John Gashkoff, M.D.
NPI 1356309694 · Interventional Pain Medicine Physician · Naperville, IL
Enrolled with Medicare as Practitioner - Anesthesiology · source: CMS PECOS Public Provider Enrollment (2026.04.01)
John Gashkoff, M.D. is a Interventional Pain Medicine Physician provider in Naperville, IL (NPI 1356309694).
Provider details
- NPI number
- 1356309694
- Entity type
- Individual
- Primary specialty
- Interventional Pain Medicine PhysicianAllopathic & Osteopathic Physicians
- Credential
- M.D.
- Sex
- Male
- Sole proprietor
- No
- License
- 036087991 (IL)
Specialties & taxonomies
Allopathic & Osteopathic Physicians
Allopathic & Osteopathic Physicians
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure25% of score
20 yrs in NPPES registry
- Profile completeness25% of score
100% of core fields populated
- Practice footprint15% of score
1 documented practice location
- Medicare service volume (vs. specialty peers)25% of score
1,423 Medicare services, 2024 (ranked within specialty)
- Open Payments transparency10% of score
Has Open Payments disclosures (2024)
Medicare volume is ranked against active providers in the same specialty. Signals a provider has no public data for (e.g. Medicare claims) are left out of the score entirely — never counted as zero — so providers without that data are not penalized. See the full formula and weights in our .
What this provider does (Medicare)
Based on Medicare fee-for-service claims, 2024; not all care is captured.
| Service (HCPCS) | Medicare services | Typical Medicare-allowed (2024) |
|---|---|---|
| Established Patient Office Or Other Outpatient Visit With Moderate Level of Decision Making, If Using Time, 30 Minutes Or More99214 | 346 | $130 |
| Established Patient Office Or Other Outpatient Visit With Low Level OD Decision Making, If Using Time, 20 Minutes Or More99213 | 262 | $93 |
| Injection of Substance Into Lower Spine Canal Using Imaging Guidance62323 | 209 | $102 |
| New Patient Office Or Other Outpatient Visit With Moderate Level of Medical Decision Making, If Using Time, 45 Minutes Or More99204 | 119 | $173 |
| Injection of Substance Into Lower Spine Canal Using Imaging Guidance62323 | 68 | $266 |
What this provider prescribes (Medicare Part D)
Top drugs by Medicare Part D claim volume, 2024 · 18 distinct drugs on file.
| Drug | Part D claims (2024) | Beneficiaries |
|---|---|---|
| Hydrocodone/Acetaminophenbrand: Hydrocodone-Acetaminophen | 210 | 54 |
| Gabapentin | 114 | 37 |
| Tramadol Hcl | 98 | 35 |
| Oxycodone Hcl/Acetaminophenbrand: Oxycodone-Acetaminophen | 84 | 16 |
| Pregabalin | 58 | 18 |
| Morphine Sulfatebrand: Morphine Sulfate Er | 51 | — |
Transparency — industry payments
Based on CMS Open Payments, 2024; not all care is captured.
$1,489 across 35 records (Open Payments 2024)
Open Payments discloses payments and transfers of value (meals, travel, consulting, research, royalties) from drug and device makers to providers. This is a transparency signal, not a verdict — such payments are legal and common, and their presence is neither an endorsement nor a criticism. Source: CMS Open Payments, program year 2024.
Practice location
Mailing address
Registry dates
- Enumerated
- 2006-05-03
- Last updated
- 2023-08-08
- Certified
- 2023-08-08
Frequently asked questions
- What is John Gashkoff's NPI number?
- John Gashkoff's National Provider Identifier (NPI) is 1356309694, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is John Gashkoff's specialty?
- John Gashkoff is listed in the NPPES registry with a primary specialty of Interventional Pain Medicine Physician (Allopathic & Osteopathic Physicians).
- Where is John Gashkoff located?
- John Gashkoff's practice location on file with NPPES is 120 Spalding Dr, Naperville, IL 60540-6508.
- What is John Gashkoff's phone number?
- The practice phone number listed in the NPPES registry for John Gashkoff is (630) 967-6000.
- Does John Gashkoff accept Medicare?
- John Gashkoff is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is John Gashkoff's NPI active?
- Yes — John Gashkoff's NPI (1356309694) is active in the NPPES registry as of the last update on 2023-08-08.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.