Dr. Nicole Tatsui D'Arcy, MD
- Medicare services, 2024
- 200
- Medicare patients, 2024
- 155
- Part D claims, 2024
- 62
- Publications
- 9
- Hospital affiliations
- 1
- Practice address
- 751 South Bascom Avenue, San Jose, CA 95128
- Practice phone
- Call (408) 885-5000
- Professional email
- Get professional email
- Personal email
- Get personal email
- Mobile number
- Get mobile number
Primary practice
Find Dr. D'Arcy'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. Nicole Tatsui D'Arcy is an emergency medicine physician in San Jose, California
Dr. D'Arcy practices at Santa Clara Valley Medical Center in San Jose, California, part of County of Santa Clara, CA.
Dr. D'Arcy's NPI, 1336585264, was assigned on May 19, 2013. Dr. D'Arcy graduated from Stanford University School Of Medicine in 2013. Dr. D'Arcy holds California license A132859.
- NPI
- 1336585264NPI Registry (opens in a new tab)
- Medicare PAC ID
- 3274802699
- NPI enumeration date
- May 19, 2013
- NPI status
- Active
- Accepts Medicare assignment
- Yes
- Practice phone
- (408) 885-5000
- Professional email
- Get email
- Personal email
- Get email
- Mobile number
- Get number
- Sex
- Female
- Estimated age
- 39
- Medical school graduation
- 2013
Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; Dmand AI Affiliation Data; and Doctors and Clinicians National Downloadable File (CMS)
Dr. Nicole Tatsui D'Arcy practices at Santa Clara Valley Medical Center in San Jose, California
Dr. D'Arcy's primary practice is Santa Clara Valley Medical Center, at 751 South Bascom Avenue, San Jose, CA 95128 in Santa Clara County. The practice phone is (408) 885-5000.
- Santa Clara Valley Medical Center751 South Bascom Avenue, San Jose, CA 95128 · Santa Clara CountyPhone(408) 885-5000
Source: Dmand AI Affiliation Data
Dr. Nicole Tatsui D'Arcy is affiliated with 2 sites of care and 2 medical groups
Dr. D'Arcy's primary practice is Santa Clara Valley Medical Center in San Jose, California, part of County of Santa Clara, CA. The medical group on file is County of Santa Clara Behavioral Health Services, Las Plumas Behavioral Health Clinic. Dmand AI also links Dr. D'Arcy to 1 more community health center and 1 medical group, each named with a free account.
Sources: Dmand AI Affiliation Data; and Dmand AI Org Hierarchy Data
Dmand AI tracks the EHR system at Dr. Nicole Tatsui D'Arcy's practice
Dmand AI tracks the electronic health record (EHR) system at each site where Dr. D'Arcy practices, 2 sites in all. Vendor and product names are available with a free account.
| Site | EHR vendor and product |
|---|---|
| Santa Clara Valley Medical Center | Available with a free account |
| +1 more site and 1 medical group | 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 Santa Clara, CA and 6.2K+ hospitals, with verified contacts in the same login.
Dr. Nicole Tatsui D'Arcy is one of 7,423 emergency medicine physicians in California
Emergency medicine is Dr. D'Arcy's primary specialty in the NPI Registry, under taxonomy code 207P00000X. Dr. D'Arcy is board certified in emergency medical services by the American Board of Emergency Medicine. Dr. D'Arcy is licensed in California.
Specialties and state licenses
- Emergency medicine, CaliforniaPrimary
Emergency medicine physicians near Dr. D'Arcy
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
Dr. Nicole Tatsui D'Arcy billed Medicare for 200 services in 2024
CMS data shows 200 Medicare services from Dr. D'Arcy across 4 procedure codes in 2024, for 155 Medicare patients. Medicare paid $18,424 for them. Every service was in a facility, such as a hospital, rather than an office.
Dr. D'Arcy's Medicare services by type, 2023 to 2024
- 2023
- 2024
- Office and hospital visits
- 2023: 2162024: 12940%
- Tests and treatments
- 2023: 822024: 7113%
Dr. D'Arcy compared with the California median for emergency medicine physicians, 2024
- Dr. D'Arcy
- California median
- Medicare services
- 200vs 26525% below
- Medicare patients
- 155vs 24336% below
- Part D claims
- 11vs 6282% below
Medians across 7,079 emergency medicine physicians in California with Dmand AI profiles that report each measure.
Dr. D'Arcy'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 Dr. D'Arcy?
Medicare shows one payer. Book a meeting to get commercial claims data for Dr. D'Arcy and other emergency medicine physicians in California.
Sources: Medicare Physician & Other Practitioners - by Provider and Service (CMS), 2024 data; and Dmand AI Peer Benchmarks
Dr. Nicole Tatsui D'Arcy treated 155 Medicare patients in 2024, average age 70
CMS counts 155 Medicare patients who saw Dr. D'Arcy in 2024. The largest group is 65 to 74, with 47 patients. 75% of them have high blood pressure, and 69% have high cholesterol. 73% are also on Medicaid. Their average risk score is 2.47, where 1.00 is the Medicare average, so they are sicker than most Medicare patients.
Across all payers, Dmand AI patient panel data puts Dr. D'Arcy's median patient age at 56, with 51% women.
Dr. D'Arcy's Medicare patients by age, 2024
Dr. D'Arcy's Medicare patients by sex, 2024
- Women7750%
- Men7850%
Chronic conditions among Dr. D'Arcy's Medicare patients, 2024
- High blood pressure75%
- High cholesterol69%
- Diabetes42%
- Mood disorders41%
- Arthritis39%
- Depression37%
- Anxiety34%
- Chronic kidney disease34%
Share of Medicare patients with each condition. A patient can have several.
Dr. D'Arcy'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
- Women51%
- Men49%
Sources: Dmand AI Patient Panel Data; and Medicare Physician & Other Practitioners - by Provider (CMS), 2024 data
Dr. Nicole Tatsui D'Arcy wrote 62 Medicare Part D claims in 2024
In 2024, Dr. D'Arcy wrote 62 Medicare Part D claims for 41 patients. 97% of them were for generic drugs. CMS names the drug for 11 of them, across 1 drug with 11 or more claims each, at $46 in total drug cost.
Dr. D'Arcy's Part D claims by kind of drug, 2024
- Generic60 claims97%
- Brand-name and other2 claims3%
Dr. D'Arcy's most prescribed drugs by claims, 2020
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. D'Arcy's Part D claims, 2024
- Antibiotics24%15 of 62 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
How Dr. Nicole Tatsui D'Arcy takes part in Medicare
Dr. D'Arcy 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)
For MedTech and pharma teams
Filter 7.4M+ HCPs by Medicare procedures, Part D drugs and Open Payments history, then reach them with verified contacts in one login.
Dr. Nicole Tatsui D'Arcy has 9 publications on record
Dmand AI links 9 papers to Dr. D'Arcy, published from 2011 to 2022. 2011 was the busiest year, with 2. The most frequent topics are Morphine, Analgesics, Opioid and Brain. Dr. D'Arcy's most frequent co-authors are Matthew John Erlendson, Gary A. Peltz, MD and Martin Stephan Angst, MD.
Dr. D'Arcy's papers by year, 2011 to 2022
Topics Dr. D'Arcy writes about most
- Morphine
- Analgesics, Opioid
- Brain
- Emergency Medical Services
- Substance Withdrawal Syndrome
Dr. D'Arcy's most frequent co-authors
- Matthew John Erlendson2 shared papers
- Gary A. Peltz, MD2 shared papers
- Martin Stephan Angst, MD1 shared paper
Recent publications by Dr. D'Arcy
Prehosp Emerg Care
Weekly Checks Improve Real-Time Prehospital ECG Transmission in Suspected STEMI (opens in a new tab)
Prehosp Disaster Med
See who Dr. D'Arcy researches with
Physician Network Discovery turns co-authorship, shared hospitals and shared groups into a map of who Dr. D'Arcy 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
Dr. Nicole Tatsui D'Arcy graduated from Stanford University School Of Medicine
Dr. D'Arcy graduated from Stanford University School Of Medicine in 2013. Dr. D'Arcy is a member of ACEP, AMA and NAEMSP.
- Medical school
- Board certified in emergency medical services
- Board certified in emergency medicine
Source: Dmand AI Professional Profile Data
Dr. Nicole Tatsui D'Arcy accepts plans from 1 insurance carrier
Dr. D'Arcy is in network with 1 carrier, including CMS Medicare. Medicare plans come from the most carriers, 1. Check the plan with the practice before a visit.
- CMS Medicare
Source: Dmand AI Insurance Network Data
Sources for Dr. Nicole Tatsui D'Arcy'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) |
| 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 Dr. Nicole Tatsui D'Arcy
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. Nicole Tatsui D'Arcy's NPI number?
Dr. Nicole Tatsui D'Arcy's NPI number is 1336585264. It was assigned on May 19, 2013, and it is active in the NPI Registry.
What kind of doctor is Dr. Nicole Tatsui D'Arcy?
Dr. Nicole Tatsui D'Arcy is an emergency medicine physician in San Jose, California. The primary specialty in the NPI Registry is Emergency Medicine Physician (taxonomy code 207P00000X).
Where does Dr. Nicole Tatsui D'Arcy practice?
Dr. D'Arcy practices at 751 South Bascom Avenue, San Jose, CA 95128. Dr. D'Arcy's primary practice is Santa Clara Valley Medical Center in San Jose, California, part of County of Santa Clara, CA. Dmand AI also links Dr. D'Arcy to 1 community health center and 1 medical group.
What is Dr. Nicole Tatsui D'Arcy's office phone number?
The practice phone on file for Dr. D'Arcy is (408) 885-5000.
What is Dr. Nicole Tatsui D'Arcy's medical license number?
Dr. D'Arcy holds California license A132859.
Which hospitals is Dr. Nicole Tatsui D'Arcy affiliated with?
Dr. D'Arcy practices at Santa Clara Valley Medical Center in San Jose, California.
What medical group is Dr. Nicole Tatsui D'Arcy part of?
Dr. D'Arcy is linked to County of Santa Clara Behavioral Health Services, Las Plumas Behavioral Health Clinic. Dmand AI links Dr. D'Arcy to 1 more medical group.
Does Dr. Nicole Tatsui D'Arcy accept Medicare?
Yes. CMS data shows Dr. D'Arcy billed Medicare for 200 services in 2024, and Dr. D'Arcy accepts Medicare assignment.
How many Medicare patients does Dr. Nicole Tatsui D'Arcy see?
CMS counts 155 Medicare patients who saw Dr. D'Arcy in 2024, with an average age of 70.
Is Dr. Nicole Tatsui D'Arcy board certified?
Yes. Dr. D'Arcy is board certified in emergency medical services by the American Board of Emergency Medicine.
Show 7 more questionsShow fewer questions
What services does Dr. Nicole Tatsui D'Arcy bill to Medicare?
In 2024, Dr. D'Arcy's most billed Medicare services were emergency department visit (99285), heart test or procedure (93010) and emergency department visit (99284).
Where did Dr. Nicole Tatsui D'Arcy go to medical school?
Dr. D'Arcy graduated from Stanford University School Of Medicine in 2013.
What drugs does Dr. Nicole Tatsui D'Arcy prescribe most?
In 2020 Medicare Part D data, Dr. D'Arcy's most prescribed drugs by claims were Cephalexin.
How long has Dr. Nicole Tatsui D'Arcy been practicing?
Dr. D'Arcy graduated from medical school in 2013, 13 years ago.
Does Dr. Nicole Tatsui D'Arcy do research?
Dmand AI links 9 publications to Dr. D'Arcy, published from 2011 to 2022.
Who does Dr. Nicole Tatsui D'Arcy publish with?
Dr. D'Arcy's most frequent co-authors are Matthew John Erlendson (2 shared papers), Gary A. Peltz, MD (2 shared papers) and Martin Stephan Angst, MD (1 shared paper).
What insurance does Dr. Nicole Tatsui D'Arcy accept?
Dr. D'Arcy is in network with 1 carrier, including CMS Medicare. Medicare plans come from the most carriers, 1. Check the plan with the practice before a visit.
Selling to emergency medicine practices?
See emergency medicine physicians in California by site of care and group
Find the practices, groups and hospitals they work with, and the right people to contact at each.
- 30 days free
- Self-serve
- No credit card