Physician Profile
Based in Barrington, NH, Jan Slezak, MD is listed in the NPI registry under interventional pain medicine. Medicare claims data shows Jan provided 1,903 services to 862 patients. The services billed most often include injection, methylprednisolone acetate, 1 mg, testing for presence of drug, by chemistry analyzers, and injection of substance into lower spine canal using imaging guidance.
Summarised automatically from public NPI registry and CMS Medicare data. Not written or reviewed by this provider. Claim this profile to replace it.
License numbers are what the provider reported to NPPES when the NPI was issued or updated. NPPES does not verify licensure; confirm current standing with the state licensing board.
Exactly as CMS reports it (National Downloadable File, Opt-Out Affidavits, Order & Referring). Not an insurance directory; confirm coverage with the office.
944 CALEF HWY INTERVENTIONAL SPINE MEDICINE
Barrington, NH 03825
Within Interventional Pain Medicine generally. Availability varies by clinician, training and location — this profile has not been claimed, so nothing here is a personal claim by the provider.
Most searched conditions
Abdominal pain
Chest and ribs
Complex pain
Elbow and arm
Foot and ankle
Head & face
Head and neck
Joints
Knee and leg
Muscle pain
Muscles
Nerve pain
Pelvic and groin
Shoulder and arm
Spine
Spine & nerve
Spine & pelvis
Surgical pain
Most searched procedures
Ablation
Diagnostics
Head & face
Implants
Infusion therapy
Injections
Muscle procedures
Nerve ablation
Nerve blocks
Neuromodulation
Regenerative
Regenerative medicine
Spine procedures
Sympathetic blocks
Targeted drug delivery
1,903 services · 862 patients · 20 distinct codes
| Procedure | Type | Code | Services | Compared with peers |
|---|---|---|---|---|
| Injection of substance into lower spine canal using imaging guidance | Procedure | 62323 |
133 | More often than most peers in Interventional Pain Medicine |
| Destruction of lower or sacral spinal facet joint nerves using imaging guidance, single facet joint | Procedure | 64635 |
86 | More often than most peers in Interventional Pain Medicine |
| Injection of lower or sacral spine facet joint using imaging guidance, single level | Procedure | 64493 |
81 | More often than most peers in Interventional Pain Medicine |
| Destruction of lower or sacral spinal facet joint nerves using imaging guidance, each additional facet joint | Procedure | 64636 |
80 | More often than most peers in Interventional Pain Medicine |
| Injection of lower or sacral spine facet joint using imaging guidance, second level | Procedure | 64494 |
79 | More often than most peers in Interventional Pain Medicine |
| Injection of trigger points, 1-2 muscles | Procedure | 20552 |
53 | More often than most peers in Interventional Pain Medicine |
| Aspiration and/or injection of fluid large joint using ultrasound guidance | Procedure | 20611 |
31 | As often as other peers in Interventional Pain Medicine |
| Injection of trigger points, 3 or more muscles | Procedure | 20553 |
26 | As often as other peers in Interventional Pain Medicine |
| Injection of anesthetic or steroid into joint between lower spine and hip bone using imaging guidance | Procedure | 27096 |
16 | |
| Destruction of upper or middle spinal facet joint nerves using imaging guidance, single facet joint | Procedure | 64633 |
15 |
Source: CMS Medicare public data. Shows how often procedures were billed — not quality of care or patient satisfaction.
Dr. Slezak is an interventional pain medicine in Barrington, NH. That is the designation recorded for this NPI in the federal registry.
NPI registry
Dr. Slezak is listed at 944 Calef Hwy Interventional Spine Medicine, Barrington, NH 03825. Addresses come from the NPI registry and can lag a move, so confirm before travelling.
NPI registry
The number on file is (603) 664-0100. Guide.md cannot book appointments or pass on messages — please call the office directly.
NPI registry
Dr. Slezak's National Provider Identifier is 1750357307. 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
Dr. Slezak attended Other, graduating in 1986. This comes from the CMS National Downloadable File.
CMS public data
Dr. Slezak has 40 years experience. Calculated from a graduation year of 1986, reported in the CMS National Downloadable File.
CMS public data
According to Medicare billing data, Dr. Slezak performs procedures including injection of substance into lower spine canal using imaging guidance, destruction of lower or sacral spinal facet joint nerves using imaging guidance, single facet joint and injection of lower or sacral spine facet joint using imaging guidance, single level; reads or performs imaging such as ultrasonic guidance for needle placement; provides treatments such as use of a drug to induce depression of consciousness by physician performing a procedure , initial 15 minutes, alongside routine visits and testing. This reflects Medicare patients only and is billing volume, not a measure of quality.
Medicare claims
Not yet. This profile is built from public federal data and has not been confirmed by Dr. Slezak. If this is you, claiming it is free.
Guide.md
Provider data sourced from the NPPES NPI Registry and CMS public datasets. Information is provided for reference and is not medical advice.