Tiffany Chi
- Medicare services, 2024
- 14
- Medicare patients, 2024
- 24
- Part D claims, 2024
- 19
- Hospital affiliations
- 1
- Medical group
- 1
- Practice address
- 450 Stanyan St, San Francisco, CA 94117
- Practice phone
- Call (415) 353-4739
- Professional email
- Get professional email
- Personal email
- Get personal email
- Mobile number
- Get mobile number
Primary practice
UCSF St Mary's Hospital
San Francisco, California
Find Tiffany Chi'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.
Tiffany Chi is an internist in San Francisco, California
Tiffany Chi practices at UCSF St Mary's Hospital in San Francisco, California.
Tiffany Chi's NPI, 1609452382, was assigned on March 22, 2021. Tiffany Chi holds California license A194936.
- NPI
- 1609452382NPI Registry (opens in a new tab)
- Medicare PAC ID
- 7214477645
- NPI enumeration date
- March 22, 2021
- NPI status
- Active
- Accepts Medicare assignment
- Yes
- Offers telehealth
- Yes
- Practice phone
- (415) 353-4739
- Professional email
- Get email
- Personal email
- Get email
- Mobile number
- Get number
- Sex
- Female
- Estimated age
- 31
- Medical school graduation
- 2021
Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; Dmand AI Practice Data; and Doctors and Clinicians National Downloadable File (CMS)
Tiffany Chi practices at UCSF St Mary's Hospital in San Francisco, California
Tiffany Chi's primary practice is UCSF St Mary's Hospital, at 450 Stanyan St, San Francisco, CA 94117 in San Francisco County. The practice phone is (415) 353-4739.
- UCSF St Mary's Hospital450 Stanyan St, San Francisco, CA 94117 · San Francisco CountyPhone(415) 353-4739
Sources: NPPES NPI Registry (CMS); and Dmand AI Practice Data
Tiffany Chi is affiliated with 3 sites of care and 1 medical group
Tiffany Chi's primary practice is UCSF St Mary's Hospital in San Francisco, California. Tiffany Chi is also affiliated with Mills-Peninsula Medical Center. The medical group on file is Palo Alto Foundation Medical Group. Dmand AI also links Tiffany Chi to 1 more home health agency, named with a free account.
Sources: NPPES NPI Registry (CMS); Dmand AI Practice Data; Dmand AI Affiliation Data; and Dmand AI Org Hierarchy Data
Dmand AI tracks the EHR system at Tiffany Chi's practice
Dmand AI tracks the electronic health record (EHR) system at each site where Tiffany Chi practices, 2 sites in all. Vendor and product names are available with a free account.
| Site | EHR vendor and product |
|---|---|
| UCSF St Mary's Hospital | Available with a free account |
| +2 more affiliated sites | Available with a free account |
Source: Dmand AI Technology Install Data
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Tiffany Chi is one of 16,751 internists in California
Internal medicine is Tiffany Chi's primary specialty in the NPI Registry, under taxonomy code 207R00000X. Tiffany Chi is licensed in California.
Specialties and state licenses
- Internal medicine, CaliforniaPrimary
Internists near Tiffany Chi
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
Tiffany Chi billed Medicare for 14 services in 2024
CMS data shows 14 Medicare services from Tiffany Chi across 1 procedure code in 2024, all of them office visits, for 24 Medicare patients. Medicare paid $1,223 for them. Every service was in an office.
Tiffany Chi compared with the California median for internists, 2024
- Tiffany Chi
- California median
- Medicare services
- 14vs 36196% below
- Medicare patients
- 24vs 15184% below
Medians across 15,815 internists in California with Dmand AI profiles that report each measure.
Tiffany Chi'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.
Need commercial claims for Tiffany Chi?
Medicare shows one payer. Book a meeting to get commercial claims data for Tiffany Chi and other internists in California.
Sources: Medicare Physician & Other Practitioners - by Provider and Service (CMS), 2024 data; and Dmand AI Peer Benchmarks
Tiffany Chi treated 24 Medicare patients in 2024, average age 73
CMS counts 24 Medicare patients who saw Tiffany Chi in 2024. 63% of them have high blood pressure, and 54% have high cholesterol. Their average risk score is 1.15, where 1.00 is the Medicare average.
Across all payers, Dmand AI patient panel data puts Tiffany Chi's median patient age at 56, with 71% women.
Chronic conditions among Tiffany Chi's Medicare patients, 2024
- High blood pressure63%
- High cholesterol54%
Share of Medicare patients with each condition. A patient can have several.
Tiffany Chi's patients across all payers
Dmand AI patient panel data covers Medicare, Medicaid and commercial patients.
Patient panel by age, all payers
Median age 56
Patient panel by sex, all payers
- Women71%
- Men26%
Sources: Dmand AI Patient Panel Data; and Medicare Physician & Other Practitioners - by Provider (CMS), 2024 data
Tiffany Chi wrote 19 Medicare Part D claims in 2024
In 2024, Tiffany Chi wrote 19 Medicare Part D claims for 15 patients. 95% of them were for generic drugs.
Tiffany Chi's Part D claims by kind of drug, 2024
- Generic18 claims95%
- Brand-name and other1 claims5%
Source: Medicare Part D Prescribers - by Provider (CMS), 2024 data
Tiffany Chi offers telehealth to Medicare patients
Tiffany Chi accepts Medicare assignment, so Medicare's approved amount is taken as full payment. CMS lists Tiffany Chi as offering telehealth.
- Accepts Medicare assignment
- Yes
- Offers telehealth
- Yes
Source: Doctors and Clinicians National Downloadable File (CMS)
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Sources for Tiffany Chi'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 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 (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) |
| 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 Tiffany Chi
Spotted something out of date? Email hello@dmand.ai and we will check the record. Contact details live in the free trial.
What is Tiffany Chi's NPI number?
Tiffany Chi's NPI number is 1609452382. It was assigned on March 22, 2021, and it is active in the NPI Registry.
What does Tiffany Chi specialize in?
Tiffany Chi is an internist in San Francisco, California. The primary specialty in the NPI Registry is Internal Medicine Physician (taxonomy code 207R00000X).
Where does Tiffany Chi practice?
Tiffany Chi practices at 450 Stanyan St, San Francisco, CA 94117. Tiffany Chi's primary practice is UCSF St Mary's Hospital in San Francisco, California. Dmand AI also links Tiffany Chi to 1 home health agency.
What is Tiffany Chi's office phone number?
The practice phone on file for Tiffany Chi is (415) 353-4739.
What is Tiffany Chi's medical license number?
Tiffany Chi holds California license A194936.
Which hospitals is Tiffany Chi affiliated with?
Tiffany Chi is affiliated with Mills-Peninsula Medical Center.
What medical group is Tiffany Chi part of?
Tiffany Chi is linked to Palo Alto Foundation Medical Group.
Does Tiffany Chi accept Medicare?
Yes. CMS data shows Tiffany Chi billed Medicare for 14 services in 2024, and Tiffany Chi accepts Medicare assignment.
Does Tiffany Chi offer telehealth?
Yes. The CMS Doctors and Clinicians file lists Tiffany Chi as offering telehealth services.
How many Medicare patients does Tiffany Chi see?
CMS counts 24 Medicare patients who saw Tiffany Chi in 2024, with an average age of 73.
What services does Tiffany Chi bill to Medicare?
In 2024, Tiffany Chi's most billed Medicare services were office visit, established patient (99213).
How long has Tiffany Chi been practicing?
Tiffany Chi graduated from medical school in 2021, 5 years ago.
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