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Active NPI 1528077856 Individual Practitioner Male Practitioner

Dr. David Mcnamara Lewis , MD

Anesthesiology • Fremont, CA

✓ Accepts Medicare Assignment

Professional Overview & Biography Verified Profile Summary

Dr. David Lewis, MD is a certified Anesthesiology practicing in Fremont, CA. With approximately 39 years of clinical experience since graduating from Wayne State University School Of Medicine in 1987, Dr. Lewis delivers high-quality medical care to the local community at 3200 KEARNEY ST..

Dr. Lewis is affiliated with Sutter Bay Medical Foundation and accepts Medicare assignment.

Frequently performed procedures and clinical services include anesthesia for lens surgery, anesthesia for procedure on large bowel using an endoscope, anesthesia for procedure on small and large bowel using an endoscope. Full Medicare procedure pricing transparency rates and service volume details are listed on this profile.

Practice Location & Contact Primary Location

Practice Address

3200 Kearney St.

Fremont, CA 945381716

Telephone 5104901222
Associated Practice Facility / Clinic
🏢 Sutter Bay Medical Foundation Facility NPI 1982845186

Medicare Profile & Education

Medical School

Wayne State University School Of Medicine

Graduation Year

1987

Medicare Assignment

✓ Accepts Assignment

Telehealth Flag

In-Person Only

Specialty Benchmarks & Practice Insights

Comparative analytics for Anesthesiology in Fremont, CA

Senior Veteran Specialist (>20 Yrs)
Practitioner Clinical Experience
39 Yrs +13.2 yrs vs City Avg
City Avg: 25.8 Yrs
State Avg: 27.4 Yrs
Regional Practice Density
33 Specialists

Practicing in Fremont, CA (7879 Statewide)

Telehealth Adoption Rate
0.0% Regional Adoption

In-Person Office Visits Only

Medicare Pricing Discount
84.2% Avg Savings

Under CMS Medicare Fee Schedule vs Standard Submitted Charges

Clinical Seniority & Experience Comparison

Dr. Lewis (39 Years) 39 Yrs
Fremont Specialty Average (25.8 Years) 25.8 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
00142 Anesthesia for lens surgery
118 118 $874.41 $136.50
00811 Anesthesia for procedure on large bowel using an endoscope
35 35 $920.00 $148.40
00813 Anesthesia for procedure on small and large bowel using an endoscope
17 17 $1177.65 $187.22
00731 Anesthesia for procedure on esophagus, stomach, and/or upper small bowel using an endoscope
14 14 $950.00 $148.97

Medical Specialties & State Licenses

CMS Verified: 2020-05-29
Anesthesiology Primary Specialty

NUCC Taxonomy Code: 207L00000X

State License CA G65631

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
00G656311 (CA)

Hospital & Practice Group Affiliations

Sutter Bay Medical Foundation

3200 Kearney St, Fremont, CA 945382299

Phone: 5104901222

Practice Associates & Co-Workers

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

40 Associated Practitioners
Dr. Lakshmi Srinivasan , MD

Internal Medicine - Endocrinology, Diabetes & Metabolism

NPI 1003002049

Doctor of Medicine (M.D.)

Thomas Kim

Orthopaedic Surgery - Hand Surgery

NPI 1003105032
NPI 1003986084

Doctor of Medicine (M.D.)

NPI 1003989559

Doctor of Podiatric Medicine

Dr. Nancy Wang , MD

Otolaryngology - Plastic Surgery within the Head & Neck

NPI 1013337492

Doctor of Medicine (M.D.)

Zahra Pirani

Emergency Medicine - Pediatric Emergency Medicine

NPI 1013350529

Career & Practice History Timeline

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

7 Historical Events
📍
Updated Business Mailing Address May 29, 2020

Registered at 325 DISTEL CIR, LOS ALTOS, CA 940221408 (Tel: 5104901222)

NPI Profile Active December 08, 2016

NPI status registered as active in NPPES database

📍
Updated Practice Location December 08, 2016

Registered at 3200 KEARNEY ST., FREMONT, CA 945381716 (Tel: 5104901222)

📍
Updated Business Mailing Address December 08, 2016

Registered at 2350 W. EL CAMINO REAL, 2ND FLOOR, MOUNTAIN VIEW, CA 940406203

👤
Provider Name / Credentials Updated December 08, 2016

Recorded as DAVID LEWIS, M.D.

🎓
Medical Taxonomy / Specialty Registered (Primary Specialty) December 08, 2016

Anesthesiology (License #G65631 in CA)

🟢
Initial NPI Registration & Enumeration August 05, 2006

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: 1528077856
Entity Type:
Individual Provider Physician, Nurse Practitioner, or Solo Healthcare Professional (Type 1 NPI)
Enumeration Date: August 05, 2006
Last Update: May 29, 2020
Sole Proprietor: No

Mailing Address

325 Distel Cir

Los Altos, CA 940221408

Phone: 5104901222

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.