Karin Duffy, PA-C
NPI 1780638643 · Physician Assistant · Columbia, SC
Enrolled with Medicare as Practitioner - Physician Assistant · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Karin Duffy, PA-C is a Physician Assistant provider in Columbia, SC (NPI 1780638643).
Provider details
- NPI number
- 1780638643
- Entity type
- Individual
- Primary specialty
- Physician AssistantPhysician Assistants & Advanced Practice Nursing Providers
- Credential
- PA-C
- Sex
- Female
- Sole proprietor
- No
- License
- 102604 (NC)
Specialties & taxonomies
Physician Assistants & Advanced Practice Nursing Providers
Physician Assistants & Advanced Practice Nursing Providers
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure28% of score
20 yrs in NPPES registry
- Profile completeness28% of score
100% of core fields populated
- Practice footprint17% of score
3 documented practice locations
- Medicare service volume (vs. specialty peers)28% of score
789 Medicare services, 2024 (ranked within specialty)
Medicare volume is ranked against active providers in the same specialty. 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 does (Medicare)
Based on Medicare fee-for-service claims, 2024; not all care is captured.
| Service (HCPCS) | Medicare services | Typical Medicare-allowed (2024) |
|---|---|---|
| X-Ray of Knee, 3 Views73562 | 214 | $33 |
| Replacement of Knee Joint, Both Sides of Knee27447 | 121 | $171 |
| X-Ray of Hip, 2-3 Views73502 | 118 | $38 |
| Aspiration And/Or Injection of Fluid From Large Joint20610 | 112 | $60 |
| Established Patient Office Or Other Outpatient Visit With Low Level OD Decision Making, If Using Time, 20 Minutes Or More99213 | 76 | $76 |
| Replacement of Thigh Bone and Hip Joint With Prosthesis27130 | 71 |
What this provider prescribes (Medicare Part D)
Top drugs by Medicare Part D claim volume, 2024 · 12 distinct drugs on file.
| Drug | Part D claims (2024) | Beneficiaries |
|---|---|---|
| Celecoxib | 180 | 134 |
| Oxycodone Hcl | 174 | 134 |
| Ondansetron Hcl | 134 | 133 |
| Tramadol Hcl | 101 | 68 |
| Meloxicam | 87 | 49 |
| Pantoprazole Sodium | 71 | 68 |
| Naloxone Hcl | 33 | 33 |
| Amoxicillin | 22 |
Practice location
Mailing address
Additional practice locations (2)
- 104 Saluda Pointe DrLexington, SC 29072-7295Phone: (803) 227-8162Fax: (803) 227-8033
- 104 Saluda Pointe DrLexington, SC 29072-7295Phone: (803) 227-8162Fax: (803) 227-8033
Registry dates
- Enumerated
- 2006-05-22
- Last updated
- 2021-06-04
- Certified
- 2021-06-04
Frequently asked questions
- What is Karin Duffy's NPI number?
- Karin Duffy's National Provider Identifier (NPI) is 1780638643, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Karin Duffy's specialty?
- Karin Duffy is listed in the NPPES registry with a primary specialty of Physician Assistant (Physician Assistants & Advanced Practice Nursing Providers).
- Where is Karin Duffy located?
- Karin Duffy's practice location on file with NPPES is 14 Richland Medical Park Dr Ste 200, Columbia, SC 29203-6882.
- What is Karin Duffy's phone number?
- The practice phone number listed in the NPPES registry for Karin Duffy is (803) 296-9784.
- Does Karin Duffy accept Medicare?
- Karin Duffy is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Karin Duffy's NPI active?
- Yes — Karin Duffy's NPI (1780638643) is active in the NPPES registry as of the last update on 2021-06-04.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.