Dr. Deborah L. Duncan, MD
- Medicare services, 2024
- 2,579
- Medicare patients, 2024
- 301
- Part D claims, 2024
- 12,854
- Industry payments
- $14,020
- Affiliated sites
- 1
- Practice address
- 102 N Adelaide St, Fenton, MI 48430
- Practice phone
- Call (810) 629-2245
- Professional email
- Get professional email
- Personal email
- Get personal email
- Mobile number
- Get mobile number
Primary practice
Fenton Medical Center
Fenton, Michigan
Find Dr. Duncan's professional email, personal email and mobile number
Dmand AI checks each channel through healthcare-specific waterfall enrichment. See what is on file with a free account, with practice phones, licenses and affiliations.
Dr. Deborah L. Duncan is a family medicine physician in Fenton, Michigan
Dr. Duncan practices at Fenton Medical Center in Fenton, Michigan.
Dr. Duncan's NPI, 1760452247, was assigned on January 25, 2006. Dr. Duncan holds Michigan license 4301051746.
- NPI
- 1760452247NPI Registry (opens in a new tab)
- Medicare PAC ID
- 1456332196
- NPI enumeration date
- January 25, 2006
- NPI status
- Active
- Accepts Medicare assignment
- Yes
- Practice phone
- (810) 629-2245
- Professional email
- Get email
- Personal email
- Get email
- Mobile number
- Get number
- Sex
- Female
- Estimated age
- 65
- Medical school graduation
- 1987
Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; Dmand AI Practice Data; and Doctors and Clinicians National Downloadable File (CMS)
Dr. Deborah L. Duncan practices at Fenton Medical Center in Fenton, Michigan
Dr. Duncan's primary practice is Fenton Medical Center, at 102 N Adelaide St, Fenton, MI 48430 in Genesee County. The practice phone is (810) 629-2245.
- Fenton Medical Center102 N Adelaide St, Fenton, MI 48430 · Genesee CountyPhone(810) 629-2245
Sources: NPPES NPI Registry (CMS); and Dmand AI Practice Data
Dr. Deborah L. Duncan is affiliated with 2 sites of care and 1 medical group
Dr. Duncan's primary practice is Fenton Medical Center in Fenton, Michigan. The medical group on file is Fenton Medical Center. Dmand AI also links Dr. Duncan to 1 more group practice or clinic, named with a free account.
Sources: NPPES NPI Registry (CMS); Dmand AI Practice Data; and Dmand AI Affiliation Data
Dmand AI tracks the EHR system at Dr. Deborah L. Duncan's practice
Dmand AI tracks the electronic health record (EHR) system at each site where Dr. Duncan practices. Vendor and product names are available with a free account.
| Site | EHR vendor and product |
|---|---|
| Fenton Medical Center | Available with a free account |
| +1 more affiliated site | Available with a free account |
Source: Dmand AI Technology Install Data
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Dr. Deborah L. Duncan is one of 4,931 family medicine physicians in Michigan
Family medicine is Dr. Duncan's primary specialty in the NPI Registry, under taxonomy code 207Q00000X. Dr. Duncan is licensed in Michigan.
Specialties and state licenses
- Family medicine, MichiganPrimary
Family medicine physicians near Dr. Duncan
Counts of family medicine physicians with a Dmand AI profile, by place and practice. Each opens the list.
Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; and Dmand AI Peer Benchmarks
Dr. Deborah L. Duncan billed Medicare for 2,579 services in 2024
CMS data shows 2,579 Medicare services from Dr. Duncan across 16 procedure codes in 2024, for 301 Medicare patients. Medicare paid $92,990 for them. Every service was in an office.
Dr. Duncan's Medicare services by type, 2023 to 2024
- 2023
- 2024
- Drugs given in the office
- 2023: 1,0202024: 1,0806%
- Office and hospital visits
- 2023: 6982024: 7041%
- Other services
- 2023: 2242024: 42389%
- Lab and pathology
- 2023: 3472024: 27222%
- Tests and treatments
- 2023: 1362024: 10026%
Dr. Duncan compared with the Michigan median for family medicine physicians, 2024
- Dr. Duncan
- Michigan median
- Medicare services
- 2,579vs 24810.4 times
- Medicare patients
- 301vs 1122.7 times
- Part D claims
- 11,889vs 1,03311.5 times
Medians across 4,990 family medicine physicians in Michigan with Dmand AI profiles that report each measure.
Dr. Duncan's most billed Medicare procedure codes, 2024
CMS publishes codes billed for 11 or more Medicare patients. Each label is the code family; CPT descriptions are licensed by the AMA.
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Medicare shows one payer. Book a meeting to get commercial claims data for Dr. Duncan and other family medicine physicians in Michigan.
Sources: Medicare Physician & Other Practitioners - by Provider and Service (CMS), 2024 data; and Dmand AI Peer Benchmarks
Dr. Deborah L. Duncan treated 301 Medicare patients in 2024, average age 73
CMS counts 301 Medicare patients who saw Dr. Duncan in 2024. The largest group is 65 to 74, with 141 patients. 75% of them have high cholesterol, and 73% have high blood pressure. 11% are also on Medicaid. Their average risk score is 1.17, where 1.00 is the Medicare average.
Across all payers, Dmand AI patient panel data puts Dr. Duncan's median patient age at 58, with 60% women.
Dr. Duncan's Medicare patients by age, 2024
Dr. Duncan's Medicare patients by sex, 2024
- Women21672%
- Men8528%
Chronic conditions among Dr. Duncan's Medicare patients, 2024
- High cholesterol75%
- High blood pressure73%
- Arthritis46%
- Mood disorders31%
- Chronic kidney disease30%
- Depression29%
- Anxiety27%
- Diabetes26%
Share of Medicare patients with each condition. A patient can have several.
Dr. Duncan's patients across all payers
Dmand AI patient panel data covers Medicare, Medicaid and commercial patients.
Patient panel by age, all payers
Median age 58
Patient panel by sex, all payers
- Women60%
- Men40%
Sources: Dmand AI Patient Panel Data; and Medicare Physician & Other Practitioners - by Provider (CMS), 2024 data
Dr. Deborah L. Duncan wrote 12,854 Medicare Part D claims in 2024
In 2024, Dr. Duncan wrote 12,854 Medicare Part D claims for 813 patients. 86% of them were for generic drugs. CMS names the drug for 11,889 of them, across 185 drugs with 11 or more claims each, at $1,324,471 in total drug cost. In 2023, CMS named 11,121 claims across 184 drugs.
Dr. Duncan's Part D claims by kind of drug, 2024
- Generic11,056 claims86%
- Brand-name1,755 claims14%
- Other43 claims0%
Dr. Duncan's most prescribed drugs by claims, 2024
CMS names a drug when it has 11 or more claims. Share is of the claims for drugs CMS names.
Drug classes CMS tracks in Dr. Duncan's Part D claims, 2024
- Opioids6%735 of 12,854 claims
- Antibiotics2%258 of 12,854 claims
- Antipsychotics, patients 65 and over1%184 of 12,854 claims
Share of all Part D claims for each drug class CMS reports on. Classes with no claims are left out.
Part D claims for drugs CMS names, 2023 to 2024
- 2023
- 2024
- Claims for drugs CMS names
- 2023: 11,1212024: 11,8897%
Drugs named by CMS: 185 in 2024, 184 in 2023.
Sources: Medicare Part D Prescribers - by Provider and Drug (CMS), 2024 data, released May 6, 2026; and Medicare Part D Prescribers - by Provider (CMS), 2024 data
How Dr. Deborah L. Duncan takes part in Medicare
Dr. Duncan accepts Medicare assignment, so Medicare's approved amount is taken as full payment.
- Accepts Medicare assignment
- Yes
Removal of skin lesions: 1 to 10 procedures (CMS shows small counts as a range)
Removal or shaving of skin growth: 1 to 10 procedures (CMS shows small counts as a range)
Sources: Doctors and Clinicians National Downloadable File (CMS); and Doctors and Clinicians Utilization Data (CMS)
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Dr. Deborah L. Duncan received $14,020 in industry payments from 2016 to 2025
CMS Open Payments shows 886 general payments to Dr. Duncan from 65 drug and device companies from 2016 to 2025. Food and beverage make up the largest share, 96% of the total. GlaxoSmithKline, LLC. paid the most, $2,284.
General payments to Dr. Duncan by program year, 2016 to 2025
General payments to Dr. Duncan by kind, 2016 to 2025
- Food and beverage$13,45896%
- Education$3132%
- Travel and lodging$2502%
Companies that paid Dr. Duncan the most, 2016 to 2025
Share is of all general payments to this clinician.
Source: Open Payments (CMS), 2025 data, released July 7, 2026
Sources for Dr. Deborah L. Duncan's profile data
| Data on this page | Source |
|---|---|
| NPI, name, sex, specialty and licenses | NPPES NPI Registry (CMS) (opens in a new tab)Dmand AI Professional Profile Data |
| Practice locations and phone | NPPES NPI Registry (CMS) (opens in a new tab)Dmand AI Practice Data |
| Primary practice, affiliations and health system | NPPES NPI Registry (CMS) (opens in a new tab)Dmand AI Practice DataDmand AI Affiliation Data |
| Medicare services and procedure codes | Medicare Physician & Other Practitioners - by Provider and Service (CMS) (opens in a new tab) |
| State medians for the same specialty | Dmand AI Peer Benchmarks |
| Medicare patients and the all-payer patient panel | Dmand AI Patient Panel DataMedicare Physician & Other Practitioners - by Provider (CMS) (opens in a new tab) |
| Part D prescribing | Medicare Part D Prescribers - by Provider and Drug (CMS) (opens in a new tab)Medicare Part D Prescribers - by Provider (CMS) (opens in a new tab) |
| MIPS scores, telehealth, assignment and procedure percentiles | Doctors and Clinicians National Downloadable File (CMS) (opens in a new tab)Doctors and Clinicians Utilization Data (CMS) (opens in a new tab) |
| Industry payments | Open Payments (CMS) (opens in a new tab) |
| EHR at each practice site | Dmand AI Technology Install Data |
| Similar physicians | Dmand AI Affiliation Data |
Data last refreshed October 2026Report an inaccuracyRemove my information
FAQ
Frequently asked questions about Dr. Deborah L. Duncan
Spotted something out of date? Email hello@dmand.ai and we will check the record. Contact details live in the free trial.
What is Dr. Deborah L. Duncan's NPI number?
Dr. Deborah L. Duncan's NPI number is 1760452247. It was assigned on January 25, 2006, and it is active in the NPI Registry.
What kind of doctor is Dr. Deborah L. Duncan?
Dr. Deborah L. Duncan is a family medicine physician in Fenton, Michigan. The primary specialty in the NPI Registry is Family Medicine Physician (taxonomy code 207Q00000X).
Where does Dr. Deborah L. Duncan practice?
Dr. Duncan practices at 102 N Adelaide St, Fenton, MI 48430. Dr. Duncan's primary practice is Fenton Medical Center in Fenton, Michigan. Dmand AI also links Dr. Duncan to 1 group practice or clinic.
What is Dr. Deborah L. Duncan's office phone number?
The practice phone on file for Dr. Duncan is (810) 629-2245.
What is Dr. Deborah L. Duncan's medical license number?
Dr. Duncan holds Michigan license 4301051746.
What medical group is Dr. Deborah L. Duncan part of?
Dr. Duncan is linked to Fenton Medical Center.
Does Dr. Deborah L. Duncan accept Medicare?
Yes. CMS data shows Dr. Duncan billed Medicare for 2,579 services in 2024, and Dr. Duncan accepts Medicare assignment.
How many Medicare patients does Dr. Deborah L. Duncan see?
CMS counts 301 Medicare patients who saw Dr. Duncan in 2024, with an average age of 73.
What services does Dr. Deborah L. Duncan bill to Medicare?
In 2024, Dr. Duncan's most billed Medicare services were injected or infused drug (J0897), office visit, established patient (99214) and medicare service (G2211).
What drugs does Dr. Deborah L. Duncan prescribe most?
In 2024 Medicare Part D data, Dr. Duncan's most prescribed drugs by claims were Levothyroxine Sodium, Amlodipine Besylate and Atorvastatin Calcium.
Has Dr. Deborah L. Duncan received payments from drug or device companies?
CMS Open Payments shows $14,020 in general payments to Dr. Duncan from 65 companies from 2016 to 2025. The largest total came from GlaxoSmithKline, LLC.
How long has Dr. Deborah L. Duncan been practicing?
Dr. Duncan graduated from medical school in 1987, 39 years ago.
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