MAIN HEALTHCARE LLC
NPI 1093502817
Nurse Practitioner - Family in Baltimore, MD
About Main Healthcare Llc NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
MAIN HEALTHCARE LLC (NPI 1093502817) is a healthcare organization registered as a family in Baltimore, Maryland and active in the NPI registry since April 2025. The organization lists Hannah Mainstain, Owner And Provider, 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)
Main Healthcare Llc is registered in the CMS Provider Enrollment, Chain and Ownership System (PECOS).
Clinicians Billing Medicare Through This Organization
Medicare enrollment records show 1 clinician reassigns Medicare billing to Main Healthcare LLC, which bills Medicare for the services this clinician delivers.
Clinician (1)
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 Main Healthcare LLC's NPI number?
The NPI number for Main Healthcare LLC is 1093502817. It was assigned to this organization in the NPPES registry on April 23, 2025.
Where is Main Healthcare LLC located?
Main Healthcare LLC is located at 2702 Geartner Rd, Baltimore, MD 21209. The listed phone number is (443) 318-8713.
What is Main Healthcare LLC's specialty?
The primary specialty registered for this NPI is Nurse Practitioner, specializing in Family, with taxonomy code 363LF0000X.
Is Main Healthcare LLC enrolled in Medicare?
Yes. Main Healthcare LLC is registered in the Medicare PECOS enrollment system.
How many clinicians bill Medicare through Main Healthcare LLC?
According to the CMS Revalidation Reassignment List (October 2026 release), 1 clinician (Nurse Practitioner) reassigns their Medicare billing to Main Healthcare 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. Reassignment records can lag staffing changes; confirm a current affiliation with the organization.
When was this NPI record last updated?
The NPPES record for Main Healthcare LLC was last updated on June 24, 2025. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 16 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.
# Main Healthcare Llc · NPI 1093502817
Family organization in Baltimore, Maryland. Organization record, active in the CMS NPPES registry since April 23, 2025.
## Identity
- **NPI:** 1093502817 (Entity type: Organization)
- **Enumerated:** April 23, 2025
- **Primary specialty:** Nurse Practitioner - Family · taxonomy 363LF0000X
- **Organization subpart:** No
- **Authorized official:** Hannah Mainstain, OWNER AND PROVIDER
## Practice location
- **Address:** 2702 GEARTNER RD, Baltimore, MD 21209-1410
- **Phone:** (443) 318-8713 · **Fax:** (443) 870-4919
## Medicare
- **Medicare:** Enrolled in Medicare (PECOS)
- **Clinicians billing through this organization:** 1 clinician (Nurse Practitioner) reassigns Medicare billing to this organization (form CMS-855R) · CMS Revalidation Reassignment List, October 2026 release
## Record status
- **NPPES last updated:** June 24, 2025
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Source: [NPI Profile](https://npiprofile.com/npi/1093502817) · Data from the CMS NPPES public registry.