Margaret Korzewski, NP

Primary specialty

Nurse PractitionerTaxonomy code 363L00000X

License

18712 Issued in CA

Practice address

2335 Stockton Blvd
Sacramento, CA 95817-2201

Phone

(916) 734-3800

Fax

(916) 734-3801

NPI assigned

Nov 21, 2007

Sex

Female

Sole proprietor

No

Registry information is reported by the provider to CMS and is not verified. About this source

Specialties & licenses 1

Addresses

Other identifiers 1

Other names 1

• Malgorzata Korzewski Professional name

Medicare fee-for-service enrollment

Enrolled in CA

Eligible to order & refer

• Part B services: Yes
• Medical equipment: Yes
• Home health: Yes
• Power mobility devices: Yes
• Hospice: No

Green means eligible to order or refer.

Enrollment records 1

Specialty

Nurse Practitioner

Education

Other, 2007

Medicare assignment

Accepts the Medicare-approved amount as payment in full

Telehealth

Offers telehealth services

Group practices

Regents of the Univ of CaGroup PAC ID 3375456619, 1,571 clinicians

Practice addresses (Care Compare)

Hospital & facility affiliations

• University of California Davis Medical Center Hospital, Sacramento, CA, CCN 050599

Merit-based Incentive Payment System (MIPS)

Final score

83.15 of 100Reported as group

Quality

64.8

Promoting interoperability

100

Improvement activities

40

Cost

68.65

Medicare enrollment (NPD)

Enrolled

Credentials

Nurse Practitioner

State licenses

Practice roles

Locations

Organizations this provider is connected to: Medicare benefit reassignments (the organization bills Medicare for this provider’s services), Care Compare group memberships and National Provider Directory roles.

• Regents of the Univ of Ca

  • Maternal & Fetal Medicine Physician
  • Sacramento, CA
  • NPI 1013906973
  Medicare reassignment Care Compare group NPD
• Regents of the Univ of Ca

  • Diagnostic Radiology Physician
  • Sacramento, CA
  • NPI 1477546406
  NPD
• Regents of the Univ of Ca

  • Trauma Surgery Physician
  • Sacramento, CA
  • NPI 1568455590
  NPD
• Regents of the Univ of Ca

  • Surgery Physician
  • Sacramento, CA
  • NPI 1427041698
  NPD (past)
• Regents of the Univ of Ca

  • Pulmonary Disease Physician
  • Sacramento, CA
  • NPI 1437142692
  NPD (past)

Hospitals and other facilities this clinician is affiliated with according to Medicare Care Compare.

• Regents of the University of California

  dba University of California Davis Medical Center

  • General Acute Care Hospital
  • Sacramento, CA
  • NPI 1710918545
  Care Compare affiliation

The complete NPPES record for this NPI in the NPI Registry API format.

{
    "created_epoch": "1195603200000",
    "enumeration_type": "NPI-1",
    "last_updated_epoch": "1765065600000",
    "number": "1699956359",
    "addresses": [
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "MAILING",
            "address_type": "DOM",
            "address_1": "2335 STOCKTON BLVD",
            "city": "SACRAMENTO",
            "state": "CA",
            "postal_code": "958172201",
            "telephone_number": "916-734-2011"
        },
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "LOCATION",
            "address_type": "DOM",
            "address_1": "2335 STOCKTON BLVD",
            "city": "SACRAMENTO",
            "state": "CA",
            "postal_code": "958172201",
            "telephone_number": "916-734-3800",
            "fax_number": "916-734-3801"
        }
    ],
    "practiceLocations": [],
    "basic": {
        "last_name": "KORZEWSKI",
        "first_name": "MARGARET",
        "credential": "NP",
        "sole_proprietor": "NO",
        "sex": "F",
        "enumeration_date": "2007-11-21",
        "last_updated": "2025-12-07",
        "certification_date": "2025-12-07",
        "status": "A"
    },
    "taxonomies": [
        {
            "code": "363L00000X",
            "taxonomy_group": "",
            "desc": "Nurse Practitioner",
            "state": "CA",
            "license": "18712",
            "primary": true
        }
    ],
    "identifiers": [
        {
            "code": "05",
            "desc": "MEDICAID",
            "issuer": null,
            "identifier": "363L00000X-NP",
            "state": "CA"
        }
    ],
    "endpoints": [],
    "other_names": [
        {
            "first_name": "MALGORZATA",
            "last_name": "KORZEWSKI",
            "credential": "NP",
            "code": "2",
            "type": "Professional Name"
        }
    ]
}

• Natalia Koretsky
• Jack Korfhage
• Broneka Korkaz
• Matthew Albert Korn, D.D.S.
• Mayra Korotchenko
• Anna Kosa
• Kosak-Kosak Chiropractic
• Cristina R Kosakowski, LCSW
• John Roger Kosbau, D.C.
• David L Kosh, M.D.

• Nurse Practitioner in Sacramento, CA
• Providers in Sacramento, CA by specialty
• Nurse Practitioner in California

• NPPES NPI Registry (CMS): identity, addresses, specialties, licenses, identifiers and endpoints. Last updated by the provider on Dec 7, 2025; self-reported and not verified by CMS. Specialty names from the NUCC taxonomy.
• Medicare enrollment (CMS PECOS): enrollments, PAC IDs and benefit reassignments; Order and Referring.
• Medicare Care Compare (CMS): clinician profile, group practices, facility affiliations, MIPS scores and star ratings.
• National Provider Directory (CMS): practice roles, locations, licenses, networks and endpoints.

Verify at the official NPI Registry.