Dr. Gregory Stiegmann , MD
Surgery - Trauma Surgery • Aurora, CO
12605 E 16th Ave
Aurora, CO 800452545
This profile restates public CMS/NPPES data; T-MedInfo gives no medical advice — consult a licensed professional, and call 911 for emergencies.
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Dr. Gregory Stiegmann is listed in NPPES under Surgery - Trauma Surgery.
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NPI assigned on October 3, 2006; this date does not establish years in practice.
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Published CMS data list 89 Original Medicare Part B services in 2018.
Source: CMS, Medicare Physician & Other Practitioners – by Provider and Service, 2018. Published rows only; this is not a quality measure.
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Published Part B service records, 2018:
- 99203 — New patient outpatient office visit: 30 service units.
- 99202 — New patient outpatient office visit: 28 service units.
- 49505 — Repair of groin hernia (5 years or older): 18 service units.
Source: CMS, Medicare Physician & Other Practitioners – by Provider and Service, 2018. Units differ by code; these are not visits or a measure of quality.
CPT® only copyright 2017 American Medical Association. All rights reserved. Service names are shortened from CPT Consumer Friendly Descriptors (CMS data, 2018). CPT notice
See all 4 records in the table · Guide: How to read Medicare Part B data
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Medicare Part B services went from 117 in 2017 to 89 in 2018.
Source: CMS, Medicare Physician & Other Practitioners – by Provider and Service, 2017–2018.
Practice Location & Contact Primary Location
12605 E 16th Ave
Aurora, CO 800452545
Matched by practice address or phone in NPPES. A shared address or phone does not confirm that this clinician works there.
What Public CMS Data Show
Surgery - Trauma Surgery: NPPES taxonomy is a reported classification, not proof of board certification.
Medicare-allowed amount
About $14,136 in 2018
The total amount Medicare approved for these services in 2018. It includes what Medicare paid and what patients or their other insurance owed, such as the deductible and coinsurance.
It shows the total cost of this clinician's Original Medicare services under Medicare's fee rules.
What this does not show: Medicare-allowed amount
This is not the clinician's income. Part of it can go to a clinic or group practice, staff, equipment or drugs. It is not the price you will pay.
Source: CMS, Medicare Physician & Other Practitioners – by Provider and Service, 2018.
Paid by Medicare
About $10,411 in 2018
The part of the Medicare-allowed amount that Medicare itself paid in 2018, after patients' deductibles and coinsurance.
The gap between the allowed amount and this number is roughly what patients and their other insurance paid.
What this does not show: Paid by Medicare
This is not the clinician's income and not a measure of quality.
Source: CMS, Medicare Physician & Other Practitioners – by Provider and Service, 2018.
Industry payments (Open Payments)
No Open Payments records are listed for this clinician for 2019–2025.
NPI first issued
2006
The year this clinician's National Provider Identifier (NPI) was issued. An NPI is a unique 10-digit ID that US health care providers use for billing.
What this does not show: NPI first issued
NPIs have been issued only since 2005, so this year is not necessarily when the clinician started practicing.
Source: CMS NPPES NPI Registry.
Medicare assignment not listed
CMS data do not show whether this clinician accepts Medicare assignment. This does not mean they do not accept Medicare. Ask the office.
Medicare assignment applies to Original Medicare. It does not tell you whether the clinician is in a Medicare Advantage plan's network, accepts other insurance, or is taking new patients.
Source: CMS Doctors and Clinicians; Medicare.gov, “Does your provider accept Medicare as full payment?”
No telehealth indicator
CMS shows this indicator only when recent Medicare claims include telehealth services. The clinician may still offer telehealth; ask the office.
Source: CMS, Telehealth Indicator on Medicare Care Compare (fact sheet, January 2023); CMS Doctors and Clinicians.
Compared with the same specialty in Aurora and Colorado
Billing and prescribing volume is not a quality rating.
Medicare Part B
Comparisons use 2024 data. The latest CMS data for Dr. Stiegmann are from 2018.
24 active clinicians are listed under Surgery - Trauma Surgery with a practice address in Aurora, CO (44 in Colorado).
Addresses are self-reported to NPPES and may be out of date.
Telehealth indicator in Aurora
25% of these 24 clinicians have the CMS telehealth indicator.
83.3% of these 24 clinicians are listed by CMS as accepting Medicare assignment.
CMS data by year
Changes may reflect reporting, coverage or privacy limits, not changes in care quality.
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Medicare Part B services
Medicare Part B services decreased 24% from 117 in 2017 to 89 in 2018.
- 2017: 117
- 2018: 89
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Medicare-allowed amount
Medicare-allowed amount decreased 23% from $18,468 in 2017 to $14,136 in 2018.
- 2017: $18,468
- 2018: $14,136
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Paid by Medicare
Paid by Medicare decreased 27% from $14,281 in 2017 to $10,411 in 2018.
- 2017: $14,281
- 2018: $10,411
Sources: CMS Medicare Physician & Other Practitioners (2018), CMS Doctors and Clinicians, CMS NPPES NPI Registry. Specialty names follow the NUCC Health Care Provider Taxonomy.
Text: T-MedInfo · Report an error.
Performed Procedures & Service Volume
CPT® is a registered trademark of the American Medical Association. CPT codes, descriptions and other data only are copyright 2016–2017 American Medical Association. All rights reserved. Applicable FARS/HHSARS apply. Descriptions of CPT codes are the AMA's CPT Consumer Friendly Descriptors as published by CMS in the Medicare Physician & Other Practitioners – by Provider and Service data, 2017–2018; they are plain-language summaries, not for clinical coding or documentation. HCPCS Level II codes and descriptions are from CMS. Fee schedules, relative value units, conversion factors and/or related components are not assigned by the AMA, are not part of CPT, and the AMA is not recommending their use. The AMA does not directly or indirectly practice medicine or dispense medical services. The AMA assumes no liability for data contained or not contained herein.
| HCPCS Code | Services | Patients | Submitted Charge | Medicare Allowed |
|---|---|---|---|---|
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99203
New patient office or other outpatient visit with low level of medical decision making, if using time, 30 minutes or more
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30 | 30 | $320.03 | $77.59 |
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99202
New patient office or other outpatient visit with straightforward medical decision making, if using time, 15 minutes or more
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28 | 28 | $223.36 | $51.13 |
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49505
Repair of groin hernia (5 years or older)
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18 | 18 | $2657.00 | $539.05 |
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99213
Established patient office or other outpatient visit with low level od decision making, if using time, 20 minutes or more
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13 | 12 | $222.08 | $51.79 |
Source: CMS Part B by Provider and Service, 2018; services under 11 beneficiaries omitted by CMS. Privacy limits
Submitted charges are billed amounts, not a price quote for your visit.
Specialties & License Numbers Reported to NPPES
NUCC Taxonomy Code: 2086S0127X
Trauma surgery is a recognized subspecialty of general surgery. Trauma surgeons are physicians who have completed a five-year general surgery residency and usually continue with a one to two year fellowship in trauma and/or surgical critical care, typically leading to additional board certification in surgical critical care. There is no trauma surgery board certification at this point. To obtain board certification in surgical critical care, a fellowship in surgical critical care or anesthesiology critical care must be completed during or after general surgery residency.
NUCC Taxonomy Code: 208600000X
A general surgeon has expertise related to the diagnosis - preoperative, operative and postoperative management - and management of complications of surgical conditions in the following areas: alimentary tract; abdomen; breast, skin and soft tissue; endocrine system; head and neck surgery; pediatric surgery; surgical critical care; surgical oncology; trauma and burns; and vascular surgery. General surgeons increasingly provide care through the use of minimally invasive and endoscopic techniques. Many general surgeons also possess expertise in transplantation surgery, plastic surgery and cardiothoracic surgery.
Additional State Medicaid & Healthcare Payer Identifiers
Clinicians Sharing This Practice Address or Phone
Clinicians sharing this NPPES address, phone or fax; a shared contact does not mean they work together.
Internal Medicine - Advanced Heart Failure and Transplant Cardiology
Doctor of Medicine (M.D.)
Physical Medicine & Rehabilitation
Doctor of Medicine (M.D.)
Pathology - Anatomic Pathology & Clinical Pathology
Doctor of Medicine (M.D.)
Obstetrics & Gynecology - Gynecologic Oncology
Doctor of Medicine (M.D.)
Internal Medicine - Hospice and Palliative Medicine
Doctor of Medicine (M.D.)
Emergency Medicine
Doctor of Medicine (M.D.)
Career & Practice History
NPI enumerated October 03, 2006.
No changes to the name, practice address, taxonomy or NPI status in this record have been observed in the monthly NPPES data files from January 2017 to August 2026.
NPI Administrative Meta
Other Surgery - Trauma Surgery Specialists in Aurora
- Dr. Meaghan Broderick, MD
- Dr. Alexander Warshauer, MD, MBA
- Dr. Mitchell Cohen, MD
- Dr. Daniel Horwitz, MD MBA
- Dr. David Livingston, MD
- Dr. Kevin Blair, MD, MSC
Mailing Address
Po Box 110429
Aurora, CO 800420429
Phone: 3034937000