MR. MARC OKOLOWICZ CRNA
NPI 1215334487
Nurse Anesthetist, Certified Registered in Abington, PA
About Mr. Marc Okolowicz Crna NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
MR. MARC OKOLOWICZ CRNA (NPI 1215334487) is an individual nurse anesthetist, certified registered in Abington, Pennsylvania, licensed in Delaware (L6-0A00795) and active in the NPI registry since December 2014. He is affiliated with Johns Hopkins Hospital, The and is a graduate of Other (2014).
NPPES Registry Identity
Specialties & Licenses
Medicare Participation & PECOS CMS
Medicare enrollment, assignment, billing reassignment, and ordering and referring status from CMS.
Medicare Enrollment Status
Enrolled in Medicare (PECOS)
Mr. Marc Okolowicz Crna is registered in the CMS Provider Enrollment, Chain and Ownership System (PECOS).
Medicare Billing Reassignments
6Medicare enrollment records show Marc Okolowicz reassigns Medicare billing to 6 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.
Wilmington, DE 19805
- Reassigned Medicare billing, Delaware enrollment
- 178 clinicians in this Medicare group
Dover, DE 19904
- Reassigned Medicare billing, Delaware enrollment
- 202 clinicians in this Medicare group
Dover, DE 19901
- Reassigned Medicare billing, Delaware enrollment
- 31 clinicians in this Medicare group
Belcamp, MD 21017
- Reassigned Medicare billing, Maryland enrollment
- 4,483 clinicians in this Medicare group
Baltimore, MD 21201
- Reassigned Medicare billing, Maryland enrollment
- Medicare enrollment name: University Of Maryland Anesthesiology Associates PA
- 303 clinicians in this Medicare group
Baltimore, MD 21201
- Reassigned Medicare billing, Maryland enrollment
- Medicare enrollment name: University Of Maryland Medical System Corporation
- 148 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.
Areas of Expertise CMS Part B claims 5
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.
Hospital Affiliations CMS Care Compare
Hospitals where this provider delivers care, identified from recent Medicare claims and place-of-service records.
Johns Hopkins Hospital, The
Acute Care Hospitals · Baltimore, MDOther Providers at the Same Location NPPES 20
Providers registered at the same practice address, or within the immediate area, according to the NPPES registry.
ABINGTON, PA 19001
ABINGTON, PA 19001
ABINGTON, PA 19001
ABINGTON, PA 19001
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 Marc Okolowicz's NPI number?
The NPI number for Marc Okolowicz is 1215334487. It was assigned to this individual provider in the NPPES registry on December 3, 2014.
Where is Marc Okolowicz located?
Marc Okolowicz practices at 1200 Old York Road, Abington, PA 19001. The listed phone number is (215) 481-2000.
What is Marc Okolowicz's specialty?
The primary specialty registered for this NPI is Nurse Anesthetist, Certified Registered with taxonomy code 367500000X.
Is Marc Okolowicz enrolled in Medicare?
Yes. Marc Okolowicz is registered in the Medicare PECOS enrollment system.
Which organizations bill Medicare for Marc Okolowicz's services?
According to the CMS Revalidation Reassignment List (October 2026 release), Marc Okolowicz reassigns Medicare benefits to 6 organizations: Northstar Anesthesia Of Delaware, LLC (Wilmington, DE), Bayhealth Medical Center, Inc (Dover, DE), Bay Anesthesia Associates LLC (Dover, DE), Johns Hopkins University (Belcamp, MD), University Of Maryland Anesthesiology Associates, P.A. (Baltimore, MD) and 1 more organization, listed in the Medicare section above. Each 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 Marc Okolowicz's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.
Is Marc Okolowicz affiliated with any hospitals?
According to CMS data, Marc Okolowicz is affiliated with Johns Hopkins Hospital, The.
When was this NPI record last updated?
The NPPES record for Marc Okolowicz was last updated on May 10, 2019. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 7 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.
# Mr. Marc Okolowicz, CRNA · NPI 1215334487
Nurse Anesthetist, Certified Registered physician in Abington, Pennsylvania. Individual provider, active in the CMS NPPES registry since December 3, 2014.
## Identity
- **NPI:** 1215334487 (Entity type: Individual)
- **Enumerated:** December 3, 2014
- **Primary specialty:** Nurse Anesthetist, Certified Registered · taxonomy 367500000X
- **State license:** L6-0A00795 (Delaware)
- **Sole proprietor:** No
## Practice location
- **Address:** 1200 OLD YORK ROAD, Abington, PA 19001
- **Phone:** (215) 481-2000
## Medicare
- **Medicare:** Enrolled in Medicare (PECOS)
- **Bills Medicare through:** 6 organizations under Medicare reassignment (form CMS-855R): Northstar Anesthesia Of Delaware, LLC (NPI 1316544976, Wilmington, DE); Bayhealth Medical Center, Inc (NPI 1720545536, Dover, DE); Bay Anesthesia Associates LLC (NPI 1538372149, Dover, DE); Johns Hopkins University (NPI 1376342774, Belcamp, MD); University Of Maryland Anesthesiology Associates, P.A. (NPI 1720024235, Baltimore, MD); and 1 more · CMS Revalidation Reassignment List, October 2026 release
- **Medical school:** Other, class of 2014
## Record status
- **NPPES last updated:** May 10, 2019
---
Source: [NPI Profile](https://npiprofile.com/npi/1215334487) · Data from the CMS NPPES public registry.