Provider records sourced from NPPES (CMS National Plan & Provider Enumeration System). Data current as of October 4, 2026.
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Dr. Stephen Layne, MD

Individual provider Anesthesiology Physician · NPI 1265461651

Dr. Stephen Layne, MD practises Anesthesiology in Boulder, Colorado. Graduated from Mayo Medical School in 1991, 35 years ago. Practices with Boulder Valley Anesthesiology, PLLC, a 60-clinician group and accepts Medicare assignment. Licensed in Colorado.

Years since qualifying
35
Trained at
Mayo Medical School
Licensed in
CO
In the registry since
2006
What do these letters mean?
MD — Doctor of Medicine
A physician who completed allopathic medical school.

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Practice location Address checks out

1100 Balsam Ave
Boulder, CO 80304-3404 Not confirmed with CMS for 19 years — call before visiting
Phone: (303) 440-2092
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Pin is approximate — placed at the ZIP-code centre, not the exact door.

Specialties & licences

Anesthesiology Physician (primary) Taxonomy 207L00000X · Licence 34698 (CO)

Record details

NPI number1265461651
Entity typeIndividual (Type 1)
GenderMale
Credentials MD
Sole proprietorNo
NPI enumeratedJune 30, 2006
Last updated in NPPESSeptember 28, 2007

Medicare enrollment

From the CMS Doctors & Clinicians file — this clinician is enrolled in Medicare.

Medicare specialtyANESTHESIOLOGY
Medical schoolMAYO MEDICAL SCHOOL
Graduated 1991 (35 years in practice)
Group practice Boulder Valley Anesthesiology, Pllc — 60 clinicians
Accepts Medicare assignment Yes — accepts the Medicare-approved amount

Medicare patients and services, 2024

From the CMS Medicare Physician & Other Practitioners file for calendar year 2024. It counts Original Medicare patients only, so a practice that mostly sees Medicare Advantage or privately insured patients looks smaller here than it is.

Medicare patients210
Services billed 249 a service is one billed item, such as a visit, a test or a procedure
Average patient age74

Dollar amounts are not shown. What Medicare pays a practice is gross billings, before staff, premises and tax and including the cost of any drugs it administers, so it is not what a clinician earns.

Practises at

Facilities the CMS Facility Affiliation file lists for this clinician.

Colleagues at Boulder Valley Anesthesiology, PLLC

Clinicians the CMS Doctors & Clinicians file lists under the same group practice. CMS counts 60 clinicians in the practice; 12 are shown here.

Other providers in Boulder