ANDREW MROWIEC MD LLC
NPI 1881878700
Legal Medicine in Aberdeen, MD
About Andrew Mrowiec Md Llc NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
ANDREW MROWIEC MD LLC (NPI 1881878700) is a healthcare organization registered as a legal medicine in Aberdeen, Maryland and active in the NPI registry since December 2007. The organization lists Andrew Mrowiec, Owner, as its authorized official.
NPPES Registry Identity
Specialties & Licenses 2
Other Identifiers 2
Group Practice 1
Medicare Participation & PECOS CMS
Medicare enrollment, revalidation and the clinicians who bill Medicare through this organization, from CMS.
Medicare Enrollment Status
Enrolled in Medicare (PECOS)
Andrew Mrowiec Md Llc is registered in the CMS Provider Enrollment, Chain and Ownership System (PECOS).
Medicare Revalidation Due Date
Revalidation due by January 31, 2027
Medicare-enrolled providers and suppliers confirm their enrollment information with CMS on a set cycle, every 5 years for most and every 3 years for medical equipment suppliers. CMS sets the due date for each enrollment.
Clinicians Billing Medicare Through This Organization
4Medicare enrollment records show 4 clinicians reassign Medicare billing to Andrew Mrowiec MD LLC, which bills Medicare for the services they deliver. Of these, 2 practice at this address and 3 within 10 miles. They are listed nearest first.
Clinicians, nearest first (4)
Source: CMS Revalidation Reassignment List, October 2026 release. Reassignment records can lag staffing changes; confirm a current affiliation with the organization.
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 Andrew Mrowiec MD LLC's NPI number?
The NPI number for Andrew Mrowiec MD LLC is 1881878700. It was assigned to this organization in the NPPES registry on December 27, 2007.
Where is Andrew Mrowiec MD LLC located?
Andrew Mrowiec MD LLC is located at 9 Aberdeen Ave, Aberdeen, MD 21001. The listed phone number is (410) 272-8844.
What is Andrew Mrowiec MD LLC's specialty?
The primary specialty registered for this NPI is Legal Medicine with taxonomy code 173000000X.
Is Andrew Mrowiec MD LLC enrolled in Medicare?
Yes. Andrew Mrowiec MD LLC is registered in the Medicare PECOS enrollment system.
When is Andrew Mrowiec MD LLC's Medicare revalidation due?
According to the CMS Revalidation Due Date List (October 2026 release), the Medicare Non-DME Part B enrollment for this organization (Maryland, Clinic/Group Practice) is due for revalidation by January 31, 2027. Medicare providers and suppliers revalidate their enrollment every 5 years, and medical equipment suppliers every 3 years. Confirm current requirements with your Medicare Administrative Contractor.
How many clinicians bill Medicare through Andrew Mrowiec MD LLC?
According to the CMS Revalidation Reassignment List (October 2026 release), 4 clinicians reassign their Medicare billing to Andrew Mrowiec MD LLC, in Family Practice, General Surgery and Nurse Practitioner. A 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 the clinician's services. Of these, 2 practice at this address and 3 within 10 miles. Reassignment records can lag staffing changes; confirm a current affiliation with the organization.
When was this NPI record last updated?
The NPPES record for Andrew Mrowiec MD LLC was last updated on February 19, 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.
# Andrew Mrowiec Md Llc · NPI 1881878700
Legal Medicine organization in Aberdeen, Maryland. Organization record, active in the CMS NPPES registry since December 27, 2007.
## Identity
- **NPI:** 1881878700 (Entity type: Organization)
- **Enumerated:** December 27, 2007
- **Primary specialty:** Legal Medicine · taxonomy 173000000X
- **Organization subpart:** No
- **Authorized official:** Andrew Mrowiec, OWNER
## Practice location
- **Address:** 9 ABERDEEN AVE, Aberdeen, MD 21001-3817
- **Phone:** (410) 272-8844 · **Fax:** (410) 272-8910
## Medicare
- **Medicare:** Enrolled in Medicare (PECOS)
- **Medicare revalidation due:** January 31, 2027 (Non-DME Part B, Maryland, Clinic/Group Practice) · CMS Revalidation Due Date List, October 2026 release
- **Clinicians billing through this organization:** 4 clinicians in 3 Medicare specialties reassign Medicare billing to this organization (form CMS-855R); largest: Nurse Practitioner (2), Family Practice (1), General Surgery (1); 2 practice at this address and 3 within 10 miles · CMS Revalidation Reassignment List, October 2026 release
## Record status
- **NPPES last updated:** February 19, 2020
- **Other identifiers:** Other 0M56A (MD); Medicaid 520700200 (MD)
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Source: [NPI Profile](https://npiprofile.com/npi/1881878700) · Data from the CMS NPPES public registry.