Mark A. Siemer, D.O.
Family Medicine · Colorado Springs, CO
At a glance
13445 Voyager Pkwy, Colorado Springs, CO 80921-7648
NPPES record updated Oct 30, 2025. Public records can lag behind changes at a practice.
Before you call: a quick checklist
- Are you accepting new patients?
- Do you accept my specific insurance plan?
- Do you provide the service I need at this address?
- Do I need a referral, and what is the earliest appointment?
Insurance participation and appointment availability are not established by these public records.
Medicare & insurance
Insurance participation is not established by these public records. Ask the practice and your insurer about your specific plan and this location.
How to check your coverage
Use your plan’s provider directory or the member-services number on your insurance card. Confirm the clinician, practice address, service, and whether a referral is required. A missing opt-out record does not establish Medicare acceptance.
Check the official Medicare directory ↗Practice location
13445 Voyager PkwyColorado Springs, CO 80921-7648
Additional reported practice locations
13445 Voyager PkwyColorado Springs, CO 809217648
Phone: 7193653220 8420 University Exec Park Dr Ste 850
Charlotte, NC 28262
Phone: 7043161750
Fax: 7043161755 130 Plantation Ridge Dr Ste 100
Mooresville, NC 281179239
Phone: 7043161635
Fax: 7043161636 8420 University Exec Park Dr Ste 850
Charlotte, NC 28262
Phone: 7043161750
Fax: 7043161755 4707 S Helena Way
Aurora, CO 80015
Phone: 7203265032
Fax: 3036938076 265 Tanglewood Ln
Ste E-1
Silverthorne, CO 804985314
Phone: 9704681003
Fax: 9702622196 8420 University Exec Park Dr Ste 850
Charlotte, NC 28262
Phone: 7043161750
Fax: 7043161755 4707 S Helena Way
Aurora, CO 80015
Phone: 7203265032
Fax: 3036938076
Education & affiliations
- Medical / professional school
- Nova Southeastern College Of Osteo Medicine
- Graduation year
- 1994
- CMS specialties
- Family Practice
Practice groups
Reported hospital affiliations
- St Anthony Summit Medical Center Frisco, CO
Graduation year does not establish years in practice. A reported affiliation does not establish employment, current admitting privileges, or insurance participation.
Source: CMS National Downloadable File · Published Oct 15, 2026.
Source: CMS Facility Affiliation Data · Published Oct 15, 2026.
Procedures in the public data
Reported activity can help you ask more informed questions about a practice’s services.
No displayed procedure-category record in this release. This does not mean the clinician performs no procedures.
CMS uses a one-year claims window with a reporting lag. Counts cover the Medicare activity included by CMS, not all patients. “1–10” is a published range. Volume is not a quality or outcomes score. Coverage and methodology
Source: CMS Utilization Data · Published Oct 15, 2026.
Service-mix comparison is unavailable for this NPI in the imported Medicare service file.
Industry-reported general payments
No matching general-payment summary in the imported release. This is not a verified zero and does not rule out other payment types or years.
Source: CMS 2025 payments grouped by covered recipient and nature of payments · Published Jun 30, 2026.
Professional details: NPI, taxonomy & registry record
Registry details
- Primary taxonomy
- Family Medicine
- Taxonomy code
- 207Q00000X
- Enumeration date
- Jan 26, 2007
- Record updated
- Oct 30, 2025
More registry details
- Provider type
- Individual · Type 1
- Reported credentials
- D.O.
Reported taxonomies and licenses
207Q00000X
License reported: 2005-00115 NC
207Q00000X · Primary
License reported: DR.0034732 CO
License numbers and credentials are reported to NPPES; HCPList does not independently verify them.
Practice location
13445 Voyager PkwyColorado Springs, CO 80921-7648
- Phone
- (719) 365-3220
- Fax
- (719) 365-7681
Mailing address
13445 VOYAGER PKWYCOLORADO SPRINGS, CO 809217648
Information may be outdated or incomplete. Confirm details directly with the practice. HCPList is an independent directory and is not affiliated with CMS.
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