Doctor profile · Federal record

Dr. John Gashkoff, M.D.

Interventional Pain Medicine Physician (CMS: Anesthesiology) · Anesthesiology Physician · Naperville, IL

  • NPI 1356309694
  • Accepts Medicare
  • 36 yrs in practice
  • Male
  • Group practice
  • No sanctions

Practice & contact

NPPES Updated May 11, 2026
Primary practice
120 Spalding Dr, Ste 400
Naperville, IL 605406508
(630) 967-6000
Mailing address
Po Box 713260
Chicago, IL 606771260

Credentials & registration

NPPES · NUCC
NPI registered
May 2006 — 20 yrs on file
Profile last updated
August 8, 2023
Year of graduation
1990 — 36 yrs since
Specialty taxonomy
208VP0014X — NUCC code
State license (1)
Illinois #036087991

Federal sanctions & exclusions

OIG LEIE Updated May 11, 2026

No sanctions, exclusions or revocations on file

Checked against OIG LEIE on NPI 1356309694. Last verified May 11, 2026.

Medicare procedures · 2023

Top services delivered

CMS Provider Utilization
Total services
2,365
Distinct HCPCS
10
Medicare allowed
$174,677
HCPCS Description Services Patients Avg allowed
J3301 Injection, triamcinolone acetonide, not otherwise specified, 10 mg 632 109 $1
J1100 Injection, dexamethasone sodium phosphate, 1 mg 350 18 $0
99214 Established patient office or other outpatient visit, 30-39 minutes 340 214 $132
99213 Established patient office or other outpatient visit, 20-29 minutes 222 172 $93
62323 Injection of substance into lower spine canal using imaging guidance 209 145 $102
99204 New patient office or other outpatient visit, 45-59 minutes 130 130 $172
62323 Injection of substance into lower spine canal using imaging guidance 75 56 $271
64483 Injection of anesthetic and/or steroid drug into sacral spine nerve root using imaging guidance, single level 50 46 $123
62321 Injection of substance into middle or upper spine canal using imaging guidance 44 34 $111
99152 Use of a drug to induce depression of consciousness by physician performing a procedure (5 years or older), initial 15 minutes 42 38 $13

In context: peer comparison

Among 2 peers in Naperville Interventional Pain Medicine Physician, average services per provider: 113. This provider delivers 21× the peer median.

Open Payments

Industry payments received

CMS Open Payments
All-time total
$1,489
Transactions
35
Manufacturers
14
Payer (manufacturer) Industry Txns Amount
Boston Scientific Corporation 7 $361.87
Medtronic, INC. 3 $233.70
Abbott Laboratories 6 $211.80
Saluda Medical Americas, INC. 5 $196.29
Globus Medical, INC. 1 $160.00
Nevro Corp. 2 $66.78
Biotronik Nro, INC. 2 $66.16
Spinal Simplicity, LLC 3 $52.51
Si-Bone, INC. 1 $43.17
Averitas Pharma INC. 1 $38.76
Fisher & Paykel Healthcare INC 1 $25.11
Amgen INC. 1 $15.40
Curonix LLC 1 $13.56
Spr Therapeutics, INC 1 $3.93

By nature of payment

Food and Beverage
$1,489

Medicare Part D · 2023

Top prescriptions

CMS Part D Prescriber
Total claims
799
Patients
250
Total drug cost
$17,382
Drug Type Claims Patients Total cost
Hydrocodone-Acetaminophen (Hydrocodone/Acetaminophen) Brand 230 65 $5,430
Gabapentin Generic 134 52 $2,894
Tramadol Hcl Generic 103 42 $453
Pregabalin Generic 58 16 $3,327
Oxycodone-Acetaminophen (Oxycodone Hcl/Acetaminophen) Brand 48 15 $1,214
Methylprednisolone Generic 38 35 $393
Morphine Sulfate ER (Morphine Sulfate) Brand 37 0 $1,341
Tizanidine Hcl Generic 29 0 $403
Cyclobenzaprine Hcl Generic 27 12 $188
Acetaminophen-Codeine (Acetaminophen With Codeine) Brand 23 13 $161

Frequently asked questions

Auto-generated from federal data
What is Dr. John Gashkoff's medical specialty?
Dr. John Gashkoff practices Interventional Pain Medicine Physician in Naperville, IL.
Where does Dr. John Gashkoff practice?
Dr. John Gashkoff practices at 120 Spalding Dr, Naperville, IL 605406508. Office phone: 6309676000.
What is Dr. John Gashkoff's NPI?
Dr. John Gashkoff's National Provider Identifier (NPI) is 1356309694, issued by NPPES.
Does Dr. John Gashkoff accept Medicare assignment?
Yes. Dr. John Gashkoff accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.
What procedures does Dr. John Gashkoff commonly perform?
Top Medicare-reported procedures in 2023: Injection, triamcinolone acetonide, not otherwise specified, 10 mg (HCPCS J3301); Injection, dexamethasone sodium phosphate, 1 mg (HCPCS J1100); Established patient office or other outpatient visit (HCPCS 99214). Source: CMS Medicare Physician & Other Practitioners file.