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KAREN MACIEJKO NP
NPI 1407565427
Nurse Practitioner - Family in San Rafael, CA

Active since November 17, 2022PECOS EnrolledAccepts Medicare Assignment
411 3RD ST, SAN RAFAEL, CA 94901(415) 924-4525 Get Directions Write a Review

NPPES record last updated: November 12, 2024. Verified against the NPPES registry weekly; last sync: August 02, 2026.

Record update history: Nov 12, 2024, Nov 17, 2022 (2 updates tracked since 2022).

About Karen Maciejko Np NPPES

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

KAREN MACIEJKO NP (NPI 1407565427) is an individual family provider in San Rafael, California, licensed in California (95027143) and active in the NPI registry since November 2022. She is enrolled in Medicare PECOS, maintains a secondary practice location in Vallejo, and is a graduate of Other (2022).

NPPES Registry Identity

NPI1407565427
Entity TypeIndividualFemale
Primary Taxonomy363LF0000X
Provider Legal NameKAREN MACIEJKOCredential: NP
Location Address411 3RD STSan Rafael, CA 94901-3548
Mailing Address411 3rd StSan Rafael, CA 94901-3548 · (415) 924-4525
Phone(415) 924-4525
Sole ProprietorNo
Medical School CMSOtherGraduated 2022
Enumeration DateNovember 17, 2022
Last NPPES UpdateNovember 12, 20242 updates tracked since enumeration
NPPES CertifiedNovember 12, 2024
✔ NPI 1407565427 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyNurse Practitioner · FamilyPhysician Assistants & Advanced Practice Nursing Providers
Taxonomy Code363LF0000X
Licenses✔ Licensed in CA · 95027143✔ Licensed in CO · APN.0998178-NP
411 3RD ST, San Rafael, CA 94901
Open in Google Maps ↗

Secondary Practice Location 1

Location 1100 Hospital Dr Ste 303Vallejo, CA 94589-2583 · Phone (707) 645-7210

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

Karen Maciejko 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 ID8921535923
PECOS Enrollment IDI20250102000832
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

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.

New patient office or other outpatient visit with low level of medical decision making, if using time, 30 minutes or more 99203
This service involves an initial office or outpatient visit for a new patient. The healthcare professional will spend 30-44 minutes understanding your health history, current issues, and discussing possible treatment plans. It's a comprehensive evaluation to start your healthcare journey.
18 services18 patients

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 94901 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
$104.67 typical visit price
range $69.07 – $202.63
Typical copayment $26.16 (range $17.26 – $50.65)
Most-billed visit code 99203
Established Patient
$119.61 typical visit price
range $23.44 – $166.64
Typical copayment $29.90 (range $5.86 – $41.66)
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 3

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

BRETT V. CURTIS, MD, A PROFESSIONAL CORPORATION, INC.
Clinic/Center (Occupational Medicine)
411 3RD ST
SAN RAFAEL, CA 94901
Marin County (415) 924-4525
DR. BRETT V CURTIS M.D., J.D.
Emergency Medicine (Emergency Medical Services)
411 3RD ST
SAN RAFAEL, CA 94901
Marin County (415) 924-4525
MR. FRANCIS JOHN CUBILLO LAC
Acupuncturist
411 3RD ST
SAN RAFAEL, CA 94901
Marin County (415) 895-5216

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 Karen Maciejko's NPI number?

The NPI number for Karen Maciejko is 1407565427. It was assigned to this individual provider in the NPPES registry on November 17, 2022.

Where is Karen Maciejko located?

Karen Maciejko practices at 411 3rd St, San Rafael, CA 94901. The listed phone number is (415) 924-4525.

What is Karen Maciejko's specialty?

The primary specialty registered for this NPI is Nurse Practitioner, specializing in Family, with taxonomy code 363LF0000X.

Is Karen Maciejko enrolled in Medicare?

Yes. Karen Maciejko 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 Karen Maciejko was last updated on November 12, 2024. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 20 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.