Caroline Joy Sivik, PA-C
- Medicare patients, 2024
- 530
- Part D claims, 2024
- 181
- MIPS score, 2024
- 97
- Hospital affiliations
- 5
- Industry payments
- $83
- Practice address
- 250 Bon Air Road, Greenbrae, CA 94904
- Practice phone
- Call (415) 925-7900
- Professional email
- Get professional email
- Personal email
- Get personal email
- Mobile number
- Get mobile number
Primary practice
Find Caroline Sivik's professional email, personal email and mobile number
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Caroline Joy Sivik is a physician assistant in Greenbrae, California
Caroline Sivik practices at MarinHealth Medical Center in Greenbrae, California, part of Marin Healthcare District.
Caroline Sivik's NPI, 1497213805, was assigned on March 5, 2019. Caroline Sivik holds California license 61949.
- NPI
- 1497213805NPI Registry (opens in a new tab)
- Medicare PAC ID
- 0345665808
- NPI enumeration date
- March 5, 2019
- NPI status
- Active
- Accepts Medicare assignment
- Yes
- Offers telehealth
- Yes
- Practice phone
- (415) 925-7900
- Professional email
- Get email
- Personal email
- Get email
- Mobile number
- Get number
- Sex
- Female
- Estimated age
- 32
- Medical school graduation
- 2020
Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; Dmand AI Affiliation Data; and Doctors and Clinicians National Downloadable File (CMS)
Caroline Joy Sivik practices at MarinHealth Medical Center in Greenbrae, California
Caroline Sivik's primary practice is MarinHealth Medical Center, at 250 Bon Air Road, Greenbrae, CA 94904 in Marin County. The practice phone is (415) 925-7900.
- MarinHealth Medical Center250 Bon Air Road, Greenbrae, CA 94904 · Marin CountyPhone(415) 925-7900
Source: Dmand AI Affiliation Data
Caroline Joy Sivik is affiliated with 6 sites of care and 3 medical groups
Caroline Sivik's primary practice is MarinHealth Medical Center in Greenbrae, California, part of Marin Healthcare District. Caroline Sivik is also affiliated with Mills-Peninsula Medical Center. The medical group on file is Vituity. Dmand AI also links Caroline Sivik to 3 more hospitals, 2 medical groups and 1 group practice or clinic, each named with a free account.
Sources: Dmand AI Affiliation Data; and Dmand AI Org Hierarchy Data
Dmand AI tracks the EHR system at Caroline Joy Sivik's practice
Dmand AI tracks the electronic health record (EHR) system at each site where Caroline Sivik practices, 6 sites in all. Vendor and product names are available with a free account.
| Site | EHR vendor and product |
|---|---|
| MarinHealth Medical Center | Available with a free account |
| +5 more sites and 2 medical groups | Available with a free account |
Source: Dmand AI Technology Install Data
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Caroline Joy Sivik is one of 11,482 physician assistants in California
Physician assistant is Caroline Sivik's primary specialty in the NPI Registry, under taxonomy code 363A00000X. Caroline Sivik is licensed in California.
Specialties and state licenses
- Physician assistant, CaliforniaPrimary
Physician assistants near Caroline Sivik
Counts of physician assistants 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
Caroline Joy Sivik treated 530 Medicare patients in 2024, average age 76
CMS counts 530 Medicare patients who saw Caroline Sivik in 2024. The largest group is 75 to 84, with 211 patients. 75% of them have high cholesterol, and 71% have high blood pressure. 28% are also on Medicaid. Their average risk score is 1.53, where 1.00 is the Medicare average, so they are sicker than most Medicare patients.
Across all payers, Dmand AI patient panel data puts Caroline Sivik's median patient age at 69, with 25% women.
Caroline Sivik's Medicare patients by age, 2024
Caroline Sivik's Medicare patients by sex, 2024
- Women28253%
- Men24847%
Chronic conditions among Caroline Sivik's Medicare patients, 2024
- High cholesterol75%
- High blood pressure71%
- Arthritis53%
- Ischemic heart disease34%
- Anxiety32%
- Mood disorders32%
- Atrial fibrillation27%
- Depression27%
Share of Medicare patients with each condition. A patient can have several.
Caroline Sivik's patients across all payers
Dmand AI patient panel data covers Medicare, Medicaid and commercial patients.
Patient panel by age, all payers
Median age 69
Patient panel by sex, all payers
- Women25%
- Men69%
Sources: Dmand AI Patient Panel Data; and Medicare Physician & Other Practitioners - by Provider (CMS), 2024 data
Caroline Joy Sivik wrote 181 Medicare Part D claims in 2024
In 2024, Caroline Sivik wrote 181 Medicare Part D claims for 141 patients. 94% of them were for generic drugs.
Caroline Sivik's Part D claims by kind of drug, 2024
- Generic170 claims94%
- Brand-name11 claims6%
Drug classes CMS tracks in Caroline Sivik's Part D claims, 2024
- Antibiotics58%105 of 181 claims
Share of all Part D claims for each drug class CMS reports on. Classes with no claims are left out.
Source: Medicare Part D Prescribers - by Provider (CMS), 2024 data
Caroline Joy Sivik 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 Caroline Sivik for performance year 2024, reported as part of a group. Caroline Sivik accepts Medicare assignment, so Medicare's approved amount is taken as full payment. CMS lists Caroline Sivik as offering telehealth.
- Accepts Medicare assignment
- Yes
- Offers telehealth
- Yes
Caroline Sivik'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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Caroline Joy Sivik received $83 in industry payments in 2025
CMS Open Payments shows 3 general payments to Caroline Sivik from 2 drug and device companies in 2025. Food and beverage make up the largest share, 100% of the total. Urogen Pharma, Inc. paid the most, $51.
Companies that paid Caroline Sivik the most, 2025 to 2025
Share is of all general payments to this clinician.
Source: Open Payments (CMS), 2025 data, released July 7, 2026
Sources for Caroline Joy Sivik'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 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)Clinician Public Reporting: Overall MIPS Performance (CMS) (opens in a new tab) |
| Industry payments | Open Payments (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 Caroline Joy Sivik
Spotted something out of date? Email hello@dmand.ai and we will check the record. Contact details live in the free trial.
What is Caroline Joy Sivik's NPI number?
Caroline Joy Sivik's NPI number is 1497213805. It was assigned on March 5, 2019, and it is active in the NPI Registry.
What does Caroline Joy Sivik specialize in?
Caroline Joy Sivik is a physician assistant in Greenbrae, California. The primary specialty in the NPI Registry is Physician Assistant (taxonomy code 363A00000X).
Where does Caroline Joy Sivik practice?
Caroline Sivik practices at 250 Bon Air Road, Greenbrae, CA 94904. Caroline Sivik's primary practice is MarinHealth Medical Center in Greenbrae, California, part of Marin Healthcare District. Dmand AI also links Caroline Sivik to 3 hospitals, 2 medical groups and 1 group practice or clinic.
What is Caroline Joy Sivik's office phone number?
The practice phone on file for Caroline Sivik is (415) 925-7900.
What is Caroline Joy Sivik's medical license number?
Caroline Sivik holds California license 61949.
Which hospitals is Caroline Joy Sivik affiliated with?
Caroline Sivik practices at MarinHealth Medical Center in Greenbrae, California. Caroline Sivik is also affiliated with Mills-Peninsula Medical Center. Dmand AI links Caroline Sivik to 3 more hospitals.
What medical group is Caroline Joy Sivik part of?
Caroline Sivik is linked to Vituity. Dmand AI links Caroline Sivik to 2 more medical groups.
Does Caroline Joy Sivik accept Medicare?
Yes. CMS lists Caroline Sivik as accepting Medicare assignment.
Does Caroline Joy Sivik offer telehealth?
Yes. The CMS Doctors and Clinicians file lists Caroline Sivik as offering telehealth services.
What is Caroline Joy Sivik's MIPS score?
Caroline Sivik's MIPS final score for performance year 2024 is 97 out of 100, reported as part of a group.
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How many Medicare patients does Caroline Joy Sivik see?
CMS counts 530 Medicare patients who saw Caroline Sivik in 2024, with an average age of 76.
Has Caroline Joy Sivik received payments from drug or device companies?
CMS Open Payments shows $83 in general payments to Caroline Sivik from 2 companies from 2025 to 2025. The largest total came from Urogen Pharma, Inc.
How long has Caroline Joy Sivik been practicing?
Caroline Sivik graduated from medical school in 2020, 6 years ago.
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