NPPES file of Aug 9, 2026

Abigail Elizabeth Diefenbach, AGACNP-BC

Acute Care Nurse Practitioner · Dearborn, MI

Abigail Elizabeth Diefenbach, AGACNP-BC is an acute care nurse practitioner with a practice address in Dearborn, Michigan, and NPI 1023856200, issued on Jul 19, 2024. Check the license (Michigan 4704322332, as entered in NPPES) with the Michigan board that licenses this profession; the Medicare figures below come from public CMS files.

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

NPPES recordNPPES file of Aug 9, 2026
1023856200
Name
Abigail Elizabeth Diefenbach
Credential
AGACNP-BC
Primary taxonomy
Acute Care Nurse Practitioner 363LA2100X
License number
4704322332 MI
Self-reported in NPPES; status is on the state search
Practice location
18101 Oakwood Blvd, Dearborn, MI 48124
Phone
(313) 593-7000
Enumerated
Jul 19, 2024
Record last updated
Mar 16, 2026
Medicare enrollment
Enrolled (PECOS I20241221000029); accepts Medicare assignment
Entity
Type 1 · individual
Public record from CMS NPPES (open it on the CMS NPI Registry). Enrollment, assignment, school and telehealth: CMS Doctors and Clinicians file, Aug 2026. A record is not a license: verify it with the state board.
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8 nearest acute care nurse practitioner records → All 865 in Michigan → Look up another NPI →

Also registered at 18101 Oakwood Blvd

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

  1. Omar Abbas, MDDiagnostic Radiology Physician1255225751
  2. Ahmed AbdelrahimInternal Medicine Physician1376160960
  3. Sarah Abdelsamad, MDGeriatric Medicine (Internal Medicine) Physician1518451236
  4. Ahmed AbdulbagiInternal Medicine Physician1154005817
  5. Mohammad Abed Alhaleem, M.D.Student in an Organized Health Care Education/Training Program1275372963
  6. Sindhoora Adyanthaya, MDInternal Medicine Physician1053974758

Verify Abigail Elizabeth Diefenbach in five checks

  1. 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
  2. 2LicenseActive license and public ordersWhich Michigan board licenses this profession
    Search for license 4704322332    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
Find the Michigan 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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Bills Medicare through one group practice

  1. Beaumont Medical Group Hospital Based ServicesDearborn, MI

Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).

Abigail Elizabeth Diefenbach among 865 acute care nurse practitioner records in Michigan

Abigail Elizabeth Diefenbach, AGACNP-BC is one of 865 acute care nurse practitioner records with a practice address in Michigan. 83% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2024, is newer than 88% of them.

  • NPI issued2024 · 88% of these records are older, 6% newer
  • In a Medicare fileYes · 83% of these records are
  • In the CMS Doctors and Clinicians fileYes · 69% of these records are
  • Graduated2024 · median 2019 among the 597 with a school on file
  • Record last updated2026 · 43% of these records were not updated in five years or more

Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 363LA2100X and a Michigan practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).

Acute Care Nurse Practitioner providers in Michigan

There are 865 acute care nurse practitioner records in Michigan.

All 865 in Michigan → Every provider in Dearborn → Acute Care Nurse Practitioner nationwide →

The 8 acute care nurse practitioner records with the nearest ZIP codes

  1. Lori Chester, ACNP-BCDearborn, MI 481241699006585
  2. Lauren CollavinoDearborn, MI 481241417410739
  3. Erica Ellul, RN, MSN, AGACNP-BCDearborn, MI 481241720502594
  4. Annette Frendo, ACNPDearborn, MI 481241033457650
  5. Tammy Kujala, NPDearborn, MI 481241073861415
  6. Jose Ramil Lasala, ACNP-BCDearborn, MI 481241710284872
  7. Melissa Markoc, NPDearborn, MI 481241316394893
  8. Jaclyn Phillion, ACAGNPDearborn, MI 481241578044962

Common questions

What is Abigail Elizabeth Diefenbach, AGACNP-BC's NPI number?

Abigail Elizabeth Diefenbach, AGACNP-BC's National Provider Identifier (NPI) is 1023856200, issued on Jul 19, 2024. An NPI identifies a provider in billing; it is not a license.

Where is Abigail Elizabeth Diefenbach, AGACNP-BC located?

The NPPES record lists a practice address at 18101 Oakwood Blvd, Dearborn, MI, 48124. Phone: (313) 593-7000. Providers update this record themselves, so call before visiting.

How can I verify Abigail Elizabeth Diefenbach, AGACNP-BC's license?

NPPES lists Michigan license number 4704322332, as entered by the provider. Search the Michigan board that licenses this profession; the NPPES record confirms identity only.

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

Written with AI tools from the named public files; every figure is computed from those files (how it is made).

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.