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Edit this profileAt a glance
- 3672 Marathon Cir, Suite 200, Austell, GA 30106
About Dr. Duffield
Mark S. Duffield, DO is a healthcare provider in Austell, GA specializing in orthopedic surgery. Mark trained at At Still University of Health Sciences, College of Osteo Med, Kirksville, graduating in 1987. Mark is also listed as specializing in orthopaedic sports medicine and orthopaedic surgery. Medicare claims data shows Mark provided 12,794 services to 853 patients. The services billed most often include injection, methylprednisolone acetate, 1 mg, established patient office or other outpatient visit with low level od decision making, if using time, 20 minutes or more, and injection, dexamethasone sodium phosphate, 1 mg. This provider record is associated with NPI 1881697803.
Factual summary compiled by Guide.md from public records; not written by this provider.
Education & Training
Specialty
Credentials & Licensing
Medicare information
Exactly as CMS reports it (National Downloadable File, Opt-Out Affidavits, Order & Referring). Not an insurance directory; confirm coverage with the office.
Contact Information
- (770) 944-3303
- Email not available
Practice Locations
3672 MARATHON CIR SUITE 200
Austell, GA 30106
Conditions Commonly Evaluated or Treated
Within Orthopedic Surgery generally. Availability varies by clinician, training and location — this profile has not been claimed, so nothing here is a personal claim by the provider.
Conditions
Most searched conditions
Elbow, hand, and wrist
Foot and ankle
Hip
Shoulder
Sports and soft tissue
Trauma and bone
Foot & Ankle
Spine
Procedures & services
Most searched procedures
Evaluation and nonsurgical
Arthroscopy
Foot & Ankle
Foot and ankle
Hand & Wrist
Hand and upper extremity
Injections & Non-Surgical
Injections & pain relief
Joint replacement
- Partial knee replacement
- Reverse shoulder replacement
- Revision joint replacement
- Shoulder replacement
Knee
Shoulder surgery
Trauma & Fractures
Trauma and fixation
Procedures Most Often Billed to Medicare
12,794 services · 853 patients · 11 distinct codes
| Procedure | Type | Code | Services | Compared with peers |
|---|---|---|---|---|
| Aspiration and/or injection of fluid from large joint | Procedure | 20610 |
214 | More often than most peers in Orthopedic Surgery |
| X-ray of knee, 3 views | Imaging | 73562 |
78 | As often as other peers in Orthopedic Surgery |
| X-ray of hip, 2-3 views | Imaging | 73502 |
78 | More often than most peers in Orthopedic Surgery |
| X-ray of shoulder, minimum of 2 views | Imaging | 73030 |
46 | As often as other peers in Orthopedic Surgery |
| X-ray of lower and sacral spine, 2-3 views | Imaging | 72100 |
19 | Less often than most peers in Orthopedic Surgery |
| Injection, methylprednisolone acetate, 1 mg | Drug given | J1010 |
11,520 | More often than most peers in Orthopedic Surgery |
| Injection, dexamethasone sodium phosphate, 1 mg | Drug given | J1100 |
282 | As often as other peers in Orthopedic Surgery |
| Injection, methylprednisolone acetate, 80 mg | Drug given | J1040 |
89 | More often than most peers in Orthopedic Surgery |
| Established patient office or other outpatient visit with low level od decision making, if using time, 20 minutes or more | Office visit | 99213 |
325 | More often than most peers in Orthopedic Surgery |
| Established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more | Office visit | 99214 |
72 | As often as other peers in Orthopedic Surgery |
Source: CMS Medicare public data. Shows how often procedures were billed — not quality of care or patient satisfaction.
Related providers
Connections drawn from the registry and from what providers have told us. A link here is not a referral or an endorsement.
Other orthopedic surgeons at this location 5
Same specialty, same street address — most likely the same department or group.
Related specialists at this location 8
Clinically related specialties at the same address — the people this provider most likely works alongside.
Also at this address 4
Providers at the same street address. Each files their own registry entry, so a shared practice often appears under several different names.
More connections — 29 related providers in 4 groups
Other orthopedic surgeons in Austell 6
Same specialty, same city.
Trained at At Still University of Health Sciences, College of Osteo Med, Kirksville 8
Other providers in the same specialty who trained at the same institution.
Class of 1987 at At Still University of Health Sciences, College of Osteo Med, Kirksville 8
Providers who graduated from the same medical school in the same year.
Also performs Aspiration and/or injection of fluid from large joint 7
Providers in GA who bill this service to Medicare most often.
Common questions
What is Dr. Duffield's specialty?
Dr. Duffield is an orthopedic surgeon in Austell, GA. That is the designation recorded for this NPI in the federal registry, where it is listed as “Orthopedic Surgery”.
NPI registry
Where can I find Dr. Duffield?
Dr. Duffield is listed at 3672 Marathon Cir Suite 200, Austell, GA 30106. Addresses come from the NPI registry and can lag a move, so confirm before travelling.
NPI registry
How do I contact Dr. Duffield?
The number on file is (770) 944-3303. Contact the office directly to confirm availability and scheduling.
NPI registry
What is the NPI for Dr. Duffield?
Dr. Duffield's National Provider Identifier is 1881697803. It is issued by the Centers for Medicare & Medicaid Services and is unique and permanent — it does not change if they move practice.
NPI registry
What is Dr. Duffield's medical education?
Dr. Duffield attended At Still University of Health Sciences, College of Osteo Med, Kirksville, graduating in 1987. This comes from the CMS National Downloadable File.
CMS public data
How much experience does Dr. Duffield have?
Dr. Duffield has 39 years experience. Calculated from a graduation year of 1987, reported in the CMS National Downloadable File.
CMS public data
What is Dr. Duffield known for?
According to Medicare billing data, Dr. Duffield performs procedures including aspiration and/or injection of fluid from large joint; reads or performs imaging such as x-ray of knee, 3 views and x-ray of hip, 2-3 views, alongside routine visits and testing. This reflects Medicare patients only and is billing volume, not a measure of quality.
Medicare claims
Is Dr. Duffield's profile verified?
Not yet. This profile is built from public federal data and has not been confirmed by Dr. Duffield. If this is you, claiming it is free.
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