Margaret Korzewski, NP

  • Sacramento, CA
  • Nurse practitioner
NPI1699956359PAC ID9638462625
Medicare services, 2024
380
Medicare patients, 2024
227
Part D claims, 2024
454
MIPS score, 2024
83
Hospital affiliations
1
Practice address
2315 Stockton Boulevard, Sacramento, CA 95817
Practice phone
Call (916) 734-2011
Professional email
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Personal email
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Mobile number
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Social profiles

Primary practice

UC Davis Medical Center

Hospital · Sacramento, California

See all 3 affiliations

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Margaret Korzewski is a nurse practitioner in Sacramento, California

Margaret Korzewski practices at UC Davis Medical Center in Sacramento, California, part of University of California Health.

Margaret Korzewski's NPI, 1699956359, was assigned on November 21, 2007. Margaret Korzewski holds California license 18712.

NPI and contact details
Medicare PAC ID
9638462625
NPI enumeration date
November 21, 2007
NPI status
Active
Accepts Medicare assignment
Yes
Offers telehealth
Yes
Practice phone
(916) 734-2011
Professional email
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Personal email
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Mobile number
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Sex
Female
Estimated age
45
Medical school graduation
2007

Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; Dmand AI Affiliation Data; and Doctors and Clinicians National Downloadable File (CMS)

Margaret Korzewski practices at UC Davis Medical Center in Sacramento, California

Margaret Korzewski's primary practice is UC Davis Medical Center, at 2315 Stockton Boulevard, Sacramento, CA 95817 in Sacramento County. The practice phone is (916) 734-2011.

Source: Dmand AI Affiliation Data

Margaret Korzewski is affiliated with 2 sites of care and 1 medical group

Margaret Korzewski's primary practice is UC Davis Medical Center in Sacramento, California, part of University of California Health. The medical group on file is UC Davis Medical Group. Dmand AI also links Margaret Korzewski to 1 more group practice or clinic, named with a free account.

See all 3 affiliations for Margaret Korzewski

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

Dmand AI tracks the EHR system at Margaret Korzewski's practice

Dmand AI tracks the electronic health record (EHR) system at each site where Margaret Korzewski practices, 2 sites in all. Vendor and product names are available with a free account.

EHR by site
SiteEHR vendor and product
UC Davis Medical CenterAvailable with a free account
+1 more affiliated siteAvailable with a free account

Source: Dmand AI Technology Install Data

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Margaret Korzewski is one of 5,983 nurse practitioners in California

Nurse practitioner is Margaret Korzewski's primary specialty in the NPI Registry, under taxonomy code 363L00000X. Margaret Korzewski is licensed in California.

Specialties and state licenses

  • Nurse practitioner, CaliforniaPrimaryLicense 18712 · taxonomy 363L00000X

Clinical focus

Dmand AI lists tobacco use among the conditions Margaret Korzewski treats.

Nurse practitioners near Margaret Korzewski

Counts of nurse practitioners 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

Margaret Korzewski billed Medicare for 380 services in 2024

CMS data shows 380 Medicare services from Margaret Korzewski across 5 procedure codes in 2024, for 227 Medicare patients. Medicare paid $18,219 for them. Every service was in a facility, such as a hospital, rather than an office.

Medicare services, 2024380
Medicare patients227
Paid by Medicare$18,219
Procedure codes5

Margaret Korzewski's Medicare services by type, 2024

  1. Office and hospital visits290
  2. Other services90

Margaret Korzewski compared with the California median for nurse practitioners, 2024

  • Margaret Korzewski
  • California median
Medicare services
380vs 27936% above
Medicare patients
227vs 922.5 times
Part D claims
376vs 366Close to median

Medians across 3,047 nurse practitioners in California with Dmand AI profiles that report each measure.

Margaret Korzewski'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.

See all procedures by Margaret Korzewski

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Sources: Medicare Physician & Other Practitioners - by Provider and Service (CMS), 2024 data; and Dmand AI Peer Benchmarks

Margaret Korzewski treated 227 Medicare patients in 2024, average age 76

CMS counts 227 Medicare patients who saw Margaret Korzewski in 2024. The largest group is 65 to 74, with 90 patients. 75% of them have high blood pressure, and 75% have high cholesterol. 32% are also on Medicaid. Their average risk score is 2.67, where 1.00 is the Medicare average, so they are sicker than most Medicare patients.

Across all payers, Dmand AI patient panel data puts Margaret Korzewski's median patient age at 72, with 49% women.

Medicare patients, 2024227
Average age76
Average risk score2.67
Also on Medicaid32%

Margaret Korzewski's Medicare patients by age, 2024

Margaret Korzewski's Medicare patients by sex, 2024

  • Women6730%
  • Men16070%

Chronic conditions among Margaret Korzewski's Medicare patients, 2024

  1. High blood pressure75%
  2. High cholesterol75%
  3. Ischemic heart disease63%
  4. Chronic kidney disease55%
  5. Arthritis53%
  6. Diabetes51%
  7. Heart failure42%
  8. Atrial fibrillation38%

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

Margaret Korzewski's patients across all payers

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

Patient panel by age, all payers

Median age 72

Patient panel by sex, all payers

  • Women49%
  • Men50%

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

Margaret Korzewski wrote 454 Medicare Part D claims in 2024

In 2024, Margaret Korzewski wrote 454 Medicare Part D claims for 113 patients. 91% of them were for generic drugs. CMS names the drug for 376 of them, across 9 drugs with 11 or more claims each, at $17,180 in total drug cost.

Part D claims, 2024454
Drugs named by CMS9
Total drug cost$17,180
Part D patients113

Margaret Korzewski's Part D claims by kind of drug, 2024

  • Generic413 claims91%
  • Brand-name41 claims9%

Margaret Korzewski'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 Margaret Korzewski's Part D claims, 2024

  • Opioids6%27 of 454 claims
  • Antibiotics5%21 of 454 claims

Share of all Part D claims for each drug class CMS reports on. Classes with no claims are left out.

See all prescribing by Margaret Korzewski

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

Margaret Korzewski scored 83 out of 100 in Medicare's MIPS program for 2024

CMS publishes a Merit-based Incentive Payment System (MIPS) score of 83 out of 100 for Margaret Korzewski for performance year 2024, reported as part of a group. Margaret Korzewski accepts Medicare assignment, so Medicare's approved amount is taken as full payment. CMS lists Margaret Korzewski as offering telehealth.

Accepts Medicare assignment
Yes
Offers telehealth
Yes

Margaret Korzewski's MIPS scores, performance year 2024

  • 83of 100Final score
  • 64.8of 100Quality
  • 100of 100Promoting Interoperability
  • 40of 100Improvement Activities
  • 69of 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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Sources for Margaret Korzewski'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 services and procedure codesMedicare Physician & Other Practitioners - by Provider and Service (CMS) (opens in a new tab)
State medians for the same specialtyDmand AI Peer Benchmarks
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 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 percentilesDoctors and Clinicians National Downloadable File (CMS) (opens in a new tab)Clinician 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 Margaret Korzewski

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

What is Margaret Korzewski's NPI number?

Margaret Korzewski's NPI number is 1699956359. It was assigned on November 21, 2007, and it is active in the NPI Registry.

What does Margaret Korzewski specialize in?

Margaret Korzewski is a nurse practitioner in Sacramento, California. The primary specialty in the NPI Registry is Nurse Practitioner (taxonomy code 363L00000X).

Where does Margaret Korzewski practice?

Margaret Korzewski practices at 2315 Stockton Boulevard, Sacramento, CA 95817. Margaret Korzewski's primary practice is UC Davis Medical Center in Sacramento, California, part of University of California Health. Dmand AI also links Margaret Korzewski to 1 group practice or clinic.

What is Margaret Korzewski's office phone number?

The practice phone on file for Margaret Korzewski is (916) 734-2011.

What is Margaret Korzewski's medical license number?

Margaret Korzewski holds California license 18712.

Which hospitals is Margaret Korzewski affiliated with?

Margaret Korzewski practices at UC Davis Medical Center in Sacramento, California.

What medical group is Margaret Korzewski part of?

Margaret Korzewski is linked to UC Davis Medical Group.

Does Margaret Korzewski accept Medicare?

Yes. CMS data shows Margaret Korzewski billed Medicare for 380 services in 2024, and Margaret Korzewski accepts Medicare assignment.

Does Margaret Korzewski offer telehealth?

Yes. The CMS Doctors and Clinicians file lists Margaret Korzewski as offering telehealth services.

What is Margaret Korzewski's MIPS score?

Margaret Korzewski's MIPS final score for performance year 2024 is 83 out of 100, reported as part of a group.

Show 4 more questionsShow fewer questions

How many Medicare patients does Margaret Korzewski see?

CMS counts 227 Medicare patients who saw Margaret Korzewski in 2024, with an average age of 76.

What services does Margaret Korzewski bill to Medicare?

In 2024, Margaret Korzewski's most billed Medicare services were office visit, established patient (99214), medicare service (G2211) and hospital inpatient care (99232).

What drugs does Margaret Korzewski prescribe most?

In 2024 Medicare Part D data, Margaret Korzewski's most prescribed drugs by claims were Atorvastatin Calcium, Clopidogrel and Rosuvastatin Calcium.

How long has Margaret Korzewski been practicing?

Margaret Korzewski graduated from medical school in 2007, 19 years ago.

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