Active NPI 1619269883 Individual Practitioner Male Practitioner

Dr. Timothy Alan Weaver , MD

Anesthesiology • Orange, CA

Public Directory Information & Medical Disclaimer

This profile is compiled from official public domain records provided by CMS and the NPPES registry. TRUE-MEDINFO is an independent reference directory and does not provide medical advice, diagnosis, or treatment recommendations. Always consult a licensed medical professional for personal health decisions.

Professional Overview & Biography Verified Profile Summary

Dr. Timothy Weaver, MD is a registered healthcare professional specializing in Anesthesiology in Orange, CA. Official NPI practice address is registered at 1100 W STEWART DR.

Frequently performed procedures and clinical services include anesthesia for lens surgery, anesthesia for procedure on eye, anesthesia for retinal surgery. Full Medicare procedure pricing transparency rates and service volume details are listed on this profile.

Practice Location & Contact Primary Location

Practice Address

1100 W Stewart Dr

Orange, CA 928683849

Telephone 7146339111

Fax 7147448695

Associated Practice Facility / Clinic

🏢 Jack Lianjie Du, M.d., A Medical Corporation Facility NPI 1720080294

Specialty Benchmarks & Practice Insights

Comparative analytics for Anesthesiology in Orange, CA

Active Practitioner

Practitioner Clinical Experience

Active

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

86.1% Avg Savings

Under CMS Medicare Fee Schedule vs Standard Submitted Charges

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	450	305	$837.51	$111.78
00140 Anesthesia for procedure on eye	41	36	$1051.71	$145.11
00145 Anesthesia for retinal surgery	33	30	$1569.70	$221.12
00103 Anesthesia for procedure on eyelid	24	24	$1271.67	$177.31

HCPCS Code & Description	Services	Patients	Submitted Charge	Medicare Allowed
00142 Anesthesia for lens surgery	41	39	$779.51	$115.04

HCPCS Code & Description	Services	Patients	Submitted Charge	Medicare Allowed
62322 Injection of substance into lower spine canal	25	25	$1056.00	$86.35
76942 Ultrasonic guidance imaging supervision and interpretation for insertion of needle	20	20	$264.00	$32.82
00670 Anesthesia for procedure on spine and spinal cord	18	18	$4048.00	$645.54
64447 Injection of anesthetic agent and/or steroid into thigh nerve (femoral nerve)	18	18	$924.00	$32.68
36620 Insertion of artery tube for blood sampling or infusion through skin	13	13	$396.00	$46.27
01214 Anesthesia for total hip replacement	12	12	$2299.00	$374.07
01402 Anesthesia for procedure for total knee joint replacement	11	11	$2112.00	$349.01

HCPCS Code & Description	Services	Patients	Submitted Charge	Medicare Allowed
76942 Ultrasonic guidance imaging supervision and interpretation for insertion of needle	28	28	$256.00	$33.35
76937 Ultrasonic guidance for blood vessel access	26	20	$128.00	$14.78
62322 Injection of substance into lower spine canal	25	25	$1024.00	$87.82
64447 Injection of anesthetic agent and/or steroid into thigh nerve (femoral nerve)	25	25	$896.00	$42.15
36620 Insertion of artery tube for blood sampling or infusion through skin	23	23	$384.00	$47.15
64488 Injections of local anesthetic for pain control and abdominal wall analgesia on both sides	17	17	$1280.00	$73.83
01402 Anesthesia for procedure for total knee joint replacement	16	16	$2096.00	$354.31
00670 Anesthesia for procedure on spine and spinal cord	15	15	$4309.33	$706.67
01214 Anesthesia for total hip replacement	14	14	$2066.29	$349.14
00790 Anesthesia for procedure in upper abdomen including use of an endoscope	13	13	$2510.77	$415.70

HCPCS Code & Description	Services	Patients	Submitted Charge	Medicare Allowed
76937 Ultrasonic guidance for blood vessel access	37	28	$122.92	$14.80
76942 Ultrasonic guidance imaging supervision and interpretation for insertion of needle	34	34	$246.12	$34.38
36620 Insertion of artery tube for blood sampling or infusion through skin	29	29	$369.10	$46.68
64447 Injection of anesthetic agent and/or steroid into thigh nerve (femoral nerve)	23	23	$861.91	$50.52
64488 Injections of local anesthetic for pain control and abdominal wall analgesia on both sides	21	21	$1226.67	$71.48
00670 Anesthesia for procedure on spine and spinal cord	21	21	$4192.57	$668.75
00731 Anesthesia for procedure on esophagus, stomach, and/or upper small bowel using an endoscope	15	15	$1094.67	$190.47
01480 Anesthesia for open procedure on bones of lower leg, ankle and foot	13	11	$1130.77	$199.24
01922 Anesthesia for x-ray or radiation therapy	12	12	$1705.67	$305.58
62322 Injection of substance into lower spine canal	11	11	$977.45	$92.65
36556 Insertion of non-tunneled central venous tube for infusion (5 years or older)	11	11	$488.73	$85.05

HCPCS Code & Description	Services	Patients	Submitted Charge	Medicare Allowed
76942 Ultrasonic guidance imaging supervision and interpretation for insertion of needle	52	52	$239.81	$34.38
64447 Injection of anesthetic agent and/or steroid into thigh nerve (femoral nerve)	29	29	$868.97	$64.63
76937 Ultrasonic guidance for blood vessel access	28	23	$119.46	$15.39
62322 Injection of substance into lower spine canal	24	24	$958.33	$93.13
36620 Insertion of artery tube for blood sampling or infusion through skin	24	24	$358.13	$47.43
01402 Anesthesia for procedure for total knee joint replacement	21	21	$1990.24	$364.84
64488 Injections of local anesthetic for pain control and abdominal wall analgesia on both sides	19	19	$1194.74	$74.70
00670 Anesthesia for procedure on spine and spinal cord	16	16	$3728.13	$662.20
01922 Anesthesia for x-ray or radiation therapy	16	15	$1532.50	$264.81
00790 Anesthesia for procedure in upper abdomen including use of an endoscope	16	16	$2044.69	$373.29
01230 Anesthesia for open procedure on upper two-thirds of thigh bone	15	15	$1728.00	$319.33
64448 Continuous infusion of anesthetic agent and/or steroid into thigh nerve (femoral nerve) through catheter	15	15	$1436.00	$37.90
00731 Anesthesia for procedure on esophagus, stomach, and/or upper small bowel using an endoscope	13	13	$1002.31	$178.06

HCPCS Code & Description	Services	Patients	Submitted Charge	Medicare Allowed
76942 Ultrasonic guidance imaging supervision and interpretation for insertion of needle	41	41	$228.44	$34.74
76937 Ultrasonic guidance for blood vessel access	34	27	$114.29	$15.36
36620 Insertion of artery tube for blood sampling or infusion through skin	27	27	$342.33	$46.94
62322 Injection of substance into lower spine canal	27	27	$915.26	$92.48
64447 Injection of anesthetic agent and/or steroid into thigh nerve (femoral nerve)	24	24	$833.88	$63.27
64488 Injections of local anesthetic for pain control and abdominal wall analgesia on both sides	23	23	$1136.09	$75.65
01402 Anesthesia for procedure for total knee joint replacement	17	17	$1988.82	$379.60
00670 Anesthesia for procedure on spine and spinal cord	16	16	$4200.13	$757.73
00731 Anesthesia for procedure on esophagus, stomach, and/or upper small bowel using an endoscope	15	15	$1023.47	$191.22
00790 Anesthesia for procedure in upper abdomen including use of an endoscope	13	13	$2492.00	$455.33
01214 Anesthesia for total hip replacement	12	12	$2103.50	$409.79
01480 Anesthesia for open procedure on bones of lower leg, ankle and foot	11	11	$1156.36	$219.68

HCPCS Code & Description	Services	Patients	Submitted Charge	Medicare Allowed
00670 Anesthesia for procedure on spine and spinal cord	13	13	$3901.38	$931.07
00740 Anesthesia for procedure on gastrointestinal tract using an endoscope	13	13	$913.62	$220.66
76942 Ultrasonic guidance imaging supervision and interpretation for insertion of needle	12	12	$115.92	$43.35
00790 Anesthesia for procedure in upper abdomen including use of an endoscope	12	12	$1676.33	$426.06
62322 Injection of substance into lower spine canal	11	11	$856.00	$119.54

Medical Specialties & State Licenses

Anesthesiology Primary Specialty

NUCC Taxonomy Code: 207L00000X

State License CA A125727

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.

Practice Associates & Co-Workers

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

40 Associated Practitioners

Dr. Ian Chait , MD

Anesthesiology

NPI 1003833930

Doctor of Medicine (M.D.)

Dr. Roger Arakaki , MD

Anesthesiology

NPI 1003836990

Doctor of Medicine (M.D.)

Dr. Francis Sweeny , MD

Anesthesiology

NPI 1023039567

Doctor of Medicine (M.D.)

Dr. Claudia Klein , MD

Anesthesiology

NPI 1033378930

Doctor of Medicine (M.D.)

Joann Timberlake , PA

Emergency Medicine

NPI 1043241094

Physician Assistant

Dr. Christopher Nguyen , MD

Anesthesiology

NPI 1043519606

Doctor of Medicine (M.D.)

Career & Practice History Timeline

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

6 Historical Events

✅

NPI Profile Active July 22, 2015

NPI status registered as active in NPPES database

📍

Updated Practice Location July 22, 2015

Registered at 1100 W STEWART DR, ORANGE, CA 928683849 (Tel: 7146339111)

📍

Updated Business Mailing Address July 22, 2015

Registered at PO BOX 1628, ORANGE, CA 928560628 (Tel: 7145601580)

👤

Provider Name / Credentials Updated July 22, 2015

Recorded as TIMOTHY WEAVER, M.D.

🎓

Medical Taxonomy / Specialty Registered (Primary Specialty) July 22, 2015

Anesthesiology (License #A125727 in CA)

🟢

Initial NPI Registration & Enumeration May 06, 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: 1619269883

Entity Type:

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

Enumeration Date: May 06, 2011

Last Update: July 22, 2015

Sole Proprietor: No

Update or Correct Profile

Mailing Address

Po Box 1628

Orange, CA 928560628

Phone: 7145601580

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.