DR. MARGARET FOX MD
NPI 1003894452
Preventive Medicine - Addiction Medicine in Espanola, NM
About Dr. Margaret Fox Md NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
DR. MARGARET FOX MD (NPI 1003894452) is an individual addiction medicine provider in Espanola, New Mexico, licensed in New Mexico (MD2023-0222) and active in the NPI registry since January 2006. She is enrolled in Medicare PECOS, is affiliated with Presbyterian Espanola Hospital, and maintains a secondary practice location in Albuquerque.
NPPES Registry Identity
Specialties & Licenses 3
Secondary Practice Location 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. Margaret Fox 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
4Medicare enrollment records show Margaret Fox reassigns Medicare billing to 4 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.
Espanola, NM 87532
- Reassigned Medicare billing, New Mexico enrollment
- Also billed through NPI 1790761138 (New Mexico), NPI 1558347708 (New Mexico)
- 2,331 clinicians in this Medicare group
Tesuque, NM 87574
- Reassigned Medicare billing, New Mexico enrollment
- 6 clinicians in this Medicare group
Portland, OR 97204
- Reassigned Medicare billing, Ohio enrollment
- 162 clinicians in this Medicare group
Atlanta, GA 30305
- Reassigned Medicare billing, Georgia enrollment
- 1,389 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
Hospitals where this provider delivers care, identified from recent Medicare claims and place-of-service records.
Presbyterian Espanola Hospital
Acute Care Hospitals · Espanola, NMPhysician Visit Costs CMS claims · ZIP area
Typical Medicare office-visit costs in the 87532 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 3
Providers registered at the same practice address, or within the immediate area, according to the NPPES registry.
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 Margaret Fox's NPI number?
The NPI number for Margaret Fox is 1003894452. It was assigned to this individual provider in the NPPES registry on January 5, 2006.
Where is Margaret Fox located?
Margaret Fox practices at 1000 N Paseo De Onate, Espanola, NM 87532. The listed phone number is (505) 231-0652.
What is Margaret Fox's specialty?
The primary specialty registered for this NPI is Preventive Medicine, specializing in Addiction Medicine, with taxonomy code 2083A0300X.
Is Margaret Fox enrolled in Medicare?
Yes. Margaret Fox 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 Margaret Fox's services?
According to the CMS Revalidation Reassignment List (October 2026 release), Margaret Fox reassigns Medicare benefits to 4 organizations: Presbyterian Healthcare Services (Espanola, NM), Santa Fe Mountain Center Inc (Tesuque, NM), Boulder Care Provider Group PA (Portland, OR) and The Southeast Permanente Medical Group (Atlanta, GA). 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 Margaret Fox's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.
What insurance does Margaret Fox accept?
Health plans from Antidote Health Plan of Ohio, Inc. and CareSource list Margaret Fox 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 Margaret Fox affiliated with any hospitals?
According to CMS data, Margaret Fox is affiliated with Presbyterian Espanola Hospital.
When was this NPI record last updated?
The NPPES record for Margaret Fox was last updated on May 30, 2024. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 2 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. Margaret Fox, MD · NPI 1003894452
Addiction Medicine physician in Espanola, New Mexico. Individual provider, active in the CMS NPPES registry since January 5, 2006.
## Identity
- **NPI:** 1003894452 (Entity type: Individual)
- **Enumerated:** January 5, 2006
- **Primary specialty:** Preventive Medicine - Addiction Medicine · taxonomy 2083A0300X
- **State license:** MD2023-0222 (New Mexico)
- **Sole proprietor:** No
## Practice location
- **Address:** 1000 N PASEO DE ONATE, Espanola, NM 87532-2683
- **Phone:** (505) 231-0652
## 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): Presbyterian Healthcare Services (NPI 1154307593, Espanola, NM); Santa Fe Mountain Center Inc (NPI 1861695769, Tesuque, NM); Boulder Care Provider Group PA (NPI 1649838590, Portland, OR); The Southeast Permanente Medical Group (NPI 1245266956, Atlanta, GA) · CMS Revalidation Reassignment List, October 2026 release
- **Medical school:** Tulane University School Of Medicine, class of 1995
## Record status
- **NPPES last updated:** May 30, 2024
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Source: [NPI Profile](https://npiprofile.com/npi/1003894452) · Data from the CMS NPPES public registry.