NPPES file of Aug 9, 2026

Eric A. Duffield, P.A

Physician Assistant · Lansing, MI

Eric A. Duffield, P.A is a physician assistant with a practice address in Lansing, Michigan, and NPI 1245427004, issued on Sep 26, 2007. Check the license (Michigan 5601003938, 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 · Medicare files 2024 · method · Verify with CMS →

NPPES recordNPPES file of Aug 9, 2026
1245427004
Name
Eric A. Duffield
Credential
P.A
Primary taxonomy
Physician Assistant 363A00000X
License number
5601003938 MI
Self-reported in NPPES; status is on the state search
Practice location
405 W Greenlawn Ave, Lansing, MI 48910
Phone
(517) 346-5000
Enumerated
Sep 26, 2007
Record last updated
Sep 26, 2007 (not updated in 19 years: call before relying on the address or phone)
Fax
(517) 346-5001
Medicare enrollment
Enrolled (PECOS I20071211000385); accepts Medicare assignment
Telehealth
Offers telehealth (CMS)
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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Also registered at 405 W Greenlawn Ave

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

  1. Mujahed Abbas, M.D.Critical Care Medicine (Internal Medicine) Physician1861500894
  2. Bridgette Arnal, NPAcute Care Nurse Practitioner1376193961
  3. Sha'Nae BernardOphthalmic Assistant1659156602
  4. Kurt BinderCertified Registered Nurse Anesthetist1144743485
  5. Latosha BrownTechnician/Technologist1568031029
  6. Kurt Carter, MDSurgery Physician1194723148

Verify Eric A. Duffield 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 5601003938
    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

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6.7 times the Medicare Part D claims of the average physician assistant in 2024

5,570 Medicare Part D claims for 440 beneficiaries, against an average of 830 among the 101,058 providers of this specialty who prescribed in Part D. Brand-name drugs were 15% of claims. 34 claims were for opioids.

  1. Eric Duffield5,570
  2. Specialty average830

Most prescribed

  1. Albuterol Sulfate Hfa247 claims
  2. Levothyroxine Sodium229 claims
  3. Omeprazole196 claims
  4. Amlodipine Besylate181 claims
  5. Atorvastatin Calcium164 claims
  6. Montelukast Sodium144 claims

Source: CMS Medicare Part D Prescribers by Provider and Drug, 2024 (data.cms.gov). Part D covers prescriptions for Medicare patients only; drugs with fewer than 11 claims are not published.

Industry payments in 2024: $574.23

31 payments; by number, the most common kind was food and beverage; the largest payer was GlaxoSmithKline, LLC. The 64,719 providers of this specialty with any payment received $841.65 on average. Payments are reported by manufacturers, not by the provider, and are not a sign of wrongdoing.

  1. Eric Duffield$574.23
  2. Specialty average$841.65

Source: CMS Open Payments, program year 2024 (openpaymentsdata.cms.gov); average among providers of this specialty with at least one payment.

Bills Medicare through one group practice

  1. Memorial HospitalOwosso, MI

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

154 physician assistant records list a practice address in Lansing

They are 154 of the 5,276 NPPES records with a practice address in Lansing, and 6,989 physician assistant records in Michigan.

Other physician assistant records in Michigan

  1. Hauraa Aalabdulrasul, PADetroit, MI1467181982
  2. Kilee Aamodt, PA-CMuskegon, MI1578964300
  3. Rasha AbbasDetroit, MI1750239505
  4. Layan Abbasi, PA-CYpsilanti, MI1043045552
  5. Veronica Abbo, PA-CRoseville, MI1659889806
  6. Stephanie Abbott, PA-CGrand Rapids, MI1386072825
  7. Samar Abboud, PA-CYpsilanti, MI1871942144
  8. Salma Abd Elhamid, PA-CTroy, MI1457245730
  9. Malak Abdallah, PA-CDearborn, MI1245922194
  10. Marriam Abdallah, PA-CDearborn, MI1720962574

Common questions

What is Eric A. Duffield, P.A's NPI number?

Eric A. Duffield, P.A's National Provider Identifier (NPI) is 1245427004, issued on Sep 26, 2007. An NPI identifies a provider in billing; it is not a license.

Where is Eric A. Duffield, P.A located?

The NPPES record lists a practice address at 405 W Greenlawn Ave, Lansing, MI, 48910. Phone: (517) 346-5000. Providers update this record themselves, so call before visiting.

How can I verify Eric A. Duffield, P.A's license?

NPPES lists Michigan license number 5601003938, as entered by the provider. Search the Michigan board that licenses this profession; the NPPES record confirms identity only.

How much does Eric A. Duffield, P.A prescribe under Medicare Part D?

In 2024, Eric A. Duffield, P.A had 5,570 Medicare Part D claims for 440 beneficiaries; the average among physician assistant prescribers was 830. Part D covers Medicare prescriptions 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.

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.