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Active NPI 1528460094 Individual Practitioner Male Practitioner

Dr. Steven Howard Lewis , MD

Anesthesiology • Boulder, CO

✓ Accepts Medicare Assignment

Professional Overview & Biography Verified Profile Summary

Dr. Steven Lewis, MD is a certified Anesthesiology practicing in Boulder, CO. With approximately 12 years of clinical experience since graduating from University Of Colorado School Of Medicine, Aurora in 2014, Dr. Lewis delivers high-quality medical care to the local community at 2525 ARAPAHOE AVE # E4-910.

Dr. Lewis is affiliated with Billings Clinic and accepts Medicare assignment.

Frequently performed procedures and clinical services include anesthesia for procedure on large bowel using an endoscope, anesthesia for procedure on small and large bowel using an endoscope, ultrasonic guidance imaging supervision and interpretation for insertion of needle. Full Medicare procedure pricing transparency rates and service volume details are listed on this profile.

Practice Location & Contact Primary Location

Practice Address

2525 Arapahoe Ave # E4-910

Boulder, CO 803026720

Telephone 3036182729

Medicare Profile & Education

Medical School

University Of Colorado School Of Medicine, Aurora

Graduation Year

2014

Medicare Assignment

✓ Accepts Assignment

Telehealth Flag

In-Person Only

Specialty Benchmarks & Practice Insights

Comparative analytics for Anesthesiology in Boulder, CO

Established Specialist (10-20 Yrs)
Practitioner Clinical Experience
12 Yrs -8.6 yrs vs City Avg
City Avg: 20.6 Yrs
State Avg: 24.2 Yrs
Regional Practice Density
36 Specialists

Practicing in Boulder, CO (1245 Statewide)

Telehealth Adoption Rate
0.0% Regional Adoption

In-Person Office Visits Only

Medicare Pricing Discount
78.4% Avg Savings

Under CMS Medicare Fee Schedule vs Standard Submitted Charges

Clinical Seniority & Experience Comparison

Dr. Lewis (12 Years) 12 Yrs
Boulder Specialty Average (20.6 Years) 20.6 Yrs

Performed Procedures & Service Volume

Top Medicare Part B procedures performed by this practitioner

CMS Official Data (2024)
Reporting Year:
HCPCS Code & Description Services Patients Submitted Charge Medicare Allowed
00811 Anesthesia for procedure on large bowel using an endoscope
26 26 $541.50 $117.00

Medical Specialties & State Licenses

CMS Verified: 2025-07-30
Anesthesiology Primary Specialty

NUCC Taxonomy Code: 207L00000X

State License MT 138631

An anesthesiologist is trained to provide pain relief and maintenance, or restoration, of a stable condition during and immediately following an operation or an obstetric or diagnostic procedure. The anesthesiologist assesses the risk of the patient undergoing surgery and optimizes the patient's condition prior to, during and after surgery. In addition to these management responsibilities, the anesthesiologist provides medical management and consultation in pain management and critical care medicine. Anesthesiologists diagnose and treat acute, long-standing and cancer pain problems; diagnose and treat patients with critical illnesses or severe injuries; direct resuscitation in the care of patients with cardiac or respiratory emergencies, including the need for artificial ventilation; and supervise post-anesthesia recovery.

General Acute Care Hospital

NUCC Taxonomy Code: 282N00000X

An acute general hospital is an institution whose primary function is to provide inpatient diagnostic and therapeutic services for a variety of medical conditions, both surgical and non-surgical, to a wide population group. The hospital treats patients in an acute phase of illness or injury, characterized by a single episode or a fairly short duration, from which the patient returns to his or her normal or previous level of activity.

Anesthesiology

NUCC Taxonomy Code: 207L00000X

State License NY 296166

An anesthesiologist is trained to provide pain relief and maintenance, or restoration, of a stable condition during and immediately following an operation or an obstetric or diagnostic procedure. The anesthesiologist assesses the risk of the patient undergoing surgery and optimizes the patient's condition prior to, during and after surgery. In addition to these management responsibilities, the anesthesiologist provides medical management and consultation in pain management and critical care medicine. Anesthesiologists diagnose and treat acute, long-standing and cancer pain problems; diagnose and treat patients with critical illnesses or severe injuries; direct resuscitation in the care of patients with cardiac or respiratory emergencies, including the need for artificial ventilation; and supervise post-anesthesia recovery.

Physician Assistant - Medical

NUCC Taxonomy Code: 363AM0700X

State License NY 296166

Definition to come...

Hospital & Practice Group Affiliations

Billings Clinic

2800 10th Ave N, Billings, MT 591010703

Phone: 4066574000

Career & Practice History Timeline

Chronological log of verified NPI updates, location relocations, credentials, and registry changes

13 Historical Events
🎓
Medical Taxonomy / Specialty Registered (Primary Specialty) July 30, 2025

General Acute Care Hospital

🎓
Medical Taxonomy / Specialty Registered (Primary Specialty) August 05, 2021

Anesthesiology (License #296166 in NY)

NPI Profile Active February 16, 2017

NPI status registered as active in NPPES database

📍
Updated Practice Location February 16, 2017

Registered at 2525 ARAPAHOE AVE # E4-910, BOULDER, CO 803026720 (Tel: 3036182729)

📍
Updated Business Mailing Address February 16, 2017

Registered at 2525 ARAPAHOE AVE # E4-910, BOULDER, CO 803026720 (Tel: 3036182729)

👤
Provider Name / Credentials Updated February 16, 2017

Recorded as STEVEN LEWIS, MD

🎓
Medical Taxonomy / Specialty Registered (Primary Specialty) February 16, 2017

General Acute Care Hospital

NPI Profile Active October 01, 2016

NPI status registered as active in NPPES database

📍
Updated Practice Location October 01, 2016

Registered at 1543 48TH ST, BOULDER, CO 803031143 (Tel: 3036182729)

📍
Updated Business Mailing Address October 01, 2016

Registered at 1543 48TH ST, BOULDER, CO 803031143 (Tel: 3036182729)

👤
Provider Name / Credentials Updated October 01, 2016

Recorded as STEVEN LEWIS, MD

🎓
Medical Taxonomy / Specialty Registered (Primary Specialty) October 01, 2016

General Acute Care Hospital

🟢
Initial NPI Registration & Enumeration September 16, 2014

First registered as active Individual Practitioner in NPPES Database.

Patient & Community Reviews

Verified patient ratings, medical care experiences, and facility photos

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NPI Administrative Meta

NPI Number: 1528460094
Entity Type:
Individual Provider Physician, Nurse Practitioner, or Solo Healthcare Professional (Type 1 NPI)
Enumeration Date: September 16, 2014
Last Update: July 30, 2025
Sole Proprietor: Yes

Mailing Address

2525 Arapahoe Ave # E4-910

Boulder, CO 803026720

Phone: 3036182729

Public Domain Record This profile contains public domain information published by CMS and NPPES under the Freedom of Information Act (FOIA).
⚠️ Medical Disclaimer

This directory listing is for informational purposes only and does not constitute medical advice, diagnosis, or physician endorsement. If you are experiencing a medical emergency, please call 911 immediately.