Provider records sourced from NPPES (CMS National Plan & Provider Enumeration System). Data current as of August 10, 2026.

Mark Alderson, CRNA

Individual provider Registered Nurse · NPI 1104204734

Mark Alderson, CRNA is a Certified Registered Nurse Anesthetist (CRNA) in Concord, New Hampshire. Qualified in 2015, 11 years ago. Practices with Main Street Anesthesia of New Mexico, LLC, a 228-clinician group, works from 5 locations and accepts Medicare assignment. Licensed in Massachusetts, New Hampshire and Vermont.

Years since qualifying
11
Licensed in
MA, NH, VT
In the registry since
2015
Specialties on file
5
What do these letters mean?
CRNA — Certified Registered Nurse Anesthetist
An advanced practice nurse who administers anaesthesia.

See every abbreviation used in this directory →

Practice location Address checks out

264 Pleasant St
Concord, NH 03301-2551
Phone: (603) 224-3368
Fax: (603) 228-7268
Show map & directions

Pin is approximate — placed at the ZIP-code centre, not the exact door.

Additional practice locations (4)

  • 1 General St, Lawrence, MA 01841-2997 — (978) 683-4000
  • 55 Lake Ave N, Worcester, MA 01655-0002 — (508) 334-3271
  • 1 Medical Center Dr, Lebanon, NH 03756-0001 — (603) 650-5000
  • 100 McGregor St, Manchester, NH 03102-3770 — (603) 545-9723

Specialties & licences

Certified Registered Nurse Anesthetist (primary) Taxonomy 367500000X · Licence 064668-23 (NH)
Registered Nurse Taxonomy 163W00000X · Licence 026.0106567 (VT)
Registered Nurse Taxonomy 163W00000X · Licence 064668-21 (NH)
Registered Nurse Taxonomy 163W00000X · Licence RN2290561 (MA)
Certified Registered Nurse Anesthetist Taxonomy 367500000X · Licence RN2290561 (MA)

Record details

NPI number1104204734
Entity typeIndividual (Type 1)
GenderMale
Credentials CRNA
Sole proprietorNo
NPI enumeratedMay 15, 2015
Last updated in NPPESApril 28, 2025
Certification dateApril 28, 2025
Mailing address119 Hensmith Rd, Salisbury, NH 03268-5307

Medicare enrollment

From the CMS Doctors & Clinicians file — this clinician is enrolled in Medicare.

Medicare specialtyCERTIFIED REGISTERED NURSE ANESTHETIST (CRNA)
Medical schoolOTHER
Graduated 2015 (11 years in practice)
Group practice Main Street Anesthesia Of New Mexico, Llc — 228 clinicians
Accepts Medicare assignment Yes — accepts the Medicare-approved amount
Practice locations3 on file with Medicare

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