Dr. Deanna Diemanh Nguyen, MD

  • San Francisco, CA
  • Gastroenterologist
NPI1184603185
Publications
25
Hospital affiliations
1
Industry payments
$1,475
Insurance carriers
2
State licenses
2
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
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Social profiles

Primary practice

San Francisco VA Medical Center

Hospital · San Francisco, California

See all 1 affiliations

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Dr. Deanna Diemanh Nguyen is a gastroenterologist in San Francisco, California

Dr. Nguyen practices at San Francisco VA Medical Center in San Francisco, California, part of Veterans Health Administration.

Dr. Nguyen's NPI, 1184603185, was assigned on January 10, 2006. Dr. Nguyen graduated from Harvard Medical School in 2001. Dr. Nguyen's Massachusetts license number on file is 219514.

NPI and contact details
NPI enumeration date
January 10, 2006
NPI status
Active
Practice phone
(415) 221-4810
Professional email
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Personal email
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Mobile number
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Sex
Female
Medical school graduation
2001

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

Dr. Deanna Diemanh Nguyen practices at San Francisco VA Medical Center in San Francisco, California

Dr. Nguyen'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.

Source: Dmand AI Affiliation Data

Dr. Deanna Diemanh Nguyen is affiliated with 1 site of care

Dr. Nguyen's primary practice is San Francisco VA Medical Center in San Francisco, California, part of Veterans Health Administration. Dr. Nguyen's employer is on file too: a hospital.

See Dr. Nguyen's affiliation in Dmand AI

Sources: Dmand AI Affiliation Data; and Dmand AI Org Hierarchy Data

Dmand AI tracks the EHR system at Dr. Deanna Diemanh Nguyen's practice

Dmand AI tracks the electronic health record (EHR) system at each site where Dr. Nguyen practices. Vendor and product names are available with a free account.

EHR by site
SiteEHR vendor and product
San Francisco VA Medical CenterAvailable with a free account

Source: Dmand AI Technology Install Data

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Dr. Deanna Diemanh Nguyen is one of 1,977 gastroenterologists in California

Gastroenterology is Dr. Nguyen's primary specialty in the NPI Registry, under taxonomy code 207RG0100X. Dmand AI has Dr. Nguyen's licenses on file in 2 states: Massachusetts and California.

Specialties and state licenses

  • Gastroenterology, MassachusettsPrimaryLicense 219514 · 2003 to 2022 · taxonomy 207RG0100X
  • California license2018 to 2025

Gastroenterologists near Dr. Nguyen

Counts of gastroenterologists 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. Deanna Diemanh Nguyen's patients have a median age of 62

Across all payers, Dmand AI patient panel data puts Dr. Nguyen's median patient age at 62, with 100% women.

Dr. Nguyen's patients across all payers

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

Patient panel by age, all payers

Median age 62

Patient panel by sex, all payers

  • Women100%
  • Men0%

Source: Dmand AI Patient Panel Data

Dr. Deanna Diemanh Nguyen has 25 publications on record

Dmand AI links 25 papers to Dr. Nguyen, published from 2002 to 2023. 2007 was the busiest year, with 2. The most frequent topics are Colitis, Mice, Knockout and Mice, Inbred C57BL. Dr. Nguyen has published most often in Inflamm Bowel Dis. Dr. Nguyen's most frequent co-authors are Richard Aaron Hodin, MD, Vijay Yajnik, MD, PhD and Elisa K. Boden, MD.

Papers25
Years published2002 to 2023

Dr. Nguyen's papers by year, 2005 to 2023

Topics Dr. Nguyen writes about most

  • Colitis
  • Mice, Knockout
  • Mice, Inbred C57BL
  • Wiskott-Aldrich Syndrome Protein
  • Disease Models, Animal
  • Intestinal Mucosa
  • Colitis, Ulcerative
  • T-Lymphocytes

Dr. Nguyen's most frequent co-authors

Recent publications by Dr. Nguyen

See all 25 publications and co-authors

See who Dr. Nguyen researches with

Physician Network Discovery turns co-authorship, shared hospitals and shared groups into a map of who Dr. Nguyen works with, so you can find a warm path to the right gastroenterologists.

How network discovery works

Sources: PubMed (National Library of Medicine); and Dmand AI Research Linkage

Dr. Deanna Diemanh Nguyen received $1,475 in industry payments from 2017 to 2025

CMS Open Payments shows 18 general payments to Dr. Nguyen from 8 drug and device companies from 2017 to 2025. Travel and lodging make up the largest share, 75% of the total. Abbvie Inc. paid the most, $1,126.

General payments to Dr. Nguyen by program year, 2017 to 2025

General payments to Dr. Nguyen by kind, 2017 to 2025

$1.5Kin total
  • Travel and lodging$1,09975%
  • Food and beverage$37625%

Companies that paid Dr. Nguyen the most, 2017 to 2025

Share is of all general payments to this clinician.

See all payments to Dr. Nguyen

Source: Open Payments (CMS), 2025 data, released July 7, 2026

Dr. Deanna Diemanh Nguyen has 1 award and honors on record

Dmand AI lists 1 award for Dr. Nguyen, most recently CMS Stage 1 2012 in 2012.

Awards and honors for Dr. Nguyen

  1. 2012
    • CMS Stage 1 2012

Source: Dmand AI Professional Profile Data

Dr. Deanna Diemanh Nguyen graduated from Harvard Medical School

Dr. Nguyen graduated from Harvard Medical School in 2001.

  1. Medical schoolHarvard Medical School

Source: Dmand AI Professional Profile Data

Dr. Deanna Diemanh Nguyen accepts plans from 2 insurance carriers

Dr. Nguyen is in network with 2 carriers, including RI State Medicaid and VT State Medicaid. Medicaid plans come from the most carriers, 2. Check the plan with the practice before a visit.

  • RI State Medicaid
  • VT State Medicaid

Source: Dmand AI Insurance Network Data

Sources for Dr. Deanna Diemanh Nguyen'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 phoneDmand AI Affiliation Data
Primary practice, affiliations and health systemDmand AI Affiliation DataDmand AI Org Hierarchy Data
Medicare patients and the all-payer patient panelDmand AI Patient Panel Data
Publications, topics and co-authorsPubMed (National Library of Medicine) (opens in a new tab)Dmand AI Research Linkage
Industry paymentsOpen Payments (CMS) (opens in a new tab)
Awards and committee rolesDmand AI Professional Profile Data
Training, board certification and membershipsDmand AI Professional Profile Data
Insurance carriers and plan typesDmand AI Insurance Network Data
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 Dr. Deanna Diemanh Nguyen

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. Deanna Diemanh Nguyen's NPI number?

Dr. Deanna Diemanh Nguyen's NPI number is 1184603185. It was assigned on January 10, 2006, and it is active in the NPI Registry.

What kind of doctor is Dr. Deanna Diemanh Nguyen?

Dr. Deanna Diemanh Nguyen is a gastroenterologist in San Francisco, California. The primary specialty in the NPI Registry is Gastroenterology Physician (taxonomy code 207RG0100X).

Where does Dr. Deanna Diemanh Nguyen practice?

Dr. Nguyen practices at 4150 Clement Street, San Francisco, CA 94121. Dr. Nguyen's primary practice is San Francisco VA Medical Center in San Francisco, California, part of Veterans Health Administration.

What is Dr. Deanna Diemanh Nguyen's office phone number?

The practice phone on file for Dr. Nguyen is (415) 221-4810.

What is Dr. Deanna Diemanh Nguyen's medical license number?

Dr. Nguyen's Massachusetts license number on file is 219514, one of the licenses on file in 2 states.

Which states has Dr. Deanna Diemanh Nguyen been licensed in?

Dmand AI has state licenses on file for Dr. Nguyen in Massachusetts (2003 to 2022) and California (2018 to 2025).

Which hospitals is Dr. Deanna Diemanh Nguyen affiliated with?

Dr. Nguyen practices at San Francisco VA Medical Center in San Francisco, California.

Where did Dr. Deanna Diemanh Nguyen go to medical school?

Dr. Nguyen graduated from Harvard Medical School in 2001.

Has Dr. Deanna Diemanh Nguyen received payments from drug or device companies?

CMS Open Payments shows $1,475 in general payments to Dr. Nguyen from 8 companies from 2017 to 2025. The largest total came from Abbvie Inc.

How long has Dr. Deanna Diemanh Nguyen been practicing?

Dr. Nguyen graduated from medical school in 2001, 25 years ago.

Show 3 more questionsShow fewer questions

Does Dr. Deanna Diemanh Nguyen do research?

Dmand AI links 25 publications to Dr. Nguyen, published from 2002 to 2023.

Who does Dr. Deanna Diemanh Nguyen publish with?

Dr. Nguyen's most frequent co-authors are Richard Aaron Hodin, MD (4 shared papers), Vijay Yajnik, MD, PhD (4 shared papers) and Elisa K. Boden, MD (2 shared papers).

What insurance does Dr. Deanna Diemanh Nguyen accept?

Dr. Nguyen is in network with 2 carriers, including RI State Medicaid and VT State Medicaid. Medicaid plans come from the most carriers, 2. Check the plan with the practice before a visit.

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