MARK ALDERSON CRNA
NPI 1104204734
Nurse Anesthetist, Certified Registered in Concord, NH
About Mark Alderson Crna NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
MARK ALDERSON CRNA (NPI 1104204734) is an individual nurse anesthetist, certified registered in Concord, New Hampshire, licensed in New Hampshire (064668-23) and active in the NPI registry since May 2015. He is enrolled in Medicare PECOS, is affiliated with Lawrence General Hospital, and maintains 4 additional practice locations.
NPPES Registry Identity
Specialties & Licenses 2
Secondary Practice Locations 4
Accepted Insurance
Medicare Participation & PECOS CMS
Medicare enrollment, assignment, billing reassignment, and ordering and referring status from CMS.
Medicare Enrollment Status
Enrolled in Medicare and accepts Medicare assignment
Mark Alderson Crna is registered in PECOS and agrees to accept the Medicare-approved amount as full payment. Medicare patients are not billed beyond the standard deductible and coinsurance.
Medicare Billing Reassignments
8Medicare enrollment records show Mark Alderson reassigns Medicare billing to 8 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.
Concord, NH 03301
- Reassigned Medicare billing, New Hampshire enrollment
- 98 clinicians in this Medicare group
Manchester, NH 03102
- Reassigned Medicare billing, New Hampshire enrollment
- 189 clinicians in this Medicare group
Hampstead, NH 03841
- Reassigned Medicare billing, New Hampshire enrollment
- 2,620 clinicians in this Medicare group
Keene, NH 03431
- Reassigned Medicare billing, New Hampshire enrollment
- 2,999 clinicians in this Medicare group
Middleton, MA 01949
- Reassigned Medicare billing, New Hampshire enrollment
- 49 clinicians in this Medicare group
Waltham, MA 02451
- Reassigned Medicare billing, New Hampshire enrollment
- 121 clinicians in this Medicare group
Fall River, MA 02720
- Reassigned Medicare billing, Massachusetts enrollment
- 192 clinicians in this Medicare group
Albuquerque, NM 87102
- Reassigned Medicare billing, New Mexico enrollment
- 383 clinicians in this Medicare group
Source: CMS Revalidation Reassignment List, October 2026 release. Reassignment records can lag staffing changes; confirm a current affiliation with the organization.
Areas of Expertise CMS Part B claims 5
Services this provider delivered to Medicare fee-for-service patients, from the CMS Medicare utilization data. Higher counts generally reflect more experience with a service; care delivered outside Medicare is not included.
Hospital Affiliations CMS Care Compare 2
Hospitals where this provider delivers care, identified from recent Medicare claims and place-of-service records.
Lawrence General Hospital
Acute Care Hospitals · Lawrence, MAPresbyterian Hospital
Acute Care Hospitals · Albuquerque, NMPhysician Visit Costs CMS claims · ZIP area
Typical Medicare office-visit costs in the 03301 ZIP code area, from fee-for-service claims. These are area statistics, not this provider’s prices; actual charges vary by service and coverage.
Other Providers at the Same Location NPPES 20
Providers registered at the same practice address, or within the immediate area, according to the NPPES registry.
CONCORD, NH 03301
Frequently Asked Questions NPPES & CMS
Common questions about this NPI record, answered from the official NPPES registry and CMS datasets shown on this page.
What is Mark Alderson's NPI number?
The NPI number for Mark Alderson is 1104204734. It was assigned to this individual provider in the NPPES registry on May 15, 2015.
Where is Mark Alderson located?
Mark Alderson practices at 264 Pleasant St, Concord, NH 03301. The listed phone number is (603) 224-3368.
What is Mark Alderson's specialty?
The primary specialty registered for this NPI is Nurse Anesthetist, Certified Registered with taxonomy code 367500000X.
Is Mark Alderson enrolled in Medicare?
Yes. Mark Alderson is registered in the Medicare PECOS system and accepts Medicare assignment, which means accepting the Medicare-approved amount as payment in full for covered services.
Which organizations bill Medicare for Mark Alderson's services?
According to the CMS Revalidation Reassignment List (October 2026 release), Mark Alderson reassigns Medicare benefits to 8 organizations: Anesthesia Associates Professional Association (Concord, NH), Anesthesia Care Group PC (Manchester, NH), Mary Hitchcock Memorial Hospital (Hampstead, NH), Dartmouth-Hitchcock Clinic (Keene, NH), Icon Anesthesia Services Of New England LLC (Middleton, MA) and 3 more organizations, listed in the Medicare section above. Each reassignment is filed with Medicare on form CMS-855R, signed by both the clinician and the organization, and lets the organization bill Medicare and receive payment for Mark Alderson's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.
What insurance does Mark Alderson accept?
Health plans from Ambetter from NH Healthy Families, Anthem Blue Cross and Blue Shield and WellSense Health Plan list Mark Alderson as in-network in at least one marketplace plan. Coverage varies by plan and year; verify with the insurer or the provider before a visit.
Is Mark Alderson affiliated with any hospitals?
According to CMS data, Mark Alderson is affiliated with Lawrence General Hospital and Presbyterian Hospital.
When was this NPI record last updated?
The NPPES record for Mark Alderson was last updated on April 28, 2025. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 17 months ago. If this record has changed at CMS more recently, you can request an on-demand re-check against the live CMS registry, directly from this page.
# Mark Alderson, CRNA · NPI 1104204734
Nurse Anesthetist, Certified Registered physician in Concord, New Hampshire. Individual provider, active in the CMS NPPES registry since May 15, 2015.
## Identity
- **NPI:** 1104204734 (Entity type: Individual)
- **Enumerated:** May 15, 2015
- **Primary specialty:** Nurse Anesthetist, Certified Registered · taxonomy 367500000X
- **State license:** 064668-23 (New Hampshire)
- **Sole proprietor:** No
## Practice location
- **Address:** 264 PLEASANT ST, Concord, NH 03301-2551
- **Phone:** (603) 224-3368 · **Fax:** (603) 228-7268
## Medicare
- **Medicare:** Enrolled (PECOS); accepts Medicare assignment
- **Ordering & referring:** eligible for Part B labs & imaging
- **Bills Medicare through:** 8 organizations under Medicare reassignment (form CMS-855R): Anesthesia Associates Professional Association (NPI 1881791150, Concord, NH); Anesthesia Care Group PC (NPI 1629074224, Manchester, NH); Mary Hitchcock Memorial Hospital (NPI 1699584219, Hampstead, NH); Dartmouth-Hitchcock Clinic (NPI 1174176861, Keene, NH); Icon Anesthesia Services Of New England LLC (NPI 1629583323, Middleton, MA); and 3 more · CMS Revalidation Reassignment List, October 2026 release
- **Medical school:** Other, class of 2015
## Record status
- **NPPES last updated:** April 28, 2025
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Source: [NPI Profile](https://npiprofile.com/npi/1104204734) · Data from the CMS NPPES public registry.