Dr. Jason Christopher Tsukamaki, MD
- Medicare services, 2024
- 965
- Medicare patients, 2024
- 581
- Part D claims, 2024
- 159
- MIPS score, 2024
- 97
- Hospital affiliations
- 2
- Practice address
- 1555 Soquel Drive, Santa Cruz, CA 95065
- Practice phone
- Call (831) 462-7700
- Professional email
- Get professional email
- Personal email
- Get personal email
- Mobile number
- Get mobile number
Primary practice
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Dr. Jason Christopher Tsukamaki is an emergency medicine physician in Santa Cruz, California
Dr. Tsukamaki practices at Dignity Health - Dominican Hospital in Santa Cruz, California, part of CommonSpirit Health.
Dr. Tsukamaki's NPI, 1215174602, was assigned on January 7, 2009. Dr. Tsukamaki graduated from UCSF School of Medicine in 2006. Dr. Tsukamaki's California license number on file is A101995.
- NPI
- 1215174602NPI Registry (opens in a new tab)
- NPI enumeration date
- January 7, 2009
- NPI status
- Active
- Practice phone
- (831) 462-7700
- Professional email
- Get email
- Personal email
- Get email
- Mobile number
- Get number
- Sex
- Male
- Medical school graduation
- 2006
Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; and Dmand AI Affiliation Data
Dr. Jason Christopher Tsukamaki practices at Dignity Health - Dominican Hospital in Santa Cruz, California
Dr. Tsukamaki's primary practice is Dignity Health - Dominican Hospital, at 1555 Soquel Drive, Santa Cruz, CA 95065 in Santa Cruz County. The practice phone is (831) 462-7700.
- Dignity Health - Dominican Hospital1555 Soquel Drive, Santa Cruz, CA 95065 · Santa Cruz CountyPhone(831) 462-7700
Source: Dmand AI Affiliation Data
Dr. Jason Christopher Tsukamaki is affiliated with 2 sites of care and 1 medical group
Dr. Tsukamaki's primary practice is Dignity Health - Dominican Hospital in Santa Cruz, California, part of CommonSpirit Health. The medical group on file is Vituity. Dmand AI also links Dr. Tsukamaki to 1 more hospital, named with a free account.
Sources: Dmand AI Affiliation Data; and Dmand AI Org Hierarchy Data
Dmand AI tracks the EHR system at Dr. Jason Christopher Tsukamaki's practice
Dmand AI tracks the electronic health record (EHR) system at each site where Dr. Tsukamaki practices, 2 sites in all. Vendor and product names are available with a free account.
| Site | EHR vendor and product |
|---|---|
| Dignity Health - Dominican Hospital | 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. Jason Christopher Tsukamaki is one of 7,423 emergency medicine physicians in California
Emergency medicine is Dr. Tsukamaki's primary specialty in the NPI Registry, under taxonomy code 207P00000X. Dr. Tsukamaki is board certified in emergency medicine by the American Board of Emergency Medicine. Dr. Tsukamaki has a license on file in California.
Specialties and state licenses
- Emergency medicine, CaliforniaPrimary
Emergency medicine physicians near Dr. Tsukamaki
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. Jason Christopher Tsukamaki billed Medicare for 965 services in 2024
CMS data shows 965 Medicare services from Dr. Tsukamaki across 4 procedure codes in 2024, for 581 Medicare patients. Medicare paid $83,727 for them. Every service was in a facility, such as a hospital, rather than an office.
Dr. Tsukamaki's Medicare services by type, 2023 to 2024
- 2023
- 2024
- Office and hospital visits
- 2023: 5962024: 5744%
- Tests and treatments
- 2023: 4072024: 3914%
Dr. Tsukamaki compared with the California median for emergency medicine physicians, 2024
- Dr. Tsukamaki
- California median
- Medicare services
- 965vs 2653.6 times
- Medicare patients
- 581vs 2432.4 times
- Part D claims
- 47vs 6224% below
Medians across 7,079 emergency medicine physicians in California with Dmand AI profiles that report each measure.
Dr. Tsukamaki'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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Medicare shows one payer. Book a meeting to get commercial claims data for Dr. Tsukamaki 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. Jason Christopher Tsukamaki treated 581 Medicare patients in 2024, average age 76
CMS counts 581 Medicare patients who saw Dr. Tsukamaki in 2024. The largest group is 65 to 74, with 202 patients. 75% of them have high blood pressure, and 71% have high cholesterol. 33% are also on Medicaid. 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 Dr. Tsukamaki's median patient age at 49, with 55% women.
Dr. Tsukamaki's Medicare patients by age, 2024
Dr. Tsukamaki's Medicare patients by sex, 2024
- Women33457%
- Men24743%
Chronic conditions among Dr. Tsukamaki's Medicare patients, 2024
- High blood pressure75%
- High cholesterol71%
- Arthritis54%
- Mood disorders39%
- Anxiety37%
- Depression35%
- Ischemic heart disease33%
- Atrial fibrillation32%
Share of Medicare patients with each condition. A patient can have several.
Dr. Tsukamaki's patients across all payers
Dmand AI patient panel data covers Medicare, Medicaid and commercial patients.
Patient panel by age, all payers
Median age 49
Patient panel by sex, all payers
- Women55%
- Men44%
Sources: Dmand AI Patient Panel Data; and Medicare Physician & Other Practitioners - by Provider (CMS), 2024 data
Dr. Jason Christopher Tsukamaki wrote 159 Medicare Part D claims in 2024
In 2024, Dr. Tsukamaki wrote 159 Medicare Part D claims for 112 patients. 91% of them were for generic drugs. CMS names the drug for 47 of them, across 3 drugs with 11 or more claims each, at $302 in total drug cost. In 2023, CMS named 35 claims across 2 drugs.
Dr. Tsukamaki's Part D claims by kind of drug, 2024
- Generic144 claims91%
- Brand-name and other15 claims9%
Dr. Tsukamaki'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. Tsukamaki's Part D claims, 2024
- Antibiotics35%56 of 159 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: 352024: 4734%
Drugs named by CMS: 3 in 2024, 2 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
Dr. Jason Christopher Tsukamaki 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 Dr. Tsukamaki for performance year 2024, reported as part of a group.
Dr. Tsukamaki'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.
Source: Clinician Public Reporting: Overall MIPS Performance (CMS), 2024 data, released September 10, 2026
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Dr. Jason Christopher Tsukamaki graduated from UCSF School of Medicine
Dr. Tsukamaki graduated from UCSF School of Medicine in 2006.
- Medical school
- Board certified in emergency medicine
Source: Dmand AI Professional Profile Data
Dr. Jason Christopher Tsukamaki accepts plans from 6 insurance carriers
Dr. Tsukamaki is in network with 6 carriers, including United Healthcare, Aspirus Health Plan and Blue Cross and Blue Shield of Kansas City. PPO plans come from the most carriers, 3. Check the plan with the practice before a visit.
- United Healthcare
- Aspirus Health Plan
- Blue Cross and Blue Shield of Kansas City
- Elevance
- HCSC
- NV State Medicaid
Plan types Dr. Tsukamaki accepts, by number of carriers
- PPO3
- POS2
- EPO1
- HMO1
- Medicaid1
- Medicare1
Source: Dmand AI Insurance Network Data
Sources for Dr. Jason Christopher Tsukamaki'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 | Clinician Public Reporting: Overall MIPS Performance (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. Jason Christopher Tsukamaki
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. Jason Christopher Tsukamaki's NPI number?
Dr. Jason Christopher Tsukamaki's NPI number is 1215174602. It was assigned on January 7, 2009, and it is active in the NPI Registry.
What kind of doctor is Dr. Jason Christopher Tsukamaki?
Dr. Jason Christopher Tsukamaki is an emergency medicine physician in Santa Cruz, California. The primary specialty in the NPI Registry is Emergency Medicine Physician (taxonomy code 207P00000X).
Where does Dr. Jason Christopher Tsukamaki practice?
Dr. Tsukamaki practices at 1555 Soquel Drive, Santa Cruz, CA 95065. Dr. Tsukamaki's primary practice is Dignity Health - Dominican Hospital in Santa Cruz, California, part of CommonSpirit Health. Dmand AI also links Dr. Tsukamaki to 1 hospital.
What is Dr. Jason Christopher Tsukamaki's office phone number?
The practice phone on file for Dr. Tsukamaki is (831) 462-7700.
What is Dr. Jason Christopher Tsukamaki's medical license number?
Dr. Tsukamaki's California license number on file is A101995.
Which hospitals is Dr. Jason Christopher Tsukamaki affiliated with?
Dr. Tsukamaki practices at Dignity Health - Dominican Hospital in Santa Cruz, California. Dmand AI links Dr. Tsukamaki to 1 more hospital.
What medical group is Dr. Jason Christopher Tsukamaki part of?
Dr. Tsukamaki is linked to Vituity.
Does Dr. Jason Christopher Tsukamaki accept Medicare?
Yes. CMS data shows Dr. Tsukamaki billed Medicare for 965 services in 2024.
What is Dr. Jason Christopher Tsukamaki's MIPS score?
Dr. Tsukamaki's MIPS final score for performance year 2024 is 97 out of 100, reported as part of a group.
How many Medicare patients does Dr. Jason Christopher Tsukamaki see?
CMS counts 581 Medicare patients who saw Dr. Tsukamaki in 2024, with an average age of 76.
Show 6 more questionsShow fewer questions
Is Dr. Jason Christopher Tsukamaki board certified?
Yes. Dr. Tsukamaki is board certified in emergency medicine by the American Board of Emergency Medicine.
What services does Dr. Jason Christopher Tsukamaki bill to Medicare?
In 2024, Dr. Tsukamaki's most billed Medicare services were emergency department visit (99285), heart test or procedure (93010) and critical care (99291).
Where did Dr. Jason Christopher Tsukamaki go to medical school?
Dr. Tsukamaki graduated from UCSF School of Medicine in 2006.
What drugs does Dr. Jason Christopher Tsukamaki prescribe most?
In 2024 Medicare Part D data, Dr. Tsukamaki's most prescribed drugs by claims were Cephalexin, Ondansetron ODT and Meclizine HCl.
How long has Dr. Jason Christopher Tsukamaki been practicing?
Dr. Tsukamaki graduated from medical school in 2006, 20 years ago.
What insurance does Dr. Jason Christopher Tsukamaki accept?
Dr. Tsukamaki is in network with 6 carriers, including United Healthcare, Aspirus Health Plan and Blue Cross and Blue Shield of Kansas City. PPO plans come from the most carriers, 3. Check the plan with the practice before a visit.
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