STEPHEN M KOCAJ MD
NPI 1275568446
Orthopaedic Surgery in Florham Park, NJ

Active since July 12, 2006PECOS EnrolledAccepts Medicare Assignment
140 PARK AVE, FLORHAM PARK, NJ 07932(973) 404-9800(973) 267-1737 Get Directions Write a Review

NPPES record last updated: February 18, 2026. Verified against the NPPES registry weekly; last sync: August 16, 2026.

About Stephen M Kocaj Md NPPES

Official registry information on file with the National Plan and Provider Enumeration System.

STEPHEN M KOCAJ MD (NPI 1275568446) is an individual orthopaedic surgery provider in Florham Park, New Jersey, licensed in New Jersey (25MA08265900) and active in the NPI registry since July 2006. He is enrolled in Medicare PECOS, is affiliated with St Joseph's University Medical Center Inc, and is a graduate of Rutgers New Jersey Medical School (2000).

NPPES Registry Identity

NPI1275568446
Entity TypeIndividualMale
Primary Taxonomy207X00000X
Provider Legal NameSTEPHEN M KOCAJCredential: MD
Location Address140 PARK AVEFlorham Park, NJ 07932
Mailing Address150 Floral AveNew Providence, NJ 07974-1557 · (908) 273-4300
Fax(973) 267-1737
Sole ProprietorNo
Medical School CMSRutgers New Jersey Medical SchoolGraduated 2000
Enumeration DateJuly 12, 2006
Last NPPES UpdateFebruary 18, 2026
NPPES CertifiedFebruary 18, 2026
NPI 1275568446 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses 2

Primary SpecialtyOrthopaedic SurgeryAllopathic & Osteopathic Physicians
Taxonomy Code207X00000X
License Licensed in NJ · 25MA08265900
Definition
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.
Also ListedOrthopaedic Surgery · Sports MedicineTaxonomy 207XX0005X · License 25MA08265900 (NJ)
140 PARK AVE, Florham Park, NJ 07932

Other Identifiers 1

Medicaid396752394AGA

Medicare Participation & PECOS CMS

Medicare enrollment, assignment, and ordering and referring status from the CMS PECOS system.

Medicare Enrollment Status

Enrolled in Medicare and accepts Medicare assignment

Stephen M Kocaj Md is registered in PECOS and agrees to accept the Medicare-approved amount as full payment. Medicare patients are not billed beyond the standard deductible and coinsurance.

PECOS PAC ID2769414853
PECOS Enrollment IDI20071029000154
Eligible to Order & Refer Part B Labs & Imaging Durable Medical Equipment Home Health Agency Power Mobility DevicesPer the CMS Ordering and Referring file. Eligibility means Medicare pays claims that this provider orders or refers for these categories.

Areas of Expertise CMS Part B claims 13

Services this provider delivered to Medicare fee-for-service patients, from the CMS Medicare utilization data. Higher counts generally reflect more experience with a service; care delivered outside Medicare is not included.

Injection, triamcinolone acetonide, not otherwise specified, 10 mg J3301
Triamcinolone acetonide is a medication used to reduce inflammation in the body. It's given as a 10 mg injection for conditions like allergies, arthritis, or skin problems. The injection helps to decrease swelling, redness, and itching.
2,550 services282 patients
Aspiration and/or injection of fluid from large joint 20610
This procedure involves using a needle to remove (aspiration) or introduce (injection) fluid into a large joint like the knee or hip. It can help diagnose conditions, relieve discomfort, or deliver medication directly to the joint.
857 services330 patients
Established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more 99214
This is a routine check-up for patients who have previously visited our clinic. It involves a comprehensive review of your health and any ongoing treatments. The consultation lasts between 30-39 minutes, allowing enough time to discuss any concerns.
712 services350 patients
Hyaluronan or derivative, euflexxa, for intra-articular injection, per dose J7323
Hyaluronan or Euflexxa is a substance similar to a natural substance in your joints. It's injected into the joint space to treat pain from osteoarthritis, especially in the knee. It helps to lubricate the joint, reducing pain and improving mobility.
397 services71 patients
X-ray of knee, 4 or more views 73564
An X-ray of the knee, 4 or more views, is a non-invasive imaging test. It involves capturing multiple images of your knee from different angles. This helps in diagnosing conditions such as fractures, arthritis, or infections. The procedure is quick and painless.
261 services189 patients
Established patient office or other outpatient visit with low level od decision making, if using time, 20 minutes or more 99213
This is a routine visit for patients who have already been seen by the healthcare provider. During this approximately 20-29 minute appointment, your health status will be evaluated and any necessary treatments or tests will be discussed. It's a chance to address any health concerns you may have.
97 services85 patients

Hospital Affiliations CMS Care Compare

Hospitals where this provider delivers care, identified from recent Medicare claims and place-of-service records.

St Joseph's University Medical Center Inc

Acute Care Hospitals · Paterson, NJ
2/5 CMS rating
OwnershipVoluntary non-profit - Church
CMS Certification Number310019
Location703 Main StPaterson, NJ 07503 · Passaic County
Birthing friendly

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 07932 ZIP code area, from fee-for-service claims. These are area statistics, not this provider’s prices; actual charges vary by service and coverage.

New Patient
$98.09 typical visit price
range $63.84 – $190.92
Typical copayment $24.52 (range $15.96 – $47.73)
Most-billed visit code 99203
Established Patient
$79.09 typical visit price
range $20.97 – $155.92
Typical copayment $19.77 (range $5.24 – $38.98)
Most-billed visit code 99213
Amounts reflect what Medicare beneficiaries in this ZIP area are typically charged for office visits. Patients with other coverage should check their individual plans.

Other Providers at the Same Location NPPES 20

Providers registered at the same practice address, or within the immediate area, according to the NPPES registry.

Audiologist
140 PARK AVE
FLORHAM PARK, NJ 07932
Audiologist
140 PARK AVE
FLORHAM PARK, NJ 07932
Durable Medical Equipment & Medical Supplies
140 PARK AVE
FLORHAM PARK, NJ 07932
Internal Medicine (Pulmonary Disease)
140 PARK AVE
FLORHAM PARK, NJ 07932
Physical Therapist
140 PARK AVE
FLORHAM PARK, NJ 07932
Physician Assistant (Surgical)
140 PARK AVE
FLORHAM PARK, NJ 07932
Physical Therapist
140 PARK AVE
FLORHAM PARK, NJ 07932
Physical Therapist
140 PARK AVE
FLORHAM PARK, NJ 07932

Frequently Asked Questions NPPES & CMS

Common questions about this NPI record, answered from the official NPPES registry and CMS datasets shown on this page.

What is Stephen Kocaj's NPI number?

The NPI number for Stephen Kocaj is 1275568446. It was assigned to this individual provider in the NPPES registry on July 12, 2006.

Where is Stephen Kocaj located?

Stephen Kocaj practices at 140 Park Ave, Florham Park, NJ 07932. The listed phone number is (973) 404-9800.

What is Stephen Kocaj's specialty?

The primary specialty registered for this NPI is Orthopaedic Surgery with taxonomy code 207X00000X.

Is Stephen Kocaj enrolled in Medicare?

Yes. Stephen Kocaj is registered in the Medicare PECOS system and accepts Medicare assignment, which means accepting the Medicare-approved amount as payment in full for covered services.

Is Stephen Kocaj affiliated with any hospitals?

According to CMS data, Stephen Kocaj is affiliated with St Joseph's University Medical Center Inc.

When was this NPI record last updated?

The NPPES record for Stephen Kocaj was last updated on February 18, 2026. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 6 months ago. If this record has changed at CMS more recently, you can request an on-demand re-check against the live CMS registry, directly from this page.