Main Healthcare LLC
NPI 1093502817 · Family Nurse Practitioner · Baltimore, MD
Enrolled with Medicare as Part B Supplier - Clinic/Group Practice · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Main Healthcare LLC is a Family Nurse Practitioner organization in Baltimore, MD (NPI 1093502817).
Provider details
- NPI number
- 1093502817
- Entity type
- Organization
- Primary specialty
- Family Nurse PractitionerPhysician Assistants & Advanced Practice Nursing Providers
- Organization subpart
- No
- Authorized official
- Hannah Mainstain, Owner and Provider(443) 318-8713
Specialties & taxonomies
Physician Assistants & Advanced Practice Nursing Providers
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure38% of score
1 yr in NPPES registry
- Profile completeness38% of score
100% of core fields populated
- Practice footprint23% of score
1 documented practice location
Signals a provider has no public data for (e.g. Medicare claims) are left out of the score entirely — never counted as zero — so providers without that data are not penalized. See the full formula and weights in our methodology.
Practice location
Mailing address
Registry dates
- Enumerated
- 2025-04-23
- Last updated
- 2025-06-24
- Certified
- 2025-06-24
Frequently asked questions
- What is Main Healthcare LLC's NPI number?
- Main Healthcare LLC's National Provider Identifier (NPI) is 1093502817, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What type of organization is Main Healthcare LLC?
- Main Healthcare LLC is classified in the NPPES registry as Family Nurse Practitioner (Physician Assistants & Advanced Practice Nursing Providers).
- Where is Main Healthcare LLC located?
- Main Healthcare LLC's practice location on file with NPPES is 2702 Geartner Rd, Baltimore, MD 21209-1410.
- What is Main Healthcare LLC's phone number?
- The practice phone number listed in the NPPES registry for Main Healthcare LLC is (443) 318-8713.
- Does Main Healthcare LLC accept Medicare?
- Main Healthcare LLC is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Who is the authorized official for Main Healthcare LLC?
- The authorized official listed on Main Healthcare LLC's NPPES record is Hannah Mainstain, Owner and Provider. The authorized official registers and maintains the organization's NPI and is not necessarily its owner.
- Is Main Healthcare LLC's NPI active?
- Yes — Main Healthcare LLC's NPI (1093502817) is active in the NPPES registry as of the last update on 2025-06-24.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.