63

Patient panel by sex, all payers

  • Women69%
  • Men31%

Source: Dmand AI Patient Panel Data

How Lisa Chi takes part in Medicare

Lisa Chi accepts Medicare assignment, so Medicare's approved amount is taken as full payment.

Accepts Medicare assignment
Yes

Source: Doctors and Clinicians National Downloadable File (CMS)

Sources for Lisa Chi's profile data

Sources for the data on this page
Data on this pageSource
NPI, name, sex, specialty and licensesNPPES NPI Registry (CMS) (opens in a new tab)Dmand AI Professional Profile Data
Practice locations and phoneNPPES NPI Registry (CMS) (opens in a new tab)Dmand AI Practice Data
Primary practice, affiliations and health systemNPPES NPI Registry (CMS) (opens in a new tab)Dmand AI Practice DataDmand AI Affiliation Data
Medicare patients and the all-payer patient panelDmand AI Patient Panel Data
MIPS scores, telehealth, assignment and procedure percentilesDoctors and Clinicians National Downloadable File (CMS) (opens in a new tab)
EHR at each practice siteDmand AI Technology Install Data
Similar physiciansDmand AI Affiliation Data

Data last refreshed October 2026Report an inaccuracyRemove my information

FAQ

Frequently asked questions about Lisa Chi

Spotted something out of date? Email hello@dmand.ai and we will check the record. Contact details live in the free trial.

What is Lisa Chi's NPI number?

Lisa Chi's NPI number is 1275483091. It was assigned on January 31, 2026, and it is active in the NPI Registry.

What does Lisa Chi specialize in?

Lisa Chi is a family nurse practitioner in Montclair, California. The primary specialty in the NPI Registry is Family Nurse Practitioner (taxonomy code 363LF0000X).

Where does Lisa Chi practice?

Lisa Chi practices at 4950 San Bernardino St, Montclair, CA 91763. Lisa Chi's primary practice is William Tsai D O Inc in Montclair, California. Dmand AI also links Lisa Chi to 2 group practices and clinics and 1 medical group.

What is Lisa Chi's office phone number?

The practice phone on file for Lisa Chi is (909) 985-8838.

What is Lisa Chi's medical license number?

Lisa Chi holds California license 95038017.

What medical group is Lisa Chi part of?

Lisa Chi is linked to Chaffey Medical Group. Dmand AI links Lisa Chi to 1 more medical group.

Does Lisa Chi accept Medicare?

Yes. CMS lists Lisa Chi as accepting Medicare assignment.

How long has Lisa Chi been practicing?

Lisa Chi graduated from medical school in 2025, 1 years ago.

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