Registry data as of Aug 27, 2026

Deborah Duncan, MD

Family Medicine Physician · Fenton, MI

Deborah Duncan, MD is a family medicine physician with a practice address in Fenton, Michigan, and NPI 1760452247, issued on Jan 25, 2006. Check the license (Michigan 4301051746, as entered in NPPES) on the Michigan Board of Medicine; the Medicare figures below come from public CMS files.

Record from CMS NPPES, loaded Aug 27, 2026 · Medicare files 2023 and 2024 · method · Verify with CMS →

NPPES recordas of Aug 27, 2026
1760452247
Name
Deborah Duncan
Credential
MD
Primary taxonomy
Family Medicine Physician 207Q00000X
License number
4301051746 MI
Self-reported in NPPES; status is on the state search
Practice location
102 N Adelaide St, Fenton, MI 48430
Phone
(810) 629-2245
Enumerated
Jan 25, 2006
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 102 N Adelaide St

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

  1. Rebecca BaustertLicensed Practical Nurse1548796477
  2. Darin Clark, P.A.-CPhysician Assistant1568439537
  3. Daryl Damron, D.C.Chiropractor1205803780
  4. Niketa Dani, MDInternal Medicine Physician1649272477
  5. Deborah Fowler, P,A.-CPhysician Assistant1073580056
  6. Beth Gentner, P.A.-CPhysician Assistant1457328833

Verify Deborah Duncan in five checks

  1. 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
  2. 2LicenseActive license and public ordersMichigan Board of Medicine
    Search for license 4301051746
    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 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.

3.7 times the Medicare Part D claims of the average family medicine physician in 2024

12,854 Medicare Part D claims for 813 beneficiaries, against an average of 3,519 among the 111,126 providers of this specialty who prescribed in Part D. Brand-name drugs were 14% of claims. 735 claims were for opioids.

  1. Deborah Duncan12,854
  2. Specialty average3,519

Most prescribed

  1. Levothyroxine Sodium592 claims
  2. Amlodipine Besylate447 claims
  3. Atorvastatin Calcium435 claims
  4. Losartan Potassium418 claims
  5. Hydrocodone-Acetaminophen361 claims
  6. Lisinopril351 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: $1,481.67

72 payments, mostly food and beverage; the largest payer was AstraZeneca Pharmaceuticals LP. The 53,013 providers of this specialty with any payment received $861.30 on average. Payments are reported by manufacturers, not by the provider, and are not a sign of wrongdoing.

  1. Deborah Duncan$1,481.67
  2. Specialty average$861.30

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

One hospital or facility affiliation

  1. Fenton Medical CenterFenton, MI

Source: CMS Doctors and Clinicians affiliations; Hospital General Information (Care Compare) (data.cms.gov). Star ratings are CMS hospital ratings, not ratings of this provider.

21 family medicine physician records list a Fenton practice address

They are 21 of the 456 NPPES records with a Fenton practice address, and 5,783 family medicine physician records in Michigan.

Other family medicine physician records in Michigan

  1. Asma AbbasHamtramck, MI1982946463
  2. Saadia Abbas, MDChesterfield, MI1619136868
  3. Faezeh AbbasiMonroe, MI1144065921
  4. Layla Abbasi, MDWayne, MI1346177607
  5. Marisa Abbo, DORochester Hills, MI1184605388
  6. Cathleen Abbott, M.D.East Lansing, MI1275630501
  7. Leah Abbott, MDGwinn, MI1760987341
  8. Nina Abboud, DORochester Hills, MI1639750557
  9. Ryan Abboud, DOBingham Farms, MI1104353077
  10. Christina Abd, MDSterling Heights, MI1770371965

Common questions

What is Deborah Duncan, MD's NPI number?

Deborah Duncan, MD's National Provider Identifier (NPI) is 1760452247, issued on Jan 25, 2006. An NPI identifies a provider in billing; it is not a license.

Where is Deborah Duncan, MD located?

The NPPES record lists a practice address at 102 N Adelaide St, Fenton, MI, 48430. Phone: (810) 629-2245. Providers update this record themselves, so call before visiting.

How can I verify Deborah Duncan, MD's license?

NPPES lists Michigan license number 4301051746, as entered by the provider. Search the Michigan Board of Medicine at https://www.michigan.gov/lara/bureau-list/bpl/health/hp-lic-health-prof/medical. The NPPES record confirms identity only; the state search shows license status, expiration and public orders.

How much does Deborah Duncan, MD prescribe under Medicare Part D?

In 2024, Deborah Duncan, MD had 12,854 Medicare Part D claims for 813 beneficiaries; the average among family medicine physician prescribers was 3,519. Part D covers Medicare prescriptions only.

Source: CMS National Plan and Provider Enumeration System (NPPES), loaded Aug 27, 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.

Every figure on PlainDoctor is rendered directly from the federal CMS NPPES registry, Medicare Part D, MIPS, and Open Payments records, no number is typed in by an editor. See our editorial standards & corrections policy, the methodology behind these numbers, or report a data error. Data current as of Aug 27, 2026.