Active NPI 1497764435 Individual Practitioner Male Practitioner

Dr. Mark R Mcmahon , MD

Orthopaedic Surgery • Fairfax, VA

Professional Overview & Biography Verified Profile Summary

Dr. Mark Mcmahon, MD is a registered healthcare professional specializing in Orthopaedic Surgery in Fairfax, VA. Practice services are available at 3620 JOSEPH SIEWICK DR under active NPI credentials.

Frequently performed procedures and clinical services include established patient outpatient office visit, x-ray of knee, 3 views, aspiration and/or injection of fluid from large joint. Full Medicare procedure pricing transparency rates and service volume details are listed on this profile.

Practice Location & Contact Primary Location

Practice Address

3620 Joseph Siewick Dr
Suite 100

Fairfax, VA 220331757

Telephone 7038105223

Fax 7038105403

Associated Practice Facility / Clinic

🏢 Malgorzata Gradzka, M.d., P.c. Facility NPI 1083795496

Specialty Benchmarks & Practice Insights

Comparative analytics for Orthopaedic Surgery in Fairfax, VA

Active Practitioner

Practitioner Clinical Experience

Active

City Avg: 26.4 Yrs

State Avg: 26.3 Yrs

Regional Practice Density

22 Specialists

Practicing in Fairfax, VA (618 Statewide)

Telehealth Adoption Rate

9.1% Regional Adoption

In-Person Office Visits Only

Medicare Pricing Discount

72.5% Avg Savings

Under CMS Medicare Fee Schedule vs Standard Submitted Charges

Performed Procedures & Service Volume

Top Medicare Part B procedures performed by this practitioner

CMS Official Data (2021)

Reporting Year:

HCPCS Code & Description	Services	Patients	Submitted Charge	Medicare Allowed
99213 Established patient office or other outpatient visit, typically 15 minutes	342	250	$147.00	$106.61
99214 Established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more	313	279	$217.00	$150.02
73562 X-ray of knee, 3 views	302	205	$125.00	$46.79
20610 Aspiration and/or injection of fluid from large joint	254	165	$257.98	$87.16
J3301 Injection, triamcinolone acetonide, not otherwise specified, 10 mg	222	45	$2.61	$1.21
J1030 Injection, methylprednisolone acetate, 40 mg	199	136	$10.00	$5.68
99203 New patient office or other outpatient visit with low level of medical decision making, if using time, 30 minutes or more	141	141	$217.00	$130.66
73502 X-ray of hip, 2-3 views	130	109	$161.48	$53.60
73501 X-ray of hip with pelvis, 1 view	109	68	$107.26	$35.12
J7324 Hyaluronan or derivative, orthovisc, for intra-articular injection, per dose	87	15	$232.83	$133.77
27130 Replacement of thigh bone and hip joint with prosthesis	39	37	$6532.00	$1526.55
73610 X-ray of ankle, minimum of 3 views	37	26	$116.57	$42.90
99204 New patient office or other outpatient visit with moderate level of medical decision making, if using time, 45 minutes or more	36	36	$331.00	$194.99
73030 X-ray of shoulder, minimum of 2 views	36	30	$137.44	$39.27
73630 X-ray of foot, minimum of 3 views	23	15	$107.00	$40.01
27447 Replacement of knee joint, both sides of knee	20	19	$6525.00	$1524.37
73110 X-ray of wrist, minimum of 3 views	20	14	$155.90	$46.60
72100 X-ray of lower and sacral spine, 2-3 views	15	13	$140.87	$45.72
99212 Established patient office or other outpatient visit with straightforward medical decision making, if using time, 10 minutes or more	13	12	$88.92	$66.30
73522 X-ray of both hips, 3-4 views	11	11	$170.00	$63.02

HCPCS Code & Description	Services	Patients	Submitted Charge	Medicare Allowed
99213 Established patient office or other outpatient visit, typically 15 minutes	329	235	$141.74	$86.77
99214 Established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more	289	249	$216.79	$123.92
J1030 Injection, methylprednisolone acetate, 40 mg	266	173	$10.00	$6.02
20610 Aspiration and/or injection of fluid from large joint	246	163	$251.58	$83.30
73562 X-ray of knee, 3 views	245	173	$125.00	$44.04
73502 X-ray of hip, 2-3 views	160	126	$161.00	$48.76
99203 New patient office or other outpatient visit with low level of medical decision making, if using time, 30 minutes or more	133	133	$212.33	$123.74
J7324 Hyaluronan or derivative, orthovisc, for intra-articular injection, per dose	58	12	$221.00	$134.33
73501 X-ray of hip with pelvis, 1 view	49	40	$105.00	$33.78
73030 X-ray of shoulder, minimum of 2 views	45	38	$137.00	$36.59
27130 Replacement of thigh bone and hip joint with prosthesis	39	37	$6532.00	$1592.75
73610 X-ray of ankle, minimum of 3 views	33	21	$116.00	$38.56
73110 X-ray of wrist, minimum of 3 views	25	14	$154.00	$40.15
27447 Replacement of knee joint, both sides of knee	24	23	$6525.00	$1574.81
73130 X-ray of hand, minimum of 3 views	16	11	$111.00	$37.37

HCPCS Code & Description	Services	Patients	Submitted Charge	Medicare Allowed
99214 Established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more	392	326	$206.59	$122.66
99213 Established patient office or other outpatient visit, typically 15 minutes	339	234	$133.69	$84.88
73562 X-ray of knee, 3 views	299	206	$115.27	$41.01
20610 Aspiration and/or injection of fluid from large joint	291	188	$304.18	$76.96
J1030 Injection, methylprednisolone acetate, 40 mg	263	181	$9.66	$6.25
99203 New patient office or other outpatient visit with low level of medical decision making, if using time, 30 minutes or more	193	193	$213.49	$122.78
73502 X-ray of hip, 2-3 views	162	135	$146.67	$46.09
73501 X-ray of hip with pelvis, 1 view	106	71	$105.53	$33.51
J7324 Hyaluronan or derivative, orthovisc, for intra-articular injection, per dose	101	18	$264.13	$208.51
73030 X-ray of shoulder, minimum of 2 views	40	34	$103.95	$32.35
27130 Replacement of thigh bone and hip joint with prosthesis	38	38	$6794.74	$1557.13
73610 X-ray of ankle, minimum of 3 views	26	19	$107.69	$36.35
27447 Replacement of knee joint, both sides of knee	19	17	$6924.47	$1579.50
72100 X-ray of lower and sacral spine, 2-3 views	17	14	$111.35	$29.00
73630 X-ray of foot, minimum of 3 views	16	11	$100.50	$31.15
73521 X-ray of both hips, 2 views	16	13	$134.81	$41.75

HCPCS Code & Description	Services	Patients	Submitted Charge	Medicare Allowed
99213 Established patient office or other outpatient visit, typically 15 minutes	425	290	$118.00	$81.70
73562 X-ray of knee, 3 views	323	220	$95.00	$38.87
99214 Established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more	313	280	$185.00	$120.33
20610 Aspiration and/or injection of fluid from large joint	280	185	$379.50	$76.50
J1030 Injection, methylprednisolone acetate, 40 mg	273	179	$9.00	$6.66
73501 X-ray of hip with pelvis, 1 view	201	150	$106.00	$32.01
99203 New patient office or other outpatient visit with low level of medical decision making, if using time, 30 minutes or more	183	183	$216.00	$122.23
J7324 Hyaluronan or derivative, orthovisc, for intra-articular injection, per dose	74	17	$320.00	$141.36
73030 X-ray of shoulder, minimum of 2 views	32	31	$90.00	$32.13
27130 Replacement of thigh bone and hip joint with prosthesis	32	32	$7300.00	$1562.08
73630 X-ray of foot, minimum of 3 views	30	22	$95.00	$29.88
73610 X-ray of ankle, minimum of 3 views	28	20	$95.00	$32.07
27447 Replacement of knee joint, both sides of knee	27	25	$7790.00	$1518.08
73521 X-ray of both hips, 2 views	23	23	$141.00	$41.60
72100 X-ray of lower and sacral spine, 2-3 views	18	18	$100.00	$30.29

HCPCS Code & Description	Services	Patients	Submitted Charge	Medicare Allowed
99213 Established patient office or other outpatient visit, typically 15 minutes	555	369	$118.00	$80.67
20610 Aspiration and/or injection of fluid from large joint	417	232	$364.13	$68.79
73562 X-ray of knee, 3 views	346	238	$95.00	$41.07
J1030 Injection, methylprednisolone acetate, 40 mg	342	218	$9.00	$5.62
99214 Established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more	259	247	$185.00	$118.75
73502 X-ray of hip, 2-3 views	216	158	$146.00	$47.42
99203 New patient office or other outpatient visit with low level of medical decision making, if using time, 30 minutes or more	181	181	$216.00	$121.45
J7324 Hyaluronan or derivative, orthovisc, for intra-articular injection, per dose	115	21	$320.00	$147.76
97110 Therapy procedure using exercise to develop strength, endurance, range of motion, and flexibility, each 15 minutes	97	19	$90.00	$27.36
97140 Therapy procedure using manual technique, each 15 minutes	59	12	$90.00	$26.99
73030 X-ray of shoulder, minimum of 2 views	44	35	$90.00	$31.37
27130 Replacement of thigh bone and hip joint with prosthesis	35	34	$7508.57	$1542.28
73501 X-ray of hip with pelvis, 1 view	32	30	$106.00	$31.65
27447 Replacement of knee joint, both sides of knee	31	31	$7790.00	$1558.05
73521 X-ray of both hips, 2 views	24	24	$141.00	$45.95
73630 X-ray of foot, minimum of 3 views	23	14	$95.00	$28.24
73610 X-ray of ankle, minimum of 3 views	22	18	$95.00	$35.24
72100 X-ray of lower and sacral spine, 2-3 views	18	18	$100.00	$34.81
99212 Established patient office or other outpatient visit with straightforward medical decision making, if using time, 10 minutes or more	12	12	$87.00	$49.97
72040 X-ray of upper spine, 2-3 views	11	11	$85.00	$25.98

Medical Specialties & State Licenses

CMS Verified: 2020-10-28

Orthopaedic Surgery Primary Specialty

NUCC Taxonomy Code: 207X00000X

State License VA 0101049426

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.

Additional State Medicaid & Healthcare Payer Identifiers

Medicaid State Provider ID

6409881 (VA)

Practice Associates & Co-Workers

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

9 Associated Practitioners

Dr. Michael Fox , MD

Orthopaedic Surgery - Sports Medicine

NPI 1063972446

Doctor of Medicine (M.D.)

Patrick Matheny , PA-C

Physician Assistant - Medical

NPI 1073534814

Physician Assistant (Certified)

Dr. Keith Lawhorn , MD

Orthopaedic Surgery

NPI 1083614218

Doctor of Medicine (M.D.)

Dr. Elshaday Belay , MD

Orthopaedic Surgery

NPI 1528593837

Doctor of Medicine (M.D.)

Dr. David Novak , MD

Orthopaedic Surgery

NPI 1568483394

Doctor of Medicine (M.D.)

Jamilyn Fano , PA-C

Physician Assistant

NPI 1699921460

Physician Assistant (Certified)

Career & Practice History Timeline

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

6 Historical Events

✅

NPI Profile Active June 29, 2015

NPI status registered as active in NPPES database

📍

Updated Practice Location June 29, 2015

Registered at 3620 JOSEPH SIEWICK DR, SUITE 100, FAIRFAX, VA 220331757 (Tel: 7038105223)

📍

Updated Business Mailing Address June 29, 2015

Registered at PO BOX 75420, BALTIMORE, MD 212755420 (Tel: 7033836469)

👤

Provider Name / Credentials Updated June 29, 2015

Recorded as MARK MCMAHON, MD

🎓

Medical Taxonomy / Specialty Registered (Primary Specialty) June 29, 2015

Orthopaedic Surgery (License #0101049426 in VA)

🟢

Initial NPI Registration & Enumeration August 07, 2006

First registered as active Individual Practitioner in NPPES Database.

Patient & Community Reviews

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NPI Administrative Meta

NPI Number: 1497764435

Entity Type:

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

Enumeration Date: August 07, 2006

Last Update: October 28, 2020

Sole Proprietor: No

Update or Correct Profile

Mailing Address

Po Box 75420

Baltimore, MD 212755420

Phone: 7033836469

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.