Phyllis Tien
- Publications
- 298
- Clinical trials
- 3
- Hospital affiliations
- 1
- Industry payments
- $890
- State licenses
- 3
- Practice address
- 4150 Clement Street, San Francisco, CA 94121
- Practice phone
- Call (415) 221-4810
- Professional email
- Get professional email
- Personal email
- Get personal email
- Mobile number
- Get mobile number
Primary practice
Find Phyllis Tien'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.
Phyllis Tien is an infectious disease specialist in San Francisco, California
Phyllis Tien practices at San Francisco VA Medical Center in San Francisco, California, part of Veterans Health Administration.
Phyllis Tien's NPI, 1346358835, was assigned on August 26, 2006. Phyllis Tien graduated from UC San Diego School of Medicine in 1992. Phyllis Tien holds California license G077758.
- NPI
- 1346358835NPI Registry (opens in a new tab)
- NPI enumeration date
- August 26, 2006
- NPI status
- Active
- Practice phone
- (415) 221-4810
- Professional email
- Get email
- Personal email
- Get email
- Mobile number
- Get number
- Sex
- Female
- Medical school graduation
- 1992
Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; and Dmand AI Affiliation Data
Phyllis Tien practices at San Francisco VA Medical Center in San Francisco, California
Phyllis Tien's primary practice is San Francisco VA Medical Center, at 4150 Clement Street, San Francisco, CA 94121 in San Francisco County. The practice phone is (415) 221-4810.
- San Francisco VA Medical Center4150 Clement Street, San Francisco, CA 94121 · San Francisco CountyPhone(415) 221-4810
Source: Dmand AI Affiliation Data
Phyllis Tien is affiliated with 1 site of care
Phyllis Tien's primary practice is San Francisco VA Medical Center in San Francisco, California, part of Veterans Health Administration. Phyllis Tien'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 Phyllis Tien's practice
Dmand AI tracks the electronic health record (EHR) system at each site where Phyllis Tien practices. Vendor and product names are available with a free account.
| Site | EHR vendor and product |
|---|---|
| San Francisco VA Medical Center | Available with a free account |
Source: Dmand AI Technology Install Data
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Phyllis Tien is one of 1,054 infectious disease specialists in California
Infectious disease is Phyllis Tien's primary specialty in the NPI Registry, under taxonomy code 207RI0200X. Phyllis Tien is board certified in infectious disease by the American Board of Internal Medicine. Dmand AI has Phyllis Tien's licenses on file in 3 states: California, Hawaii and New Mexico.
Specialties and state licenses
- Infectious disease, CaliforniaPrimary
- Hawaii license
- New Mexico license
Infectious disease specialists near Phyllis Tien
Counts of infectious disease specialists 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
Phyllis Tien's patients have a median age of 57
Across all payers, Dmand AI patient panel data puts Phyllis Tien's median patient age at 57, with 0% women.
Phyllis Tien's patients across all payers
Dmand AI patient panel data covers Medicare, Medicaid and commercial patients.
Patient panel by age, all payers
Median age 57
Patient panel by sex, all payers
- Women0%
- Men100%
Source: Dmand AI Patient Panel Data
Phyllis Tien has 298 publications on record
Dmand AI links 298 papers to Phyllis Tien, published from 2004 to 2025. 2021 was the busiest year, with 21. The most frequent topics are HIV Infections, Anti-HIV Agents and Antiretroviral Therapy, Highly Active. Phyllis Tien has published most often in J Acquir Immune Defic Syndr. Phyllis Tien's most frequent co-authors are Mardge Hillary Cohen, MD, Carl Grunfeld, MD and Seble Kassaye, MD.
Phyllis Tien's papers by year, 2016 to 2025
Topics Phyllis Tien writes about most
- HIV Infections
- Anti-HIV Agents
- Antiretroviral Therapy, Highly Active
- CD4 Lymphocyte Count
- Viral Load
- HIV
- Hepatitis C
- HIV-1
Phyllis Tien's most frequent co-authors
- Mardge Hillary Cohen, MD73 shared papers
- Carl Grunfeld, MD37 shared papers
- Seble Kassaye, MD33 shared papers
Recent publications by Phyllis Tien
See who Phyllis Tien researches with
Physician Network Discovery turns co-authorship, shared hospitals and shared groups into a map of who Phyllis Tien works with, so you can find a warm path to the right infectious disease specialists.
Sources: PubMed (National Library of Medicine); and Dmand AI Research Linkage
Phyllis Tien has worked on 3 clinical trials
Dmand AI links Phyllis Tien to 3 clinical trials. Conditions studied include COVID-19, Hepatitis C and Flaviviridae Infections. Open Payments lists research payments to Phyllis Tien that name 1 trial.
Conditions in Phyllis Tien's trials
- COVID-19
- Hepatitis C
- Flaviviridae Infections
- Pneumonia, Viral
Investigators on the most trials with Phyllis Tien
- Damon L. Baker, DO1 shared trial
- Jennifer Christy Bartczak, MD1 shared trial
- Roger Bedimo, MD1 shared trial
Recent clinical trials with Phyllis Tien
Sources: Open Payments (CMS), 2025 data, released July 7, 2026; Dmand AI Research Linkage; and ClinicalTrials.gov (National Library of Medicine)
Phyllis Tien received $890 in industry payments from 2016 to 2025
CMS Open Payments shows 21 general payments to Phyllis Tien from 3 drug and device companies from 2016 to 2025. Food and beverage make up the largest share, 100% of the total. Gilead Sciences, Inc. paid the most, $558. It also lists 2 research payments totaling $11,805 in 2020, naming 1 clinical trial.
General payments to Phyllis Tien by program year, 2016 to 2025
Companies that paid Phyllis Tien the most, 2016 to 2025
Share is of all general payments to this clinician.
Source: Open Payments (CMS), 2025 data, released July 7, 2026
Phyllis Tien graduated from UC San Diego School of Medicine
Phyllis Tien graduated from UC San Diego School of Medicine in 1992.
- Medical school
- Board certified in infectious disease
Source: Dmand AI Professional Profile Data
Sources for Phyllis Tien'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 |
| Publications, topics and co-authors | PubMed (National Library of Medicine) (opens in a new tab)Dmand AI Research Linkage |
| Clinical trials and co-investigators | Dmand AI Research LinkageClinicalTrials.gov (National Library of Medicine) (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 |
| 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 Phyllis Tien
Spotted something out of date? Email hello@dmand.ai and we will check the record. Contact details live in the free trial.
What is Phyllis Tien's NPI number?
Phyllis Tien's NPI number is 1346358835. It was assigned on August 26, 2006, and it is active in the NPI Registry.
What does Phyllis Tien specialize in?
Phyllis Tien is an infectious disease specialist in San Francisco, California. The primary specialty in the NPI Registry is Infectious Disease Physician (taxonomy code 207RI0200X).
Where does Phyllis Tien practice?
Phyllis Tien practices at 4150 Clement Street, San Francisco, CA 94121. Phyllis Tien's primary practice is San Francisco VA Medical Center in San Francisco, California, part of Veterans Health Administration.
What is Phyllis Tien's office phone number?
The practice phone on file for Phyllis Tien is (415) 221-4810.
What is Phyllis Tien's medical license number?
Phyllis Tien holds California license G077758, one of the licenses on file in 3 states.
Which states has Phyllis Tien been licensed in?
Dmand AI has state licenses on file for Phyllis Tien in California (1993 to 2027), Hawaii (1995 to 2004) and New Mexico (1997 to 1998).
Which hospitals is Phyllis Tien affiliated with?
Phyllis Tien practices at San Francisco VA Medical Center in San Francisco, California.
Is Phyllis Tien board certified?
Yes. Phyllis Tien is board certified in infectious disease by the American Board of Internal Medicine.
Where did Phyllis Tien go to medical school?
Phyllis Tien graduated from UC San Diego School of Medicine in 1992.
Has Phyllis Tien received payments from drug or device companies?
CMS Open Payments shows $890 in general payments to Phyllis Tien from 3 companies from 2016 to 2025. The largest total came from Gilead Sciences, Inc.
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How long has Phyllis Tien been practicing?
Phyllis Tien graduated from medical school in 1992, 34 years ago.
Does Phyllis Tien do research?
Dmand AI links 298 publications to Phyllis Tien, published from 2004 to 2025. Phyllis Tien has worked on 3 clinical trials.
Who does Phyllis Tien publish with?
Phyllis Tien's most frequent co-authors are Mardge Hillary Cohen, MD (73 shared papers), Carl Grunfeld, MD (37 shared papers) and Seble Kassaye, MD (33 shared papers).
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