MARK SPENCER ANDERSON M.D.
NPI 1821357179
Orthopaedic Surgery - Hand Surgery in Albuquerque, NM
About Mark Spencer Anderson M.d. NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
MARK SPENCER ANDERSON M.D. (NPI 1821357179) is an individual hand surgery provider in Albuquerque, New Mexico, licensed in New Mexico (MD2019-0224) and active in the NPI registry since May 2012. He is enrolled in Medicare PECOS, is affiliated with Monument Health Spearfish Hospital, and maintains 2 additional practice locations.
NPPES Registry Identity
Specialties & Licenses 3
Secondary Practice Locations 2
Other Identifiers 1
Group Practice 1
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 Spencer Anderson M.d. 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
3Medicare enrollment records show Mark Anderson reassigns Medicare billing to 3 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.
Albuquerque, NM 87109
- Reassigned Medicare billing, New Mexico enrollment
- 554 clinicians in this Medicare group
Hot Springs, SD 57747
- Reassigned Medicare billing, South Dakota enrollment
- Also billed through NPI 1083681712 (South Dakota)
- 321 clinicians in this Medicare group
Rapid City, SD 57701
- Reassigned Medicare billing, South Dakota enrollment
- 831 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.
Hospital Affiliations CMS Care Compare 3
Hospitals where this provider delivers care, identified from recent Medicare claims and place-of-service records.
Monument Health Spearfish Hospital
Acute Care Hospitals · Spearfish, SDMonument Health Rapid City Hospital
Acute Care Hospitals · Rapid City, SDMonument Health Custer Hospital
Critical Access Hospitals · Custer, SDPhysician Visit Costs CMS claims · ZIP area
Typical Medicare office-visit costs in the 87109 ZIP code area, from fee-for-service claims. These are area statistics, not this provider’s prices; actual charges vary by service and coverage.
Medicare Quality Performance CMS QPP · MIPS
Performance in the CMS Quality Payment Program: the MIPS final score across four weighted categories, and the individual quality measures reported to Medicare.
Other Providers at the Same Location NPPES 3
Providers registered at the same practice address, or within the immediate area, according to the NPPES registry.
ALBUQUERQUE, NM 87109
ALBUQUERQUE, NM 87109
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 Anderson's NPI number?
The NPI number for Mark Anderson is 1821357179. It was assigned to this individual provider in the NPPES registry on May 8, 2012.
Where is Mark Anderson located?
Mark Anderson practices at 101 Hospital Loop NE Ste 201, Albuquerque, NM 87109. The listed phone number is (505) 727-4430.
What is Mark Anderson's specialty?
The primary specialty registered for this NPI is Orthopaedic Surgery, specializing in Hand Surgery, with taxonomy code 207XS0106X.
Is Mark Anderson enrolled in Medicare?
Yes. Mark Anderson 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 Anderson's services?
According to the CMS Revalidation Reassignment List (October 2026 release), Mark Anderson reassigns Medicare benefits to 3 organizations: Southwest Medical Associates, LLC (Albuquerque, NM), Monument Health Network, Inc. (Hot Springs, SD) and Monument Health Rapid City Hospital, Inc (Rapid City, SD). 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 Anderson's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.
What insurance does Mark Anderson accept?
Health plans from Oscar Insurance Company, Sanford Health Plan, UnitedHealthcare and Wellmark of South Dakota, Inc. list Mark Anderson 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 Anderson affiliated with any hospitals?
According to CMS data, Mark Anderson is affiliated with Monument Health Spearfish Hospital, Monument Health Rapid City Hospital and Monument Health Custer Hospital.
When was this NPI record last updated?
The NPPES record for Mark Anderson was last updated on January 23, 2020. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 6 years 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 Spencer Anderson, M.D. · NPI 1821357179
Hand Surgery physician in Albuquerque, New Mexico. Individual provider, active in the CMS NPPES registry since May 8, 2012.
## Identity
- **NPI:** 1821357179 (Entity type: Individual)
- **Enumerated:** May 8, 2012
- **Primary specialty:** Orthopaedic Surgery - Hand Surgery · taxonomy 207XS0106X
- **State license:** MD2019-0224 (New Mexico)
- **Sole proprietor:** Yes
## Practice location
- **Address:** 101 HOSPITAL LOOP NE STE 201, Albuquerque, NM 87109-2128
- **Phone:** (505) 727-4430 · **Fax:** (505) 727-9401
## Medicare
- **Medicare:** Enrolled (PECOS); accepts Medicare assignment
- **Ordering & referring:** eligible for Part B labs & imaging, durable medical equipment, home health, power mobility devices
- **Bills Medicare through:** 3 organizations under Medicare reassignment (form CMS-855R): Southwest Medical Associates, LLC (NPI 1164491072, Albuquerque, NM); Monument Health Network, Inc. (NPI 1588185268, Hot Springs, SD); Monument Health Rapid City Hospital, Inc (NPI 1376370288, Rapid City, SD) · CMS Revalidation Reassignment List, October 2026 release
- **Medical school:** University Of New Mexico School Of Medicine, class of 2012
## Record status
- **NPPES last updated:** January 23, 2020
- **Other identifiers:** Medicaid 48476854 (NM)
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Source: [NPI Profile](https://npiprofile.com/npi/1821357179) · Data from the CMS NPPES public registry.