Deactivated NPI 1871666834 Deactivated / Inactive NPI Male Practitioner

Dr. Robert A St. Thomas , MD

Anesthesiology • Anaheim, CA

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Notice of NPI Deactivation & Inactive Practice Status

According to official public domain records published by CMS (Centers for Medicare & Medicaid Services) in the National Provider Identifier (NPPES) Registry, Dr. Robert St. Thomas has officially deactivated this NPI record and ceased active healthcare practice.

Registration / Start Date November 16, 2006

NPI Deactivation Date September 04, 2024

Total Practice Duration ~18 Years of Practice (2006 – 2024)

Professional Overview & Biography Verified Profile Summary

Dr. Robert St. Thomas, MD was a registered Anesthesiology practicing in Anaheim, CA. Throughout an active medical career spanning 18 years, Dr. St. Thomas provided care at the practice location at 3033 W ORANGE AVE until profile deactivation on 2024-09-04.

Historical Medicare Part B clinical services included anesthesia for procedure on esophagus, stomach, and/or upper small bowel using an endoscope, anesthesia for procedure on large bowel using an endoscope, anesthesia for procedure on skin of arms, legs, or trunk. Public procedure reimbursement records and service volume details are provided below for historical transparency.

Practice Location & Contact Primary Location

Practice Address

3033 W Orange Ave

Anaheim, CA 928043156

Telephone 7148273000

Associated Practice Facility / Clinic

🏢 The Anaheim Vhs Limited Partnership Facility NPI 1770554362

Specialty Benchmarks & Practice Insights

Comparative analytics for Anesthesiology in Anaheim, CA

Active Practitioner

Practitioner Clinical Experience

Active

City Avg: 30.2 Yrs

State Avg: 27.4 Yrs

Regional Practice Density

50 Specialists

Practicing in Anaheim, CA (7879 Statewide)

Telehealth Adoption Rate

0.0% Regional Adoption

In-Person Office Visits Only

Medicare Pricing Discount

79.5% 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 (2023)

Reporting Year:

HCPCS Code & Description	Services	Patients	Submitted Charge	Medicare Allowed
00731 Anesthesia for procedure on esophagus, stomach, and/or upper small bowel using an endoscope	44	44	$682.27	$139.68
00811 Anesthesia for procedure on large bowel using an endoscope	33	32	$576.06	$119.13
00400 Anesthesia for procedure on skin of arms, legs, or trunk	22	22	$631.36	$130.06
01844 Anesthesia for placement or revision of blood flow shunt	16	16	$1047.50	$217.04
00813 Anesthesia for procedure on small and large bowel using an endoscope	11	11	$758.18	$153.24

HCPCS Code & Description	Services	Patients	Submitted Charge	Medicare Allowed
00731 Anesthesia for procedure on esophagus, stomach, and/or upper small bowel using an endoscope	96	93	$661.77	$140.58
00811 Anesthesia for procedure on large bowel using an endoscope	31	31	$605.16	$126.56
01844 Anesthesia for placement or revision of blood flow shunt	24	22	$1118.33	$237.68
00532 Anesthesia for central vein access	19	18	$724.21	$153.64
00400 Anesthesia for procedure on skin of arms, legs, or trunk	14	13	$667.86	$142.10

HCPCS Code & Description	Services	Patients	Submitted Charge	Medicare Allowed
00731 Anesthesia for procedure on esophagus, stomach, and/or upper small bowel using an endoscope	66	64	$695.91	$148.43
01844 Anesthesia for placement or revision of blood flow shunt	26	24	$1473.85	$320.88
00811 Anesthesia for procedure on large bowel using an endoscope	20	20	$600.50	$127.58
00790 Anesthesia for procedure in upper abdomen including use of an endoscope	20	20	$1472.00	$319.78
00813 Anesthesia for procedure on small and large bowel using an endoscope	14	14	$812.86	$171.92
00532 Anesthesia for central vein access	13	12	$766.92	$166.10

HCPCS Code & Description	Services	Patients	Submitted Charge	Medicare Allowed
00731 Anesthesia for procedure on esophagus, stomach, and/or upper small bowel using an endoscope	84	83	$688.33	$149.25
01844 Anesthesia for placement or revision of blood flow shunt	24	24	$1307.92	$294.16
00811 Anesthesia for procedure on large bowel using an endoscope	21	21	$612.38	$132.54
00813 Anesthesia for procedure on small and large bowel using an endoscope	20	20	$788.00	$171.52
00790 Anesthesia for procedure in upper abdomen including use of an endoscope	11	11	$1566.36	$350.47

HCPCS Code & Description	Services	Patients	Submitted Charge	Medicare Allowed
00731 Anesthesia for procedure on esophagus, stomach, and/or upper small bowel using an endoscope	103	100	$677.57	$145.42
00813 Anesthesia for procedure on small and large bowel using an endoscope	47	47	$797.02	$173.12
00811 Anesthesia for procedure on large bowel using an endoscope	26	26	$606.92	$128.77
00812 Anesthesia for exam of colon using an endoscope	13	13	$571.54	$76.40
00790 Anesthesia for procedure in upper abdomen including use of an endoscope	13	13	$1538.46	$339.02

HCPCS Code & Description	Services	Patients	Submitted Charge	Medicare Allowed
00731 Anesthesia for procedure on esophagus, stomach, and/or upper small bowel using an endoscope	64	62	$686.41	$148.15
00813 Anesthesia for procedure on small and large bowel using an endoscope	37	37	$818.11	$177.81
00142 Anesthesia for lens surgery	20	19	$805.00	$171.03
00790 Anesthesia for procedure in upper abdomen including use of an endoscope	18	18	$1468.89	$324.82
00811 Anesthesia for procedure on large bowel using an endoscope	17	17	$694.12	$148.66
01830 Anesthesia for open or endoscopic procedure on bones of forearm, wrist, or hand	14	12	$750.00	$162.58

HCPCS Code & Description	Services	Patients	Submitted Charge	Medicare Allowed
00740 Anesthesia for procedure on gastrointestinal tract using an endoscope	93	92	$713.76	$153.55
00810 Anesthesia for procedure on lower intestine using an endoscope	40	40	$718.00	$156.59
00790 Anesthesia for procedure in upper abdomen including use of an endoscope	28	27	$1717.86	$376.35
01230 Anesthesia for open procedure on upper two-thirds of thigh bone	13	13	$1569.23	$348.91
00142 Anesthesia for lens surgery	12	12	$800.00	$171.98
01480 Anesthesia for open procedure on bones of lower leg, ankle and foot	11	11	$893.64	$196.81

Medical Specialties & State Licenses

Anesthesiology Primary Specialty

NUCC Taxonomy Code: 207L00000X

State License CA C40543

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. Bich Dang , MD

Anesthesiology - Pain Medicine

NPI 1003860479

Doctor of Medicine (M.D.)

Dr. Alan Osgood , MD

Emergency Medicine

NPI 1043277452

Doctor of Medicine (M.D.)

Dr. David Reid , MD

Emergency Medicine

NPI 1053378380

Doctor of Medicine (M.D.)

Dr. Steven Le , DO

Hospitalist

NPI 1093209025

Doctor of Osteopathic Medicine (D.O.)

Abdel Karim Ahmad

Family Medicine

NPI 1124644752

Dr. Vivian Cheng , PharmD

Pharmacist

NPI 1124726286

Doctor of Pharmacy (Pharm.D.)

Career & Practice History Timeline

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

9 Historical Events

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NPI Profile Deactivated September 04, 2024

Record deactivated on September 04, 2024

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Updated Practice Location May 15, 2018

Registered at 3033 W ORANGE AVE, ANAHEIM, CA 92804 (Tel: 7148273000)

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Updated Business Mailing Address May 15, 2018

Registered at 4347 PORTAGE ST NW STE 102, NORTH CANTON, OH 447207371 (Tel: 8005270336)

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NPI Profile Active October 04, 2007

NPI status registered as active in NPPES database

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Updated Practice Location October 04, 2007

Registered at 3033 W ORANGE AVE, ANAHEIM, CA 928043156 (Tel: 7148273000)

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Updated Business Mailing Address October 04, 2007

Registered at PO BOX 2757, ORANGE, CA 928590757 (Tel: 7149732650)

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Provider Name / Credentials Updated October 04, 2007

Recorded as ROBERT ST. THOMAS, M.D.

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Medical Taxonomy / Specialty Registered (Primary Specialty) October 04, 2007

Anesthesiology (License #C40543 in CA)

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Initial NPI Registration & Enumeration November 16, 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: 1871666834

Entity Type:

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

Enumeration Date: November 16, 2006

Last Update: October 04, 2007

Deactivation Date: September 04, 2024

Update or Correct Profile

Mailing Address

Po Box 2757

Orange, CA 928590757

Phone: 7149732650

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.