Vanessa C. Tieu
- Medicare services, 2024
- 32
- Medicare patients, 2024
- 12
- Part D claims, 2024
- 192
- Hospital affiliations
- 2
- Medical group
- 1
- Practice address
- 2425 Geary Blvd, San Francisco, CA 94115
- Practice phone
- Call (415) 833-2646
- Professional email
- Get professional email
- Personal email
- Get personal email
- Mobile number
- Get mobile number
Primary practice
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Vanessa C. Tieu is an internist in San Francisco, California
Vanessa Tieu practices at San Francisco Medical Center in San Francisco, California, part of Kaiser Permanente.
Vanessa Tieu's NPI, 1245486430, was assigned on August 7, 2008. Vanessa Tieu graduated from Northeastern Ohio University College of Medicine in 2006. Vanessa Tieu holds Illinois license 125051830.
- NPI
- 1245486430NPI Registry (opens in a new tab)
- Medicare PAC ID
- 2567657190
- NPI enumeration date
- August 7, 2008
- NPI status
- Active
- Accepts Medicare assignment
- Yes
- Practice phone
- (415) 833-2646
- 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 Affiliation Data; and Doctors and Clinicians National Downloadable File (CMS)
Vanessa C. Tieu practices at San Francisco Medical Center in San Francisco, California
Vanessa Tieu's primary practice is San Francisco Medical Center, at 2425 Geary Blvd, San Francisco, CA 94115 in San Francisco County. The practice phone is (415) 833-2646.
- San Francisco Medical Center2425 Geary Blvd, San Francisco, CA 94115 · San Francisco CountyPhone(415) 833-2646
Source: Dmand AI Affiliation Data
Vanessa C. Tieu is affiliated with 2 sites of care and 1 medical group
Vanessa Tieu's primary practice is San Francisco Medical Center in San Francisco, California, part of Kaiser Permanente. Vanessa Tieu is also affiliated with Rush University Medical Center. The medical group on file is The Permanente Medical Group, Inc.
Sources: Dmand AI Affiliation Data; and Dmand AI Org Hierarchy Data
Dmand AI tracks the EHR system at Vanessa C. Tieu's practice
Dmand AI tracks the electronic health record (EHR) system at each site where Vanessa Tieu practices, 2 sites in all. Vendor and product names are available with a free account.
| Site | EHR vendor and product |
|---|---|
| San Francisco Medical Center | Available with a free account |
| +1 more affiliated site | Available with a free account |
Source: Dmand AI Technology Install Data
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Vanessa C. Tieu is one of 16,751 internists in California
Internal medicine is Vanessa Tieu's primary specialty in the NPI Registry, under taxonomy code 207R00000X. Vanessa Tieu is licensed in Illinois.
Specialties and state licenses
- Internal medicine, IllinoisPrimary
Internists near Vanessa Tieu
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
Vanessa C. Tieu billed Medicare for 32 services in 2024
CMS data shows 32 Medicare services from Vanessa Tieu across 1 procedure code in 2024, for 12 Medicare patients. Medicare paid $2,230 for them. Every service was in a facility, such as a hospital, rather than an office.
Vanessa Tieu's Medicare services by type, 2021 to 2024
- 2021
- 2024
- Office and hospital visits
- 2021: 552024: 3242%
Vanessa Tieu compared with the California median for internists, 2024
- Vanessa Tieu
- California median
- Medicare services
- 32vs 36191% below
- Medicare patients
- 12vs 15192% below
- Part D claims
- 23vs 42195% below
Medians across 15,815 internists in California with Dmand AI profiles that report each measure.
Vanessa Tieu's most billed Medicare procedure codes, 2024
CMS publishes codes billed for 11 or more Medicare patients. Each label is the code family; CPT descriptions are licensed by the AMA.
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Sources: Medicare Physician & Other Practitioners - by Provider and Service (CMS), 2024 data; and Dmand AI Peer Benchmarks
Vanessa C. Tieu treated 12 Medicare patients in 2024, average age 65
CMS counts 12 Medicare patients who saw Vanessa Tieu in 2024. The largest group is 85 and over, with 0 patients. Their average risk score is 3.85, where 1.00 is the Medicare average, so they are sicker than most Medicare patients.
Across all payers, Dmand AI patient panel data puts Vanessa Tieu's median patient age at 76, with 50% women.
Vanessa Tieu's Medicare patients by age, 2024
CMS leaves out age groups with fewer than 11 patients.
Vanessa Tieu's patients across all payers
Dmand AI patient panel data covers Medicare, Medicaid and commercial patients.
Patient panel by age, all payers
Median age 76
Patient panel by sex, all payers
- Women50%
- Men50%
Sources: Dmand AI Patient Panel Data; and Medicare Physician & Other Practitioners - by Provider (CMS), 2024 data
Vanessa C. Tieu wrote 192 Medicare Part D claims in 2024
In 2024, Vanessa Tieu wrote 192 Medicare Part D claims for 83 patients. 80% of them were for generic drugs. CMS names the drug for 23 of them, across 2 drugs with 11 or more claims each, at $228 in total drug cost. In 2022, CMS named 56 claims across 4 drugs.
Vanessa Tieu's Part D claims by kind of drug, 2024
- Generic154 claims80%
- Brand-name and other38 claims20%
Vanessa Tieu'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 Vanessa Tieu's Part D claims, 2024
- Antibiotics15%28 of 192 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, 2022 to 2024
- 2022
- 2024
- Claims for drugs CMS names
- 2022: 562024: 2359%
Drugs named by CMS: 2 in 2024, 4 in 2022.
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 Vanessa C. Tieu takes part in Medicare
Vanessa Tieu 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)
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Vanessa C. Tieu graduated from Northeastern Ohio University College of Medicine
Vanessa Tieu graduated from Northeastern Ohio University College of Medicine in 2006.
- Medical school
Source: Dmand AI Professional Profile Data
Sources for Vanessa C. Tieu'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 services and procedure codes | Medicare Physician & Other Practitioners - by Provider and Service (CMS) (opens in a new tab) |
| State medians for the same specialty | Dmand AI Peer Benchmarks |
| Medicare patients and the all-payer patient panel | Dmand AI Patient Panel DataMedicare Physician & Other Practitioners - by Provider (CMS) (opens in a new tab) |
| 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) |
| 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 Vanessa C. Tieu
Spotted something out of date? Email hello@dmand.ai and we will check the record. Contact details live in the free trial.
What is Vanessa C. Tieu's NPI number?
Vanessa C. Tieu's NPI number is 1245486430. It was assigned on August 7, 2008, and it is active in the NPI Registry.
What does Vanessa C. Tieu specialize in?
Vanessa C. Tieu is an internist in San Francisco, California. The primary specialty in the NPI Registry is Internal Medicine Physician (taxonomy code 207R00000X).
Where does Vanessa C. Tieu practice?
Vanessa Tieu practices at 2425 Geary Blvd, San Francisco, CA 94115. Vanessa Tieu's primary practice is San Francisco Medical Center in San Francisco, California, part of Kaiser Permanente.
What is Vanessa C. Tieu's office phone number?
The practice phone on file for Vanessa Tieu is (415) 833-2646.
What is Vanessa C. Tieu's medical license number?
Vanessa Tieu holds Illinois license 125051830.
Which hospitals is Vanessa C. Tieu affiliated with?
Vanessa Tieu practices at San Francisco Medical Center in San Francisco, California. Vanessa Tieu is also affiliated with Rush University Medical Center.
What medical group is Vanessa C. Tieu part of?
Vanessa Tieu is linked to The Permanente Medical Group, Inc.
Does Vanessa C. Tieu accept Medicare?
Yes. CMS data shows Vanessa Tieu billed Medicare for 32 services in 2024, and Vanessa Tieu accepts Medicare assignment.
How many Medicare patients does Vanessa C. Tieu see?
CMS counts 12 Medicare patients who saw Vanessa Tieu in 2024, with an average age of 65.
What services does Vanessa C. Tieu bill to Medicare?
In 2024, Vanessa Tieu's most billed Medicare services were hospital inpatient care (99232).
Show 3 more questionsShow fewer questions
Where did Vanessa C. Tieu go to medical school?
Vanessa Tieu graduated from Northeastern Ohio University College of Medicine in 2006.
What drugs does Vanessa C. Tieu prescribe most?
In 2024 Medicare Part D data, Vanessa Tieu's most prescribed drugs by claims were Furosemide and Carvedilol.
How long has Vanessa C. Tieu been practicing?
Vanessa Tieu graduated from medical school in 2006, 20 years ago.
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