Dr. Amy Lynn Duff, DO
- Part D claims, 2024
- 715
- Hospital affiliations
- 2
- Industry payments
- $768
- Medical group
- 1
- State license
- 1
- Practice address
- 809 82nd Parkway, Myrtle Beach, SC 29572
- Practice phone
- Call (843) 692-1000
- Professional email
- Get professional email
- Personal email
- Get personal email
- Mobile number
- Get mobile number
Primary practice
Find Dr. Duff'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. Amy Lynn Duff is an internist in Myrtle Beach, South Carolina
Dr. Duff practices at Grand Strand Medical Center in Myrtle Beach, South Carolina, part of HCA Healthcare.
Dr. Duff's NPI, 1922748342, was assigned on April 1, 2022. Dr. Duff holds South Carolina license 87535.
- NPI
- 1922748342NPI Registry (opens in a new tab)
- Medicare PAC ID
- 2769865435
- NPI enumeration date
- April 1, 2022
- NPI status
- Active
- Accepts Medicare assignment
- Yes
- Practice phone
- (843) 692-1000
- Professional email
- Get email
- Personal email
- Get email
- Mobile number
- Get number
- Sex
- Female
- Estimated age
- 30
- Medical school graduation
- 2022
Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; Dmand AI Affiliation Data; and Doctors and Clinicians National Downloadable File (CMS)
Dr. Amy Lynn Duff practices at Grand Strand Medical Center in Myrtle Beach, South Carolina
Dr. Duff's primary practice is Grand Strand Medical Center, at 809 82nd Parkway, Myrtle Beach, SC 29572 in Horry County. The practice phone is (843) 692-1000.
- Grand Strand Medical Center809 82nd Parkway, Myrtle Beach, SC 29572 · Horry CountyPhone(843) 692-1000
Source: Dmand AI Affiliation Data
Dr. Amy Lynn Duff is affiliated with 2 sites of care and 1 medical group
Dr. Duff's primary practice is Grand Strand Medical Center in Myrtle Beach, South Carolina, part of HCA Healthcare. Dr. Duff is also affiliated with McLeod Health Loris. The medical group on file is Southeastern Hospitalist Services.
Sources: Dmand AI Affiliation Data; and Dmand AI Org Hierarchy Data
Dmand AI tracks the EHR system at Dr. Amy Lynn Duff's practice
Dmand AI tracks the electronic health record (EHR) system at each site where Dr. Duff practices, 2 sites in all. Vendor and product names are available with a free account.
| Site | EHR vendor and product |
|---|---|
| Grand Strand 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. Amy Lynn Duff is one of 1,707 internists in South Carolina
Internal medicine is Dr. Duff's primary specialty in the NPI Registry, under taxonomy code 207R00000X. Dr. Duff is licensed in South Carolina.
Specialties and state licenses
- Internal medicine, South CarolinaPrimary
Internists near Dr. Duff
Counts of internists 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. Amy Lynn Duff's patients have a median age of 69
Across all payers, Dmand AI patient panel data puts Dr. Duff's median patient age at 69, with 62% women.
Dr. Duff's patients across all payers
Dmand AI patient panel data covers Medicare, Medicaid and commercial patients.
Patient panel by age, all payers
Median age 69
Patient panel by sex, all payers
- Women62%
- Men37%
Source: Dmand AI Patient Panel Data
Dr. Amy Lynn Duff wrote 715 Medicare Part D claims in 2024
In 2024, Dr. Duff wrote 715 Medicare Part D claims for 108 patients. 84% of them were for generic drugs. CMS names the drug for 317 of them, across 19 drugs with 11 or more claims each, at $18,830 in total drug cost.
Dr. Duff's Part D claims by kind of drug, 2024
- Generic601 claims84%
- Brand-name and other114 claims16%
Dr. Duff'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. Duff's Part D claims, 2024
- Opioids3%19 of 715 claims
- Antibiotics4%30 of 715 claims
Share of all Part D claims for each drug class CMS reports on. Classes with no claims are left out.
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. Amy Lynn Duff takes part in Medicare
Dr. Duff accepts Medicare assignment, so Medicare's approved amount is taken as full payment.
- Accepts Medicare assignment
- Yes
Source: Doctors and Clinicians National Downloadable File (CMS)
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Dr. Amy Lynn Duff received $768 in industry payments from 2024 to 2025
CMS Open Payments shows 14 general payments to Dr. Duff from 8 drug and device companies from 2024 to 2025. Food and beverage make up the largest share, 100% of the total. Novo Nordisk Inc paid the most, $204.
General payments to Dr. Duff by program year, 2024 to 2025
Companies that paid Dr. Duff the most, 2024 to 2025
Share is of all general payments to this clinician.
Source: Open Payments (CMS), 2025 data, released July 7, 2026
Sources for Dr. Amy Lynn Duff'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 | Dmand AI Affiliation Data |
| Primary practice, affiliations and health system | Dmand AI Affiliation DataDmand AI Org Hierarchy Data |
| Medicare patients and the all-payer patient panel | Dmand AI Patient Panel Data |
| 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) |
| 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. Amy Lynn Duff
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. Amy Lynn Duff's NPI number?
Dr. Amy Lynn Duff's NPI number is 1922748342. It was assigned on April 1, 2022, and it is active in the NPI Registry.
What kind of doctor is Dr. Amy Lynn Duff?
Dr. Amy Lynn Duff is an internist in Myrtle Beach, South Carolina. The primary specialty in the NPI Registry is Internal Medicine Physician (taxonomy code 207R00000X).
Where does Dr. Amy Lynn Duff practice?
Dr. Duff practices at 809 82nd Parkway, Myrtle Beach, SC 29572. Dr. Duff's primary practice is Grand Strand Medical Center in Myrtle Beach, South Carolina, part of HCA Healthcare.
What is Dr. Amy Lynn Duff's office phone number?
The practice phone on file for Dr. Duff is (843) 692-1000.
What is Dr. Amy Lynn Duff's medical license number?
Dr. Duff holds South Carolina license 87535.
Which hospitals is Dr. Amy Lynn Duff affiliated with?
Dr. Duff practices at Grand Strand Medical Center in Myrtle Beach, South Carolina. Dr. Duff is also affiliated with McLeod Health Loris.
What medical group is Dr. Amy Lynn Duff part of?
Dr. Duff is linked to Southeastern Hospitalist Services.
Does Dr. Amy Lynn Duff accept Medicare?
Yes. CMS lists Dr. Duff as accepting Medicare assignment.
What drugs does Dr. Amy Lynn Duff prescribe most?
In 2024 Medicare Part D data, Dr. Duff's most prescribed drugs by claims were Amlodipine Besylate, Atorvastatin Calcium and Metformin HCl ER.
Has Dr. Amy Lynn Duff received payments from drug or device companies?
CMS Open Payments shows $768 in general payments to Dr. Duff from 8 companies from 2024 to 2025. The largest total came from Novo Nordisk Inc.
How long has Dr. Amy Lynn Duff been practicing?
Dr. Duff graduated from medical school in 2022, 4 years ago.
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