MARGIE M HARTFIELD MD
NPI 1659468650
Pediatrics in Nogales, AZ
About Margie M Hartfield Md NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
MARGIE M HARTFIELD MD (NPI 1659468650) is an individual pediatrics provider in Nogales, Arizona, licensed in Arizona (54710) and active in the NPI registry since October 2006. She is enrolled in Medicare PECOS.
NPPES Registry Identity
Specialties & Licenses 2
Accepted Insurance
Medicare Participation & PECOS CMS
Medicare enrollment, assignment, billing reassignment, and ordering and referring status from CMS.
Medicare Enrollment Status
Enrolled in Medicare (PECOS)
Margie M Hartfield Md is registered in the CMS Provider Enrollment, Chain and Ownership System (PECOS).
Medicare Billing Reassignments
6Medicare enrollment records show Margie Hartfield reassigns Medicare billing to 6 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.
Phoenix, AZ 85042
- Reassigned Medicare billing, Arizona enrollment
- 166 clinicians in this Medicare group
Yuma, AZ 85364
- Reassigned Medicare billing, Arizona enrollment
- 557 clinicians in this Medicare group
Casper, WY 82601
- Reassigned Medicare billing, Wyoming enrollment
- 54 clinicians in this Medicare group
Elk Grove Village, IL 60007
- Reassigned Medicare billing, Illinois enrollment
- 281 clinicians in this Medicare group
Chicago, IL 60629
- Reassigned Medicare billing, Illinois enrollment
- 132 clinicians in this Medicare group
Richmond, IN 47374
- Reassigned Medicare billing, Indiana enrollment
- 527 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.
Physician Visit Costs CMS claims · ZIP area
Typical Medicare office-visit costs in the 85621 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 20
Providers registered at the same practice address, or within the immediate area, according to the NPPES registry.
NOGALES, AZ 85621
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 Margie Hartfield's NPI number?
The NPI number for Margie Hartfield is 1659468650. It was assigned to this individual provider in the NPPES registry on October 10, 2006.
Where is Margie Hartfield located?
Margie Hartfield practices at 1852 N Mastick Way, Nogales, AZ 85621. The listed phone number is (520) 281-1550.
What is Margie Hartfield's specialty?
The primary specialty registered for this NPI is Pediatrics with taxonomy code 208000000X.
Is Margie Hartfield enrolled in Medicare?
Yes. Margie Hartfield is registered in the Medicare PECOS enrollment system.
Which organizations bill Medicare for Margie Hartfield's services?
According to the CMS Revalidation Reassignment List (October 2026 release), Margie Hartfield reassigns Medicare benefits to 6 organizations: Mountain Park Health Center (Phoenix, AZ), Yuma Regional Medical Center (Yuma, AZ), Banner Hospital Based Physicians West LLC (Casper, WY), Bonaventure Medical Foundation, LLC (Elk Grove Village, IL), Friend Family Health Center Inc (Chicago, IL) and 1 more organization, listed in the Medicare section above. 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 Margie Hartfield's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.
What insurance does Margie Hartfield accept?
Health plans from Ambetter Health, Ambetter from Arizona Complete Health, Ambetter from Buckeye Health Plan, Ambetter from Meridian and Antidote Health Plan of Arizona, Inc. and 5 other insurers list Margie Hartfield 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.
When was this NPI record last updated?
The NPPES record for Margie Hartfield was last updated on December 30, 2024. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 22 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.
# Margie M Hartfield, MD · NPI 1659468650
Pediatrics physician in Nogales, Arizona. Individual provider, active in the CMS NPPES registry since October 10, 2006.
## Identity
- **NPI:** 1659468650 (Entity type: Individual)
- **Enumerated:** October 10, 2006
- **Primary specialty:** Pediatrics · taxonomy 208000000X
- **State license:** 54710 (Arizona)
- **Sole proprietor:** No
## Practice location
- **Address:** 1852 N MASTICK WAY, Nogales, AZ 85621-1063
- **Phone:** (520) 281-1550 · **Fax:** (520) 281-2335
## Medicare
- **Medicare:** Enrolled in Medicare (PECOS)
- **Ordering & referring:** eligible for Part B labs & imaging, durable medical equipment, home health, power mobility devices
- **Bills Medicare through:** 6 organizations under Medicare reassignment (form CMS-855R): Mountain Park Health Center (NPI 1558308825, Phoenix, AZ); Yuma Regional Medical Center (NPI 1194706655, Yuma, AZ); Banner Hospital Based Physicians West LLC (NPI 1619464120, Casper, WY); Bonaventure Medical Foundation, LLC (NPI 1588775647, Elk Grove Village, IL); Friend Family Health Center Inc (NPI 1457525792, Chicago, IL); and 1 more · CMS Revalidation Reassignment List, October 2026 release
## Record status
- **NPPES last updated:** December 30, 2024
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Source: [NPI Profile](https://npiprofile.com/npi/1659468650) · Data from the CMS NPPES public registry.