NPPES file of Aug 9, 2026

Ellen Schaeffer, MD

Emergency Medicine Physician · Willcox, AZ

Ellen Schaeffer, MD is an emergency medicine physician with a practice address in Willcox, Arizona, and NPI 1255383402, issued on May 16, 2006. Check the license (Arizona 34518, as entered in NPPES) on the Arizona Medical Board; the federal record below is the public data PlainDoctor holds for this provider.

Record from CMS NPPES, file of Aug 9, 2026 · method · Verify with CMS →

NPPES recordNPPES file of Aug 9, 2026
1255383402
Name
Ellen Schaeffer
Credential
MD
Primary taxonomy
Emergency Medicine Physician 207P00000X
License number
34518 AZ
Self-reported in NPPES; status is on the state search
Practice location
901 W Rex Allen Dr, Willcox, AZ 85643
Phone
(800) 444-7009
Enumerated
May 16, 2006
Record last updated
Jul 13, 2026
Entity
Type 1 · individual
Public record from CMS NPPES (open it on the CMS NPI Registry). A record is not a license: verify it with the state board.
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Also registered at 901 W Rex Allen Dr

A shared address usually means a shared clinic or building; it does not show who employs whom.

  1. Mary BalderstonRegistered Nurse1477153823
  2. Joshua Dopko, MDEmergency Medicine Physician1457304925
  3. Hisham Hamam, MDHospitalist Physician1285785097
  4. Carol Hippenmeyer, MDEmergency Medicine Physician1336192822
  5. Ashley Hunter, PTAPhysical Therapy Assistant1861379737
  6. Anthony Llewellyn, MDEmergency Medicine Physician1831143700

Verify Ellen Schaeffer in five checks

  1. 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
  2. 2LicenseActive license and public ordersArizona Medical Board
    Search for license 34518
    Check the board
  3. 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
  4. 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
  5. 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
Open the Arizona license search

PlainDoctor does not match the HHS-OIG exclusion list to individual records: most entries carry no NPI. Search the OIG exclusion list by name.

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Ellen Schaeffer among 1,494 emergency medicine physician records in Arizona

Ellen Schaeffer, MD is one of 1,494 emergency medicine physician records with a practice address in Arizona. 79% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does not. Its NPI, issued in 2006, is newer than 10% of them.

  • NPI issued2006 · 10% of these records are older, 62% newer
  • In a Medicare fileNo · 79% of these records are
  • In the CMS Doctors and Clinicians fileNo · 55% of these records are
  • Record last updated2026 · 55% of these records were not updated in five years or more

Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 207P00000X and a Arizona practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).

7 emergency medicine physician records list a practice address in Willcox

They are 7 of the 47 NPPES records with a practice address in Willcox, and 1,494 emergency medicine physician records in Arizona. No Medicare prescribing, quality score, industry payment or hospital affiliation is published for this NPI.

The 8 emergency medicine physician records with the nearest ZIP codes

  1. Joshua Dopko, MDWillcox, AZ 856431457304925
  2. Carol Hippenmeyer, MDWillcox, AZ 856431336192822
  3. Anthony Llewellyn, MDWillcox, AZ 856431831143700
  4. Bruce OggWillcox, AZ 856431275585440
  5. Charles Schroll, MDWillcox, AZ 856431881649846
  6. William Straw, MDWillcox, AZ 856431265485718
  7. John Fahlberg, M.D.Vail, AZ 856411144543737
  8. John Barberii, MDSierra Vista, AZ 856351629163068

Common questions

What is Ellen Schaeffer, MD's NPI number?

Ellen Schaeffer, MD's National Provider Identifier (NPI) is 1255383402, issued on May 16, 2006. An NPI identifies a provider in billing; it is not a license.

Where is Ellen Schaeffer, MD located?

The NPPES record lists a practice address at 901 W Rex Allen Dr, Willcox, AZ, 85643. Phone: (800) 444-7009. Providers update this record themselves, so call before visiting.

How can I verify Ellen Schaeffer, MD's license?

NPPES lists Arizona license number 34518, as entered by the provider. Search the Arizona Medical Board at https://www.azmd.gov/. The NPPES record confirms identity only; the state search shows license status, expiration and public orders.

Source: CMS National Plan and Provider Enumeration System (NPPES), file of Aug 9, 2026 (NPPES files on CMS.gov); NUCC Health Care Provider Taxonomy. An NPI identifies who bills; it is not a license.

Figures on PlainDoctor are read from the federal files each page names (CMS NPPES, Medicare Part D, MIPS, Open Payments; the HHS-OIG exclusion list only as counts) and from Census population estimates, with the file date shown beside them. See our editorial standards & corrections policy, the methodology behind these numbers, or report a data error. Data current as of Aug 9, 2026.