Independent US Healthcare Provider Directory & Public Medical Database
Active NPI 1942282280 Individual Practitioner Male Practitioner

Dr. Mark S Lewis , MD

Anesthesiology • Boston, MA

✓ Accepts Medicare Assignment

Professional Overview & Biography Verified Profile Summary

Dr. Mark Lewis, MD is a certified Anesthesiology practicing in Boston, MA. With approximately 43 years of clinical experience since graduating from Js Weill Medical College, Cornell University in 1983, Dr. Lewis delivers high-quality medical care to the local community at 800 WASHINGTON ST.

Dr. Lewis is affiliated with Pratt Anesthesiology Associates Inc and accepts Medicare assignment.

Frequently performed procedures and clinical services include injection of anesthetic agent, brachial (arm) nerve bundle, ultrasonic guidance imaging supervision and interpretation for insertion of needle, injection of anesthetic agent, other peripheral nerve or branch. Full Medicare procedure pricing transparency rates and service volume details are listed on this profile.

Practice Location & Contact Primary Location

Practice Address

800 Washington St
#298

Boston, MA 02111

Telephone 6176365000
Fax 6176361465
Associated Practice Facility / Clinic

Medicare Profile & Education

Medical School

Js Weill Medical College, Cornell University

Graduation Year

1983

Medicare Assignment

✓ Accepts Assignment

Telehealth Flag

In-Person Only

Specialty Benchmarks & Practice Insights

Comparative analytics for Anesthesiology in Boston, MA

Senior Veteran Specialist (>20 Yrs)
Practitioner Clinical Experience
43 Yrs +24.8 yrs vs City Avg
City Avg: 18.2 Yrs
State Avg: 27.4 Yrs
Regional Practice Density
1102 Specialists

Practicing in Boston, MA (2146 Statewide)

Telehealth Adoption Rate
1.7% Regional Adoption

In-Person Office Visits Only

Medicare Pricing Discount
81.1% Avg Savings

Under CMS Medicare Fee Schedule vs Standard Submitted Charges

Clinical Seniority & Experience Comparison

Dr. Lewis (43 Years) 43 Yrs
Boston Specialty Average (18.2 Years) 18.2 Yrs

Performed Procedures & Service Volume

Top Medicare Part B procedures performed by this practitioner

CMS Official Data (2023)
Reporting Year:
HCPCS Code & Description Services Patients Submitted Charge Medicare Allowed
64415 Injection of anesthetic agent, brachial (arm) nerve bundle
11 11 $385.92 $72.94

Medical Specialties & State Licenses

Anesthesiology Primary Specialty

NUCC Taxonomy Code: 207L00000X

State License MA 55261

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.

Additional State Medicaid & Healthcare Payer Identifiers

Medicaid State Provider ID
3050297 (MA)
Commercial Insurance / Payer ID Aetna Us Healthcare
82971 (MA)
Commercial Insurance / Payer ID Harvard Pilgrim Healthcar
613824 (MA)
Commercial Insurance / Payer ID Tufts Healthplan
055261 (MA)
Commercial Insurance / Payer ID United Healthcare
2000005 (MA)
Commercial Insurance / Payer ID Blue Cross/shield Ma
J05103LE (MA)
Commercial Insurance / Payer ID Aetna
5586023 (MA)

Hospital & Practice Group Affiliations

Pratt Anesthesiology Associates Inc

800 Washigton St, Boston, MA 021111552

Phone: 6176366044

Practice Associates & Co-Workers

Healthcare professionals and specialists practicing at this location or sharing practice phone/fax

40 Associated Practitioners
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Doctor of Medicine (M.D.)

NPI 1003918954

Doctor of Medicine (M.D.)

Colleen Mcartor , CRNA

Nurse Anesthetist, Certified Registered

NPI 1003948282

Certified Registered Nurse Anesthetist

Career & Practice History Timeline

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

11 Historical Events
NPI Profile Active April 27, 2017

NPI status registered as active in NPPES database

📍
Updated Practice Location April 27, 2017

Registered at 800 WASHINGTON ST, #298, BOSTON, MA 02111 (Tel: 6176365000)

📍
Updated Business Mailing Address April 27, 2017

Registered at 800 WASHINGTON STREET, #298, BOSTON, MA 02111 (Tel: 6176365000)

👤
Provider Name / Credentials Updated April 27, 2017

Recorded as MARK LEWIS, M.D.

🎓
Medical Taxonomy / Specialty Registered (Primary Specialty) April 27, 2017

Anesthesiology (License #55261 in MA)

NPI Profile Active October 25, 2016

NPI status registered as active in NPPES database

📍
Updated Practice Location October 25, 2016

Registered at 800 WASHINGTON ST, BOSTON, MA 021111552 (Tel: 6176365000)

📍
Updated Business Mailing Address October 25, 2016

Registered at 2400 BEACON ST, UNIT 403, CHESTNUT HILL, MA 024671467 (Tel: 7814077713)

👤
Provider Name / Credentials Updated October 25, 2016

Recorded as MARK LEWIS, M.D.

🎓
Medical Taxonomy / Specialty Registered (Primary Specialty) October 25, 2016

Anesthesiology (License #55261 in MA)

🟢
Initial NPI Registration & Enumeration November 14, 2005

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: 1942282280
Entity Type:
Individual Provider Physician, Nurse Practitioner, or Solo Healthcare Professional (Type 1 NPI)
Enumeration Date: November 14, 2005
Last Update: April 27, 2017
Sole Proprietor: No

Mailing Address

800 Washington Street, #298

Boston, MA 02111

Phone: 6176365000

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.