HOLLIS M MISIEWICZ MSN, CRNP
NPI 1326027731
Nurse Practitioner - Adult Health in Baltimore, MD
About Hollis M Misiewicz Msn, Crnp NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
HOLLIS M MISIEWICZ MSN, CRNP (NPI 1326027731) is an individual adult health provider in Baltimore, Maryland, licensed in Maryland (R080812) and active in the NPI registry since January 2006. She is enrolled in Medicare PECOS, is affiliated with Mercy Medical Center Inc, and is a graduate of Other (2001).
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 and accepts Medicare assignment
Hollis M Misiewicz Msn, 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 Hollis Misiewicz reassigns Medicare billing to 2 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.
Baltimore, MD 21202
- Reassigned Medicare billing, Maryland enrollment
- 423 clinicians in this Medicare group
Lutherville, MD 21093
- Reassigned Medicare billing, Maryland enrollment
- 22 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 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.
Hospital Affiliations CMS Care Compare
Hospitals where this provider delivers care, identified from recent Medicare claims and place-of-service records.
Mercy Medical Center Inc
Acute Care Hospitals · Baltimore, MDPhysician Visit Costs CMS claims · ZIP area
Typical Medicare office-visit costs in the 21202 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.
Referred Medical Equipment & Supplies CMS DME claims 5
Durable medical equipment, devices and supplies this provider ordered from DME suppliers for patients, from Medicare fee-for-service claims.
Other Providers at the Same Location NPPES 19
Providers registered at the same practice address, or within the immediate area, according to the NPPES registry.
BALTIMORE, MD 21202
BALTIMORE, MD 21202
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 Hollis Misiewicz's NPI number?
The NPI number for Hollis Misiewicz is 1326027731. It was assigned to this individual provider in the NPPES registry on January 13, 2006.
Where is Hollis Misiewicz located?
Hollis Misiewicz practices at 227 Saint Paul St, Baltimore, MD 21202. The listed phone number is (410) 783-5858.
What is Hollis Misiewicz's specialty?
The primary specialty registered for this NPI is Nurse Practitioner, specializing in Adult Health, with taxonomy code 363LA2200X.
Is Hollis Misiewicz enrolled in Medicare?
Yes. Hollis Misiewicz 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 Hollis Misiewicz's services?
According to the CMS Revalidation Reassignment List (October 2026 release), Hollis Misiewicz reassigns Medicare benefits to 2 organizations: St Paul Place Specialists, Inc. (Baltimore, MD) and Lutherville Hematology And Oncology Services (Lutherville, 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 Hollis Misiewicz's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.
Is Hollis Misiewicz affiliated with any hospitals?
According to CMS data, Hollis Misiewicz is affiliated with Mercy Medical Center Inc.
When was this NPI record last updated?
The NPPES record for Hollis Misiewicz was last updated on July 13, 2026. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 3 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.
# Hollis M Misiewicz, MSN, CRNP · NPI 1326027731
Adult Health physician in Baltimore, Maryland. Individual provider, active in the CMS NPPES registry since January 13, 2006.
## Identity
- **NPI:** 1326027731 (Entity type: Individual)
- **Enumerated:** January 13, 2006
- **Primary specialty:** Nurse Practitioner - Adult Health · taxonomy 363LA2200X
- **State license:** R080812 (Maryland)
- **Sole proprietor:** No
## Practice location
- **Address:** 227 SAINT PAUL ST, Baltimore, MD 21202-2001
- **Phone:** (410) 783-5858 · **Fax:** (410) 783-5864
## 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): St Paul Place Specialists, Inc. (NPI 1174564736, Baltimore, MD); Lutherville Hematology And Oncology Services (NPI 1538454228, Lutherville, MD) · CMS Revalidation Reassignment List, October 2026 release
- **Medical school:** Other, class of 2001
## Record status
- **NPPES last updated:** July 13, 2026
---
Source: [NPI Profile](https://npiprofile.com/npi/1326027731) · Data from the CMS NPPES public registry.