Maine Street Medical PLLC
NPI 1598477887 · Internal Medicine Physician · Brunswick, ME
Enrolled with Medicare as Part B Supplier - Clinic/Group Practice · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Maine Street Medical PLLC is a Internal Medicine Physician organization in Brunswick, ME (NPI 1598477887).
Provider details
- NPI number
- 1598477887
- Entity type
- Organization
- Primary specialty
- Internal Medicine PhysicianAllopathic & Osteopathic Physicians
- Organization subpart
- No
- Authorized official
- Andreas Thyssen, Co-Owner(314) 249-9759
Specialties & taxonomies
Allopathic & Osteopathic Physicians
- Pediatrics Physician208000000X
Allopathic & Osteopathic Physicians
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure38% of score
3 yrs 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
- 2022-12-19
- Last updated
- 2023-06-08
- Certified
- 2023-06-08
Frequently asked questions
- What is Maine Street Medical PLLC's NPI number?
- Maine Street Medical PLLC's National Provider Identifier (NPI) is 1598477887, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What type of organization is Maine Street Medical PLLC?
- Maine Street Medical PLLC is classified in the NPPES registry as Internal Medicine Physician (Allopathic & Osteopathic Physicians).
- Where is Maine Street Medical PLLC located?
- Maine Street Medical PLLC's practice location on file with NPPES is 8 Mason St, Brunswick, ME 04011-1514.
- What is Maine Street Medical PLLC's phone number?
- The practice phone number listed in the NPPES registry for Maine Street Medical PLLC is (314) 249-9759.
- Does Maine Street Medical PLLC accept Medicare?
- Maine Street Medical PLLC 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 Maine Street Medical PLLC?
- The authorized official listed on Maine Street Medical PLLC's NPPES record is Andreas Thyssen, Co-Owner. The authorized official registers and maintains the organization's NPI and is not necessarily its owner.
- Is Maine Street Medical PLLC's NPI active?
- Yes — Maine Street Medical PLLC's NPI (1598477887) is active in the NPPES registry as of the last update on 2023-06-08.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.