Active NPI 1275568446 Individual Practitioner Male Practitioner

Dr. Stephen M Kocaj , MD

Orthopaedic Surgery • Florham Park, NJ

✓ Accepts Medicare Assignment

Professional Overview & Biography Verified Profile Summary

Dr. Stephen Kocaj, MD is a certified Orthopaedic Surgery practicing in Florham Park, NJ. With approximately 26 years of clinical experience since graduating from Rutgers New Jersey Medical School in 2000, Dr. Kocaj delivers high-quality medical care to the local community at 140 PARK AVE.

Dr. Kocaj is affiliated with Summit Medical Group Pa and accepts Medicare assignment.

Frequently performed procedures and clinical services include injection, triamcinolone acetonide, not otherwise specified, 10 mg, aspiration and/or injection of fluid from large joint, established patient outpatient office visit. Full Medicare procedure pricing transparency rates and service volume details are listed on this profile.

Practice Location & Contact Primary Location

Practice Address

140 Park Ave

Florham Park, NJ 07932

Telephone 9734049800

Fax 9732671737

Associated Practice Facility / Clinic

🏢 Summit Medical Group Pa Facility NPI 1194387944

Medicare Profile & Education

Medical School

Rutgers New Jersey Medical School

Graduation Year

2000

Medicare Assignment

✓ Accepts Assignment

Telehealth Flag

In-Person Only

Specialty Benchmarks & Practice Insights

Comparative analytics for Orthopaedic Surgery in Florham Park, NJ

Senior Veteran Specialist (>20 Yrs)

Practitioner Clinical Experience

26 Yrs +6.5 yrs vs City Avg

City Avg: 19.5 Yrs

State Avg: 27.4 Yrs

Regional Practice Density

4 Specialists

Practicing in Florham Park, NJ (746 Statewide)

Telehealth Adoption Rate

50.0% Regional Adoption

In-Person Office Visits Only

Medicare Pricing Discount

53.4% Avg Savings

Under CMS Medicare Fee Schedule vs Standard Submitted Charges

Clinical Seniority & Experience Comparison

Dr. Kocaj (26 Years) 26 Yrs

Florham Park Specialty Average (19.5 Years) 19.5 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
J3301 Injection, triamcinolone acetonide, not otherwise specified, 10 mg	2,550	282	$4.00	$0.96
20610 Aspiration and/or injection of fluid from large joint	857	330	$366.51	$84.83
99214 Established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more	712	350	$274.00	$137.87
J7323 Hyaluronan or derivative, euflexxa, for intra-articular injection, per dose	397	71	$236.00	$114.61
73564 X-ray of knee, 4 or more views	261	189	$122.61	$52.83
99213 Established patient office or other outpatient visit, typically 15 minutes	97	85	$188.00	$97.54
99204 New patient office or other outpatient visit with moderate level of medical decision making, if using time, 45 minutes or more	93	93	$412.00	$182.34
73030 X-ray of shoulder, minimum of 2 views	80	68	$99.81	$39.52
J7324 Hyaluronan or derivative, orthovisc, for intra-articular injection, per dose	76	15	$243.00	$122.59
J7327 Hyaluronan or derivative, monovisc, for intra-articular injection, per dose	44	22	$1312.00	$677.48
73502 X-ray of hip, 2-3 views	14	13	$146.00	$54.02
99215 Established patient office or other outpatient visit with high level of medical decision making, if using time, 40 minutes or more	12	12	$366.00	$197.42
99203 New patient office or other outpatient visit with low level of medical decision making, if using time, 30 minutes or more	12	12	$274.00	$120.73

HCPCS Code & Description	Services	Patients	Submitted Charge	Medicare Allowed
20610 Aspiration and/or injection of fluid from large joint	865	321	$362.08	$86.61
J1040 Injection, methylprednisolone acetate, 80 mg	506	271	$24.00	$11.70
J7323 Hyaluronan or derivative, euflexxa, for intra-articular injection, per dose	493	94	$236.00	$122.92
99214 Established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more	481	275	$274.00	$142.75
99213 Established patient office or other outpatient visit, typically 15 minutes	252	195	$188.00	$100.30
73564 X-ray of knee, 4 or more views	227	166	$123.80	$55.18
J3301 Injection, triamcinolone acetonide, not otherwise specified, 10 mg	140	18	$4.00	$1.09
73030 X-ray of shoulder, minimum of 2 views	87	69	$98.31	$40.98
99204 New patient office or other outpatient visit with moderate level of medical decision making, if using time, 45 minutes or more	55	55	$412.00	$185.95
99203 New patient office or other outpatient visit with low level of medical decision making, if using time, 30 minutes or more	41	41	$274.00	$125.96
73565 X-ray of both knees while standing	31	31	$126.00	$47.50

HCPCS Code & Description	Services	Patients	Submitted Charge	Medicare Allowed
20610 Aspiration and/or injection of fluid from large joint	833	309	$354.92	$85.09
99214 Established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more	613	329	$274.00	$141.56
J1040 Injection, methylprednisolone acetate, 80 mg	460	269	$24.00	$10.75
J7323 Hyaluronan or derivative, euflexxa, for intra-articular injection, per dose	296	59	$249.21	$128.35
J7324 Hyaluronan or derivative, orthovisc, for intra-articular injection, per dose	254	50	$239.28	$141.68
73564 X-ray of knee, 4 or more views	251	189	$124.98	$54.31
99204 New patient office or other outpatient visit with moderate level of medical decision making, if using time, 45 minutes or more	96	96	$412.00	$182.51
73030 X-ray of shoulder, minimum of 2 views	69	59	$97.83	$41.25
99213 Established patient office or other outpatient visit, typically 15 minutes	55	39	$188.00	$101.88
73080 X-ray of elbow, minimum of 3 views	12	12	$111.00	$38.91

HCPCS Code & Description	Services	Patients	Submitted Charge	Medicare Allowed
20610 Aspiration and/or injection of fluid from large joint	680	304	$346.10	$81.93
99214 Established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more	547	324	$274.00	$143.67
J1040 Injection, methylprednisolone acetate, 80 mg	482	258	$24.00	$10.30
73564 X-ray of knee, 4 or more views	255	194	$125.74	$53.67
J7324 Hyaluronan or derivative, orthovisc, for intra-articular injection, per dose	248	56	$240.00	$130.38
J7323 Hyaluronan or derivative, euflexxa, for intra-articular injection, per dose	117	28	$270.00	$132.65
99204 New patient office or other outpatient visit with moderate level of medical decision making, if using time, 45 minutes or more	102	102	$412.00	$187.07
73030 X-ray of shoulder, minimum of 2 views	83	66	$101.77	$40.73
99213 Established patient office or other outpatient visit, typically 15 minutes	62	48	$188.00	$103.23
73565 X-ray of both knees while standing	15	15	$126.00	$42.69

HCPCS Code & Description	Services	Patients	Submitted Charge	Medicare Allowed
20610 Aspiration and/or injection of fluid from large joint	534	230	$342.42	$78.76
J1040 Injection, methylprednisolone acetate, 80 mg	360	191	$24.00	$11.43
99213 Established patient office or other outpatient visit, typically 15 minutes	250	158	$188.00	$83.45
99214 Established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more	240	192	$274.00	$120.98
73564 X-ray of knee, 4 or more views	169	140	$139.00	$50.37
J7323 Hyaluronan or derivative, euflexxa, for intra-articular injection, per dose	154	33	$270.00	$138.64
J7324 Hyaluronan or derivative, orthovisc, for intra-articular injection, per dose	138	35	$276.64	$133.58
99204 New patient office or other outpatient visit with moderate level of medical decision making, if using time, 45 minutes or more	65	65	$412.00	$181.40
73030 X-ray of shoulder, minimum of 2 views	64	57	$103.00	$38.66
73565 X-ray of both knees while standing	20	20	$126.00	$45.62

HCPCS Code & Description	Services	Patients	Submitted Charge	Medicare Allowed
20610 Aspiration and/or injection of fluid from large joint	396	187	$334.47	$72.97
J1040 Injection, methylprednisolone acetate, 80 mg	328	176	$24.00	$12.07
99213 Established patient office or other outpatient visit, typically 15 minutes	317	179	$167.33	$81.57
99214 Established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more	195	161	$241.85	$118.42
73564 X-ray of knee, 4 or more views	173	138	$139.00	$47.16
J7324 Hyaluronan or derivative, orthovisc, for intra-articular injection, per dose	118	26	$304.00	$214.62
99204 New patient office or other outpatient visit with moderate level of medical decision making, if using time, 45 minutes or more	94	94	$362.28	$180.30
73030 X-ray of shoulder, minimum of 2 views	72	53	$103.00	$34.53
73565 X-ray of both knees while standing	30	30	$126.00	$43.00

HCPCS Code & Description	Services	Patients	Submitted Charge	Medicare Allowed
20610 Aspiration and/or injection of fluid from large joint	399	211	$331.20	$72.14
J1040 Injection, methylprednisolone acetate, 80 mg	342	201	$21.97	$12.62
99213 Established patient office or other outpatient visit, typically 15 minutes	323	179	$146.00	$79.64
99214 Established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more	221	175	$217.00	$114.77
73564 X-ray of knee, 4 or more views	178	160	$137.29	$44.11
99204 New patient office or other outpatient visit with moderate level of medical decision making, if using time, 45 minutes or more	133	133	$330.00	$176.66
J7324 Hyaluronan or derivative, orthovisc, for intra-articular injection, per dose	111	27	$304.00	$141.13
73560 X-ray of knee, 1-2 views	69	33	$110.00	$35.83
73030 X-ray of shoulder, minimum of 2 views	64	55	$104.13	$31.29
73080 X-ray of elbow, minimum of 3 views	15	12	$111.00	$36.19

HCPCS Code & Description	Services	Patients	Submitted Charge	Medicare Allowed
20610 Aspiration and/or injection of fluid from large joint	348	160	$337.93	$73.85
99213 Established patient office or other outpatient visit, typically 15 minutes	253	154	$146.00	$78.99
J1040 Injection, methylprednisolone acetate, 80 mg	236	144	$15.00	$10.67
73564 X-ray of knee, 4 or more views	203	150	$123.00	$43.44
99214 Established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more	171	133	$217.00	$115.17
J7324 Hyaluronan or derivative, orthovisc, for intra-articular injection, per dose	139	35	$304.00	$146.76
99204 New patient office or other outpatient visit with moderate level of medical decision making, if using time, 45 minutes or more	108	108	$330.00	$177.50
73030 X-ray of shoulder, minimum of 2 views	67	55	$115.00	$33.19

Medical Specialties & State Licenses

CMS Verified: 2026-02-18

Orthopaedic Surgery Primary Specialty

NUCC Taxonomy Code: 207X00000X

State License NJ 25MA08265900

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 NJ 25MA08265900

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

396752394A (GA)

Hospital & Practice Group Affiliations

Summit Medical Group Pa

1 Diamond Hill Rd, Berkeley Heights, NJ 079222104

Phone: 9082734300

Practice Associates & Co-Workers

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

7 Associated Practitioners

Wesley Gingerella , PA-C

Physician Assistant - Surgical

NPI 1043816770

Physician Assistant (Certified)

Dr. Anand Patel , MD

Orthopaedic Surgery

NPI 1437577939

Doctor of Medicine (M.D.)

Olivia Dudley , PA-C

Physician Assistant - Surgical

NPI 1437756350

Physician Assistant (Certified)

Dr. Stephanie Adam , DO

Orthopaedic Surgery

NPI 1447459292

Doctor of Osteopathic Medicine (D.O.)

Dr. Genghis Niver , MD

Orthopaedic Surgery - Hand Surgery

NPI 1578747739

Doctor of Medicine (M.D.)

Dr. David Solomon , MD

Orthopaedic Surgery - Sports Medicine

NPI 1881080190

Doctor of Medicine (M.D.)

Career & Practice History Timeline

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

12 Historical Events

🎓

Medical Taxonomy / Specialty Registered (Primary Specialty) February 18, 2026

Orthopaedic Surgery (License #25MA08265900 in NJ)

✅

NPI Profile Active April 19, 2017

NPI status registered as active in NPPES database

📍

Updated Practice Location April 19, 2017

Registered at 140 PARK AVE, FLORHAM PARK, NJ 07932 (Tel: 9734049800)

📍

Updated Business Mailing Address April 19, 2017

Registered at 150 FLORAL AVE, NEW PROVIDENCE, NJ 079741557 (Tel: 9082734300)

👤

Provider Name / Credentials Updated April 19, 2017

Recorded as STEPHEN KOCAJ, MD

🎓

Medical Taxonomy / Specialty Registered (Primary Specialty) April 19, 2017

Orthopaedic Surgery (License #25MA08265900 in NJ)

✅

NPI Profile Active October 12, 2007

NPI status registered as active in NPPES database

📍

Updated Practice Location October 12, 2007

Registered at 111 MADISON AVE, SUITE 400, MORRISTOWN, NJ 079606097 (Tel: 9739716957)

📍

Updated Business Mailing Address October 12, 2007

Registered at 111 MADISON AVE, SUITE 400, MORRISTOWN, NJ 079606097 (Tel: 9739716957)

👤

Provider Name / Credentials Updated October 12, 2007

Recorded as STEPHEN KOCAJ, MD

🎓

Medical Taxonomy / Specialty Registered (Primary Specialty) October 12, 2007

Orthopaedic Surgery (License #25MA08265900 in NJ)

🟢

Initial NPI Registration & Enumeration July 12, 2006

First registered as active Individual Practitioner in NPPES Database.

Patient & Community Reviews

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NPI Administrative Meta

NPI Number: 1275568446

Entity Type:

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

Enumeration Date: July 12, 2006

Last Update: February 18, 2026

Sole Proprietor: No

Update or Correct Profile

Mailing Address

150 Floral Ave

New Providence, NJ 079741557

Phone: 9082734300

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.