NELS N DAHLGREN MD
NPI 1396884318
Anesthesiology in Carlsbad, NM
About Nels N Dahlgren Md NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
NELS N DAHLGREN MD (NPI 1396884318) is an individual anesthesiology provider in Carlsbad, New Mexico, licensed in New Mexico (MD2006-0838) and active in the NPI registry since February 2007. He is enrolled in Medicare PECOS, is affiliated with Carlsbad Medical Center, and is a graduate of University Of California, San Diego School Of Medicine (2002).
NPPES Registry Identity
Specialties & Licenses
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
Nels N Dahlgren Md 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
5Medicare enrollment records show Nels Dahlgren reassigns Medicare billing to 5 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.
Carlsbad, NM 88220
- Reassigned Medicare billing, New Mexico enrollment
- 18 clinicians in this Medicare group
Alamogordo, NM 88310
- Reassigned Medicare billing, New Mexico enrollment
- 417 clinicians in this Medicare group
Albuquerque, NM 87106
- Reassigned Medicare billing, New Mexico enrollment
- 2,105 clinicians in this Medicare group
Albuquerque, NM 87109
- Reassigned Medicare billing, New Mexico enrollment
- 554 clinicians in this Medicare group
Las Vegas, NV 89130
- Reassigned Medicare billing, New Mexico enrollment
- 4 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 6
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
Hospitals where this provider delivers care, identified from recent Medicare claims and place-of-service records.
Carlsbad Medical Center
Acute Care Hospitals · Carlsbad, NMMedicare 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.
Reported Quality Measures
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.
CARLSBAD, NM 88220
CARLSBAD, NM 88220
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 Nels Dahlgren's NPI number?
The NPI number for Nels Dahlgren is 1396884318. It was assigned to this individual provider in the NPPES registry on February 6, 2007.
Where is Nels Dahlgren located?
Nels Dahlgren practices at 2430 W Pierce St, Carlsbad, NM 88220. The listed phone number is (505) 659-6815.
What is Nels Dahlgren's specialty?
The primary specialty registered for this NPI is Anesthesiology with taxonomy code 207L00000X.
Is Nels Dahlgren enrolled in Medicare?
Yes. Nels Dahlgren 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 Nels Dahlgren's services?
According to the CMS Revalidation Reassignment List (October 2026 release), Nels Dahlgren reassigns Medicare benefits to 5 organizations: Carlsbad Anesthesia Services LLC (Carlsbad, NM), Otero County Hospital Association (Alamogordo, NM), Unm Medical Group Inc (Albuquerque, NM), Southwest Medical Associates, LLC (Albuquerque, NM) and Centennial Medical Group LLP (Las Vegas, NV). 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 Nels Dahlgren's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.
Is Nels Dahlgren affiliated with any hospitals?
According to CMS data, Nels Dahlgren is affiliated with Carlsbad Medical Center.
When was this NPI record last updated?
The NPPES record for Nels Dahlgren was last updated on October 13, 2026. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 12 days 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.