Mark Alderson, CRNA
NPI 1104204734ActiveIndividual· Nurse Anesthetist, Certified Registered· Concord, NH
Nurse Anesthetist, Certified Registered (CRNA) with Northeast Orthopaedic Alliance PLLC and 2 other groups, practicing in Concord, New Hampshire. Medicare paid $18,096 for services to 212 patients in 2024. Lists Merrimack Health Lawrence Hospital and 1 other hospital as hospital affiliations.
Overview
| NPI | 1104204734 |
|---|---|
| Status | Active |
| Entity type | Individual |
| Credential | CRNA |
| Sole proprietor | No |
| NPI issued | May 15, 2015 |
| Last updated in NPPES | Apr 28, 2025 |
| Certified by provider | Apr 28, 2025 |
Specialties and licenses
| Taxonomy | Code | License | State |
|---|---|---|---|
| Nurse Anesthetist, Certified Registered Primary | 367500000X | 064668-23 | NH |
| Registered Nurse | 163W00000X | 026.0106567 | VT |
| Registered Nurse | 163W00000X | 064668-21 | NH |
| Registered Nurse | 163W00000X | RN2290561 | MA |
| Nurse Anesthetist, Certified Registered | 367500000X | RN2290561 | MA |
Exclusion screening
| List | Result | Details |
|---|---|---|
| HHS-OIG LEIE · Oct 9, 2026 | No match | Checked by NPI and by name + state |
| North Carolina Medicaid · Nov 10, 2026 | No match | — |
| New York OMIG · Nov 10, 2026 | No match | — |
| Ohio Medicaid · Nov 10, 2026 | No match | — |
| Pennsylvania Medicheck · Nov 10, 2026 | No match | — |
| Washington HCA · Nov 10, 2026 | No match | — |
Official OIG search · How matching works ·Bulk check a roster
Medicare
| Enrollment (PECOS) | Enrolled Practitioner - Certified Registered Nurse Anesthetist (CRNA) (MA); Practitioner - Certified Registered Nurse Anesthetist (CRNA) (NH); Practitioner - Certified Registered Nurse Anesthetist (CRNA) (NM) |
|---|---|
| Accepts assignment | Yes (participating) |
Medicare services in 2024
| Medicare patients | 212 |
|---|---|
| Services billed | 222 across 48 procedure codes |
| Paid by Medicare | $18,096 |
Education and affiliations
| Graduation year | 2015 |
|---|---|
| Medicare specialty | Certified Registered Nurse Anesthetist (Crna) |
Medical groups
- Northeast Orthopaedic Alliance PLLCDedham, MA · 291 clinicians
- Main Street Anesthesia of New Mexico, LLCRio Rancho, NM · 236 clinicians
- North American Partners in Anesthesia Massachusetts LLCDartmouth, MA · 35 clinicians
Hospital affiliations
- Merrimack Health Lawrence HospitalLawrence, MA
- Presbyterian HospitalAlbuquerque, NM
Industry payments (Open Payments)
None reported for 2025 or 2024.
Receiving payments does not imply wrongdoing. What Open Payments covers ·original records
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