Mark Duffield, DO
NPI 1881697803 · Orthopaedic Surgery Physician · Austell, GA
Enrolled with Medicare as Practitioner - Orthopedic Surgery · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Mark Duffield, DO is a Orthopaedic Surgery Physician provider in Austell, GA (NPI 1881697803).
Provider details
- NPI number
- 1881697803
- Entity type
- Individual
- Primary specialty
- Orthopaedic Surgery PhysicianAllopathic & Osteopathic Physicians
- Credential
- DO
- Sex
- Male
- Sole proprietor
- No
- License
- 038740 (GA)
Specialties & taxonomies
Allopathic & Osteopathic Physicians
Allopathic & Osteopathic Physicians
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure25% of score
21 yrs in NPPES registry
- Profile completeness25% of score
100% of core fields populated
- Practice footprint15% of score
1 documented practice location
- Medicare service volume (vs. specialty peers)25% of score
903 Medicare services, 2024 (ranked within specialty)
- Open Payments transparency10% of score
Has Open Payments disclosures (2024)
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 .
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) |
|---|---|---|
| Established Patient Office Or Other Outpatient Visit With Low Level OD Decision Making, If Using Time, 20 Minutes Or More99213 | 325 | $90 |
| Aspiration And/Or Injection of Fluid From Large Joint20610 | 214 | $70 |
| X-Ray of Hip, 2-3 Views73502 | 78 | $47 |
| X-Ray of Knee, 3 Views73562 | 78 | $41 |
| Established Patient Office Or Other Outpatient Visit With Moderate Level of Decision Making, If Using Time, 30 Minutes Or More99214 | 72 | $126 |
| New Patient Office Or Other Outpatient Visit With Low Level of Medical Decision Making, If Using Time, 30 Minutes Or More99203 | 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 |
|---|---|---|
| Meloxicam | 311 | 118 |
| Celecoxib | 304 | 122 |
| Oxycodone Hcl/Acetaminophenbrand: Oxycodone-Acetaminophen | 93 | 61 |
| Ondansetron Hcl | 55 | 48 |
| Tramadol Hcl | 54 | 42 |
| Hydrocodone/Acetaminophenbrand: Hydrocodone-Acetaminophen | 40 | 32 |
| Gabapentin | 34 |
Transparency — industry payments
Based on CMS Open Payments, 2024; not all care is captured.
$209 across 6 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
- 2005-05-23
- Last updated
- 2014-11-14
Frequently asked questions
- What is Mark Duffield's NPI number?
- Mark Duffield's National Provider Identifier (NPI) is 1881697803, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Mark Duffield's specialty?
- Mark Duffield is listed in the NPPES registry with a primary specialty of Orthopaedic Surgery Physician (Allopathic & Osteopathic Physicians).
- Where is Mark Duffield located?
- Mark Duffield's practice location on file with NPPES is 3672 Marathon Cir, Austell, GA 30106-6821.
- What is Mark Duffield's phone number?
- The practice phone number listed in the NPPES registry for Mark Duffield is (770) 944-3303.
- Does Mark Duffield accept Medicare?
- Mark Duffield is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Mark Duffield's NPI active?
- Yes — Mark Duffield's NPI (1881697803) is active in the NPPES registry as of the last update on 2014-11-14.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.