Isabel Zacharias, MD
NPI 1265603948 · Gastroenterology Physician · Worcester, MA
Isabel Zacharias, MD is a Gastroenterology Physician provider in Worcester, MA (NPI 1265603948).
Provider details
- NPI number
- 1265603948
- Entity type
- Individual
- Primary specialty
- Gastroenterology PhysicianAllopathic & Osteopathic Physicians
- Credential
- MD
- Sex
- Female
- Sole proprietor
- No
- License
- 238014 (MA)
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
2 documented practice locations
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
Additional practice locations (1)
- 21 Eastern AveWorcester, MA 01605-3094Phone: (508) 334-3068Fax: (508) 334-8437
Registry dates
- Enumerated
- 2008-03-20
- Last updated
- 2020-10-30
- Certified
- 2020-10-30
Frequently asked questions
- What is Isabel Zacharias's NPI number?
- Isabel Zacharias's National Provider Identifier (NPI) is 1265603948, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Isabel Zacharias's specialty?
- Isabel Zacharias is listed in the NPPES registry with a primary specialty of Gastroenterology Physician (Allopathic & Osteopathic Physicians).
- Where is Isabel Zacharias located?
- Isabel Zacharias's practice location on file with NPPES is 55 Lake Ave N, Worcester, MA 01655-0002.
- What is Isabel Zacharias's phone number?
- The practice phone number listed in the NPPES registry for Isabel Zacharias is (508) 856-2846.
- Is Isabel Zacharias's NPI active?
- Yes — Isabel Zacharias's NPI (1265603948) is active in the NPPES registry as of the last update on 2020-10-30.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.