Active NPI 1609168814 Individual Practitioner Male Practitioner

Dr. Thaddeus O'barr , MD

Anesthesiology • Orange, CA

✓ Accepts Medicare Assignment

Professional Overview & Biography Verified Profile Summary

Dr. Thaddeus O'Barr, MD is a certified Anesthesiology practicing in Orange, CA. With approximately 15 years of clinical experience since graduating from University Of California, Irvine, California College Of Medicine in 2011, Dr. O'Barr delivers high-quality medical care to the local community at 681 S PARKER ST STE 150.

Dr. O'Barr maintains professional affiliations with Orange Coast Anesthesia Inc, Clarity Anesthesia Medical Group, Premiercare Anesthesia Fountain Valley Inc and accepts Medicare assignment.

Frequently performed procedures and clinical services include injection of anesthetic agent and/or steroid into thigh nerve (femoral nerve), ultrasonic guidance imaging supervision and interpretation for insertion of needle, anesthesia for procedure on esophagus, stomach, and/or upper small 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

681 S Parker St Ste 150

Orange, CA 92868

Telephone 7147440900

Fax 7147449232

Associated Practice Facility / Clinic

🏢 Sweet Dreams Anesthesia And Pain Management A Medical Corporation Facility NPI 1770672131

Medicare Profile & Education

Medical School

University Of California, Irvine, California College Of Medicine

Graduation Year

2011

Medicare Assignment

✓ Accepts Assignment

Telehealth Flag

In-Person Only

Specialty Benchmarks & Practice Insights

Comparative analytics for Anesthesiology in Orange, CA

Established Specialist (10-20 Yrs)

Practitioner Clinical Experience

15 Yrs -3.0 yrs vs City Avg

City Avg: 18.0 Yrs

State Avg: 27.4 Yrs

Regional Practice Density

269 Specialists

Practicing in Orange, CA (7879 Statewide)

Telehealth Adoption Rate

0.0% Regional Adoption

In-Person Office Visits Only

Medicare Pricing Discount

95.4% Avg Savings

Under CMS Medicare Fee Schedule vs Standard Submitted Charges

Clinical Seniority & Experience Comparison

Dr. O'barr (15 Years) 15 Yrs

Orange Specialty Average (18.0 Years) 18.0 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
64447 Injection of anesthetic agent and/or steroid into thigh nerve (femoral nerve)	21	21	$2275.71	$55.16
76942 Ultrasonic guidance imaging supervision and interpretation for insertion of needle	19	18	$675.07	$30.87
00731 Anesthesia for procedure on esophagus, stomach, and/or upper small bowel using an endoscope	18	17	$2819.26	$137.41
64488 Injections of local anesthetic for pain control and abdominal wall analgesia on both sides	17	17	$3577.33	$69.08
01402 Anesthesia for procedure for total knee joint replacement	15	14	$5728.47	$378.96
00811 Anesthesia for procedure on large bowel using an endoscope	13	13	$2594.80	$123.48
01480 Anesthesia for open procedure on bones of lower leg, ankle and foot	12	12	$3554.14	$182.53
00910 Anesthesia for other procedure on urinary system through urethra	11	11	$4094.43	$211.07
64415 Injection of anesthetic agent, brachial (arm) nerve bundle	11	11	$1973.16	$70.53

HCPCS Code & Description	Services	Patients	Submitted Charge	Medicare Allowed
76942 Ultrasonic guidance imaging supervision and interpretation for insertion of needle	34	34	$363.58	$31.82
64447 Injection of anesthetic agent and/or steroid into thigh nerve (femoral nerve)	27	27	$1299.58	$48.56
00731 Anesthesia for procedure on esophagus, stomach, and/or upper small bowel using an endoscope	23	23	$1814.52	$135.69
01402 Anesthesia for procedure for total knee joint replacement	21	21	$4750.77	$382.56
62322 Injection of substance into lower spine canal	19	19	$1742.36	$84.04
64488 Injections of local anesthetic for pain control and abdominal wall analgesia on both sides	17	17	$1588.11	$70.50
00811 Anesthesia for procedure on large bowel using an endoscope	16	16	$1974.05	$138.37
01480 Anesthesia for open procedure on bones of lower leg, ankle and foot	13	11	$2279.31	$190.37
00813 Anesthesia for procedure on small and large bowel using an endoscope	13	13	$2445.38	$173.78
64415 Injection of anesthetic agent, brachial (arm) nerve bundle	11	11	$1293.54	$72.16

HCPCS Code & Description	Services	Patients	Submitted Charge	Medicare Allowed
00142 Anesthesia for lens surgery	49	49	$629.59	$141.75
76942 Ultrasonic guidance imaging supervision and interpretation for insertion of needle	41	41	$244.88	$32.99
64447 Injection of anesthetic agent and/or steroid into thigh nerve (femoral nerve)	22	22	$1010.91	$40.90
64450 Injection of anesthetic agent, other peripheral nerve or branch	17	17	$910.00	$26.95
01402 Anesthesia for procedure for total knee joint replacement	17	17	$3005.47	$362.62
00731 Anesthesia for procedure on esophagus, stomach, and/or upper small bowel using an endoscope	15	14	$1539.67	$148.34
62322 Injection of substance into lower spine canal	14	14	$1452.00	$87.25
64415 Injection of anesthetic agent, brachial (arm) nerve bundle	12	12	$1017.33	$67.13

HCPCS Code & Description	Services	Patients	Submitted Charge	Medicare Allowed
76942 Ultrasonic guidance imaging supervision and interpretation for insertion of needle	33	33	$253.33	$33.51
00731 Anesthesia for procedure on esophagus, stomach, and/or upper small bowel using an endoscope	27	27	$1390.63	$140.62
00813 Anesthesia for procedure on small and large bowel using an endoscope	17	17	$1644.82	$171.42
64447 Injection of anesthetic agent and/or steroid into thigh nerve (femoral nerve)	15	15	$1042.00	$47.69
01402 Anesthesia for procedure for total knee joint replacement	14	14	$3129.86	$360.73

HCPCS Code & Description	Services	Patients	Submitted Charge	Medicare Allowed
00731 Anesthesia for procedure on esophagus, stomach, and/or upper small bowel using an endoscope	36	36	$1634.72	$147.76
76942 Ultrasonic guidance imaging supervision and interpretation for insertion of needle	35	35	$276.80	$32.78
00790 Anesthesia for procedure in upper abdomen including use of an endoscope	16	16	$4353.00	$393.38
64447 Injection of anesthetic agent and/or steroid into thigh nerve (femoral nerve)	15	15	$1243.20	$37.68
36620 Insertion of artery tube for blood sampling or infusion through skin	13	13	$546.00	$48.09
01402 Anesthesia for procedure for total knee joint replacement	12	12	$4440.50	$358.66
62322 Injection of substance into lower spine canal	11	11	$1452.00	$86.28

HCPCS Code & Description	Services	Patients	Submitted Charge	Medicare Allowed
00731 Anesthesia for procedure on esophagus, stomach, and/or upper small bowel using an endoscope	38	38	$1698.16	$149.90
76942 Ultrasonic guidance imaging supervision and interpretation for insertion of needle	34	33	$263.18	$34.40
00811 Anesthesia for procedure on large bowel using an endoscope	17	17	$1354.59	$154.12
64447 Injection of anesthetic agent and/or steroid into thigh nerve (femoral nerve)	13	12	$1231.54	$46.28
01402 Anesthesia for procedure for total knee joint replacement	12	11	$4840.17	$446.83
36620 Insertion of artery tube for blood sampling or infusion through skin	11	11	$546.00	$47.46
62322 Injection of substance into lower spine canal	11	11	$1452.00	$93.17
00790 Anesthesia for procedure in upper abdomen including use of an endoscope	11	11	$3531.45	$361.72

HCPCS Code & Description	Services	Patients	Submitted Charge	Medicare Allowed
76942 Ultrasonic guidance imaging supervision and interpretation for insertion of needle	31	30	$175.03	$33.81
00731 Anesthesia for procedure on esophagus, stomach, and/or upper small bowel using an endoscope	30	27	$1047.23	$152.36
00811 Anesthesia for procedure on large bowel using an endoscope	18	18	$1095.06	$149.20
01402 Anesthesia for procedure for total knee joint replacement	15	14	$5217.20	$469.42
64448 Continuous infusion of anesthetic agent and/or steroid into thigh nerve (femoral nerve) through catheter	13	13	$2178.00	$58.22
00812 Anesthesia for exam of colon using an endoscope	12	12	$722.92	$115.52

HCPCS Code & Description	Services	Patients	Submitted Charge	Medicare Allowed
00740 Anesthesia for procedure on gastrointestinal tract using an endoscope	44	44	$806.50	$161.49
00810 Anesthesia for procedure on lower intestine using an endoscope	44	44	$822.00	$168.86
76942 Ultrasonic guidance imaging supervision and interpretation for insertion of needle	30	29	$168.67	$33.79
01402 Anesthesia for procedure for total knee joint replacement	16	15	$2066.63	$405.49
00790 Anesthesia for procedure in upper abdomen including use of an endoscope	16	16	$1853.50	$378.69
01480 Anesthesia for open procedure on bones of lower leg, ankle and foot	15	15	$1243.00	$251.37
64448 Continuous infusion of anesthetic agent and/or steroid into thigh nerve (femoral nerve) through catheter	12	11	$1320.00	$50.34

Medical Specialties & State Licenses

Anesthesiology Primary Specialty

NUCC Taxonomy Code: 207L00000X

State License CA A124438

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.

Hospital & Practice Group Affiliations

Clarity Anesthesia Medical Group

351 Hospital Rd, Newport Beach, CA 926633503

Phone: 8189379969

Premiercare Anesthesia Fountain Valley Inc

2880 Atlantic Ave, Long Beach, CA 908061715

Phone: 5624533814

Orange Coast Anesthesia Inc

3751 Katella Ave, Los Alamitos, CA 907203113

Phone: 5625981311

Secondary Practice Locations

3751 Katella Ave

Los Alamitos, CA 907203113

Phone: 7147245335

Practice Associates & Co-Workers

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

14 Associated Practitioners

Dr. Gexin Tang , MD

Anesthesiology

NPI 1033173844

Doctor of Medicine (M.D.)

Dr. Rodney Strachan , MD

Anesthesiology

NPI 1104868124

Doctor of Medicine (M.D.)

Dr. Aalap Shah , MD

Anesthesiology

NPI 1194014274

Doctor of Medicine (M.D.)

Dr. Winnie Ruo , MD

Anesthesiology

NPI 1194767988

Doctor of Medicine (M.D.)

Dr. Chun Yang , MD

Anesthesiology

NPI 1215033204

Doctor of Medicine (M.D.)

Dr. Jean Sprengel , MD

Anesthesiology

NPI 1316907553

Doctor of Medicine (M.D.)

Career & Practice History Timeline

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

8 Historical Events

📍

Updated Practice Location June 10, 2019

Registered at 681 S PARKER ST STE 150, ORANGE, CA 92868 (Tel: 7147440900)

📍

Updated Business Mailing Address June 10, 2019

Registered at 210 N TUSTIN AVE, SANTA ANA, CA 927053807 (Tel: 7143471000)

✅

NPI Profile Active April 18, 2016

NPI status registered as active in NPPES database

📍

Updated Practice Location April 18, 2016

Registered at 3751 KATELLA AVE, LOS ALAMITOS, CA 907203113 (Tel: 7147245335)

📍

Updated Business Mailing Address April 18, 2016

Registered at 3751 KATELLA AVE, LOS ALAMITOS, CA 907203113

👤

Provider Name / Credentials Updated April 18, 2016

Recorded as THADDEUS O'BARR, M.D.

🎓

Medical Taxonomy / Specialty Registered (Primary Specialty) April 18, 2016

Anesthesiology (License #A124438 in CA)

🟢

Initial NPI Registration & Enumeration May 05, 2011

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: 1609168814

Entity Type:

Individual Provider Physician, Nurse Practitioner, or Solo Healthcare Professional (Type 1 NPI)

Enumeration Date: May 05, 2011

Last Update: June 10, 2019

Sole Proprietor: No

Update or Correct Profile

Mailing Address

210 N Tustin Ave

Santa Ana, CA 927053807

Phone: 7143471000

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.