Active NPI 1881697803 Individual Practitioner Male Practitioner

Dr. Mark S. Duffield , DO

Orthopaedic Surgery • Austell, GA

✓ Accepts Medicare Assignment

Professional Overview & Biography Verified Profile Summary

Dr. Mark Duffield, DO is a certified Orthopaedic Surgery practicing in Austell, GA. With approximately 39 years of clinical experience since graduating from At Still University Of Health Sciences, College Of Osteo Med, Kirksville in 1987, Dr. Duffield delivers high-quality medical care to the local community at 3672 MARATHON CIR.

Dr. Duffield is affiliated with Piedmont Orthopedics, Llc and accepts Medicare assignment.

Frequently performed procedures and clinical services include injection, methylprednisolone acetate, 1 mg, established patient outpatient office visit, injection, dexamethasone sodium phosphate, 1 mg. Full Medicare procedure pricing transparency rates and service volume details are listed on this profile.

Practice Location & Contact Primary Location

Practice Address

3672 Marathon Cir
Suite 200

Austell, GA 301066821

Telephone 7709443303

Fax 7709440285

Associated Practice Facility / Clinic

🏢 Orthoatlanta, Llc Facility NPI 1467594242

Medicare Profile & Education

Medical School

At Still University Of Health Sciences, College Of Osteo Med, Kirksville

Graduation Year

1987

Medicare Assignment

✓ Accepts Assignment

Telehealth Flag

In-Person Only

Specialty Benchmarks & Practice Insights

Comparative analytics for Orthopaedic Surgery in Austell, GA

Senior Veteran Specialist (>20 Yrs)

Practitioner Clinical Experience

39 Yrs +8.2 yrs vs City Avg

City Avg: 30.8 Yrs

State Avg: 23.7 Yrs

Regional Practice Density

17 Specialists

Practicing in Austell, GA (797 Statewide)

Telehealth Adoption Rate

0.0% Regional Adoption

In-Person Office Visits Only

Medicare Pricing Discount

68.7% Avg Savings

Under CMS Medicare Fee Schedule vs Standard Submitted Charges

Clinical Seniority & Experience Comparison

Dr. Duffield (39 Years) 39 Yrs

Austell Specialty Average (30.8 Years) 30.8 Yrs

Performed Procedures & Service Volume

Top Medicare Part B procedures performed by this practitioner

CMS Official Data (2024)

Reporting Year:

HCPCS Code & Description	Services	Patients	Submitted Charge	Medicare Allowed
J1010 Injection, methylprednisolone acetate, 1 mg	11,520	73	$0.57	$0.13
99213 Established patient office or other outpatient visit, typically 15 minutes	325	209	$261.06	$90.00
J1100 Injection, dexamethasone sodium phosphate, 1 mg	282	62	$1.00	$0.11
20610 Aspiration and/or injection of fluid from large joint	214	145	$258.18	$69.66
J1040 Injection, methylprednisolone acetate, 80 mg	89	35	$44.00	$9.69
73502 X-ray of hip, 2-3 views	78	69	$146.00	$47.30
73562 X-ray of knee, 3 views	78	69	$127.00	$40.88
99214 Established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more	72	57	$380.83	$126.11
99203 New patient office or other outpatient visit with low level of medical decision making, if using time, 30 minutes or more	71	71	$370.00	$111.86
73030 X-ray of shoulder, minimum of 2 views	46	44	$103.00	$34.85
72100 X-ray of lower and sacral spine, 2-3 views	19	19	$125.00	$38.79

HCPCS Code & Description	Services	Patients	Submitted Charge	Medicare Allowed
J1100 Injection, dexamethasone sodium phosphate, 1 mg	318	65	$1.00	$0.12
99213 Established patient office or other outpatient visit, typically 15 minutes	310	194	$253.00	$90.27
J1040 Injection, methylprednisolone acetate, 80 mg	306	101	$44.00	$11.60
20610 Aspiration and/or injection of fluid from large joint	237	160	$263.89	$70.50
99203 New patient office or other outpatient visit with low level of medical decision making, if using time, 30 minutes or more	90	90	$370.00	$111.63
73502 X-ray of hip, 2-3 views	84	70	$146.00	$47.03
99214 Established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more	82	67	$370.00	$127.74
73562 X-ray of knee, 3 views	75	72	$127.00	$40.53
73030 X-ray of shoulder, minimum of 2 views	54	46	$103.00	$34.98
27130 Replacement of thigh bone and hip joint with prosthesis	18	18	$4757.00	$1296.74
72100 X-ray of lower and sacral spine, 2-3 views	16	16	$125.00	$40.51

HCPCS Code & Description	Services	Patients	Submitted Charge	Medicare Allowed
J1100 Injection, dexamethasone sodium phosphate, 1 mg	305	63	$1.00	$0.12
J1040 Injection, methylprednisolone acetate, 80 mg	288	103	$44.00	$10.90
99213 Established patient office or other outpatient visit, typically 15 minutes	281	191	$253.00	$90.87
20610 Aspiration and/or injection of fluid from large joint	220	154	$244.86	$68.65
99203 New patient office or other outpatient visit with low level of medical decision making, if using time, 30 minutes or more	118	118	$370.00	$112.29
99214 Established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more	93	74	$370.00	$126.60
73502 X-ray of hip, 2-3 views	76	63	$146.00	$48.39
73562 X-ray of knee, 3 views	68	65	$128.87	$42.12
73030 X-ray of shoulder, minimum of 2 views	48	44	$105.15	$35.46
72100 X-ray of lower and sacral spine, 2-3 views	25	25	$121.56	$39.99
27130 Replacement of thigh bone and hip joint with prosthesis	19	19	$4757.00	$1273.29
20605 Aspiration and/or injection of medium joint or joint capsule	14	12	$175.00	$47.80

HCPCS Code & Description	Services	Patients	Submitted Charge	Medicare Allowed
J1100 Injection, dexamethasone sodium phosphate, 1 mg	1,235	37	$1.80	$0.13
99213 Established patient office or other outpatient visit, typically 15 minutes	334	195	$308.00	$90.20
20610 Aspiration and/or injection of fluid from large joint	172	119	$311.02	$67.42
J1040 Injection, methylprednisolone acetate, 80 mg	161	75	$42.61	$10.28
73562 X-ray of knee, 3 views	107	85	$165.93	$40.98
99203 New patient office or other outpatient visit with low level of medical decision making, if using time, 30 minutes or more	104	104	$437.50	$110.59
J3301 Injection, triamcinolone acetonide, not otherwise specified, 10 mg	92	23	$11.09	$1.23
J1030 Injection, methylprednisolone acetate, 40 mg	70	49	$28.70	$5.35
73502 X-ray of hip, 2-3 views	63	55	$170.38	$46.04
99214 Established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more	54	50	$436.67	$126.00
73030 X-ray of shoulder, minimum of 2 views	44	39	$126.50	$34.24
72100 X-ray of lower and sacral spine, 2-3 views	37	35	$151.76	$38.27
20552 Injections of trigger points in 1 or 2 muscles	22	21	$298.18	$52.19
73610 X-ray of ankle, minimum of 3 views	17	13	$130.24	$36.86

HCPCS Code & Description	Services	Patients	Submitted Charge	Medicare Allowed
99213 Established patient office or other outpatient visit, typically 15 minutes	408	242	$370.00	$72.62
20610 Aspiration and/or injection of fluid from large joint	146	106	$388.36	$65.34
J1040 Injection, methylprednisolone acetate, 80 mg	143	93	$40.00	$10.85
J1030 Injection, methylprednisolone acetate, 40 mg	116	85	$30.00	$5.67
J3301 Injection, triamcinolone acetonide, not otherwise specified, 10 mg	108	33	$15.00	$1.37
99203 New patient office or other outpatient visit with low level of medical decision making, if using time, 30 minutes or more	96	96	$550.00	$104.32
73562 X-ray of knee, 3 views	88	72	$208.35	$36.60
73030 X-ray of shoulder, minimum of 2 views	50	42	$150.00	$32.31
73502 X-ray of hip, 2-3 views	33	33	$210.00	$43.00
20552 Injections of trigger points in 1 or 2 muscles	31	30	$330.00	$53.27
72100 X-ray of lower and sacral spine, 2-3 views	21	21	$180.00	$37.13
73020 X-ray of shoulder, 1 view	20	18	$126.00	$20.16
73501 X-ray of hip with pelvis, 1 view	18	17	$160.00	$30.95
73110 X-ray of wrist, minimum of 3 views	11	11	$180.00	$38.15

HCPCS Code & Description	Services	Patients	Submitted Charge	Medicare Allowed
99213 Established patient office or other outpatient visit, typically 15 minutes	754	406	$370.00	$73.41
20610 Aspiration and/or injection of fluid from large joint	361	231	$402.38	$63.35
J1040 Injection, methylprednisolone acetate, 80 mg	331	202	$40.00	$11.85
J1030 Injection, methylprednisolone acetate, 40 mg	186	129	$30.00	$6.13
73562 X-ray of knee, 3 views	178	134	$209.21	$36.55
99203 New patient office or other outpatient visit with low level of medical decision making, if using time, 30 minutes or more	136	136	$550.00	$109.31
J3301 Injection, triamcinolone acetonide, not otherwise specified, 10 mg	131	39	$15.00	$1.58
73030 X-ray of shoulder, minimum of 2 views	82	71	$157.32	$29.99
J7323 Hyaluronan or derivative, euflexxa, for intra-articular injection, per dose	75	19	$425.00	$141.05
J1100 Injection, dexamethasone sodium phosphate, 1 mg	75	26	$22.00	$0.12
73502 X-ray of hip, 2-3 views	75	64	$210.00	$42.03
99212 Established patient office or other outpatient visit with straightforward medical decision making, if using time, 10 minutes or more	71	58	$230.00	$44.78
72100 X-ray of lower and sacral spine, 2-3 views	50	45	$180.00	$36.07
20552 Injections of trigger points in 1 or 2 muscles	48	40	$330.00	$55.62
73610 X-ray of ankle, minimum of 3 views	36	20	$160.00	$33.56
99214 Established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more	27	26	$550.00	$102.46
Q9965 Low osmolar contrast material, 100-199 mg/ml iodine concentration, per ml	21	15	$15.00	$0.98
73130 X-ray of hand, minimum of 3 views	20	15	$184.00	$31.88
73110 X-ray of wrist, minimum of 3 views	19	14	$180.00	$36.75
73630 X-ray of foot, minimum of 3 views	19	13	$150.00	$31.41
73070 X-ray of elbow, 2 views	14	12	$140.00	$27.16
77002 Fluoroscopic guidance for needle placement	13	13	$480.00	$94.15

HCPCS Code & Description	Services	Patients	Submitted Charge	Medicare Allowed
99213 Established patient office or other outpatient visit, typically 15 minutes	623	324	$370.00	$71.91
20610 Aspiration and/or injection of fluid from large joint	343	212	$401.98	$62.52
J1040 Injection, methylprednisolone acetate, 80 mg	326	194	$40.00	$12.78
J1100 Injection, dexamethasone sodium phosphate, 1 mg	230	42	$22.00	$0.11
J1030 Injection, methylprednisolone acetate, 40 mg	194	141	$30.00	$6.58
73562 X-ray of knee, 3 views	142	108	$202.04	$34.20
99203 New patient office or other outpatient visit with low level of medical decision making, if using time, 30 minutes or more	111	111	$550.00	$105.73
73030 X-ray of shoulder, minimum of 2 views	89	70	$155.06	$30.09
J3301 Injection, triamcinolone acetonide, not otherwise specified, 10 mg	65	19	$15.00	$1.76
Q9965 Low osmolar contrast material, 100-199 mg/ml iodine concentration, per ml	47	19	$15.00	$0.83
J7323 Hyaluronan or derivative, euflexxa, for intra-articular injection, per dose	41	11	$425.00	$143.12
99212 Established patient office or other outpatient visit with straightforward medical decision making, if using time, 10 minutes or more	39	37	$230.00	$44.00
73502 X-ray of hip, 2-3 views	35	32	$210.00	$39.90
99214 Established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more	33	29	$550.00	$105.91
20552 Injections of trigger points in 1 or 2 muscles	25	20	$330.00	$53.58
72100 X-ray of lower and sacral spine, 2-3 views	25	25	$180.00	$35.09
73110 X-ray of wrist, minimum of 3 views	24	14	$180.00	$33.63
73610 X-ray of ankle, minimum of 3 views	22	17	$174.55	$30.56
73130 X-ray of hand, minimum of 3 views	20	14	$160.00	$31.89
73721 Mri scan of leg joint without contrast	16	16	$1370.00	$169.41
77002 Fluoroscopic guidance for needle placement	15	15	$480.00	$90.93
73630 X-ray of foot, minimum of 3 views	14	12	$150.00	$25.87
72040 X-ray of upper spine, 2-3 views	13	12	$170.00	$33.37
73140 X-ray of finger, minimum of 2 views	13	11	$160.00	$30.67
A9579 Injection, gadolinium-based magnetic resonance contrast agent, not otherwise specified (nos), per ml	11	11	$20.00	$1.71

HCPCS Code & Description	Services	Patients	Submitted Charge	Medicare Allowed
99213 Established patient office or other outpatient visit, typically 15 minutes	519	271	$172.54	$71.33
20610 Aspiration and/or injection of fluid from large joint	324	178	$216.72	$61.07
J1040 Injection, methylprednisolone acetate, 80 mg	305	159	$40.00	$10.80
J1100 Injection, dexamethasone sodium phosphate, 1 mg	268	39	$22.00	$0.11
J1030 Injection, methylprednisolone acetate, 40 mg	223	126	$30.00	$5.63
99203 New patient office or other outpatient visit with low level of medical decision making, if using time, 30 minutes or more	144	144	$255.00	$108.17
73562 X-ray of knee, 3 views	139	109	$154.12	$40.94
99214 Established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more	128	96	$223.66	$104.11
J3301 Injection, triamcinolone acetonide, not otherwise specified, 10 mg	106	24	$15.00	$1.80
73030 X-ray of shoulder, minimum of 2 views	82	64	$143.99	$30.16
72100 X-ray of lower and sacral spine, 2-3 views	49	48	$126.73	$35.03
Q9965 Low osmolar contrast material, 100-199 mg/ml iodine concentration, per ml	48	12	$15.00	$0.62
73502 X-ray of hip, 2-3 views	41	36	$154.39	$40.71
73610 X-ray of ankle, minimum of 3 views	39	23	$126.18	$31.16
99212 Established patient office or other outpatient visit with straightforward medical decision making, if using time, 10 minutes or more	36	36	$99.11	$42.71
73110 X-ray of wrist, minimum of 3 views	29	13	$120.62	$34.48
20552 Injections of trigger points in 1 or 2 muscles	24	18	$144.50	$50.97
73630 X-ray of foot, minimum of 3 views	18	15	$131.72	$33.82
96372 Injection beneath the skin or into muscle for therapy, diagnosis, or prevention	14	13	$57.00	$25.51
73721 Mri scan of leg joint without contrast	12	12	$1183.25	$173.61
77002 Fluoroscopic guidance for needle placement	11	11	$207.27	$69.55
72040 X-ray of upper spine, 2-3 views	11	11	$150.91	$30.01

Medical Specialties & State Licenses

Orthopaedic Surgery Primary Specialty

NUCC Taxonomy Code: 207X00000X

State License GA 038740

An orthopaedic surgeon is trained in the preservation, investigation and restoration of the form and function of the extremities, spine and associated structures by medical, surgical and physical means. An orthopaedic surgeon is involved with the care of patients whose musculoskeletal problems include congenital deformities, trauma, infections, tumors, metabolic disturbances of the musculoskeletal system, deformities, injuries and degenerative diseases of the spine, hands, feet, knee, hip, shoulder and elbow in children and adults. An orthopaedic surgeon is also concerned with primary and secondary muscular problems and the effects of central or peripheral nervous system lesions of the musculoskeletal system.

Orthopaedic Surgery - Sports Medicine

NUCC Taxonomy Code: 207XX0005X

State License GA 038740

An orthopaedic surgeon trained in sports medicine provides appropriate care for all structures of the musculoskeletal system directly affected by participation in sporting activity. This specialist is proficient in areas including conditioning, training and fitness, athletic performance and the impact of dietary supplements, pharmaceuticals, and nutrition on performance and health, coordination of care within the team setting utilizing other health care professionals, field evaluation and management, soft tissue biomechanics and injury healing and repair. Knowledge and understanding of the principles and techniques of rehabilitation, athletic equipment and orthotic devices enables the specialist to prevent and manage athletic injuries.

Additional State Medicaid & Healthcare Payer Identifiers

Medicaid State Provider ID

00622905B (GA)

Hospital & Practice Group Affiliations

Piedmont Orthopedics, Llc

3672 Marathon Cir, Austell, GA 301066821

Phone: 7709443303

Practice Associates & Co-Workers

Healthcare professionals and specialists practicing at this location or sharing practice phone/fax

19 Associated Practitioners

Dr. Keith Lamberson , MD

Orthopaedic Surgery

NPI 1033112040

Doctor of Medicine (M.D.)

Morgan Kirk , PA-C

Physician Assistant

NPI 1144991084

Physician Assistant (Certified)

Dr. Sudhir Belagaje , MD

Orthopaedic Surgery

NPI 1225249519

Doctor of Medicine (M.D.)

Dr. Ryan Madden , DPT

Physical Therapist

NPI 1255765830

Doctor of Physical Therapy

Adam Harward , ATC

Specialist/Technologist - Athletic Trainer

NPI 1427420306

Certified Athletic Trainer

Dr. Andres Zorrilla , MD

Orthopaedic Surgery

NPI 1427477587

Doctor of Medicine (M.D.)

Career & Practice History Timeline

Chronological log of verified NPI updates, location relocations, credentials, and registry changes

6 Historical Events

✅

NPI Profile Active November 14, 2014

NPI status registered as active in NPPES database

📍

Updated Practice Location November 14, 2014

Registered at 3672 MARATHON CIR, SUITE 200, AUSTELL, GA 301066821 (Tel: 7709443303)

📍

Updated Business Mailing Address November 14, 2014

Registered at 900 CIRCLE 75 PKWY SE, SUITE 1700, ATLANTA, GA 303393035 (Tel: 7709536929)

👤

Provider Name / Credentials Updated November 14, 2014

Recorded as MARK DUFFIELD, DO

🎓

Medical Taxonomy / Specialty Registered (Primary Specialty) November 14, 2014

Orthopaedic Surgery (License #038740 in GA)

🟢

Initial NPI Registration & Enumeration May 23, 2005

First registered as active Individual Practitioner in NPPES Database.

Patient & Community Reviews

Verified patient ratings, medical care experiences, and facility photos

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NPI Administrative Meta

NPI Number: 1881697803

Entity Type:

Individual Provider Physician, Nurse Practitioner, or Solo Healthcare Professional (Type 1 NPI)

Enumeration Date: May 23, 2005

Last Update: November 14, 2014

Sole Proprietor: No

Update or Correct Profile

Mailing Address

900 Circle 75 Pkwy Se, Suite 1700

Atlanta, GA 303393035

Phone: 7709536929

Public Domain Record This profile contains public domain information published by CMS and NPPES under the Freedom of Information Act (FOIA).

⚠️ Medical Disclaimer

This directory listing is for informational purposes only and does not constitute medical advice, diagnosis, or physician endorsement. If you are experiencing a medical emergency, please call 911 immediately.