DR. JOHN J. GASHKOFF M.D.
NPI 1356309694
Pain Medicine - Interventional Pain Medicine in Naperville, IL

Q: What is John Gashkoff's NPI number?

The NPI number for John Gashkoff is 1356309694. It was assigned to this individual provider in the NPPES registry on May 3, 2006.

Q: What is John Gashkoff's specialty?

The primary specialty registered for this NPI is Pain Medicine, specializing in Interventional Pain Medicine, with taxonomy code 208VP0014X.

Q: When was this NPI record last updated?

The NPPES record for John Gashkoff was last updated on August 8, 2023. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 3 years ago. If this record has changed at CMS more recently, you can request an on-demand re-check against the live CMS registry, directly from this page.

Active since May 03, 2006PECOS EnrolledAccepts Medicare Assignment

120 SPALDING DR, STE 400, NAPERVILLE, IL 60540(630) 967-6000 Get Directions Write a Review

NPPES record last updated: August 8, 2023. Verified against the NPPES registry weekly; last sync: October 18, 2026.

Record update history: Aug 8, 2023, Feb 5, 2021 (2 updates tracked since 2021).

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About Dr. John J. Gashkoff M.d. NPPES

Official registry information on file with the National Plan and Provider Enumeration System.

DR. JOHN J. GASHKOFF M.D. (NPI 1356309694) is an individual interventional pain medicine provider in Naperville, Illinois, licensed in Illinois (036087991) and active in the NPI registry since May 2006. He is enrolled in Medicare PECOS, is affiliated with Edward Hospital, and is a graduate of Medical College Of Wisconsin (1990).

NPPES Registry Identity

NPI1356309694

Entity TypeIndividualMale

Primary Taxonomy208VP0014X

Provider Legal NameDR. JOHN J. GASHKOFFCredential: M.D.

Location Address120 SPALDING DR, STE 400Naperville, IL 60540-6508

Mailing AddressPo Box 713260Chicago, IL 60677-1260 · (630) 469-9200

Phone(630) 967-6000

Sole ProprietorNo

Medical School CMSMedical College Of WisconsinGraduated 1990

Enumeration DateMay 3, 2006

Last NPPES UpdateAugust 8, 20232 updates tracked since enumeration

NPPES CertifiedAugust 8, 2023

✔ NPI 1356309694 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses 2

★ Primary SpecialtyPain Medicine · Interventional Pain MedicineAllopathic & Osteopathic Physicians

Taxonomy Code208VP0014X

License✔ Licensed in IL · 036087991

Definition

Interventional Pain Medicine is the discipline of medicine devoted to the diagnosis and treatment of pain and related disorders principally with the application of interventional techniques in managing subacute, chronic, persistent, and intractable pain, independently or in conjunction with other modalities of treatment.

Also ListedAnesthesiologyTaxonomy 207L00000X · License 036087991 (IL)

120 SPALDING DR, Naperville, IL 60540

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Medicare Participation & PECOS CMS

Medicare enrollment, assignment, billing reassignment, and ordering and referring status from CMS.

Medicare Enrollment Status

✔

Enrolled in Medicare and accepts Medicare assignment

Dr. John J. Gashkoff M.d. is registered in PECOS and agrees to accept the Medicare-approved amount as full payment. Medicare patients are not billed beyond the standard deductible and coinsurance.

PECOS PAC ID8123929536

PECOS Enrollment IDI20040621001284

Eligible to Order & Refer✔ Part B Labs & Imaging✔ Durable Medical Equipment✔ Home Health Agency✔ Power Mobility DevicesPer the CMS Ordering and Referring file. Eligibility means Medicare pays claims that this provider orders or refers for these categories.

Medicare Billing Reassignments

Medicare enrollment records show John Gashkoff reassigns Medicare billing to 2 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.

Dupage Valley Anesthesiologists, Ltd.

0.3 mi

Anesthesiology

801 S WASHINGTON ST
Naperville, IL 60540

Reassigned Medicare billing, Illinois enrollment
94 clinicians in this Medicare group

NPI 1457309817 (630) 355-0450

Dupage Medical Group Ltd

8.7 mi

Multi-Specialty

1100 W 31ST ST, STE 300
Downers Grove, IL 60515

Reassigned Medicare billing, Illinois enrollment
1,061 clinicians in this Medicare group

NPI 1801833983 (630) 469-9200

Source: CMS Revalidation Reassignment List, October 2026 release. Reassignment records can lag staffing changes; confirm a current affiliation with the organization.

Areas of Expertise CMS Part B claims 23

Services this provider delivered to Medicare fee-for-service patients, from the CMS Medicare utilization data. Higher counts generally reflect more experience with a service; care delivered outside Medicare is not included.

Injection, triamcinolone acetonide, not otherwise specified, 10 mg J3301

Triamcinolone acetonide is a medication used to reduce inflammation in the body. It's given as a 10 mg injection for conditions like allergies, arthritis, or skin problems. The injection helps to decrease swelling, redness, and itching.

549 services99 patients

Established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more 99214

This is a routine check-up for patients who have previously visited our clinic. It involves a comprehensive review of your health and any ongoing treatments. The consultation lasts between 30-39 minutes, allowing enough time to discuss any concerns.

346 services218 patients

Injection, dexamethasone sodium phosphate, 1 mg J1100

Dexamethasone sodium phosphate is a medication given via injection. It is a type of steroid that helps reduce inflammation and immune responses. It can be used to treat a variety of conditions, such as allergies, skin conditions, arthritis, and more.

340 services22 patients

Established patient office or other outpatient visit with low level od decision making, if using time, 20 minutes or more 99213

This is a routine visit for patients who have already been seen by the healthcare provider. During this approximately 20-29 minute appointment, your health status will be evaluated and any necessary treatments or tests will be discussed. It's a chance to address any health concerns you may have.

262 services179 patients

Injection of substance into lower spine canal using imaging guidance 62323

This procedure involves injecting a substance into your lower spine canal, guided by real-time images. It's done to diagnose or treat various conditions. You may feel slight discomfort, but it's generally safe and can provide valuable information for your treatment plan.

209 services158 patients

New patient office or other outpatient visit with moderate level of medical decision making, if using time, 45 minutes or more 99204

This is a first-time office or outpatient visit lasting between 45-59 minutes. The healthcare provider evaluates your health, discusses your medical history, and may suggest further tests or treatments. It's an opportunity to ask questions and understand your health better.

119 services119 patients

Injection of substance into lower spine canal using imaging guidance 62323

68 services55 patients

Use of a drug to induce depression of consciousness by physician performing a procedure (5 years or older), initial 15 minutes 99152

This procedure involves a doctor administering a medication to reduce your consciousness during a procedure. This helps in managing discomfort and anxiety. The initial application lasts for 15 minutes and is for individuals aged 5 years or older.

48 services45 patients

Injection of substance into middle or upper spine canal using imaging guidance 62321

This procedure involves injecting a substance into your middle or upper spine canal. It's performed under imaging guidance to ensure accuracy. The substance can help diagnose or treat various conditions, providing relief from symptoms.

43 services30 patients

Injection of lower or sacral spine facet joint using imaging guidance, single level 64493

This procedure involves injecting medication into the facet joint in your lower back or sacral spine. It's done under imaging guidance to ensure accuracy. The aim is to alleviate pain and inflammation. It's a safe, often effective method for managing spinal discomfort.

41 services28 patients

Injection of anesthetic and/or steroid drug into sacral spine nerve root using imaging guidance, single level 64483

This procedure involves injecting a mix of numbing and anti-inflammatory medication into a specific nerve root in the lower back. It helps manage pain and reduce inflammation. The process is guided by imaging technology for precision.

38 services29 patients

Injection of lower or sacral spine facet joint using imaging guidance, second level 64494

This procedure involves injecting medication into the facet joints of your lower or sacral spine to manage pain. Imaging guidance ensures accurate placement. It's the second level, meaning it's done on two different joint levels.

34 services23 patients

Destruction of lower or sacral spinal facet joint nerves using imaging guidance, single facet joint 64635

This procedure involves using imaging guidance to accurately target and destroy nerves in the lower or sacral spinal facet joint. It's done to relieve chronic back pain. The process is safe and usually effective.

27 services26 patients

Destruction of lower or sacral spinal facet joint nerves using imaging guidance, each additional facet joint 64636

This procedure involves using imaging technology to locate and treat nerves in your lower spine or sacral area that may be causing pain. Each additional facet joint refers to treating more than one spinal nerve. It's a non-invasive way to manage chronic back pain.

25 services23 patients

Injection of anesthetic and/or steroid drug into sacral spine nerve root using imaging guidance, single level 64483

20 services20 patients

Injection of trigger points, 3 or more muscles 20553

Trigger point injection therapy involves injecting medication into specific areas of your muscles, known as trigger points. These are areas that produce pain and discomfort. If you have three or more muscles affected, each will be treated individually.

18 services13 patients

Injection of anesthetic or steroid into joint between lower spine and hip bone using imaging guidance 27096

This procedure involves injecting medicine into the joint where your lower spine meets your hip bone. Using special imaging technology, the doctor ensures the medicine is delivered accurately. This can help reduce pain and inflammation in that area.

18 services15 patients

Injection of lower or sacral spine facet joint using imaging guidance, single level 64493

16 services14 patients

Electronic analysis of implanted neurostimulator generator with complex spinal cord or peripheral nerve stimulator programming 95972

This procedure involves electronically analyzing an implanted neurostimulator. This device sends electrical pulses to your spinal cord or peripheral nerves to manage pain. The programming is complex, requiring expert analysis to ensure proper functioning.

16 services11 patients

Injection of substance into middle or upper spine canal using imaging guidance 62321

15 services11 patients

Injection of lower or sacral spine facet joint using imaging guidance, second level 64494

15 services13 patients

Aspiration and/or injection of fluid large joint using ultrasound guidance 20611

This procedure involves using ultrasound technology to accurately locate a large joint, usually the knee or shoulder. A needle is then inserted to either extract fluid (aspiration) or inject medication. The ultrasound helps ensure precision and safety.

14 services12 patients

Injection of anesthetic and/or steroid drug into sacral spine nerve root using imaging guidance, each additional level 64484

This procedure involves injecting an anesthetic or steroid drug into the sacral spine nerve root. It's done under imaging guidance to ensure accuracy. The process can be repeated for each additional level of the spine to help manage pain or inflammation.

14 services12 patients

Hospital Affiliations CMS Care Compare

Hospitals where this provider delivers care, identified from recent Medicare claims and place-of-service records.

Edward Hospital

Acute Care Hospitals · Naperville, IL

5/5 CMS rating

OwnershipVoluntary non-profit - Private

CMS Certification Number140231

Location801 South WashingtonNaperville, IL 60540 · Du Page County

Emergency services Birthing friendly

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 60540 ZIP code area, from fee-for-service claims. These are area statistics, not this provider’s prices; actual charges vary by service and coverage.

New Patient

$137.43 typical visit price

range $59.81 – $181.38

Typical copayment $34.35 (range $14.95 – $45.34)

Most-billed visit code 99204

Established Patient

$105.07 typical visit price

range $19.15 – $147.12

Typical copayment $26.26 (range $4.78 – $36.78)

Most-billed visit code 99214

Amounts reflect what Medicare beneficiaries in this ZIP area are typically charged for office visits. Patients with other coverage should check their individual plans.

Other Providers at the Same Location NPPES 20

Providers registered at the same practice address, or within the immediate area, according to the NPPES registry.

JAMES R DAVIS MD

Specialist

120 SPALDING DR, SUITE 307
NAPERVILLE, IL 60540

Dupage County (630) 355-1102

SHEILA TREFTZ APN

Nurse Practitioner (Acute Care)

120 SPALDING DR, SUITE 401
NAPERVILLE, IL 60540

Dupage County (630) 416-4501

JOSEPH KASH MD

Internal Medicine (Hematology & Oncology)

120 SPALDING DR, SUITE 111
NAPERVILLE, IL 60540

Dupage County (630) 527-3788

MRS. WENDY ANN PAWELSKI LCPC,CADC

Counselor (Professional)

120 SPALDING DR, MOB II SUITE 408
NAPERVILLE, IL 60540

Dupage County (630) 527-5484

EDWARD HEALTH VENTURES

Psychiatry & Neurology (Neurology)

120 SPALDING DR, STE 207
NAPERVILLE, IL 60540

Dupage County (630) 527-7730

KRISTIN R. WATKINS APN-CNP

Nurse Practitioner

120 SPALDING DR
NAPERVILLE, IL 60540

Dupage County (630) 369-7700

JAMES W WIELGOLEWSKI MD

Surgery

120 SPALDING DR, SUITE 100
NAPERVILLE, IL 60540

Dupage County (630) 961-0423

HASSAN PERVEZ M.D.

Internal Medicine (Hematology & Oncology)

120 SPALDING DR, SUITE 111
NAPERVILLE, IL 60540

Dupage County (630) 527-3788

Frequently Asked Questions NPPES & CMS

Common questions about this NPI record, answered from the official NPPES registry and CMS datasets shown on this page.

What is John Gashkoff's NPI number?

The NPI number for John Gashkoff is 1356309694. It was assigned to this individual provider in the NPPES registry on May 3, 2006.

Where is John Gashkoff located?

John Gashkoff practices at 120 Spalding Dr Ste 400, Naperville, IL 60540. The listed phone number is (630) 967-6000.

What is John Gashkoff's specialty?

The primary specialty registered for this NPI is Pain Medicine, specializing in Interventional Pain Medicine, with taxonomy code 208VP0014X.

Is John Gashkoff enrolled in Medicare?

Yes. John Gashkoff is registered in the Medicare PECOS system and accepts Medicare assignment, which means accepting the Medicare-approved amount as payment in full for covered services.

Which organizations bill Medicare for John Gashkoff's services?

According to the CMS Revalidation Reassignment List (October 2026 release), John Gashkoff reassigns Medicare benefits to 2 organizations: Dupage Valley Anesthesiologists, Ltd. (Naperville, IL) and Dupage Medical Group Ltd (Downers Grove, IL). Each reassignment is filed with Medicare on form CMS-855R, signed by both the clinician and the organization, and lets the organization bill Medicare and receive payment for John Gashkoff's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.

Is John Gashkoff affiliated with any hospitals?

According to CMS data, John Gashkoff is affiliated with Edward Hospital.

When was this NPI record last updated?

The NPPES record for John Gashkoff was last updated on August 8, 2023. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 3 years ago. If this record has changed at CMS more recently, you can request an on-demand re-check against the live CMS registry, directly from this page.