Dr. Ryan Michael Siwiec, DO
- Medicare services, 2024
- 2,775
- Medicare patients, 2024
- 216
- Part D claims, 2024
- 284
- Hospital affiliations
- 3
- Industry payments
- $16,337
- Practice address
- 3100 Cross Creek Pkwy, Auburn Hills, MI 48326
- Practice phone
- Call (248) 377-8000
- Professional email
- Get professional email
- Personal email
- Get personal email
- Mobile number
- Get mobile number
Primary practice
Center for Advanced Orthopedics and Sports Medicine
Auburn Hills, Michigan
Find Dr. Siwiec's professional email, personal email and mobile number
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Dr. Ryan Michael Siwiec is an orthopedic surgeon in Auburn Hills, Michigan
Dr. Siwiec practices at Center for Advanced Orthopedics and Sports Medicine in Auburn Hills, Michigan.
Dr. Siwiec's NPI, 1841429925, was assigned on July 9, 2009. Dr. Siwiec graduated from Michigan State University College of Osteopathic Medicine in 2009. Dr. Siwiec holds Michigan license 5101018293.
- NPI
- 1841429925NPI Registry (opens in a new tab)
- Medicare PAC ID
- 5193974137
- NPI enumeration date
- July 9, 2009
- NPI status
- Active
- Accepts Medicare assignment
- Yes
- Practice phone
- (248) 377-8000
- Professional email
- Get email
- Personal email
- Get email
- Mobile number
- Get number
- Sex
- Male
- Estimated age
- 43
- Medical school graduation
- 2009
Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; Dmand AI Practice Data; and Doctors and Clinicians National Downloadable File (CMS)
Dr. Ryan Michael Siwiec practices at Center for Advanced Orthopedics and Sports Medicine in Auburn Hills, Michigan
Dr. Siwiec's primary practice is Center for Advanced Orthopedics and Sports Medicine, at 3100 Cross Creek Pkwy, Auburn Hills, MI 48326 in Oakland County. The practice phone is (248) 377-8000.
- Center for Advanced Orthopedics and Sports Medicine3100 Cross Creek Pkwy, Auburn Hills, MI 48326 · Oakland CountyPhone(248) 377-8000
Sources: NPPES NPI Registry (CMS); and Dmand AI Practice Data
Dr. Ryan Michael Siwiec is affiliated with 6 sites of care and 2 medical groups
Dr. Siwiec's primary practice is Center for Advanced Orthopedics and Sports Medicine in Auburn Hills, Michigan. Dr. Siwiec is also affiliated with Corewell Health Beaumont Troy Hospital. The medical group on file is Center for Advanced Orthopedics and Sports Medicine. Dmand AI also links Dr. Siwiec to 2 more hospitals, 1 group practice or clinic, 1 home health agency and 1 medical group, each named with a free account.
Sources: NPPES NPI Registry (CMS); Dmand AI Practice Data; and Dmand AI Affiliation Data
Dmand AI tracks the EHR system at Dr. Ryan Michael Siwiec's practice
Dmand AI tracks the electronic health record (EHR) system at each site where Dr. Siwiec practices, 5 sites in all. Vendor and product names are available with a free account.
| Site | EHR vendor and product |
|---|---|
| Center for Advanced Orthopedics and Sports Medicine | Available with a free account |
| +5 more sites and 1 medical group | Available with a free account |
Source: Dmand AI Technology Install Data
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Dr. Ryan Michael Siwiec is one of 823 orthopedic surgeons in Michigan
Orthopaedic surgery is Dr. Siwiec's primary specialty in the NPI Registry, under taxonomy code 207X00000X. Dr. Siwiec is licensed in Michigan.
Specialties and state licenses
- Orthopaedic surgery, MichiganPrimary
Orthopedic surgeons near Dr. Siwiec
Counts of orthopedic surgeons with a Dmand AI profile, by place and practice. Each opens the list.
Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; and Dmand AI Peer Benchmarks
Dr. Ryan Michael Siwiec billed Medicare for 2,775 services in 2024
CMS data shows 2,775 Medicare services from Dr. Siwiec across 13 procedure codes in 2024, for 216 Medicare patients. Medicare paid $50,727 for them.
Dr. Siwiec's Medicare services by type, 2023 to 2024
- 2023
- 2024
- Drugs given in the office
- 2023: 2,2572024: 2,00811%
- Office and hospital visits
- 2023: 3722024: 3564%
- Imaging
- 2023: 2192024: 2378%
- Surgery
- 2023: 1722024: 1741%
Where Dr. Siwiec's Medicare services took place, 2024
- In an office2,75599%
- In a facility201%
Dr. Siwiec compared with the Michigan median for orthopedic surgeons, 2024
- Dr. Siwiec
- Michigan median
- Medicare services
- 2,775vs 5235.3 times
- Medicare patients
- 216vs 17226% above
- Part D claims
- 264vs 803.3 times
Medians across 781 orthopedic surgeons in Michigan with Dmand AI profiles that report each measure.
Dr. Siwiec's most billed Medicare procedure codes, 2024
CMS publishes codes billed for 11 or more Medicare patients. Each label is the code family; CPT descriptions are licensed by the AMA.
Need commercial claims for Dr. Siwiec?
Medicare shows one payer. Book a meeting to get commercial claims data for Dr. Siwiec and other orthopedic surgeons in Michigan.
Sources: Medicare Physician & Other Practitioners - by Provider and Service (CMS), 2024 data; and Dmand AI Peer Benchmarks
Dr. Ryan Michael Siwiec treated 216 Medicare patients in 2024, average age 75
CMS counts 216 Medicare patients who saw Dr. Siwiec in 2024. The largest group is 65 to 74, with 109 patients. 73% of them have high blood pressure, and 70% have high cholesterol. Their average risk score is 1.09, where 1.00 is the Medicare average.
Across all payers, Dmand AI patient panel data puts Dr. Siwiec's median patient age at 55, with 50% women.
Dr. Siwiec's Medicare patients by age, 2024
CMS leaves out age groups with fewer than 11 patients.
Dr. Siwiec's Medicare patients by sex, 2024
- Women14065%
- Men7635%
Chronic conditions among Dr. Siwiec's Medicare patients, 2024
- High blood pressure73%
- High cholesterol70%
- Arthritis69%
- Ischemic heart disease29%
- Anxiety26%
- Mood disorders21%
- Diabetes20%
- Depression18%
Share of Medicare patients with each condition. A patient can have several.
Dr. Siwiec's patients across all payers
Dmand AI patient panel data covers Medicare, Medicaid and commercial patients.
Patient panel by age, all payers
Median age 55
Patient panel by sex, all payers
- Women50%
- Men49%
Sources: Dmand AI Patient Panel Data; and Medicare Physician & Other Practitioners - by Provider (CMS), 2024 data
Dr. Ryan Michael Siwiec wrote 284 Medicare Part D claims in 2024
In 2024, Dr. Siwiec wrote 284 Medicare Part D claims for 132 patients. 100% of them were for generic drugs. CMS names the drug for 264 of them, across 9 drugs with 11 or more claims each, at $898 in total drug cost. In 2023, CMS named 226 claims across 6 drugs.
Dr. Siwiec's most prescribed drugs by claims, 2024
CMS names a drug when it has 11 or more claims. Share is of the claims for drugs CMS names.
Drug classes CMS tracks in Dr. Siwiec's Part D claims, 2024
- Opioids21%61 of 284 claims
- Antibiotics9%25 of 284 claims
Share of all Part D claims for each drug class CMS reports on. Classes with no claims are left out.
Part D claims for drugs CMS names, 2023 to 2024
- 2023
- 2024
- Claims for drugs CMS names
- 2023: 2262024: 26417%
Drugs named by CMS: 9 in 2024, 6 in 2023.
Sources: Medicare Part D Prescribers - by Provider and Drug (CMS), 2024 data, released May 6, 2026; and Medicare Part D Prescribers - by Provider (CMS), 2024 data
Dr. Ryan Michael Siwiec ranks in the 60th percentile for upper limb (arm) arthroscopy (minimally invasive joint repair) in Medicare
Dr. Siwiec accepts Medicare assignment, so Medicare's approved amount is taken as full payment. CMS counts 18 procedures of upper limb (arm) arthroscopy (minimally invasive joint repair) by Dr. Siwiec, more than 60% of the clinicians it reports for that procedure.
- Accepts Medicare assignment
- Yes
Where Dr. Siwiec ranks in Medicare procedure volume
- Upper limb (arm) arthroscopy (minimally invasive joint repair)
- 60th percentile18 procedures
CMS ranks each clinician against every clinician it reports for the same procedure category.
Knee replacement: 1 to 10 procedures (CMS shows small counts as a range)
Lower limb (leg) arthroscopy (minimally invasive joint repair): 1 to 10 procedures (CMS shows small counts as a range)
Spinal fusion: 1 to 10 procedures (CMS shows small counts as a range)
Sources: Doctors and Clinicians National Downloadable File (CMS); and Doctors and Clinicians Utilization Data (CMS)
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Dr. Ryan Michael Siwiec received $16,337 in industry payments from 2016 to 2025
CMS Open Payments shows 362 general payments to Dr. Siwiec from 38 drug and device companies from 2016 to 2025. Food and beverage make up the largest share, 48% of the total. Pinnacle, Inc paid the most, $5,043.
General payments to Dr. Siwiec by program year, 2016 to 2025
General payments to Dr. Siwiec by kind, 2016 to 2025
- Food and beverage$7,77948%
- Education$6,01037%
- Travel and lodging$2,54716%
Companies that paid Dr. Siwiec the most, 2016 to 2025
Share is of all general payments to this clinician.
Source: Open Payments (CMS), 2025 data, released July 7, 2026
Dr. Ryan Michael Siwiec graduated from Michigan State University College of Osteopathic Medicine
Dr. Siwiec graduated from Michigan State University College of Osteopathic Medicine in 2009.
- Medical school
Source: Dmand AI Professional Profile Data
Sources for Dr. Ryan Michael Siwiec's profile data
| Data on this page | Source |
|---|---|
| NPI, name, sex, specialty and licenses | NPPES NPI Registry (CMS) (opens in a new tab)Dmand AI Professional Profile Data |
| Practice locations and phone | NPPES NPI Registry (CMS) (opens in a new tab)Dmand AI Practice Data |
| Primary practice, affiliations and health system | NPPES NPI Registry (CMS) (opens in a new tab)Dmand AI Practice DataDmand AI Affiliation Data |
| Medicare services and procedure codes | Medicare Physician & Other Practitioners - by Provider and Service (CMS) (opens in a new tab) |
| State medians for the same specialty | Dmand AI Peer Benchmarks |
| Medicare patients and the all-payer patient panel | Dmand AI Patient Panel DataMedicare Physician & Other Practitioners - by Provider (CMS) (opens in a new tab) |
| Part D prescribing | Medicare Part D Prescribers - by Provider and Drug (CMS) (opens in a new tab)Medicare Part D Prescribers - by Provider (CMS) (opens in a new tab) |
| MIPS scores, telehealth, assignment and procedure percentiles | Doctors and Clinicians National Downloadable File (CMS) (opens in a new tab)Doctors and Clinicians Utilization Data (CMS) (opens in a new tab) |
| Industry payments | Open Payments (CMS) (opens in a new tab) |
| Training, board certification and memberships | Dmand AI Professional Profile Data |
| EHR at each practice site | Dmand AI Technology Install Data |
| Similar physicians | Dmand AI Affiliation Data |
Data last refreshed October 2026Report an inaccuracyRemove my information
FAQ
Frequently asked questions about Dr. Ryan Michael Siwiec
Spotted something out of date? Email hello@dmand.ai and we will check the record. Contact details live in the free trial.
What is Dr. Ryan Michael Siwiec's NPI number?
Dr. Ryan Michael Siwiec's NPI number is 1841429925. It was assigned on July 9, 2009, and it is active in the NPI Registry.
What kind of doctor is Dr. Ryan Michael Siwiec?
Dr. Ryan Michael Siwiec is an orthopedic surgeon in Auburn Hills, Michigan. The primary specialty in the NPI Registry is Orthopaedic Surgery Physician (taxonomy code 207X00000X).
Where does Dr. Ryan Michael Siwiec practice?
Dr. Siwiec practices at 3100 Cross Creek Pkwy, Auburn Hills, MI 48326. Dr. Siwiec's primary practice is Center for Advanced Orthopedics and Sports Medicine in Auburn Hills, Michigan. Dmand AI also links Dr. Siwiec to 2 hospitals, 1 group practice or clinic, 1 home health agency and 1 medical group.
What is Dr. Ryan Michael Siwiec's office phone number?
The practice phone on file for Dr. Siwiec is (248) 377-8000.
What is Dr. Ryan Michael Siwiec's medical license number?
Dr. Siwiec holds Michigan license 5101018293.
Which hospitals is Dr. Ryan Michael Siwiec affiliated with?
Dr. Siwiec is affiliated with Corewell Health Beaumont Troy Hospital. Dmand AI links Dr. Siwiec to 2 more hospitals.
What medical group is Dr. Ryan Michael Siwiec part of?
Dr. Siwiec is linked to Center for Advanced Orthopedics and Sports Medicine. Dmand AI links Dr. Siwiec to 1 more medical group.
Does Dr. Ryan Michael Siwiec accept Medicare?
Yes. CMS data shows Dr. Siwiec billed Medicare for 2,775 services in 2024, and Dr. Siwiec accepts Medicare assignment.
How many Medicare patients does Dr. Ryan Michael Siwiec see?
CMS counts 216 Medicare patients who saw Dr. Siwiec in 2024, with an average age of 75.
What services does Dr. Ryan Michael Siwiec bill to Medicare?
In 2024, Dr. Siwiec's most billed Medicare services were injected or infused drug (J7329), injected or infused drug (J3301) and office visit, established patient (99213).
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Where did Dr. Ryan Michael Siwiec go to medical school?
Dr. Siwiec graduated from Michigan State University College of Osteopathic Medicine in 2009.
What drugs does Dr. Ryan Michael Siwiec prescribe most?
In 2024 Medicare Part D data, Dr. Siwiec's most prescribed drugs by claims were Meloxicam, Hydrocodone-Acetaminophen and Tramadol HCl.
Has Dr. Ryan Michael Siwiec received payments from drug or device companies?
CMS Open Payments shows $16,337 in general payments to Dr. Siwiec from 38 companies from 2016 to 2025. The largest total came from Pinnacle, Inc.
How long has Dr. Ryan Michael Siwiec been practicing?
Dr. Siwiec graduated from medical school in 2009, 17 years ago.
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