DR. MICHAEL W JOHNSEN M.D.
NPI 1437123361
Anesthesiology in Albuquerque, NM
About Dr. Michael W Johnsen M.d. NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
DR. MICHAEL W JOHNSEN M.D. (NPI 1437123361) is an individual anesthesiology provider in Albuquerque, New Mexico, licensed in New Mexico (2001-223) and active in the NPI registry since February 2006. He is enrolled in Medicare PECOS, is affiliated with University Medical Center Of El Paso, and maintains a secondary practice location in El Paso.
NPPES Registry Identity
Specialties & Licenses
Secondary Practice Location 1
Other Identifiers 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
Dr. Michael W Johnsen 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
4Medicare enrollment records show Michael Johnsen reassigns Medicare billing to 4 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.
Farmington, NM 87401
- Reassigned Medicare billing, New Mexico enrollment
- 81 clinicians in this Medicare group
El Paso, TX 79911
- Reassigned Medicare billing, Texas enrollment
- Medicare enrollment name: Texas Tech University Health Sciences Center El Paso
- 856 clinicians in this Medicare group
El Paso, TX 79912
- Reassigned Medicare billing, Texas enrollment
- 409 clinicians in this Medicare group
El Paso, TX 79905
- Reassigned Medicare billing, Texas enrollment
- 120 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
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.
University Medical Center Of El Paso
Acute Care Hospitals · El Paso, TXOther Providers at the Same Location NPPES 20
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 Michael Johnsen's NPI number?
The NPI number for Michael Johnsen is 1437123361. It was assigned to this individual provider in the NPPES registry on February 15, 2006.
Where is Michael Johnsen located?
Michael Johnsen practices at 4401 Masthead St NE Suite 120, Albuquerque, NM 87109. The listed phone number is (505) 243-7729.
What is Michael Johnsen's specialty?
The primary specialty registered for this NPI is Anesthesiology with taxonomy code 207L00000X.
Is Michael Johnsen enrolled in Medicare?
Yes. Michael Johnsen 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 Michael Johnsen's services?
According to the CMS Revalidation Reassignment List (October 2026 release), Michael Johnsen reassigns Medicare benefits to 4 organizations: Resource Anesthesiology Associates Of Nm Inc (Farmington, NM), Texas Tech University Health Sciences Center (El Paso, TX), El Paso County Hospital District (El Paso, TX) and Anesthesia Associates Of El Paso PA (El Paso, TX). 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 Michael Johnsen's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.
What insurance does Michael Johnsen accept?
Health plans from Blue Cross and Blue Shield of Texas and Cigna Healthcare list Michael Johnsen 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 Michael Johnsen affiliated with any hospitals?
According to CMS data, Michael Johnsen is affiliated with University Medical Center Of El Paso.
When was this NPI record last updated?
The NPPES record for Michael Johnsen was last updated on June 16, 2022. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 4 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.
# Dr. Michael W Johnsen, M.D. · NPI 1437123361
Anesthesiology physician in Albuquerque, New Mexico. Individual provider, active in the CMS NPPES registry since February 15, 2006.
## Identity
- **NPI:** 1437123361 (Entity type: Individual)
- **Enumerated:** February 15, 2006
- **Primary specialty:** Anesthesiology · taxonomy 207L00000X
- **State license:** 2001-223 (New Mexico)
- **Sole proprietor:** No
## Practice location
- **Address:** 4401 MASTHEAD ST NE, SUITE 120, Albuquerque, NM 87109-4493
- **Phone:** (505) 243-7729 · **Fax:** (505) 243-4804
## 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:** 4 organizations under Medicare reassignment (form CMS-855R): Resource Anesthesiology Associates Of Nm Inc (NPI 1386929644, Farmington, NM); Texas Tech University Health Sciences Center (NPI 1083167134, El Paso, TX); El Paso County Hospital District (NPI 1487547295, El Paso, TX); Anesthesia Associates Of El Paso PA (NPI 1942626908, El Paso, TX) · CMS Revalidation Reassignment List, October 2026 release
- **Medical school:** University Of New Mexico School Of Medicine, class of 1997
## Record status
- **NPPES last updated:** June 16, 2022
- **Other identifiers:** Medicaid E1113 (NM)
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Source: [NPI Profile](https://npiprofile.com/npi/1437123361) · Data from the CMS NPPES public registry.