MACE MEDICAL LLC
NPI 1114374360
Internal Medicine in Essex, MD
About Mace Medical Llc NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
MACE MEDICAL LLC (NPI 1114374360) is a healthcare organization registered as an internal medicine in Essex, Maryland and active in the NPI registry since May 2016. The organization holds a CLIA Waiver certificate valid through July 10, 2027 and lists John M Lee, Physician, as its authorized official.
NPPES Registry Identity
Specialties & Licenses
Group Practice 1
Medicare Participation & PECOS CMS
Medicare enrollment and the clinicians who bill Medicare through this organization, from CMS.
Medicare Enrollment Status
Enrolled in Medicare (PECOS)
Mace Medical Llc is registered in the CMS Provider Enrollment, Chain and Ownership System (PECOS).
Clinicians Billing Medicare Through This Organization
19Medicare enrollment records show 19 clinicians reassign Medicare billing to Mace Medical LLC, which bills Medicare for the services they deliver. Of these, 10 practice at this address and 17 within 10 miles. They are listed nearest first.
Clinicians by Medicare Specialty 3
Clinicians, nearest first (19)
Source: CMS Revalidation Reassignment List, October 2026 release. Reassignment records can lag staffing changes; confirm a current affiliation with the organization.
CLIA Laboratory Certificates CMS CLIA
Laboratory certificates issued under the Clinical Laboratory Improvement Amendments (CLIA) program, which sets federal quality standards for human laboratory testing in the United States. There is no official CMS crosswalk between CLIA and NPI numbers; these certificates are associated with this NPI by matching facility names, locations and phone numbers in the CMS CLIA registry.
Certificate of Waiver 21D2285291
Mace Medical · Dundalk, MDFrequently 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 Mace Medical LLC's NPI number?
The NPI number for Mace Medical LLC is 1114374360. It was assigned to this organization in the NPPES registry on May 18, 2016.
Where is Mace Medical LLC located?
Mace Medical LLC is located at 1124 Mace Ave, Essex, MD 21221. The listed phone number is (410) 391-6996.
What is Mace Medical LLC's specialty?
The primary specialty registered for this NPI is Internal Medicine with taxonomy code 207R00000X.
Is Mace Medical LLC enrolled in Medicare?
Yes. Mace Medical LLC is registered in the Medicare PECOS enrollment system.
How many clinicians bill Medicare through Mace Medical LLC?
According to the CMS Revalidation Reassignment List (October 2026 release), 19 clinicians in 3 Medicare specialties reassign their Medicare billing to Mace Medical LLC. 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. The largest specialties are Nurse Practitioner (12), Internal Medicine (6) and Family Practice (1). Of these, 10 practice at this address and 17 within 10 miles. Reassignment records can lag staffing changes; confirm a current affiliation with the organization.
Does Mace Medical LLC hold a CLIA laboratory certificate?
Yes. A Certificate of Waiver (number 21D2285291) is associated with this NPI, valid through July 10, 2027. CLIA certificates authorize laboratory testing under the federal Clinical Laboratory Improvement Amendments program.
When was this NPI record last updated?
The NPPES record for Mace Medical LLC was last updated on May 18, 2016. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 10 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.
# Mace Medical Llc · NPI 1114374360
Internal Medicine organization in Essex, Maryland. Organization record, active in the CMS NPPES registry since May 18, 2016.
## Identity
- **NPI:** 1114374360 (Entity type: Organization)
- **Enumerated:** May 18, 2016
- **Primary specialty:** Internal Medicine · taxonomy 207R00000X
- **Organization subpart:** No
- **Authorized official:** John Lee, PHYSICIAN
## Practice location
- **Address:** 1124 MACE AVE, Essex, MD 21221-3315
- **Phone:** (410) 391-6996 · **Fax:** (410) 687-6877
## Medicare
- **Medicare:** Enrolled in Medicare (PECOS)
- **Clinicians billing through this organization:** 19 clinicians in 3 Medicare specialties reassign Medicare billing to this organization (form CMS-855R); largest: Nurse Practitioner (12), Internal Medicine (6), Family Practice (1); 10 practice at this address and 17 within 10 miles · CMS Revalidation Reassignment List, October 2026 release
## Record status
- **NPPES last updated:** May 18, 2016
- **CLIA laboratory certificates:** 1 on file
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Source: [NPI Profile](https://npiprofile.com/npi/1114374360) · Data from the CMS NPPES public registry.