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MARGARET KORZEWSKI NP
NPI 1699956359
Nurse Practitioner in Sacramento, CA

Active since November 21, 2007PECOS EnrolledAccepts Medicare Assignment
2335 STOCKTON BLVD, SACRAMENTO, CA 95817(916) 734-3800(916) 734-3801 Get Directions Write a Review

NPPES record last updated: December 7, 2025. Verified against the NPPES registry weekly; last sync: August 16, 2026.

Record update history: Dec 7, 2025, Jun 10, 2020 (2 updates tracked since 2020).

About Margaret Korzewski Np NPPES

Official registry information on file with the National Plan and Provider Enumeration System.

MARGARET KORZEWSKI NP (NPI 1699956359) is an individual nurse practitioner in Sacramento, California, licensed in California (18712) and active in the NPI registry since November 2007. She is enrolled in Medicare PECOS and is a graduate of Other (2007).

NPPES Registry Identity

NPI1699956359
Entity TypeIndividualFemale
Primary Taxonomy363L00000X
Provider Legal NameMARGARET KORZEWSKICredential: NP
Location Address2335 STOCKTON BLVDSacramento, CA 95817-2201
Mailing Address2335 Stockton BlvdSacramento, CA 95817-2201 · (916) 734-2011
Phone(916) 734-3800
Fax(916) 734-3801
Sole ProprietorNo
Medical School CMSOtherGraduated 2007
Enumeration DateNovember 21, 2007
Last NPPES UpdateDecember 7, 20252 updates tracked since enumeration
NPPES CertifiedDecember 7, 2025
✔ NPI 1699956359 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyNurse PractitionerPhysician Assistants & Advanced Practice Nursing Providers
Taxonomy Code363L00000X
License✔ Licensed in CA · 18712
Definition
(1) A registered nurse provider with a graduate degree in nursing prepared for advanced practice involving independent and interdependent decision making and direct accountability for clinical judgment across the health care continuum or in a certified specialty. (2) A registered nurse who has completed additional training beyond basic nursing education and who provides primary health care services in accordance with state nurse practice laws or statutes. Tasks performed by nurse practitioners vary with practice requirements mandated by geographic, political, economic, and social factors. Nurse practitioner specialists include, but are not limited to, family nurse practitioners, gerontological nurse practitioners, pediatric nurse practitioners, obstetric-gynecologic nurse practitioners, and school nurse practitioners.
2335 STOCKTON BLVD, Sacramento, CA 95817
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Other Names 1

Professional Name (2)Malgorzata Korzewski Np

Other Identifiers 1

Medicaid363L00000X-NPCA

Medicare Participation & PECOS CMS

Medicare enrollment, assignment, and ordering and referring status from the CMS PECOS system.

Medicare Enrollment Status

✔

Enrolled in Medicare and accepts Medicare assignment

Margaret Korzewski Np is registered in PECOS and agrees to accept the Medicare-approved amount as full payment. Medicare patients are not billed beyond the standard deductible and coinsurance.

PECOS PAC ID9638462625
PECOS Enrollment IDI20171206003319
Eligible to Order & Refer✔ Part B Labs & Imaging✔ Durable Medical Equipment✔ Home Health Agency✔ Power Mobility DevicesPer the CMS Ordering and Referring file. Eligibility means Medicare pays claims that this provider orders or refers for these categories.

Areas of Expertise CMS Part B claims 4

Services this provider delivered to Medicare fee-for-service patients, from the CMS Medicare utilization data. Higher counts generally reflect more experience with a service; care delivered outside Medicare is not included.

Established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more 99214
This is a routine check-up for patients who have previously visited our clinic. It involves a comprehensive review of your health and any ongoing treatments. The consultation lasts between 30-39 minutes, allowing enough time to discuss any concerns.
222 services177 patients
Subsequent hospital care with moderate levelof medical decision making, if using time, at least 35 minutes 99232
Follow-up hospital inpatient care involves daily check-ups while you're admitted in the hospital. Typically, a healthcare provider spends about 25 minutes each day reviewing your condition, adjusting treatment if needed, and answering any questions you might have.
27 services16 patients
Established patient office or other outpatient visit with high level of medical decision making, if using time, 40 minutes or more 99215
This service involves a follow-up appointment for existing patients, lasting between 40 to 54 minutes. During this time, your healthcare provider will assess your current health status, discuss any changes or concerns, review your treatment plan, and answer any questions you may have.
24 services20 patients
Smoking and tobacco use intensive counseling, 4-10 minutes 99406
This service provides brief, intensive counseling (4-10 minutes) to support you in quitting smoking or tobacco use. It involves discussing the risks of tobacco use, benefits of quitting, and strategies to help you stop. It's a critical step towards a healthier lifestyle.
17 services13 patients

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 95817 ZIP code area, from fee-for-service claims. These are area statistics, not this provider’s prices; actual charges vary by service and coverage.

New Patient
$92.61 typical visit price
range $60.44 – $180.85
Typical copayment $23.15 (range $15.11 – $45.21)
Most-billed visit code 99203
Established Patient
$105.95 typical visit price
range $19.88 – $148.15
Typical copayment $26.48 (range $4.97 – $37.03)
Most-billed visit code 99214
Amounts reflect what Medicare beneficiaries in this ZIP area are typically charged for office visits. Patients with other coverage should check their individual plans.

Other Providers at the Same Location NPPES 20

Providers registered at the same practice address, or within the immediate area, according to the NPPES registry.

DR. KAYLEN JEARA MEERS MD
Student in an Organized Health Care Education/Training Program
2335 STOCKTON BLVD
SACRAMENTO, CA 95817
Sacramento County (916) 734-2816
DR. NINA PUTNAM MD
Surgery
2335 STOCKTON BLVD
SACRAMENTO, CA 95817
Sacramento County (916) 734-2724
TYANTHONY JONES JONES
Student in an Organized Health Care Education/Training Program
2335 STOCKTON BLVD
SACRAMENTO, CA 95817
Sacramento County (916) 734-3528
DR. JASON SCOTT HUTZLER MD
Surgery (Surgical Critical Care)
2335 STOCKTON BLVD, NAOB 5TH FLOOR
SACRAMENTO, CA 95817
Sacramento County (916) 734-5638
DR. JESSICA BOWMAN
Student in an Organized Health Care Education/Training Program
2335 STOCKTON BLVD, NORTH ADDITION, 5TH FLOOR
SACRAMENTO, CA 95817
Sacramento County (916) 734-2724
DR. ELEANOR CURTIS MD, MPVM, FACS
Surgery (Surgical Critical Care)
2335 STOCKTON BLVD
SACRAMENTO, CA 95817
Sacramento County (513) 448-8248
ERIC MURPHY
Student in an Organized Health Care Education/Training Program
2335 STOCKTON BLVD
SACRAMENTO, CA 95817
Sacramento County (916) 734-2386
DR. HUSNI KHALED ABDUL-RAHMAN MD
Student in an Organized Health Care Education/Training Program
2335 STOCKTON BLVD
SACRAMENTO, CA 95817
Sacramento County (916) 734-2680

Frequently Asked Questions NPPES & CMS

Common questions about this NPI record, answered from the official NPPES registry and CMS datasets shown on this page.

What is Margaret Korzewski's NPI number?

The NPI number for Margaret Korzewski is 1699956359. It was assigned to this individual provider in the NPPES registry on November 21, 2007. The provider is also known as Malgorzata Korzewski Np.

Where is Margaret Korzewski located?

Margaret Korzewski practices at 2335 Stockton Blvd, Sacramento, CA 95817. The listed phone number is (916) 734-3800.

What is Margaret Korzewski's specialty?

The primary specialty registered for this NPI is Nurse Practitioner with taxonomy code 363L00000X.

Is Margaret Korzewski enrolled in Medicare?

Yes. Margaret Korzewski is registered in the Medicare PECOS system and accepts Medicare assignment, which means accepting the Medicare-approved amount as payment in full for covered services.

When was this NPI record last updated?

The NPPES record for Margaret Korzewski was last updated on December 7, 2025. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 8 months ago. If this record has changed at CMS more recently, you can request an on-demand re-check against the live CMS registry, directly from this page.