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Edit this profileAt a glance
- 12605 E 16Th Ave, Aurora, CO 80045
About Dr. Marshall
William Marshall, M.D. practices trauma surgery in Aurora, CO. William is a 2016 graduate of Indiana University School of Medicine. William is also listed as specializing in surgery. Medicare claims data shows William provided 169 services to 106 patients. The services billed most often include critical care, first 30-74 minutes, subsequent hospital care with moderate levelof medical decision making, if using time, at least 50 minutes, and subsequent hospital care with moderate levelof medical decision making, if using time, at least 35 minutes. The provider's National Provider Identifier (NPI) is 1649634981.
Factual summary compiled by Guide.md from public records; not written by this provider.
Education & Training
Specialty
Credentials & Licensing
Medicare information
Exactly as CMS reports it (National Downloadable File, Opt-Out Affidavits, Order & Referring). Not an insurance directory; confirm coverage with the office.
Contact Information
- (720) 848-0000
- Email not available
Practice Locations
12605 E 16TH AVE
Aurora, CO 80045
Procedures Most Often Billed to Medicare
169 services · 106 patients · 5 distinct codes
| Procedure | Type | Code | Services | Compared with peers |
|---|---|---|---|---|
| Critical care, first 30-74 minutes | Office visit | 99291 |
45 | As often as other peers in Trauma Surgery |
| Subsequent hospital care with moderate levelof medical decision making, if using time, at least 50 minutes | Office visit | 99233 |
41 | As often as other peers in Trauma Surgery |
| Subsequent hospital care with moderate levelof medical decision making, if using time, at least 35 minutes | Office visit | 99232 |
32 | Less often than most peers in Trauma Surgery |
| Initial hospital care with moderate level of medical decision making, if using time, at least 75 minutes | Office visit | 99223 |
31 | As often as other peers in Trauma Surgery |
| Emergency department visit with moderate level of medical decision making | Office visit | 99284 |
20 | As often as other peers in Trauma Surgery |
Source: CMS Medicare public data. Shows how often procedures were billed — not quality of care or patient satisfaction.
Related providers
Connections drawn from the registry and from what providers have told us. A link here is not a referral or an endorsement.
Other trauma surgeons at this location 3
Same specialty, same street address — most likely the same department or group.
Related specialists at this location 3
Clinically related specialties at the same address — the people this provider most likely works alongside.
Also at this address 4
Providers at the same street address. Each files their own registry entry, so a shared practice often appears under several different names.
More connections — 21 related providers in 3 groups
Other trauma surgeons in Aurora 5
Same specialty, same city.
Trained at Indiana University School of Medicine 8
Other providers in the same specialty who trained at the same institution.
Class of 2016 at Indiana University School of Medicine 8
Providers who graduated from the same medical school in the same year.
Common questions
What is William Marshall's specialty?
William Marshall is a trauma surgeon in Aurora, CO. That is the designation recorded for this NPI in the federal registry, where it is listed as “Trauma Surgery”.
NPI registry
Where can I find William Marshall?
William Marshall is listed at 12605 E 16Th Ave, Aurora, CO 80045. Addresses come from the NPI registry and can lag a move, so confirm before travelling.
NPI registry
How do I contact William Marshall?
The number on file is (720) 848-0000. Contact the office directly to confirm availability and scheduling.
NPI registry
What is the NPI for William Marshall?
William Marshall's National Provider Identifier is 1649634981. It is issued by the Centers for Medicare & Medicaid Services and is unique and permanent — it does not change if they move practice.
NPI registry
What is William Marshall's education?
William Marshall attended Indiana University School of Medicine, graduating in 2016. This comes from the CMS National Downloadable File.
CMS public data
How much experience does William Marshall have?
William Marshall has 10 years experience. Calculated from a graduation year of 2016, reported in the CMS National Downloadable File.
CMS public data
What is William Marshall known for?
According to Medicare billing data, William Marshall the Medicare record under this individual NPI shows mainly office visits and diagnostic testing. Hospital-based physicians usually have their procedural work billed by the facility rather than under their own number, so this is a floor on their practice, not a description of it. This reflects Medicare patients only and is billing volume, not a measure of quality.
Medicare claims
Is William Marshall's profile verified?
Not yet. This profile is built from public federal data and has not been confirmed by William Marshall. If this is you, claiming it is free.
Guide.md
Guide.md listings do not constitute medical advice or an endorsement.