DR. SARAH ELIZABETH GERTRUDE CARTER M.D.
NPI 1487889796
Surgery - Surgical Critical Care in Flagstaff, AZ
About Dr. Sarah Elizabeth Gertrude Carter M.d. NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
DR. SARAH ELIZABETH GERTRUDE CARTER M.D. (NPI 1487889796) is an individual surgical critical care provider in Flagstaff, Arizona, licensed in Arizona (77792) and active in the NPI registry since May 2009. She is enrolled in Medicare PECOS, is affiliated with Saint Alphonsus Regional Medical Center, and maintains 4 additional practice locations.
NPPES Registry Identity
Specialties & Licenses 3
Secondary Practice Locations 4
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. Sarah Elizabeth Gertrude Carter 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
9Medicare enrollment records show Sarah Carter reassigns Medicare billing to 9 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.
Flagstaff, AZ 86001
- Reassigned Medicare billing, Arizona enrollment
- 552 clinicians in this Medicare group
Casper, WY 82601
- Reassigned Medicare billing, Wyoming enrollment
- 119 clinicians in this Medicare group
Boise, ID 83706
- Reassigned Medicare billing, Idaho enrollment
- 781 clinicians in this Medicare group
La Crosse, WI 54601
- Reassigned Medicare billing, Wisconsin enrollment
- 1,457 clinicians in this Medicare group
Janesville, WI 53548
- Reassigned Medicare billing, Wisconsin enrollment
- 1,155 clinicians in this Medicare group
Erie, PA 16550
- Reassigned Medicare billing, Pennsylvania enrollment
- 962 clinicians in this Medicare group
Yulee, FL 32097
- Reassigned Medicare billing, Florida enrollment
- Also billed through NPI 1295995561 (Florida)
- 573 clinicians in this Medicare group
Oxford, MA 01540
- Reassigned Medicare billing, Massachusetts enrollment
- 2,902 clinicians in this Medicare group
Fairhaven, MA 02719
- Reassigned Medicare billing, Massachusetts enrollment
- 1,144 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 5
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 4
Hospitals where this provider delivers care, identified from recent Medicare claims and place-of-service records.
Saint Alphonsus Regional Medical Center
Acute Care Hospitals · Boise, IDUmass Memorial Healthalliance Hospitals
Acute Care Hospitals · Leominster, MAMilford Regional Medical Center
Acute Care Hospitals · Milford, MAUmass Memorial Medical Center/University Campus
Acute Care Hospitals · Worcester, MAOther Providers at the Same Location NPPES 20
Providers registered at the same practice address, or within the immediate area, according to the NPPES registry.
FLAGSTAFF, AZ 86001
FLAGSTAFF, AZ 86001
FLAGSTAFF, AZ 86001
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 Sarah Carter's NPI number?
The NPI number for Sarah Carter is 1487889796. It was assigned to this individual provider in the NPPES registry on May 17, 2009.
Where is Sarah Carter located?
Sarah Carter practices at 1200 N Beaver St, Flagstaff, AZ 86001. The listed phone number is (928) 773-2200.
What is Sarah Carter's specialty?
The primary specialty registered for this NPI is Surgery, specializing in Surgical Critical Care, with taxonomy code 2086S0102X.
Is Sarah Carter enrolled in Medicare?
Yes. Sarah Carter 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 Sarah Carter's services?
According to the CMS Revalidation Reassignment List (October 2026 release), Sarah Carter reassigns Medicare benefits to 9 organizations: Northern Arizona Healthcare Corporation (Flagstaff, AZ), Banner Health Physicians West LLC (Casper, WY), Saint Alphonsus Regional Medical Center Inc (Boise, ID), Gundersen Lutheran Medical Center, Inc (La Crosse, WI), Mercy Health System Corporation (Janesville, WI) and 4 more organizations, 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 Sarah Carter's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.
What insurance does Sarah Carter accept?
Health plans from Anthem Blue Cross and Blue Shield, Blue Cross Blue Shield of Arizona, Cigna HealthCare of Arizona, Inc, Florida Blue (BlueCross BlueShield FL) and Florida Blue HMO (a BlueCross BlueShield FL company) and 2 other insurers list Sarah Carter 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 Sarah Carter affiliated with any hospitals?
According to CMS data, Sarah Carter is affiliated with Saint Alphonsus Regional Medical Center, Umass Memorial Healthalliance Hospitals, Milford Regional Medical Center and Umass Memorial Medical Center/University Campus.
When was this NPI record last updated?
The NPPES record for Sarah Carter was last updated on February 24, 2026. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 8 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.