Doctor profile · Federal record
Dr. Jan Slezak, MD
Interventional Pain Medicine Physician (CMS: Anesthesiology) · Barrington, NH
- NPI 1750357307
- Accepts Medicare
- MIPS 75.0 / 100 · 2023
- 40 yrs in practice
- Male
- Group practice
- No sanctions
Practice & contact
- Primary practice
-
944 Calef Hwy, Interventional Spine Medicine
Barrington, NH 038257244
(603) 664-0100
fax (603) 664-0101
Credentials & registration
- NPI registered
- February 2006 — 20 yrs on file
- Profile last updated
- January 10, 2018
- Year of graduation
- 1986 — 40 yrs since
- Specialty taxonomy
- 208VP0014X — NUCC code
- State license (1)
- New Hampshire #10063
- Medicaid
- NH #30010746
Federal sanctions & exclusions
No sanctions, exclusions or revocations on file
Checked against OIG LEIE on NPI 1750357307. Last verified May 11, 2026.Medicare procedures · 2023
Top services delivered
Total services
1,865
Distinct HCPCS
10
Medicare allowed
$170,421
| HCPCS | Description | Services | Patients | Avg allowed | |
|---|---|---|---|---|---|
99213 |
Established patient office or other outpatient visit, 20-29 minutes | 344 | 206 | $90 | |
80307 |
Testing for presence of drug, by chemistry analyzers | 280 | 129 | $61 | |
99214 |
Established patient office or other outpatient visit, 30-39 minutes | 150 | 119 | $127 | |
62323 |
Injection of substance into lower spine canal using imaging guidance | 125 | 86 | $97 | |
76942 |
Ultrasonic guidance for needle placement | 118 | 58 | $59 | |
64493 |
Injection of lower or sacral spine facet joint using imaging guidance, single level | 94 | 57 | $122 | |
64635 |
Destruction of lower or sacral spinal facet joint nerves using imaging guidance, single facet joint | 90 | 61 | $192 | |
64494 |
Injection of lower or sacral spine facet joint using imaging guidance, second level | 83 | 51 | $69 | |
64636 |
Destruction of lower or sacral spinal facet joint nerves using imaging guidance, each additional facet joint | 82 | 55 | $58 | |
20552 |
Injection of trigger points, 1-2 muscles | 72 | 41 | $53 |
In context: peer comparison
Among 2 peers in this city , average services per provider: 99. This provider delivers 19× the peer median.Open Payments
Industry payments received
All-time total
$844
Transactions
8
Manufacturers
7
| Payer (manufacturer) | Industry | Txns | Amount |
|---|---|---|---|
| Medtronic, Inc. | 2 | $210.82 | |
| Skeletal Dynamics Inc | 1 | $138.34 | |
| Stryker Corporation | 1 | $134.77 | |
| Pacira Pharmaceuticals Incorporated | 1 | $123.01 | |
| PAINTEQ LLC | 1 | $106.94 | |
| HERAEUS MEDICAL, LLC. | 1 | $106.74 | |
| Collegium Pharmaceutical, Inc. | 1 | $22.91 |
By nature of payment
Medicare Part D · 2023
Top prescriptions
Total claims
653
Patients
246
Total drug cost
$16,998
| Drug | Type | Claims | Patients | Total cost |
|---|---|---|---|---|
| Gabapentin | Generic | 136 | 47 | $1,941 |
| Celecoxib | Generic | 87 | 31 | $3,699 |
| Diclofenac Potassium | Generic | 68 | 23 | $2,918 |
| Oxycodone Hcl | Generic | 67 | 35 | $1,751 |
| Oxycodone-Acetaminophen (Oxycodone Hcl/Acetaminophen) | Brand | 60 | 32 | $1,894 |
| Hydrocodone-Acetaminophen (Hydrocodone/Acetaminophen) | Brand | 42 | 17 | $1,294 |
| Pregabalin | Generic | 29 | 0 | $789 |
| Tramadol Hcl | Generic | 29 | 17 | $161 |
| Methocarbamol | Generic | 25 | 0 | $454 |
| Cyclobenzaprine Hcl | Generic | 24 | 11 | $504 |
Hospital affiliations
Frequently asked questions
What is Dr. Jan Slezak's medical specialty?
Dr. Jan Slezak practices Interventional Pain Medicine Physician in Barrington, NH.
Where does Dr. Jan Slezak practice?
Dr. Jan Slezak practices at 944 Calef Hwy, Barrington, NH 038257244. Office phone: 6036640100.
What is Dr. Jan Slezak's NPI?
Dr. Jan Slezak's National Provider Identifier (NPI) is 1750357307, issued by NPPES.
Does Dr. Jan Slezak accept Medicare assignment?
Yes. Dr. Jan Slezak accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.
What procedures does Dr. Jan Slezak commonly perform?
Top Medicare-reported procedures in 2023: Established patient office or other outpatient visit (HCPCS 99213); Testing for presence of drug, by chemistry analyzers (HCPCS 80307); Established patient office or other outpatient visit (HCPCS 99214). Source: CMS Medicare Physician & Other Practitioners file.