Dr. Theresa Thu Thao Nguyen, DO
- Part D claims, 2024
- 1,259
- Publications
- 1
- Industry payments
- $461
- Affiliated sites
- 1
- Medical group
- 1
- Practice address
- 1190 Veterans Blvd, Redwood City, CA 94063
- Practice phone
- Call (650) 299-2000
- Professional email
- Get professional email
- Personal email
- Get personal email
- Mobile number
- Get mobile number
Primary practice
Permanente Medical Group Inc
Redwood City, California
Find Dr. Nguyen'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 Thu Thao Nguyen is an ophthalmologist in Redwood City, California
Dr. Nguyen practices at Permanente Medical Group Inc in Redwood City, California.
Dr. Nguyen's NPI, 1427206093, was assigned on September 8, 2008. Dr. Nguyen graduated from Touro College of Osteopathic Medicine - New York in 2006. Dr. Nguyen's District of Columbia license number on file is DO034365.
- NPI
- 1427206093NPI Registry (opens in a new tab)
- Medicare PAC ID
- 6800054388
- NPI enumeration date
- September 8, 2008
- NPI status
- Active
- Accepts Medicare assignment
- Yes
- Practice phone
- (650) 299-2000
- Professional email
- Get email
- Personal email
- Get email
- Mobile number
- Get number
- Sex
- Female
- Estimated age
- 46
- Medical school graduation
- 2006
Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; Dmand AI Practice Data; and Doctors and Clinicians National Downloadable File (CMS)
Dr. Theresa Thu Thao Nguyen practices at Permanente Medical Group Inc in Redwood City, California
Dr. Nguyen's primary practice is Permanente Medical Group Inc, at 1190 Veterans Blvd, Redwood City, CA 94063 in San Mateo County. The practice phone is (650) 299-2000.
- Permanente Medical Group Inc1190 Veterans Blvd, Redwood City, CA 94063 · San Mateo CountyPhone(650) 299-2000
Sources: NPPES NPI Registry (CMS); and Dmand AI Practice Data
Dr. Theresa Thu Thao Nguyen is affiliated with 2 sites of care and 1 medical group
Dr. Nguyen's primary practice is Permanente Medical Group Inc in Redwood City, California. The medical group on file is The Permanente Medical Group, Inc. Dmand AI also links Dr. Nguyen to 1 more group practice or clinic, named with a free account.
Sources: NPPES NPI Registry (CMS); Dmand AI Practice Data; and Dmand AI Affiliation Data
Dmand AI tracks the EHR system at Dr. Theresa Thu Thao 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.
| Site | EHR vendor and product |
|---|---|
| Permanente Medical Group Inc | Available with a free account |
| +1 more affiliated site | Available with a free account |
Source: Dmand AI Technology Install Data
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Dr. Theresa Thu Thao Nguyen is one of 2,621 ophthalmologists in California
Ophthalmology is Dr. Nguyen's primary specialty in the NPI Registry, under taxonomy code 207W00000X. Dr. Nguyen is board certified in ophthalmology by the AOA Board of Ophthalmology and Otolaryngology. Dmand AI has Dr. Nguyen's licenses on file in 7 states: District of Columbia, California, Maryland, Virginia, New York, New Jersey and Illinois.
Specialties and state licenses
- Ophthalmology, District of ColumbiaPrimary
- California license
- Maryland license
- Virginia license
- New York license
- New Jersey license
- Illinois license
Clinical focus
Dmand AI lists cataract and dry eye among the conditions Dr. Nguyen treats.
Ophthalmologists near Dr. Nguyen
Counts of ophthalmologists 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 Thu Thao 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 64% 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
- Women64%
- Men34%
Source: Dmand AI Patient Panel Data
Dr. Theresa Thu Thao Nguyen wrote 1,259 Medicare Part D claims in 2024
In 2024, Dr. Nguyen wrote 1,259 Medicare Part D claims for 307 patients. 71% of them were for generic drugs. CMS names the drug for 1,188 of them, across 19 drugs with 11 or more claims each, at $67,520 in total drug cost. In 2023, CMS named 1,217 claims across 20 drugs.
Dr. Nguyen's Part D claims by kind of drug, 2024
- Generic899 claims71%
- Brand-name360 claims29%
Dr. Nguyen's most prescribed drugs by claims, 2024
CMS names a drug when it has 11 or more claims. Share is of the claims for drugs CMS names.
Drug classes CMS tracks in Dr. Nguyen's Part D claims, 2024
- Opioids1%13 of 1,259 claims
- Antibiotics1%11 of 1,259 claims
Share of all Part D claims for each drug class CMS reports on. Classes with no claims are left out.
Part D claims for drugs CMS names, 2023 to 2024
- 2023
- 2024
- Claims for drugs CMS names
- 2023: 1,2172024: 1,1882%
Drugs named by CMS: 19 in 2024, 20 in 2023.
Sources: Medicare Part D Prescribers - by Provider and Drug (CMS), 2024 data, released May 6, 2026; and Medicare Part D Prescribers - by Provider (CMS), 2024 data
How Dr. Theresa Thu Thao Nguyen takes part in Medicare
Dr. Nguyen accepts Medicare assignment, so Medicare's approved amount is taken as full payment.
- Accepts Medicare assignment
- Yes
Cataract surgery: 1 to 10 procedures (CMS shows small counts as a range)
Sources: Doctors and Clinicians National Downloadable File (CMS); and Doctors and Clinicians Utilization Data (CMS)
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Dr. Theresa Thu Thao Nguyen has 1 publication on record
Dmand AI links 1 paper to Dr. Nguyen in 2011. Dr. Nguyen's most frequent co-author is Robert Adam Latkany, MD.
Dr. Nguyen's most frequent co-authors
Recent publications by Dr. Nguyen
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 ophthalmologists.
Sources: PubMed (National Library of Medicine); and Dmand AI Research Linkage
Dr. Theresa Thu Thao Nguyen received $461 in industry payments from 2016 to 2024
CMS Open Payments shows 6 general payments to Dr. Nguyen from 6 drug and device companies from 2016 to 2024. Food and beverage make up the largest share, 99% of the total. Alcon Laboratories Inc paid the most, $149.
General payments to Dr. Nguyen by program year, 2016 to 2024
General payments to Dr. Nguyen by kind, 2016 to 2024
- Food and beverage$45599%
- Education$51%
Companies that paid Dr. Nguyen the most, 2016 to 2024
Share is of all general payments to this clinician.
Source: Open Payments (CMS), 2025 data, released July 7, 2026
Dr. Theresa Thu Thao Nguyen graduated from Touro College of Osteopathic Medicine - New York
Dr. Nguyen graduated from Touro College of Osteopathic Medicine - New York in 2006. Dr. Nguyen is a member of AOA.
- Medical school
- Board certified in ophthalmology
Source: Dmand AI Professional Profile Data
Dr. Theresa Thu Thao Nguyen accepts plans from 2 insurance carriers
Dr. Nguyen is in network with 2 carriers, including Kaiser Permanente and CMS Medicare. EPO plans come from the most carriers, 1. Check the plan with the practice before a visit.
- Kaiser Permanente
- CMS Medicare
Plan types Dr. Nguyen accepts, by number of carriers
- EPO1
- HMO1
- Medicare1
- POS1
Source: Dmand AI Insurance Network Data
Sources for Dr. Theresa Thu Thao Nguyen'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 | NPPES NPI Registry (CMS) (opens in a new tab)Dmand AI Practice Data |
| Primary practice, affiliations and health system | NPPES NPI Registry (CMS) (opens in a new tab)Dmand AI Practice DataDmand AI Affiliation 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)Medicare Part D Prescribers - by Provider (CMS) (opens in a new tab) |
| MIPS scores, telehealth, assignment and procedure percentiles | Doctors and Clinicians National Downloadable File (CMS) (opens in a new tab)Doctors and Clinicians Utilization Data (CMS) (opens in a new tab) |
| Publications, topics and co-authors | PubMed (National Library of Medicine) (opens in a new tab)Dmand AI Research Linkage |
| Industry payments | Open Payments (CMS) (opens in a new tab) |
| Training, board certification and memberships | Dmand AI Professional Profile Data |
| Insurance carriers and plan types | Dmand AI Insurance Network 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 Dr. Theresa Thu Thao 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. Theresa Thu Thao Nguyen's NPI number?
Dr. Theresa Thu Thao Nguyen's NPI number is 1427206093. It was assigned on September 8, 2008, and it is active in the NPI Registry.
What kind of doctor is Dr. Theresa Thu Thao Nguyen?
Dr. Theresa Thu Thao Nguyen is an ophthalmologist in Redwood City, California. The primary specialty in the NPI Registry is Ophthalmology Physician (taxonomy code 207W00000X).
Where does Dr. Theresa Thu Thao Nguyen practice?
Dr. Nguyen practices at 1190 Veterans Blvd, Redwood City, CA 94063. Dr. Nguyen's primary practice is Permanente Medical Group Inc in Redwood City, California. Dmand AI also links Dr. Nguyen to 1 group practice or clinic.
What is Dr. Theresa Thu Thao Nguyen's office phone number?
The practice phone on file for Dr. Nguyen is (650) 299-2000.
What is Dr. Theresa Thu Thao Nguyen's medical license number?
Dr. Nguyen's District of Columbia license number on file is DO034365, one of the licenses on file in 7 states.
Which states has Dr. Theresa Thu Thao Nguyen been licensed in?
Dmand AI has state licenses on file for Dr. Nguyen in District of Columbia (2011 to 2013), California (2014 to 2026), Maryland (2011 to 2015), Virginia (2011 to 2014), New York (2010 to 2012), New Jersey (2010 to 2011) and Illinois (2006 to 2010).
What medical group is Dr. Theresa Thu Thao Nguyen part of?
Dr. Nguyen is linked to The Permanente Medical Group, Inc.
Does Dr. Theresa Thu Thao Nguyen accept Medicare?
Yes. CMS lists Dr. Nguyen as accepting Medicare assignment.
Is Dr. Theresa Thu Thao Nguyen board certified?
Yes. Dr. Nguyen is board certified in ophthalmology by the AOA Board of Ophthalmology and Otolaryngology.
Where did Dr. Theresa Thu Thao Nguyen go to medical school?
Dr. Nguyen graduated from Touro College of Osteopathic Medicine - New York in 2006.
Show 6 more questionsShow fewer questions
What drugs does Dr. Theresa Thu Thao Nguyen prescribe most?
In 2024 Medicare Part D data, Dr. Nguyen's most prescribed drugs by claims were Prednisolone Acetate, Latanoprost and Polymyxin B Sul-Trimethoprim.
Has Dr. Theresa Thu Thao Nguyen received payments from drug or device companies?
CMS Open Payments shows $461 in general payments to Dr. Nguyen from 6 companies from 2016 to 2024. The largest total came from Alcon Laboratories Inc.
How long has Dr. Theresa Thu Thao Nguyen been practicing?
Dr. Nguyen graduated from medical school in 2006, 20 years ago.
Does Dr. Theresa Thu Thao Nguyen do research?
Dmand AI links 1 publication to Dr. Nguyen.
Who does Dr. Theresa Thu Thao Nguyen publish with?
Dr. Nguyen's most frequent co-authors are Robert Adam Latkany, MD (1 shared paper).
What insurance does Dr. Theresa Thu Thao Nguyen accept?
Dr. Nguyen is in network with 2 carriers, including Kaiser Permanente and CMS Medicare. EPO plans come from the most carriers, 1. Check the plan with the practice before a visit.
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