IndividualActive
George Hasiotis, MD
NPI 1386631844 · Internal Medicine Physician · Boston, MA
George Hasiotis, MD is a Internal Medicine Physician provider in Boston, MA (NPI 1386631844).
Provider details
- NPI number
- 1386631844
- Entity type
- Individual
- Primary specialty
- Internal Medicine PhysicianAllopathic & Osteopathic Physicians
- Credential
- MD
- Sex
- Male
- License
- 29397 (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
65 E India Row
#32a
Boston, MA 02110-3308
Phone: (617) 367-6366
Fax: (508) 778-9677
Approximate (ZIP-level) locationGet directions
Mailing address
65 E India Row
Boston, MA 02110-3308
Registry dates
- Enumerated
- 2005-09-30
- Last updated
- 2007-07-08
Frequently asked questions
- What is George Hasiotis's NPI number?
- George Hasiotis's National Provider Identifier (NPI) is 1386631844, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is George Hasiotis's specialty?
- George Hasiotis is listed in the NPPES registry with a primary specialty of Internal Medicine Physician (Allopathic & Osteopathic Physicians).
- Where is George Hasiotis located?
- George Hasiotis's practice location on file with NPPES is 65 E India Row, Boston, MA 02110-3308.
- What is George Hasiotis's phone number?
- The practice phone number listed in the NPPES registry for George Hasiotis is (617) 367-6366.
- Is George Hasiotis's NPI active?
- Yes — George Hasiotis's NPI (1386631844) is active in the NPPES registry as of the last update on 2007-07-08.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.