Doctor profile · Federal record

Dr. Oscar Lewis, CRNA

Certified Registered Nurse Anesthetist (CMS: Certified Registered Nurse Anesthetist (CRNA)) · Registered Nurse · Certified Registered Nurse Anesthetist · Chattanooga, TN

  • NPI 1881660033
  • Accepts Medicare
  • 22 yrs in practice
  • Licensed in 2 states
  • Male
  • Group practice
  • No sanctions

Practice & contact

NPPES Updated May 11, 2026
Primary practice
975 E. Third Street
Chattanooga, TN 374032147
(423) 778-7608
fax (423) 778-2360
Mailing address
Po Box 11225
Chattanooga, TN 374012225

Credentials & registration

NPPES · NUCC
NPI registered
February 2006 — 20 yrs on file
Profile last updated
April 30, 2010
Year of graduation
2004 — 22 yrs since
Specialty taxonomy
367500000X — NUCC code
State licenses (3)
Tennessee #APN11239 · Tennessee #RN107152 · Georgia #RN127955
Medicaid (5)
NC #8053405 · TN #1512182 · TN #3634675 · AL #109573 · GA #177060840A

Federal sanctions & exclusions

OIG LEIE Updated May 11, 2026

No sanctions, exclusions or revocations on file

Checked against OIG LEIE on NPI 1881660033. Last verified May 11, 2026.

Medicare procedures · 2023

Top services delivered

CMS Provider Utilization
Total services
51
Distinct HCPCS
3
Medicare allowed
$8,924
HCPCS Description Services Patients Avg allowed
00811 Anesthesia for other procedure on large bowel using an endoscope 20 20 $126
00731 Anesthesia for other procedure on esophagus, stomach, or upper small bowel using an endoscope 16 16 $125
01402 Anesthesia for procedure for total knee joint replacement 15 15 $293

In context: peer comparison

Among 113 peers in Chattanooga Certified Registered Nurse Anesthetist, average services per provider: 28. This provider delivers 1.8× the peer median.

Open Payments

Industry payments received

CMS Open Payments
All-time total
$90
Transactions
4
Manufacturers
2
Payer (manufacturer) Industry Txns Amount
Merck Sharp & Dohme LLC 3 $62.63
Conmed Corporation 1 $27.14

By nature of payment

Food and Beverage
$90

Hospital affiliations

CMS Hospital Compare

Frequently asked questions

Auto-generated from federal data
What is Dr. Oscar Lewis's medical specialty?
Dr. Oscar Lewis practices Certified Registered Nurse Anesthetist in Chattanooga, TN.
Where does Dr. Oscar Lewis practice?
Dr. Oscar Lewis practices at 975 E. Third Street, Chattanooga, TN 374032147. Office phone: 4237787608.
What is Dr. Oscar Lewis's NPI?
Dr. Oscar Lewis's National Provider Identifier (NPI) is 1881660033, issued by NPPES.
Does Dr. Oscar Lewis accept Medicare assignment?
Yes. Dr. Oscar Lewis accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.
What procedures does Dr. Oscar Lewis commonly perform?
Top Medicare-reported procedures in 2023: Anesthesia for other procedure on large bowel using an endoscope (HCPCS 00811); Anesthesia for other procedure on esophagus, stomach, or upper small bowel using an endoscope (HCPCS 00731); Anesthesia for procedure for total knee joint replacement (HCPCS 01402). Source: CMS Medicare Physician & Other Practitioners file.