Amy Duff, DO
NPI 1922748342 · Internal Medicine Physician · Myrtle Beach, SC
Enrolled with Medicare as Practitioner - Internal Medicine · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Amy Duff, DO is a Internal Medicine Physician provider in Myrtle Beach, SC (NPI 1922748342).
Provider details
- NPI number
- 1922748342
- Entity type
- Individual
- Primary specialty
- Internal Medicine PhysicianAllopathic & Osteopathic Physicians
- Credential
- DO
- Sex
- Female
- Sole proprietor
- No
- License
- 87535 (SC)
Specialties & taxonomies
Allopathic & Osteopathic Physicians
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure33% of score
4 yrs in NPPES registry
- Profile completeness33% of score
100% of core fields populated
- Practice footprint20% of score
1 documented practice location
- Open Payments transparency13% of score
Has Open Payments disclosures (2024)
Signals a provider has no public data for (e.g. Medicare claims) are left out of the score entirely — never counted as zero — so providers without that data are not penalized. See the full formula and weights in our methodology.
What this provider prescribes (Medicare Part D)
Top drugs by Medicare Part D claim volume, 2024 · 19 distinct drugs on file.
| Drug | Part D claims (2024) | Beneficiaries |
|---|---|---|
| Amlodipine Besylate | 30 | 13 |
| Atorvastatin Calcium | 29 | — |
| Metformin Hclbrand: Metformin Hcl Er | 25 | — |
| Gabapentin | 24 | — |
| Levothyroxine Sodium | 24 | — |
| Pantoprazole Sodium | 17 | — |
Transparency — industry payments
Based on CMS Open Payments, 2024; not all care is captured.
$328 across 3 records (Open Payments 2024)
Open Payments discloses payments and transfers of value (meals, travel, consulting, research, royalties) from drug and device makers to providers. This is a transparency signal, not a verdict — such payments are legal and common, and their presence is neither an endorsement nor a criticism. Source: CMS Open Payments, program year 2024.
Practice location
Mailing address
Registry dates
- Enumerated
- 2022-04-01
- Last updated
- 2025-08-27
- Certified
- 2025-08-27
Frequently asked questions
- What is Amy Duff's NPI number?
- Amy Duff's National Provider Identifier (NPI) is 1922748342, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Amy Duff's specialty?
- Amy Duff is listed in the NPPES registry with a primary specialty of Internal Medicine Physician (Allopathic & Osteopathic Physicians).
- Where is Amy Duff located?
- Amy Duff's practice location on file with NPPES is Grand Strand Medical Center- Gme Office, Myrtle Beach, SC 29572.
- What is Amy Duff's phone number?
- The practice phone number listed in the NPPES registry for Amy Duff is (843) 692-1118.
- Does Amy Duff accept Medicare?
- Amy Duff is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Amy Duff's NPI active?
- Yes — Amy Duff's NPI (1922748342) is active in the NPPES registry as of the last update on 2025-08-27.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.