Dr. Theresa Liao, MD
- Part D claims, 2021
- 48
- Hospital affiliations
- 1
- Industry payments
- $23
- State license
- 1
- Year NPI issued
- 2006
- Practice address
- 3710 Sw Us Veterans Hospital, Portland, OR 97239
- Practice phone
- Call (503) 220-8262
- Professional email
- Get professional email
- Personal email
- Get personal email
- Mobile number
- Get mobile number
Primary practice
Find Dr. Liao'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. Theresa Liao is an internist in Portland, Oregon
Dr. Liao practices at Portland VA Medical Center in Portland, Oregon, part of Veterans Health Administration.
Dr. Liao's NPI, 1447354501, was assigned on September 11, 2006. Dr. Liao holds Connecticut license 037960.
- NPI
- 1447354501NPI Registry (opens in a new tab)
- NPI enumeration date
- September 11, 2006
- NPI status
- Active
- Practice phone
- (503) 220-8262
- 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
Dr. Theresa Liao practices at Portland VA Medical Center in Portland, Oregon
Dr. Liao's primary practice is Portland VA Medical Center, at 3710 Sw Us Veterans Hospital, Portland, OR 97239 in Multnomah County. The practice phone is (503) 220-8262.
- Portland VA Medical Center3710 Sw Us Veterans Hospital, Portland, OR 97239 · Multnomah CountyPhone(503) 220-8262
Source: Dmand AI Affiliation Data
Dr. Theresa Liao is affiliated with 1 site of care
Dr. Liao's primary practice is Portland VA Medical Center in Portland, Oregon, part of Veterans Health Administration. Dr. Liao'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 Dr. Theresa Liao's practice
Dmand AI tracks the electronic health record (EHR) system at each site where Dr. Liao practices. Vendor and product names are available with a free account.
| Site | EHR vendor and product |
|---|---|
| Portland VA Medical Center | Available with a free account |
Source: Dmand AI Technology Install Data
For health IT teams
Dmand AI maps EHR vendors, IT decision makers and buying committees across Veterans Health Administration and 6.2K+ hospitals, with verified contacts in the same login.
Dr. Theresa Liao is one of 1,680 internists in Oregon
Internal medicine is Dr. Liao's primary specialty in the NPI Registry, under taxonomy code 207R00000X. Dr. Liao is licensed in Connecticut.
Specialties and state licenses
- Internal medicine, ConnecticutPrimary
Internists near Dr. Liao
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. Theresa Liao's patients have a median age of 77
Across all payers, Dmand AI patient panel data puts Dr. Liao's median patient age at 77, with 13% women.
Dr. Liao's patients across all payers
Dmand AI patient panel data covers Medicare, Medicaid and commercial patients.
Patient panel by age, all payers
Median age 77
Patient panel by sex, all payers
- Women13%
- Men88%
Source: Dmand AI Patient Panel Data
Dr. Theresa Liao wrote 48 Medicare Part D claims in 2021
In 2021, Dr. Liao wrote 48 Medicare Part D claims. Every claim was for a generic drug. They cover 4 drugs, with $839 in total drug cost.
Dr. Liao's most prescribed drugs by claims, 2021
CMS names a drug when it has 11 or more claims. Share is of the claims for drugs CMS names.
Source: Medicare Part D Prescribers - by Provider and Drug (CMS), 2024 data, released May 6, 2026
For MedTech and pharma teams
Filter 7.4M+ HCPs by Medicare procedures, Part D drugs and Open Payments history, then reach them with verified contacts in one login.
Dr. Theresa Liao received $23 in industry payments in 2025
CMS Open Payments shows 1 general payment to Dr. Liao from 1 drug or device company in 2025. Food and beverage make up the largest share, 100% of the total. Sanofi Pasteur Inc. paid the most, $23.
Companies that paid Dr. Liao 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 Dr. Theresa Liao'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) |
| 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 Dr. Theresa Liao
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. Theresa Liao's NPI number?
Dr. Theresa Liao's NPI number is 1447354501. It was assigned on September 11, 2006, and it is active in the NPI Registry.
What kind of doctor is Dr. Theresa Liao?
Dr. Theresa Liao is an internist in Portland, Oregon. The primary specialty in the NPI Registry is Internal Medicine Physician (taxonomy code 207R00000X).
Where does Dr. Theresa Liao practice?
Dr. Liao practices at 3710 Sw Us Veterans Hospital, Portland, OR 97239. Dr. Liao's primary practice is Portland VA Medical Center in Portland, Oregon, part of Veterans Health Administration.
What is Dr. Theresa Liao's office phone number?
The practice phone on file for Dr. Liao is (503) 220-8262.
What is Dr. Theresa Liao's medical license number?
Dr. Liao holds Connecticut license 037960.
Which hospitals is Dr. Theresa Liao affiliated with?
Dr. Liao practices at Portland VA Medical Center in Portland, Oregon.
What drugs does Dr. Theresa Liao prescribe most?
In 2021 Medicare Part D data, Dr. Liao's most prescribed drugs by claims were Donepezil HCl, Finasteride and Sertraline HCl.
Has Dr. Theresa Liao received payments from drug or device companies?
CMS Open Payments shows $23 in general payments to Dr. Liao from 1 company from 2025 to 2025. The largest total came from Sanofi Pasteur Inc.
How long has Dr. Theresa Liao been practicing?
Dr. Liao's NPI was assigned in 2006.
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