James Ligas, M.D.
NPI 1336145556 · Critical Care Medicine (Internal Medicine) Physician · Springfield, MA
James Ligas, M.D. is a Critical Care Medicine (Internal Medicine) Physician provider in Springfield, MA (NPI 1336145556).
Provider details
- NPI number
- 1336145556
- Entity type
- Individual
- Primary specialty
- Critical Care Medicine (Internal Medicine) PhysicianAllopathic & Osteopathic Physicians
- Credential
- M.D.
- Sex
- Male
- Sole proprietor
- No
- License
- 234323 (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
21 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
- 2005-06-22
- Last updated
- 2015-10-07
Frequently asked questions
- What is James Ligas's NPI number?
- James Ligas's National Provider Identifier (NPI) is 1336145556, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is James Ligas's specialty?
- James Ligas is listed in the NPPES registry with a primary specialty of Critical Care Medicine (Internal Medicine) Physician (Allopathic & Osteopathic Physicians).
- Where is James Ligas located?
- James Ligas's practice location on file with NPPES is 759 Chestnut St, Springfield, MA 01199-1001.
- What is James Ligas's phone number?
- The practice phone number listed in the NPPES registry for James Ligas is (413) 794-5439.
- Is James Ligas's NPI active?
- Yes — James Ligas's NPI (1336145556) is active in the NPPES registry as of the last update on 2015-10-07.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.