Tiffany Lillian Cheng
- Medicare services, 2024
- 75
- Medicare patients, 2024
- 72
- Part D claims, 2024
- 81
- Publications
- 6
- MIPS score, 2024
- 97
- Practice address
- 222 W 39th Ave, San Mateo, CA 94403
- Practice phone
- Call (650) 573-2222
- Professional email
- Get professional email
- Personal email
- Get personal email
- Mobile number
- Get mobile number
Primary practice
Find Tiffany Cheng's professional email, personal email and mobile number
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Tiffany Lillian Cheng is an emergency medicine physician in San Mateo, California
Tiffany Cheng practices at San Mateo Medical Center in San Mateo, California, part of County of San Mateo, California.
Tiffany Cheng's NPI, 1932561396, was assigned on March 24, 2016. Tiffany Cheng graduated from WashU Medicine in 2016. Tiffany Cheng holds California license A153486.
- NPI
- 1932561396NPI Registry (opens in a new tab)
- Medicare PAC ID
- 0042559593
- NPI enumeration date
- March 24, 2016
- NPI status
- Active
- Accepts Medicare assignment
- Yes
- Practice phone
- (650) 573-2222
- Professional email
- Get email
- Personal email
- Get email
- Mobile number
- Get number
- Sex
- Female
- Estimated age
- 36
- Medical school graduation
- 2016
Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; Dmand AI Affiliation Data; and Doctors and Clinicians National Downloadable File (CMS)
Tiffany Lillian Cheng practices at San Mateo Medical Center in San Mateo, California
Tiffany Cheng's primary practice is San Mateo Medical Center, at 222 W 39th Ave, San Mateo, CA 94403 in San Mateo County. The practice phone is (650) 573-2222.
- San Mateo Medical Center222 W 39th Ave, San Mateo, CA 94403 · San Mateo CountyPhone(650) 573-2222
Source: Dmand AI Affiliation Data
Tiffany Lillian Cheng is affiliated with 3 sites of care and 1 medical group
Tiffany Cheng's primary practice is San Mateo Medical Center in San Mateo, California, part of County of San Mateo, California. Tiffany Cheng is also affiliated with UCSF Helen Diller Medical Center at Parnassus Heights. The medical group on file is Vituity. Dmand AI also links Tiffany Cheng to 1 more skilled nursing facility, named with a free account.
Sources: Dmand AI Affiliation Data; and Dmand AI Org Hierarchy Data
Dmand AI tracks the EHR system at Tiffany Lillian Cheng's practice
Dmand AI tracks the electronic health record (EHR) system at each site where Tiffany Cheng practices, 3 sites in all. Vendor and product names are available with a free account.
| Site | EHR vendor and product |
|---|---|
| San Mateo Medical Center | Available with a free account |
| +2 more affiliated sites | Available with a free account |
Source: Dmand AI Technology Install Data
For health IT teams
Dmand AI maps EHR vendors, IT decision makers and buying committees across County of San Mateo, California and 6.2K+ hospitals, with verified contacts in the same login.
Tiffany Lillian Cheng is one of 7,423 emergency medicine physicians in California
Emergency medicine is Tiffany Cheng's primary specialty in the NPI Registry, under taxonomy code 207P00000X. Tiffany Cheng is board certified in emergency medicine by the American Board of Emergency Medicine. Dmand AI has Tiffany Cheng's licenses on file in 2 states: California and Northern Mariana Islands.
Specialties and state licenses
- Emergency medicine, CaliforniaPrimary
- Northern Mariana Islands license
Emergency medicine physicians near Tiffany Cheng
Counts of emergency medicine physicians 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 Lillian Cheng billed Medicare for 75 services in 2024
CMS data shows 75 Medicare services from Tiffany Cheng across 3 procedure codes in 2024, for 72 Medicare patients. Medicare paid $7,692 for them. Every service was in a facility, such as a hospital, rather than an office.
Tiffany Cheng's Medicare services by type, 2023 to 2024
- 2023
- 2024
- Office and hospital visits
- 2023: 782024: 6023%
- Tests and treatments
- 2023: 122024: 1525%
Tiffany Cheng compared with the California median for emergency medicine physicians, 2024
- Tiffany Cheng
- California median
- Medicare services
- 75vs 26572% below
- Medicare patients
- 72vs 24370% below
- Part D claims
- 13vs 6279% below
Medians across 7,079 emergency medicine physicians in California with Dmand AI profiles that report each measure.
Tiffany Cheng'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 Cheng?
Medicare shows one payer. Book a meeting to get commercial claims data for Tiffany Cheng and other emergency medicine physicians in California.
Sources: Medicare Physician & Other Practitioners - by Provider and Service (CMS), 2024 data; and Dmand AI Peer Benchmarks
Tiffany Lillian Cheng treated 72 Medicare patients in 2024, average age 68
CMS counts 72 Medicare patients who saw Tiffany Cheng in 2024. The largest group is 65 to 74, with 33 patients. 75% of them have high blood pressure, and 58% have high cholesterol. Their average risk score is 1.77, where 1.00 is the Medicare average, so they are sicker than most Medicare patients.
Across all payers, Dmand AI patient panel data puts Tiffany Cheng's median patient age at 39, with 53% women.
Tiffany Cheng's Medicare patients by age, 2024
CMS leaves out age groups with fewer than 11 patients.
Tiffany Cheng's Medicare patients by sex, 2024
- Women3853%
- Men3447%
Chronic conditions among Tiffany Cheng's Medicare patients, 2024
- High blood pressure75%
- High cholesterol58%
- Diabetes39%
- Mood disorders38%
- Anxiety36%
- Depression35%
- Arthritis33%
- Chronic kidney disease28%
Share of Medicare patients with each condition. A patient can have several.
Tiffany Cheng's patients across all payers
Dmand AI patient panel data covers Medicare, Medicaid and commercial patients.
Patient panel by age, all payers
Median age 39
Patient panel by sex, all payers
- Women53%
- Men46%
Sources: Dmand AI Patient Panel Data; and Medicare Physician & Other Practitioners - by Provider (CMS), 2024 data
Tiffany Lillian Cheng wrote 81 Medicare Part D claims in 2024
In 2024, Tiffany Cheng wrote 81 Medicare Part D claims for 60 patients. 90% of them were for generic drugs. CMS names the drug for 13 of them, across 1 drug with 11 or more claims each, at $80 in total drug cost.
Tiffany Cheng's Part D claims by kind of drug, 2024
- Generic73 claims90%
- Brand-name and other8 claims10%
Tiffany Cheng'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 Tiffany Cheng's Part D claims, 2024
- Antibiotics30%24 of 81 claims
Share of all Part D claims for each drug class CMS reports on. Classes with no claims are left out.
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
Tiffany Lillian Cheng scored 97 out of 100 in Medicare's MIPS program for 2024
CMS publishes a Merit-based Incentive Payment System (MIPS) score of 97 out of 100 for Tiffany Cheng for performance year 2024, reported as part of a group. Tiffany Cheng accepts Medicare assignment, so Medicare's approved amount is taken as full payment.
- Accepts Medicare assignment
- Yes
Tiffany Cheng's MIPS scores, performance year 2024
- 97of 100Final score
- 90of 100Quality
- 40of 100Improvement Activities
- 78of 100Cost
Each score is out of 100. The final score weighs the categories CMS scored for this clinician.
Sources: Doctors and Clinicians National Downloadable File (CMS); and Clinician Public Reporting: Overall MIPS Performance (CMS), 2024 data, released September 10, 2026
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Tiffany Lillian Cheng has 6 publications on record
Dmand AI links 6 papers to Tiffany Cheng, published from 2011 to 2015. 2013 was the busiest year, with 3. The most frequent topics are Chondrogenesis, Cartilage, Articular and Cattle. Tiffany Cheng has published most often in J Orthop Res. Tiffany Cheng's most frequent co-authors are David M. Jablons, MD, Alfred C. Kuo, MD and Natalie Shaubie Lui, MD.
Tiffany Cheng's papers by year, 2011 to 2015
Topics Tiffany Cheng writes about most
- Chondrogenesis
- Cartilage, Articular
- Cattle
- Cell Differentiation
- Cell Line, Tumor
- Cell Proliferation
- Cells, Cultured
- Chondrocytes
Tiffany Cheng's most frequent co-authors
- David M. Jablons, MD3 shared papers
- Alfred C. Kuo, MD3 shared papers
- Natalie Shaubie Lui, MD3 shared papers
Recent publications by Tiffany Cheng
Biochem Biophys Res Commun
See who Tiffany Cheng researches with
Physician Network Discovery turns co-authorship, shared hospitals and shared groups into a map of who Tiffany Cheng works with, so you can find a warm path to the right emergency medicine physicians.
Sources: PubMed (National Library of Medicine); and Dmand AI Research Linkage
Tiffany Lillian Cheng graduated from WashU Medicine
Tiffany Cheng graduated from WashU Medicine in 2016.
- Medical school
- Board certified in emergency medicine
Source: Dmand AI Professional Profile Data
Tiffany Lillian Cheng accepts plans from 3 insurance carriers
Tiffany Cheng is in network with 3 carriers, including United Healthcare, CMS Medicare and DentaQuest. Medicare plans come from the most carriers, 2. Check the plan with the practice before a visit.
- United Healthcare
- CMS Medicare
- DentaQuest
Plan types Tiffany Cheng accepts, by number of carriers
- Medicare2
- HMO1
- POS1
- PPO1
Source: Dmand AI Insurance Network Data
Sources for Tiffany Lillian Cheng'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)Clinician Public Reporting: Overall MIPS Performance (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 |
| 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 Tiffany Lillian Cheng
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 Lillian Cheng's NPI number?
Tiffany Lillian Cheng's NPI number is 1932561396. It was assigned on March 24, 2016, and it is active in the NPI Registry.
What does Tiffany Lillian Cheng specialize in?
Tiffany Lillian Cheng is an emergency medicine physician in San Mateo, California. The primary specialty in the NPI Registry is Emergency Medicine Physician (taxonomy code 207P00000X).
Where does Tiffany Lillian Cheng practice?
Tiffany Cheng practices at 222 W 39th Ave, San Mateo, CA 94403. Tiffany Cheng's primary practice is San Mateo Medical Center in San Mateo, California, part of County of San Mateo, California. Dmand AI also links Tiffany Cheng to 1 skilled nursing facility.
What is Tiffany Lillian Cheng's office phone number?
The practice phone on file for Tiffany Cheng is (650) 573-2222.
What is Tiffany Lillian Cheng's medical license number?
Tiffany Cheng holds California license A153486, one of the licenses on file in 2 states.
Which states has Tiffany Lillian Cheng been licensed in?
Dmand AI has state licenses on file for Tiffany Cheng in California (2018 to 2026) and Northern Mariana Islands (2020 to 2022).
Which hospitals is Tiffany Lillian Cheng affiliated with?
Tiffany Cheng practices at San Mateo Medical Center in San Mateo, California. Tiffany Cheng is also affiliated with UCSF Helen Diller Medical Center at Parnassus Heights.
What medical group is Tiffany Lillian Cheng part of?
Tiffany Cheng is linked to Vituity.
Does Tiffany Lillian Cheng accept Medicare?
Yes. CMS data shows Tiffany Cheng billed Medicare for 75 services in 2024, and Tiffany Cheng accepts Medicare assignment.
What is Tiffany Lillian Cheng's MIPS score?
Tiffany Cheng's MIPS final score for performance year 2024 is 97 out of 100, reported as part of a group.
Show 9 more questionsShow fewer questions
How many Medicare patients does Tiffany Lillian Cheng see?
CMS counts 72 Medicare patients who saw Tiffany Cheng in 2024, with an average age of 68.
Is Tiffany Lillian Cheng board certified?
Yes. Tiffany Cheng is board certified in emergency medicine by the American Board of Emergency Medicine.
What services does Tiffany Lillian Cheng bill to Medicare?
In 2024, Tiffany Cheng's most billed Medicare services were emergency department visit (99284), emergency department visit (99285) and heart test or procedure (93010).
Where did Tiffany Lillian Cheng go to medical school?
Tiffany Cheng graduated from WashU Medicine in 2016.
What drugs does Tiffany Lillian Cheng prescribe most?
In 2024 Medicare Part D data, Tiffany Cheng's most prescribed drugs by claims were Amoxicillin-Clavulanate Potass.
How long has Tiffany Lillian Cheng been practicing?
Tiffany Cheng graduated from medical school in 2016, 10 years ago.
Does Tiffany Lillian Cheng do research?
Dmand AI links 6 publications to Tiffany Cheng, published from 2011 to 2015.
Who does Tiffany Lillian Cheng publish with?
Tiffany Cheng's most frequent co-authors are David M. Jablons, MD (3 shared papers), Alfred C. Kuo, MD (3 shared papers) and Natalie Shaubie Lui, MD (3 shared papers).
What insurance does Tiffany Lillian Cheng accept?
Tiffany Cheng is in network with 3 carriers, including United Healthcare, CMS Medicare and DentaQuest. Medicare plans come from the most carriers, 2. Check the plan with the practice before a visit.
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