IndividualActive
Ellen Gravallese, M.D.
NPI 1609866607 · Rheumatology Physician · Worcester, MA
Provider details
- NPI number
- 1609866607
- Entity type
- Individual
- Primary specialty
- Rheumatology PhysicianAllopathic & Osteopathic Physicians
- Credential
- M.D.
- Sex
- Female
- Sole proprietor
- No
- License
- 50113 (MA)
Specialties & taxonomies
Allopathic & Osteopathic Physicians
Profile Score
Detailed profile(91/100 index)
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
55 Lake Ave N
Worcester, MA 01655-0002
Phone: (508) 334-5224
Street-level locationGet directions
Mailing address
Po Box 415348
Boston, MA 02241-5348
Registry dates
- Enumerated
- 2005-10-21
- Last updated
- 2010-12-09
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.