Ryan Siwiec, D.O.
NPI 1841429925 · Orthopaedic Surgery Physician · Auburn Hills, MI
Enrolled with Medicare as Practitioner - Sports Medicine · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Ryan Siwiec, D.O. is a Orthopaedic Surgery Physician provider in Auburn Hills, MI (NPI 1841429925).
Provider details
- NPI number
- 1841429925
- Entity type
- Individual
- Primary specialty
- Orthopaedic Surgery PhysicianAllopathic & Osteopathic Physicians
- Credential
- D.O.
- Sex
- Male
- Sole proprietor
- No
- License
- 5101018293 (MI)
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
16 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
767 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 Low Level OD Decision Making, If Using Time, 20 Minutes Or More99213 | 189 | $90 |
| Aspiration And/Or Injection of Fluid From Large Joint20610 | 174 | $73 |
| X-Ray of Knee, 4 Or More Views73564 | 98 | $46 |
| X-Ray of Shoulder, Minimum of 2 Views73030 | 79 | $34 |
| Established Patient Office Or Other Outpatient Visit With Moderate Level of Decision Making, If Using Time, 30 Minutes Or More99214 | 78 | $125 |
| New Patient Office Or Other Outpatient Visit With Moderate Level of Medical Decision Making, If Using Time, 45 Minutes Or More99204 |
What this provider prescribes (Medicare Part D)
Top drugs by Medicare Part D claim volume, 2024 · 9 distinct drugs on file.
| Drug | Part D claims (2024) | Beneficiaries |
|---|---|---|
| Meloxicam | 124 | 66 |
| Hydrocodone/Acetaminophenbrand: Hydrocodone-Acetaminophen | 24 | 19 |
| Tramadol Hcl | 21 | 19 |
| Gabapentin | 20 | 18 |
| Amoxicillin | 19 | — |
| Ibuprofen | 16 | — |
| Oxycodone Hcl | 15 | 14 |
Transparency — industry payments
Based on CMS Open Payments, 2024; not all care is captured.
$1,061 across 30 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
- 2009-07-09
- Last updated
- 2024-11-18
- Certified
- 2024-11-18
Frequently asked questions
- What is Ryan Siwiec's NPI number?
- Ryan Siwiec's National Provider Identifier (NPI) is 1841429925, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Ryan Siwiec's specialty?
- Ryan Siwiec is listed in the NPPES registry with a primary specialty of Orthopaedic Surgery Physician (Allopathic & Osteopathic Physicians).
- Where is Ryan Siwiec located?
- Ryan Siwiec's practice location on file with NPPES is 3100 Cross Creek Pkwy, Auburn Hills, MI 48326-2774.
- What is Ryan Siwiec's phone number?
- The practice phone number listed in the NPPES registry for Ryan Siwiec is (248) 377-8000.
- Does Ryan Siwiec accept Medicare?
- Ryan Siwiec is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Ryan Siwiec's NPI active?
- Yes — Ryan Siwiec's NPI (1841429925) is active in the NPPES registry as of the last update on 2024-11-18.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.