Mark Mielniczek
NPI 1518781392 · Certified Registered Nurse Anesthetist · Naples, FL
Enrolled with Medicare as Practitioner - Certified Registered Nurse Anesthetist (crna) · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Mark Mielniczek is a Certified Registered Nurse Anesthetist provider in Naples, FL (NPI 1518781392).
Provider details
- NPI number
- 1518781392
- Entity type
- Individual
- Primary specialty
- Certified Registered Nurse AnesthetistPhysician Assistants & Advanced Practice Nursing Providers
- Sex
- Male
- Sole proprietor
- No
- License
- 11037618 (FL)
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
- 2024-11-08
- Last updated
- 2025-02-17
- Certified
- 2025-02-17
Frequently asked questions
- What is Mark Mielniczek's NPI number?
- Mark Mielniczek's National Provider Identifier (NPI) is 1518781392, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Mark Mielniczek's specialty?
- Mark Mielniczek is listed in the NPPES registry with a primary specialty of Certified Registered Nurse Anesthetist (Physician Assistants & Advanced Practice Nursing Providers).
- Where is Mark Mielniczek located?
- Mark Mielniczek's practice location on file with NPPES is 3909 Tamiami Trl E, Naples, FL 34112-7476.
- What is Mark Mielniczek's phone number?
- The practice phone number listed in the NPPES registry for Mark Mielniczek is (508) 926-9339.
- Does Mark Mielniczek accept Medicare?
- Mark Mielniczek is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Mark Mielniczek's NPI active?
- Yes — Mark Mielniczek's NPI (1518781392) is active in the NPPES registry as of the last update on 2025-02-17.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.