John Sibilia
NPI 1003605866 · Critical Care Medicine Nurse Practitioner · Portland, ME
John Sibilia is a Critical Care Medicine Nurse Practitioner provider in Portland, ME (NPI 1003605866).
Provider details
- NPI number
- 1003605866
- Entity type
- Individual
- Primary specialty
- Critical Care Medicine Nurse PractitionerPhysician Assistants & Advanced Practice Nursing Providers
- Sole proprietor
- No
- License
- CNP251254 (ME)
Specialties & taxonomies
Physician Assistants & Advanced Practice Nursing Providers
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure38% of score
1 yr 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
- 2025-05-06
- Last updated
- 2025-05-06
- Certified
- 2025-05-06
Frequently asked questions
- What is John Sibilia's NPI number?
- John Sibilia's National Provider Identifier (NPI) is 1003605866, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is John Sibilia's specialty?
- John Sibilia is listed in the NPPES registry with a primary specialty of Critical Care Medicine Nurse Practitioner (Physician Assistants & Advanced Practice Nursing Providers).
- Where is John Sibilia located?
- John Sibilia's practice location on file with NPPES is 22 Bramhall St, Portland, ME 04102-3175.
- What is John Sibilia's phone number?
- The practice phone number listed in the NPPES registry for John Sibilia is (207) 662-0111.
- Is John Sibilia's NPI active?
- Yes — John Sibilia's NPI (1003605866) is active in the NPPES registry as of the last update on 2025-05-06.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.