MACKENZIE COSTELLO CRNP
NPI 1548797376
Nurse Practitioner - Family in Chester, MD
About Mackenzie Costello Crnp NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
MACKENZIE COSTELLO CRNP (NPI 1548797376) is an individual family provider in Chester, Maryland, licensed in Maryland (R227450) and active in the NPI registry since May 2017. She is enrolled in Medicare PECOS, is affiliated with University Of Md Shore Medical Ctr At Chestertown, and is a graduate of Georgetown University School Of Medicine (2017).
NPPES Registry Identity
Specialties & Licenses 2
Other Names 1
Medicare Participation & PECOS CMS
Medicare enrollment, assignment, billing reassignment, and ordering and referring status from CMS.
Medicare Enrollment Status
Enrolled in Medicare and accepts Medicare assignment
Mackenzie Costello Crnp 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.
Medicare Billing Reassignments
2Medicare enrollment records show Mackenzie Costello reassigns Medicare billing to 2 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.
Chester, MD 21619
- Reassigned Medicare billing, Maryland enrollment
- 794 clinicians in this Medicare group
Glen Burnie, MD 21061
- Reassigned Medicare billing, Maryland enrollment
- 966 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 3
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 2
Hospitals where this provider delivers care, identified from recent Medicare claims and place-of-service records.
University Of MD Shore Medical Ctr At Chestertown
Acute Care Hospitals · Chestertown, MDUniversity Of MD Shore Medical Center At Easton
Acute Care Hospitals · Easton, MDPhysician Visit Costs CMS claims · ZIP area
Typical Medicare office-visit costs in the 21619 ZIP code area, from fee-for-service claims. These are area statistics, not this provider’s prices; actual charges vary by service and coverage.
Medicare Quality Performance CMS QPP · MIPS
Performance in the CMS Quality Payment Program: the MIPS final score across four weighted categories, and the individual quality measures reported to Medicare.
Other Providers at the Same Location NPPES 7
Providers registered at the same practice address, or within the immediate area, according to the NPPES registry.
CHESTER, MD 21619
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 Mackenzie Costello's NPI number?
The NPI number for Mackenzie Costello is 1548797376. It was assigned to this individual provider in the NPPES registry on May 11, 2017. The provider is also known as Mackenzie Scofield Crnp.
Where is Mackenzie Costello located?
Mackenzie Costello practices at 1630 Main St Ste 101, Chester, MD 21619. The listed phone number is (410) 604-6560.
What is Mackenzie Costello's specialty?
The primary specialty registered for this NPI is Nurse Practitioner, specializing in Family, with taxonomy code 363LF0000X.
Is Mackenzie Costello enrolled in Medicare?
Yes. Mackenzie Costello 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.
Which organizations bill Medicare for Mackenzie Costello's services?
According to the CMS Revalidation Reassignment List (October 2026 release), Mackenzie Costello reassigns Medicare benefits to 2 organizations: Luminis Health Medical Group, LLC (Chester, MD) and University Of Maryland Community Medical Group, Inc. (Glen Burnie, MD). 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 Mackenzie Costello's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.
Is Mackenzie Costello affiliated with any hospitals?
According to CMS data, Mackenzie Costello is affiliated with University Of MD Shore Medical Ctr At Chestertown and University Of MD Shore Medical Center At Easton.
When was this NPI record last updated?
The NPPES record for Mackenzie Costello was last updated on August 26, 2020. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 6 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.
# Mackenzie Costello, CRNP · NPI 1548797376
Family physician in Chester, Maryland. Individual provider, active in the CMS NPPES registry since May 11, 2017.
## Identity
- **NPI:** 1548797376 (Entity type: Individual)
- **Enumerated:** May 11, 2017
- **Primary specialty:** Nurse Practitioner - Family · taxonomy 363LF0000X
- **State license:** R227450 (Maryland)
- **Sole proprietor:** No
## Practice location
- **Address:** 1630 MAIN ST STE 101, Chester, MD 21619-2792
- **Phone:** (410) 604-6560 · **Fax:** (410) 643-5789
## Medicare
- **Medicare:** Enrolled (PECOS); accepts Medicare assignment
- **Ordering & referring:** eligible for Part B labs & imaging, durable medical equipment, home health, power mobility devices
- **Bills Medicare through:** 2 organizations under Medicare reassignment (form CMS-855R): Luminis Health Medical Group, LLC (NPI 1295063923, Chester, MD); University Of Maryland Community Medical Group, Inc. (NPI 1295367894, Glen Burnie, MD) · CMS Revalidation Reassignment List, October 2026 release
- **Medical school:** Georgetown University School Of Medicine, class of 2017
## Record status
- **NPPES last updated:** August 26, 2020
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Source: [NPI Profile](https://npiprofile.com/npi/1548797376) · Data from the CMS NPPES public registry.