Steven Siwek, MD
NPI 1932204435 · Interventional Pain Medicine Physician · Phoenix, AZ
Enrolled with Medicare as Practitioner - Interventional Pain Management · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Steven Siwek, MD is a Interventional Pain Medicine Physician provider in Phoenix, AZ (NPI 1932204435).
Provider details
- NPI number
- 1932204435
- Entity type
- Individual
- Primary specialty
- Interventional Pain Medicine PhysicianAllopathic & Osteopathic Physicians
- Credential
- MD
- Sex
- Male
- Sole proprietor
- No
- License
- 23424 (AZ)
Specialties & taxonomies
Allopathic & Osteopathic Physicians
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure25% of score
19 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
1,030 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) |
|---|---|---|
| Remote Therapeutic Monitoring Treatment Management Services By Physician Or Other Qualified Health Care Professional, Each Additional 20 Minutes Per Calendar Month98981 | 174 | $38 |
| Remote Therapeutic Monitoring Treatment Management Services By Physician Or Other Qualified Health Care Professional, First 20 Minutes Per Calendar Month98980 | 104 | $49 |
| Injection of Anesthetic And/Or Steroid Drug Into Sacral Spine Nerve Root Using Imaging Guidance, Each Additional Level64484 | 72 | $61 |
| Injection of Anesthetic And/Or Steroid Drug Into Sacral Spine Nerve Root Using Imaging Guidance, Single Level64483 | 71 | $134 |
| Destruction of Lower Or Sacral Spinal Facet Joint Nerves Using Imaging Guidance, Each Additional Facet Joint64636 | 49 |
What this provider prescribes (Medicare Part D)
Top drugs by Medicare Part D claim volume, 2024 · 25 distinct drugs on file.
| Drug | Part D claims (2024) | Beneficiaries |
|---|---|---|
| Oxycodone Hcl/Acetaminophenbrand: Oxycodone-Acetaminophen | 244 | 134 |
| Gabapentin | 174 | 101 |
| Hydrocodone/Acetaminophenbrand: Hydrocodone-Acetaminophen | 173 | 119 |
| Tramadol Hcl | 134 | 63 |
| Oxycodone Hcl | 104 | 60 |
| Morphine Sulfatebrand: Morphine Sulfate Er | 81 | 43 |
Transparency — industry payments
Based on CMS Open Payments, 2024; not all care is captured.
$39,928 across 46 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
- 2006-09-13
- Last updated
- 2021-03-25
- Certified
- 2021-03-25
Frequently asked questions
- What is Steven Siwek's NPI number?
- Steven Siwek's National Provider Identifier (NPI) is 1932204435, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Steven Siwek's specialty?
- Steven Siwek is listed in the NPPES registry with a primary specialty of Interventional Pain Medicine Physician (Allopathic & Osteopathic Physicians).
- Where is Steven Siwek located?
- Steven Siwek's practice location on file with NPPES is 20333 N 19th Ave Ste 100, Phoenix, AZ 85027-3602.
- What is Steven Siwek's phone number?
- The practice phone number listed in the NPPES registry for Steven Siwek is (623) 516-8252.
- Does Steven Siwek accept Medicare?
- Steven Siwek is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Steven Siwek's NPI active?
- Yes — Steven Siwek's NPI (1932204435) is active in the NPPES registry as of the last update on 2021-03-25.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.