DOROTHY MARIE CZAJKOWSKI CRNP
NPI 1801055645
Nurse Practitioner - Adult Health in Baltimore, MD

Active since June 06, 2008PECOS Enrolled
5601 LOCH RAVEN BLVD, POB - G1, BALTIMORE, MD 21239(443) 444-4730(443) 444-4752 Get Directions Write a Review

NPPES record last updated: November 20, 2023. Verified against the NPPES registry weekly; last sync: October 25, 2026.

About Dorothy Marie Czajkowski Crnp NPPES

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

DOROTHY MARIE CZAJKOWSKI CRNP (NPI 1801055645) is an individual adult health provider in Baltimore, Maryland, licensed in Maryland (R065757) and active in the NPI registry since June 2008. She is enrolled in Medicare PECOS.

NPPES Registry Identity

NPI1801055645
Entity TypeIndividualFemale
Primary Taxonomy363LA2200X
Provider Legal NameDOROTHY MARIE CZAJKOWSKICredential: CRNP
Location Address5601 LOCH RAVEN BLVD, POB - G1Baltimore, MD 21239-2905
Mailing Address6201 Greenleigh Ave Fl 2Middle River, MD 21220-2004
Fax(443) 444-4752
Sole ProprietorNo
Enumeration DateJune 6, 2008
Last NPPES UpdateNovember 20, 2023
NPPES CertifiedNovember 20, 2023
✔ NPI 1801055645 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyNurse Practitioner · Adult HealthPhysician Assistants & Advanced Practice Nursing Providers
Taxonomy Code363LA2200X
License✔ Licensed in MD · R065757
5601 LOCH RAVEN BLVD, Baltimore, MD 21239

Medicare Participation & PECOS CMS

Medicare enrollment, assignment, billing reassignment, and ordering and referring status from CMS.

Medicare Enrollment Status

✔

Enrolled in Medicare (PECOS)

Dorothy Marie Czajkowski Crnp is registered in the CMS Provider Enrollment, Chain and Ownership System (PECOS).

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.

Medicare Billing Reassignment

Medicare enrollment records show Dorothy Czajkowski reassigns Medicare billing to 1 organization. The organization bills Medicare for the services this provider delivers there.

Pediatric Allergy/Immunology
600 N WOLFE ST
Baltimore, MD 21287
  • Reassigned Medicare billing, Maryland enrollment
  • 4,483 clinicians in this Medicare group

Source: CMS Revalidation Reassignment List, October 2026 release. Reassignment records can lag staffing changes; confirm a current affiliation with the organization.

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 21239 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
$94.08 typical visit price
range $60.73 – $183.44
Typical copayment $23.52 (range $15.18 – $45.86)
Most-billed visit code 99203
Established Patient
$106.59 typical visit price
range $19.60 – $149.17
Typical copayment $26.64 (range $4.90 – $37.29)
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.

Referred Medical Equipment & Supplies CMS DME claims

Durable medical equipment, devices and supplies this provider ordered from DME suppliers for patients, from Medicare fee-for-service claims.

Walker, folding, wheeled, adjustable or fixed height E0143
DME-Other DME · category DE000N
1 supplier15 claims15 services$37.75 avg. paid by Medicare
Dollar amounts are the average Medicare paid the supplier per service. They are not the cost to the patient.

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.

Physician Assistant
5601 LOCH RAVEN BLVD, BALTIMORE
BALTIMORE, MD 21239
Anesthesiology
5601 LOCH RAVEN BLVD
BALTIMORE, MD 21239
Internal Medicine
5601 LOCH RAVEN BLVD
BALTIMORE, MD 21239
Internal Medicine (Geriatric Medicine)
5601 LOCH RAVEN BLVD
BALTIMORE, MD 21239
Nurse Practitioner
5601 LOCH RAVEN BLVD
BALTIMORE, MD 21239
Psychiatry & Neurology (Psychiatry)
5601 LOCH RAVEN BLVD, RMB 406
BALTIMORE, MD 21239
Emergency Medicine
5601 LOCH RAVEN BLVD
BALTIMORE, MD 21239
Registered Nurse (Gerontology)
5601 LOCH RAVEN BLVD
BALTIMORE, MD 21239

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 Dorothy Czajkowski's NPI number?

The NPI number for Dorothy Czajkowski is 1801055645. It was assigned to this individual provider in the NPPES registry on June 6, 2008.

Where is Dorothy Czajkowski located?

Dorothy Czajkowski practices at 5601 Loch Raven Blvd Pob - G1, Baltimore, MD 21239. The listed phone number is (443) 444-4730.

What is Dorothy Czajkowski's specialty?

The primary specialty registered for this NPI is Nurse Practitioner, specializing in Adult Health, with taxonomy code 363LA2200X.

Is Dorothy Czajkowski enrolled in Medicare?

Yes. Dorothy Czajkowski is registered in the Medicare PECOS enrollment system.

Which organization bills Medicare for Dorothy Czajkowski's services?

According to the CMS Revalidation Reassignment List (October 2026 release), Dorothy Czajkowski reassigns Medicare benefits to Johns Hopkins University (Baltimore, MD). The reassignment is filed with Medicare on form CMS-855R, signed by both the clinician and the organization, and lets the organization bill Medicare and receive payment for Dorothy Czajkowski's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.

When was this NPI record last updated?

The NPPES record for Dorothy Czajkowski was last updated on November 20, 2023. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 2 years 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.