Triangle Anesthesia Group, PLLC
NPI 1578263133 · Certified Registered Nurse Anesthetist · Durham, NC
Triangle Anesthesia Group, PLLC is a Certified Registered Nurse Anesthetist organization in Durham, NC (NPI 1578263133).
Provider details
- NPI number
- 1578263133
- Entity type
- Organization
- Primary specialty
- Certified Registered Nurse AnesthetistPhysician Assistants & Advanced Practice Nursing Providers
- Organization subpart
- No
- Authorized official
- Fritz Mesilien, Owner(203) 820-9397
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
3 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
Other names (DBA / former)
- Doing business as
- Triangle Anesthesia Group
Registry dates
- Enumerated
- 2023-03-03
- Last updated
- 2023-03-03
- Certified
- 2023-03-02
Frequently asked questions
- What is Triangle Anesthesia Group, PLLC's NPI number?
- Triangle Anesthesia Group, PLLC's National Provider Identifier (NPI) is 1578263133, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What type of organization is Triangle Anesthesia Group, PLLC?
- Triangle Anesthesia Group, PLLC is classified in the NPPES registry as Certified Registered Nurse Anesthetist (Physician Assistants & Advanced Practice Nursing Providers).
- Where is Triangle Anesthesia Group, PLLC located?
- Triangle Anesthesia Group, PLLC's practice location on file with NPPES is 401 Weeping Willow Dr, Durham, NC 27704-6206.
- What is Triangle Anesthesia Group, PLLC's phone number?
- The practice phone number listed in the NPPES registry for Triangle Anesthesia Group, PLLC is (203) 820-9397.
- Who is the authorized official for Triangle Anesthesia Group, PLLC?
- The authorized official listed on Triangle Anesthesia Group, PLLC's NPPES record is Fritz Mesilien, Owner. The authorized official registers and maintains the organization's NPI and is not necessarily its owner.
- Is Triangle Anesthesia Group, PLLC's NPI active?
- Yes — Triangle Anesthesia Group, PLLC's NPI (1578263133) is active in the NPPES registry as of the last update on 2023-03-03.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.