STEPHEN MACKERROW M.D.
NPI 1225075526
Internal Medicine - Interventional Cardiology in Farmington, NM
About Stephen Mackerrow M.d. NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
STEPHEN MACKERROW M.D. (NPI 1225075526) is an individual interventional cardiology provider in Farmington, New Mexico, licensed in New Mexico (87-365) and active in the NPI registry since June 2006. He is enrolled in Medicare PECOS, is affiliated with San Juan Regional Medical Center Inc, and maintains 2 additional practice locations.
NPPES Registry Identity
Specialties & Licenses
Secondary Practice Locations 2
Other Identifiers 2
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
Stephen Mackerrow 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 Reassignment
Medicare enrollment records show Stephen Mackerrow reassigns Medicare billing to 1 organization. The organization bills Medicare for the services this provider delivers there.
Farmington, NM 87401
- Reassigned Medicare billing, New Mexico enrollment
- 368 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 19
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.
San Juan Regional Medical Center Inc
Acute Care Hospitals · Farmington, NMPresbyterian Hospital
Acute Care Hospitals · Albuquerque, NMPhysician Visit Costs CMS claims · ZIP area
Typical Medicare office-visit costs in the 87401 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.
Referred Medical Equipment & Supplies CMS DME claims 3
Durable medical equipment, devices and supplies this provider ordered from DME suppliers for patients, from Medicare fee-for-service claims.
Other Providers at the Same Location NPPES 13
Providers registered at the same practice address, or within the immediate area, according to the NPPES registry.
FARMINGTON, NM 87401
FARMINGTON, NM 87401
FARMINGTON, NM 87401
FARMINGTON, NM 87401
FARMINGTON, NM 87401
FARMINGTON, NM 87401
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 Stephen Mackerrow's NPI number?
The NPI number for Stephen Mackerrow is 1225075526. It was assigned to this individual provider in the NPPES registry on June 2, 2006.
Where is Stephen Mackerrow located?
Stephen Mackerrow practices at 407 S Schwartz Ave Ste 202, Farmington, NM 87401. The listed phone number is (505) 609-6770.
What is Stephen Mackerrow's specialty?
The primary specialty registered for this NPI is Internal Medicine, specializing in Interventional Cardiology, with taxonomy code 207RI0011X.
Is Stephen Mackerrow enrolled in Medicare?
Yes. Stephen Mackerrow 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 organization bills Medicare for Stephen Mackerrow's services?
According to the CMS Revalidation Reassignment List (October 2026 release), Stephen Mackerrow reassigns Medicare benefits to San Juan Regional Medical Center Inc (Farmington, NM). The 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 Stephen Mackerrow's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.
Is Stephen Mackerrow affiliated with any hospitals?
According to CMS data, Stephen Mackerrow is affiliated with San Juan Regional Medical Center Inc and Presbyterian Hospital.
When was this NPI record last updated?
The NPPES record for Stephen Mackerrow was last updated on November 8, 2024. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 23 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.