Kristina A. Sit, PA-C

  • Concord, CA
  • Physician assistant
NPI1538653571
Medicare patients, 2024
140
Part D claims, 2024
104
MIPS score, 2024
97
Hospital affiliations
1
Medical groups
2
Practice address
2540 East St, Concord, CA 94520
Practice phone
Call (925) 682-8200
Professional email
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Personal email
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Mobile number
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Social profiles

Primary practice

Concord Medical Center

Hospital · Concord, California

See all 3 affiliations

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Kristina A. Sit is a physician assistant in Concord, California

Kristina Sit practices at Concord Medical Center in Concord, California, part of John Muir Health.

Kristina Sit's NPI, 1538653571, was assigned on June 21, 2018. Kristina Sit holds California license 60488.

NPI and contact details
NPI enumeration date
June 21, 2018
NPI status
Active
Practice phone
(925) 682-8200
Professional email
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Personal email
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Mobile number
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Sex
Female

Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; and Dmand AI Affiliation Data

Kristina A. Sit practices at Concord Medical Center in Concord, California

Kristina Sit's primary practice is Concord Medical Center, at 2540 East St, Concord, CA 94520 in Contra Costa County. The practice phone is (925) 682-8200.

Source: Dmand AI Affiliation Data

Kristina A. Sit is affiliated with 1 site of care and 2 medical groups

Kristina Sit's primary practice is Concord Medical Center in Concord, California, part of John Muir Health. The medical group on file is Vituity. Dmand AI also links Kristina Sit to 1 more medical group, named with a free account.

See all 3 affiliations for Kristina Sit

Sources: Dmand AI Affiliation Data; and Dmand AI Org Hierarchy Data

Dmand AI tracks the EHR system at Kristina A. Sit's practice

Dmand AI tracks the electronic health record (EHR) system at each site where Kristina Sit practices. Vendor and product names are available with a free account.

EHR by site
SiteEHR vendor and product
Concord Medical CenterAvailable with a free account
+1 medical groupAvailable with a free account

Source: Dmand AI Technology Install Data

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Kristina A. Sit is one of 11,482 physician assistants in California

Physician assistant is Kristina Sit's primary specialty in the NPI Registry, under taxonomy code 363A00000X. Dmand AI has Kristina Sit's licenses on file in 2 states: California and Wisconsin.

Specialties and state licenses

  • Physician assistant, CaliforniaPrimaryLicense 60488 · taxonomy 363A00000X
  • Wisconsin licenseLicense 4437

Physician assistants near Kristina Sit

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

Kristina A. Sit treated 140 Medicare patients in 2024, average age 71

CMS counts 140 Medicare patients who saw Kristina Sit in 2024. The largest group is 65 to 74, with 63 patients. 71% of them have high blood pressure, and 69% have high cholesterol. 41% are also on Medicaid. Their average risk score is 1.40, where 1.00 is the Medicare average.

Across all payers, Dmand AI patient panel data puts Kristina Sit's median patient age at 34, with 56% women.

Medicare patients, 2024140
Average age71
Average risk score1.40
Also on Medicaid41%

Kristina Sit's Medicare patients by age, 2024

Kristina Sit's Medicare patients by sex, 2024

  • Women7956%
  • Men6144%

Chronic conditions among Kristina Sit's Medicare patients, 2024

  1. High blood pressure71%
  2. High cholesterol69%
  3. Arthritis44%
  4. Mood disorders31%
  5. Anxiety29%
  6. Diabetes29%
  7. Ischemic heart disease26%
  8. Chronic kidney disease23%

Share of Medicare patients with each condition. A patient can have several.

Kristina Sit's patients across all payers

Dmand AI patient panel data covers Medicare, Medicaid and commercial patients.

Patient panel by age, all payers

Median age 34

Patient panel by sex, all payers

  • Women56%
  • Men43%

Sources: Dmand AI Patient Panel Data; and Medicare Physician & Other Practitioners - by Provider (CMS), 2024 data

Kristina A. Sit wrote 104 Medicare Part D claims in 2024

In 2024, Kristina Sit wrote 104 Medicare Part D claims for 78 patients. 94% of them were for generic drugs.

Part D claims, 2024104
Part D patients78

Kristina Sit's Part D claims by kind of drug, 2024

  • Generic98 claims94%
  • Brand-name and other6 claims6%

Drug classes CMS tracks in Kristina Sit's Part D claims, 2024

  • Opioids16%17 of 104 claims
  • Antibiotics31%32 of 104 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

Kristina A. Sit 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 Kristina Sit for performance year 2024, reported as part of a group.

Kristina Sit'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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Sources for Kristina A. Sit's profile data

Sources for the data on this page
Data on this pageSource
NPI, name, sex, specialty and licensesNPPES NPI Registry (CMS) (opens in a new tab)Dmand AI Professional Profile Data
Practice locations and phoneDmand AI Affiliation Data
Primary practice, affiliations and health systemDmand AI Affiliation DataDmand AI Org Hierarchy Data
Medicare patients and the all-payer patient panelDmand AI Patient Panel DataMedicare Physician & Other Practitioners - by Provider (CMS) (opens in a new tab)
Part D prescribingMedicare Part D Prescribers - by Provider (CMS) (opens in a new tab)
MIPS scores, telehealth, assignment and procedure percentilesClinician Public Reporting: Overall MIPS Performance (CMS) (opens in a new tab)
EHR at each practice siteDmand AI Technology Install Data
Similar physiciansDmand AI Affiliation Data

Data last refreshed October 2026Report an inaccuracyRemove my information

FAQ

Frequently asked questions about Kristina A. Sit

Spotted something out of date? Email hello@dmand.ai and we will check the record. Contact details live in the free trial.

What is Kristina A. Sit's NPI number?

Kristina A. Sit's NPI number is 1538653571. It was assigned on June 21, 2018, and it is active in the NPI Registry.

What does Kristina A. Sit specialize in?

Kristina A. Sit is a physician assistant in Concord, California. The primary specialty in the NPI Registry is Physician Assistant (taxonomy code 363A00000X).

Where does Kristina A. Sit practice?

Kristina Sit practices at 2540 East St, Concord, CA 94520. Kristina Sit's primary practice is Concord Medical Center in Concord, California, part of John Muir Health. Dmand AI also links Kristina Sit to 1 medical group.

What is Kristina A. Sit's office phone number?

The practice phone on file for Kristina Sit is (925) 682-8200.

What is Kristina A. Sit's medical license number?

Kristina Sit holds California license 60488, one of the licenses on file in 2 states.

Which states has Kristina A. Sit been licensed in?

Dmand AI has state licenses on file for Kristina Sit in California and Wisconsin.

Which hospitals is Kristina A. Sit affiliated with?

Kristina Sit practices at Concord Medical Center in Concord, California.

What medical group is Kristina A. Sit part of?

Kristina Sit is linked to Vituity. Dmand AI links Kristina Sit to 1 more medical group.

What is Kristina A. Sit's MIPS score?

Kristina Sit's MIPS final score for performance year 2024 is 97 out of 100, reported as part of a group.

How many Medicare patients does Kristina A. Sit see?

CMS counts 140 Medicare patients who saw Kristina Sit in 2024, with an average age of 71.

How long has Kristina A. Sit been practicing?

Kristina Sit's NPI was assigned in 2018.

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