DR. MARK A. SIEMER D.O.
NPI 1871649368
Family Medicine in Colorado Springs, CO

Q: What is Mark Siemer's NPI number?

The NPI number for Mark Siemer is 1871649368. It was assigned to this individual provider in the NPPES registry on January 26, 2007.

Q: What is Mark Siemer's specialty?

The primary specialty registered for this NPI is Family Medicine with taxonomy code 207Q00000X.

Q: When was this NPI record last updated?

The NPPES record for Mark Siemer was last updated on October 30, 2025. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 9 months ago. If this record has changed at CMS more recently, you can request an on-demand re-check against the live CMS registry, directly from this page.

Active since January 26, 2007PECOS EnrolledAccepts Medicare Assignment

13445 VOYAGER PKWY, COLORADO SPRINGS, CO 80921(719) 365-3220(719) 365-7681 Get Directions Write a Review

NPPES record last updated: October 30, 2025. Verified against the NPPES registry weekly; last sync: July 26, 2026.

Record update history: Apr 27, 2022, Oct 8, 2019, Jan 15, 2019 (3 updates tracked since 2019).

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About Dr. Mark A. Siemer D.o. NPPES

Official registry information on file with the National Plan and Provider Enumeration System.

DR. MARK A. SIEMER D.O. (NPI 1871649368) is an individual family medicine provider in Colorado Springs, Colorado, licensed in Colorado (DR.0034732) and active in the NPI registry since January 2007. He is enrolled in Medicare PECOS, maintains 5 additional practice locations, and is a graduate of Nova Southeastern College Of Osteo Medicine (1994).

NPPES Registry Identity

NPI1871649368

Entity TypeIndividualMale

Primary Taxonomy207Q00000X

Provider Legal NameDR. MARK A. SIEMERCredential: D.O.

Location Address13445 VOYAGER PKWYColorado Springs, CO 80921-7648

Mailing Address13445 Voyager PkwyColorado Springs, CO 80921-7648 · (719) 365-3220 · Fax (719) 365-7681

Phone(719) 365-3220

Fax(719) 365-7681

Sole ProprietorYes

Medical School CMSNova Southeastern College Of Osteo MedicineGraduated 1994

Enumeration DateJanuary 26, 2007

Last NPPES UpdateOctober 30, 20253 updates tracked since enumeration

NPPES CertifiedOctober 30, 2025

✔ NPI 1871649368 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyFamily MedicineAllopathic & Osteopathic Physicians

Taxonomy Code207Q00000X

Licenses✔ Licensed in CO · DR.0034732✔ Licensed in NC · 2005-00115

Definition

Family Medicine is the medical specialty which is concerned with the total health care of the individual and the family. It is the specialty in breadth which integrates the biological, clinical, and behavioral sciences. The scope of family medicine is not limited by age, sex, organ system, or disease entity.

13445 VOYAGER PKWY, Colorado Springs, CO 80921

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Secondary Practice Locations 5

Location 113445 Voyager PkwyColorado Springs, CO 80921-7648 · Phone (719) 365-3220

Location 28420 University Exec Park Dr Ste 850Charlotte, NC 28262 · Phone (704) 316-1750 · Fax (704) 316-1755

Location 3130 Plantation Ridge Dr Ste 100Mooresville, NC 28117-9239 · Phone (704) 316-1635 · Fax (704) 316-1636

Location 44707 S Helena WayAurora, CO 80015 · Phone (720) 326-5032 · Fax (303) 693-8076

Location 5265 Tanglewood Ln, Ste E-1Silverthorne, CO 80498-5314 · Phone (970) 468-1003 · Fax (970) 262-2196

Accepted Insurance

The full list of accepted plans is on the Insurance tab. Issuers include Providence Health Plan.Insurance ›

Medicare Participation & PECOS CMS

Medicare enrollment, assignment, and ordering and referring status from the CMS PECOS system.

Medicare Enrollment Status

✔

Enrolled in Medicare and accepts Medicare assignment

Dr. Mark A. Siemer D.o. is registered in PECOS and agrees to accept the Medicare-approved amount as full payment. Medicare patients are not billed beyond the standard deductible and coinsurance.

PECOS PAC ID4284520495

PECOS Enrollment IDI20040225000271

Eligible to Order & Refer✔ Part B Labs & Imaging✔ Durable Medical Equipment✔ Home Health Agency✔ Power Mobility DevicesPer the CMS Ordering and Referring file. Eligibility means Medicare pays claims that this provider orders or refers for these categories.

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 80921 ZIP code area, from fee-for-service claims. These are area statistics, not this provider’s prices; actual charges vary by service and coverage.

New Patient

$89.43 typical visit price

range $58.06 – $174.82

Typical copayment $22.35 (range $14.51 – $43.70)

Most-billed visit code 99203

Established Patient

$102.03 typical visit price

range $18.88 – $142.79

Typical copayment $25.50 (range $4.72 – $35.69)

Most-billed visit code 99214

Amounts reflect what Medicare beneficiaries in this ZIP area are typically charged for office visits. Patients with other coverage should check their individual plans.

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Other Providers at the Same Location NPPES 8

Providers registered at the same practice address, or within the immediate area, according to the NPPES registry.

DAVID LINDBLAD EMPA-C

Physician Assistant