Maria Guoth, MD
NPI 1356386965 · Endocrinology, Diabetes & Metabolism Physician · Greenwich, CT
Enrolled with Medicare as Practitioner - Endocrinology · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Maria Guoth, MD is a Endocrinology, Diabetes & Metabolism Physician provider in Greenwich, CT (NPI 1356386965).
Provider details
- NPI number
- 1356386965
- Entity type
- Individual
- Primary specialty
- Endocrinology, Diabetes & Metabolism PhysicianAllopathic & Osteopathic Physicians
- Credential
- MD
- Sex
- Female
- Sole proprietor
- Yes
- License
- 033532 (CT)
Specialties & taxonomies
Allopathic & Osteopathic Physicians
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure38% of score
20 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
- 2006-06-18
- Last updated
- 2016-06-26
Frequently asked questions
- What is Maria Guoth's NPI number?
- Maria Guoth's National Provider Identifier (NPI) is 1356386965, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Maria Guoth's specialty?
- Maria Guoth is listed in the NPPES registry with a primary specialty of Endocrinology, Diabetes & Metabolism Physician (Allopathic & Osteopathic Physicians).
- Where is Maria Guoth located?
- Maria Guoth's practice location on file with NPPES is 420 Taconic Rd, Greenwich, CT 06831-2850.
- What is Maria Guoth's phone number?
- The practice phone number listed in the NPPES registry for Maria Guoth is (203) 625-7646.
- Does Maria Guoth accept Medicare?
- Maria Guoth is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Maria Guoth's NPI active?
- Yes — Maria Guoth's NPI (1356386965) is active in the NPPES registry as of the last update on 2016-06-26.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.