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Edit this profileAt a glance
- 763 Larkfield Rd, 2Nd Floor, Commack, NY 11725
About Dr. Mermelstein
Laurence E. Mermelstein, M.D. practices orthopaedic surgery in Commack, NY. Laurence is also listed as specializing in orthopaedic surgery of the spine. According to Medicare claims data, Laurence cared for 875 Medicare patients across 1,152 services. The services billed most often include established patient office or other outpatient visit with low level od decision making, if using time, 20 minutes or more, established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more, and new patient office or other outpatient visit with a high level of medical decision making, if using time, 60 minutes or more. The provider's National Provider Identifier (NPI) is 1326062332.
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
- (631) 462-2225
- Email not available
Is this your home address or personal number? Hide it
Practice Locations
763 LARKFIELD RD 2ND FLOOR
Commack, NY 11725
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
Pain
Pediatric and tumor
- Slipped capital femoral epiphysis
Spine
- Cervical spondylosis
- Lumbar spondylosis
- Herniated disc
- Scoliosis
- Spinal stenosis
Most searched conditions
Elbow, hand, and wrist
- Cubital tunnel syndrome
- Golfer's elbow
- Tennis elbow
- Trigger finger
- Wrist fracture
Foot and ankle
Hip
Shoulder
- Broken collarbone
- Frozen shoulder
- Shoulder impingement
- Dislocated joint
Sports and soft tissue
Trauma and bone
Foot & Ankle
Procedures & services
Ankle surgery
Evaluation and nonsurgical
- Closed fracture treatment
- Joint injection or aspiration
- Orthopedic evaluation
- Cast placement and management
Foot & Ankle
- Ankle Ligament Surgery
- Hammertoe Surgery
Foot and ankle
- Ankle arthroscopy
- Ankle fusion
- Total ankle replacement
- Bunion surgery
Hand and upper extremity
- Wrist fracture fixation
- Cubital tunnel decompression
- Dupuytren contracture surgery
- Trigger finger release
Joint replacement
- Total hip replacement
- Total knee replacement
- Partial knee replacement
- Reverse shoulder replacement
- Revision joint replacement
- Shoulder replacement
Nerves & spine
Orthopedics
- ACL reconstruction consultation
- Carpal tunnel surgery consultation
- Hip replacement consultation
- Knee replacement consultation
- Torn rotator cuff consultation
Post-Op Care
Spine
- Anterior cervical discectomy and fusion
Spine & Orthopedics
- Bunion Surgery Consultation
- Foot and Ankle Surgery Consultation
- Shoulder Surgery Consultation
- Surgical Hardware Removal Consultation
- Trigger Finger Release Consultation
Trauma and fixation
- External fracture fixation
- Intramedullary nailing
- Repair of fracture nonunion
- Open reduction and internal fixation
Tumor and pediatric
- Bone or soft-tissue tumor resection
- Limb-sparing cancer surgery
- Pediatric corrective osteotomy
Most searched procedures
- Achilles tendon repair
- ACL reconstruction
- Carpal tunnel surgery
- Hip replacement
- Knee replacement
Arthroscopy
- Hip arthroscopy
- Rotator cuff repair
- Shoulder arthroscopy
Hand & Wrist
- De Quervain's Release
Injections & Non-Surgical
Injections & pain relief
- Cortisone Shot for Joint Pain
Knee
- Kneecap Stabilization Surgery
- Meniscus Surgery
Shoulder surgery
- Shoulder labrum repair
Trauma & Fractures
- Broken Hip Surgery
- Hardware Removal Surgery
Procedures Most Often Billed to Medicare
1,152 services · 875 patients · 17 distinct codes
| Procedure | Type | Code | Services | Compared with peers |
|---|---|---|---|---|
| Fusion of additional segment of spine | Procedure | 22614 |
46 | As often as other peers in Orthopaedic Surgery |
| Partial removal of spine bone with release of spinal cord and/or nerves, each additional segment | Procedure | 63048 |
33 | As often as other peers in Orthopaedic Surgery |
| Partial removal of spine bone with release of lower spinal cord and/or nerves, 1 segment | Procedure | 63047 |
23 | As often as other peers in Orthopaedic Surgery |
| Insertion of cage or mesh device to spine bone and disc space during spine fusion | Procedure | 22853 |
20 | Less often than most peers in Orthopaedic Surgery |
| Placement of stabilizing device to back, 3-6 spine bone segments | Procedure | 22842 |
17 | As often as other peers in Orthopaedic Surgery |
| Fusion of spine in lower back | Procedure | 22612 |
17 | As often as other peers in Orthopaedic Surgery |
| X-ray of lower and sacral spine, 2-3 views | Imaging | 72100 |
100 | As often as other peers in Orthopaedic Surgery |
| X-ray of entire middle and lower spine, 2-3 views | Imaging | 72082 |
60 | More often than most peers in Orthopaedic Surgery |
| X-ray of lower and sacral spine, minimum of 4 views | Imaging | 72110 |
54 | As often as other peers in Orthopaedic Surgery |
| Imaging guidance for procedure, 60 minutes or less | Imaging | 76000 |
37 | As often as other peers in Orthopaedic 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 orthopaedic surgeons at this location 5
Same specialty, same street address — most likely the same department or group.
Related specialists at this location 7
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 — 28 related providers in 4 groups
Other orthopaedic surgeons in Commack 4
Same specialty, same city.
Trained at Other 8
Other providers in the same specialty who trained at the same institution.
Class of 1990 at Other 8
Providers who graduated from the same medical school in the same year.
Also performs Fusion of additional segment of spine 8
Providers in NY who bill this service to Medicare most often.
Common questions
What does Laurence E. Mermelstein specialize in?
Laurence E. Mermelstein is an orthopaedic surgeon in Commack, NY. That is the designation recorded for this NPI in the federal registry, where it is listed as “Orthopaedic Surgery”.
NPI registry
Where is Laurence E. Mermelstein located?
Laurence E. Mermelstein is listed at 763 Larkfield Rd 2Nd Floor, Commack, NY 11725. Addresses come from the NPI registry and can lag a move, so confirm before travelling.
NPI registry
What is Laurence E. Mermelstein's phone number?
The number on file is (631) 462-2225. Contact the office directly to confirm availability and scheduling.
NPI registry
What is Laurence E. Mermelstein's NPI number?
Laurence E. Mermelstein's National Provider Identifier is 1326062332. 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
Where did Laurence E. Mermelstein train?
Laurence E. Mermelstein attended Other, graduating in 1990. This comes from the CMS National Downloadable File.
CMS public data
How long has Laurence E. Mermelstein been practicing?
Laurence E. Mermelstein has 36 years experience. Calculated from a graduation year of 1990, reported in the CMS National Downloadable File.
CMS public data
What does Laurence E. Mermelstein do most often?
According to Medicare billing data, Laurence E. Mermelstein performs procedures including fusion of additional segment of spine, partial removal of spine bone with release of spinal cord and/or nerves, each additional segment and partial removal of spine bone with release of lower spinal cord and/or nerves, 1 segment; reads or performs imaging such as x-ray of lower and sacral spine, 2-3 views and x-ray of entire middle and lower spine, 2-3 views, alongside routine visits and testing. This reflects Medicare patients only and is billing volume, not a measure of quality.
Medicare claims
Has Laurence E. Mermelstein confirmed this information?
Not yet. This profile is built from public federal data and has not been confirmed by Laurence E. Mermelstein. If this is you, claiming it is free.
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