Stephen Sides, D.O.
NPI 1366428914 · Rheumatology Physician · Jefferson City, MO
Enrolled with Medicare as Practitioner - Rheumatology · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Stephen Sides, D.O. is a Rheumatology Physician provider in Jefferson City, MO (NPI 1366428914).
Provider details
- NPI number
- 1366428914
- Entity type
- Individual
- Primary specialty
- Rheumatology PhysicianAllopathic & Osteopathic Physicians
- Credential
- D.O.
- Sex
- Male
- Sole proprietor
- No
- License
- 2001001591 (MO)
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
6,737 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) |
|---|---|---|
| Insertion of Needle Into Vein for Collection of Blood Sample36415 | 994 | $9 |
| Complete Blood Cell Count (red Cells, White Blood Cell, Platelets), Automated Test and Automated Differential White Blood Cell Count85025 | 818 | $8 |
| Red Blood Cell Sedimentation Rate, to Detect Inflammation, Automated85652 | 792 | $3 |
| Blood Test, Comprehensive Group of Blood Chemicals80053 | 754 | $10 |
| Infusion Into a Vein for Therapy, Prevention, Or Diagnosis, 1 Hour Or Less96365 | 716 | $54 |
| Injection of Drug Or Substance Under Skin Or Into Muscle96372 | 682 | $13 |
What this provider prescribes (Medicare Part D)
Top drugs by Medicare Part D claim volume, 2024 · 42 distinct drugs on file.
| Drug | Part D claims (2024) | Beneficiaries |
|---|---|---|
| Hydroxychloroquine Sulfate | 1,043 | 210 |
| Methotrexate Sodiumbrand: Methotrexate | 937 | 196 |
| Prednisone | 844 | 202 |
| Celecoxib | 234 | 51 |
| Folic Acid | 148 | 32 |
| Leflunomide | 126 | 26 |
| Meloxicam | 122 | 28 |
| Etanercept |
Transparency — industry payments
Based on CMS Open Payments, 2024; not all care is captured.
$690 across 50 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
- 2005-12-15
- Last updated
- 2023-08-10
- Certified
- 2023-08-10
Frequently asked questions
- What is Stephen Sides's NPI number?
- Stephen Sides's National Provider Identifier (NPI) is 1366428914, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Stephen Sides's specialty?
- Stephen Sides is listed in the NPPES registry with a primary specialty of Rheumatology Physician (Allopathic & Osteopathic Physicians).
- Where is Stephen Sides located?
- Stephen Sides's practice location on file with NPPES is 1241 W Stadium Blvd, Jefferson City, MO 65109-6023.
- What is Stephen Sides's phone number?
- The practice phone number listed in the NPPES registry for Stephen Sides is (573) 635-5264.
- Does Stephen Sides accept Medicare?
- Stephen Sides is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Stephen Sides's NPI active?
- Yes — Stephen Sides's NPI (1366428914) is active in the NPPES registry as of the last update on 2023-08-10.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.