Marcos Amuchastegui, MD
NPI 1952583304 · Internal Medicine Physician · New Haven, CT
Marcos Amuchastegui, MD is a Internal Medicine Physician provider in New Haven, CT (NPI 1952583304).
Provider details
- NPI number
- 1952583304
- Entity type
- Individual
- Primary specialty
- Internal Medicine PhysicianAllopathic & Osteopathic Physicians
- Credential
- MD
- Sex
- Male
- Sole proprietor
- Yes
- License
- 048910 (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
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
- 2007-11-28
- Last updated
- 2010-07-28
Frequently asked questions
- What is Marcos Amuchastegui's NPI number?
- Marcos Amuchastegui's National Provider Identifier (NPI) is 1952583304, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Marcos Amuchastegui's specialty?
- Marcos Amuchastegui is listed in the NPPES registry with a primary specialty of Internal Medicine Physician (Allopathic & Osteopathic Physicians).
- Where is Marcos Amuchastegui located?
- Marcos Amuchastegui's practice location on file with NPPES is 1450 Chapel St, New Haven, CT 06511-4405.
- What is Marcos Amuchastegui's phone number?
- The practice phone number listed in the NPPES registry for Marcos Amuchastegui is (203) 789-3000.
- Is Marcos Amuchastegui's NPI active?
- Yes — Marcos Amuchastegui's NPI (1952583304) is active in the NPPES registry as of the last update on 2010-07-28.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.