Shannon Iriza, D.O.
NPI 1124438759 · Rheumatology Physician · Columbia, SC
Enrolled with Medicare as Practitioner - Rheumatology · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Shannon Iriza, D.O. is a Rheumatology Physician provider in Columbia, SC (NPI 1124438759).
Provider details
- NPI number
- 1124438759
- Entity type
- Individual
- Primary specialty
- Rheumatology PhysicianAllopathic & Osteopathic Physicians
- Credential
- D.O.
- Sex
- Female
- Sole proprietor
- No
- License
- DO034666 (DC)
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
12 yrs in NPPES registry
- Profile completeness25% of score
100% of core fields populated
- Practice footprint15% of score
3 documented practice locations
- Medicare service volume (vs. specialty peers)25% of score
431 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 | 245 | $125 |
| Visit Complexity Inherent to Evaluation and Management Associated With Medical Care Services That Serve As the Continuing Focal Point for All Needed Health Care Services And/Or With Medical Care Services That Are Part of Ongoing Care Related to a Patient'SG2211 | 76 | $16 |
| Established Patient Office Or Other Outpatient Visit With High Level of Medical Decision Making, If Using Time, 40 Minutes Or More99215 | 33 | $178 |
| Established Patient Office Or Other Outpatient Visit With Low Level OD Decision Making, If Using Time, 20 Minutes Or More99213 | 30 | $89 |
| New Patient Office Or Other Outpatient Visit With Moderate Level of Medical Decision Making, If Using Time, 45 Minutes Or More99204 | 19 | $165 |
What this provider prescribes (Medicare Part D)
Top drugs by Medicare Part D claim volume, 2024 · 28 distinct drugs on file.
| Drug | Part D claims (2024) | Beneficiaries |
|---|---|---|
| Hydroxychloroquine Sulfate | 235 | 78 |
| Prednisone | 183 | 53 |
| Methotrexate Sodiumbrand: Methotrexate | 157 | 47 |
| Adalimumabbrand: Humira(cf) Pen | 76 | 15 |
| Etanerceptbrand: Enbrel Sureclick | 62 | — |
| Leflunomide | 60 | 21 |
Transparency — industry payments
Based on CMS Open Payments, 2024; not all care is captured.
$144 across 7 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
Additional practice locations (2)
- 3800 Reservoir Rd Nw Ste 3004Washington, DC 20007-2113Phone: (202) 444-6200
- 1255 S Cedar Crest BlvdSuite 3200Allentown, PA 18103Phone: (610) 402-8000
Registry dates
- Enumerated
- 2014-05-05
- Last updated
- 2025-12-17
- Certified
- 2025-12-17
Frequently asked questions
- What is Shannon Iriza's NPI number?
- Shannon Iriza's National Provider Identifier (NPI) is 1124438759, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Shannon Iriza's specialty?
- Shannon Iriza is listed in the NPPES registry with a primary specialty of Rheumatology Physician (Allopathic & Osteopathic Physicians).
- Where is Shannon Iriza located?
- Shannon Iriza's practice location on file with NPPES is 2 Medical Park Rd Ste 501, Columbia, SC 29203-6839.
- What is Shannon Iriza's phone number?
- The practice phone number listed in the NPPES registry for Shannon Iriza is (803) 540-1000.
- Does Shannon Iriza accept Medicare?
- Shannon Iriza is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Shannon Iriza's NPI active?
- Yes — Shannon Iriza's NPI (1124438759) is active in the NPPES registry as of the last update on 2025-12-17.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.