Karl Nessi, CRNA
NPI 1982919825 · Certified Registered Nurse Anesthetist · Bangor, ME
Enrolled with Medicare as Practitioner - Certified Registered Nurse Anesthetist (crna) · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Provider details
- NPI number
- 1982919825
- Entity type
- Individual
- Primary specialty
- Certified Registered Nurse AnesthetistPhysician Assistants & Advanced Practice Nursing Providers
- Credential
- CRNA
- Sex
- Male
- Sole proprietor
- Yes
- License
- 95001418 (CA)
Specialties & taxonomies
Physician Assistants & Advanced Practice Nursing Providers
Physician Assistants & Advanced Practice Nursing Providers
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure28% of score
15 yrs in NPPES registry
- Profile completeness28% of score
100% of core fields populated
- Practice footprint17% of score
1 documented practice location
- Medicare service volume (vs. specialty peers)28% of score
264 Medicare services, 2024 (ranked within specialty)
Medicare volume is ranked against active providers in the same specialty. 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.
What this provider does (Medicare)
Based on Medicare fee-for-service claims, 2024; not all care is captured.
| Service (HCPCS) | Medicare services | Typical Medicare-allowed (2024) |
|---|---|---|
| Injection of Anesthetic Agent And/Or Steroid Into Thigh Nerve (femoral Nerve)64447 | 58 | $49 |
| Injection of Anesthetic Agent And/Or Steroid Into Arm Nerve Bundle (brachial Plexus)64415 | 42 | $68 |
| Injection of Anesthetic Agent And/Or Steroid Into Other Nerve Or Branch64450 | 32 | $29 |
| Anesthesia for Procedure on Upper 2/3rd of Thigh Bone01230 | 31 | $250 |
| Ultrasonic Guidance for Needle Placement76942 | 25 | $29 |
| Injection of Anesthetic Agent And/Or Steroid Into Lower Back and Leg Nerve (sciatic Nerve)64445 | 23 | $70 |
Practice location
Mailing address
Registry dates
- Enumerated
- 2010-08-16
- Last updated
- 2025-01-17
- Certified
- 2025-01-17
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.