Marie Tanzer, MD
NPI 1043492473 · Pediatric Nephrology Physician · Portland, ME
Enrolled with Medicare as Practitioner - Pediatric Medicine · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Marie Tanzer, MD is a Pediatric Nephrology Physician provider in Portland, ME (NPI 1043492473).
Provider details
- NPI number
- 1043492473
- Entity type
- Individual
- Primary specialty
- Pediatric Nephrology PhysicianAllopathic & Osteopathic Physicians
- Credential
- MD
- Sex
- Female
- Sole proprietor
- No
- License
- MD19259 (ME)
Specialties & taxonomies
Allopathic & Osteopathic Physicians
Allopathic & Osteopathic Physicians
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure38% of score
18 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
- 2007-11-27
- Last updated
- 2012-10-30
Frequently asked questions
- What is Marie Tanzer's NPI number?
- Marie Tanzer's National Provider Identifier (NPI) is 1043492473, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Marie Tanzer's specialty?
- Marie Tanzer is listed in the NPPES registry with a primary specialty of Pediatric Nephrology Physician (Allopathic & Osteopathic Physicians).
- Where is Marie Tanzer located?
- Marie Tanzer's practice location on file with NPPES is 887 Congress St, Portland, ME 04102.
- What is Marie Tanzer's phone number?
- The practice phone number listed in the NPPES registry for Marie Tanzer is (207) 662-5522.
- Does Marie Tanzer accept Medicare?
- Marie Tanzer is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Marie Tanzer's NPI active?
- Yes — Marie Tanzer's NPI (1043492473) is active in the NPPES registry as of the last update on 2012-10-30.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.