Active NPI 1902987522 Individual Practitioner Male Practitioner

Dr. Roy Opsahl , MD

Anesthesiology • Sonora, CA

✓ Accepts Medicare Assignment

Professional Overview & Biography Verified Profile Summary

Dr. Roy Opsahl, MD is a certified Anesthesiology practicing in Sonora, CA. With approximately 33 years of clinical experience since graduating from Loma Linda University School Of Medicine in 1993, Dr. Opsahl delivers high-quality medical care to the local community at 1000 GREENLEY RD.

Dr. Opsahl maintains professional affiliations with Benefis Hospitals Inc, Cep America - Anesthesia Pc, Providence Anchorage Anesthesia Medical Group Pc and accepts Medicare assignment.

Frequently performed procedures and clinical services include anesthesia for other procedure on lower spine, anesthesia for procedure on spine and spinal cord, anesthesia for procedure in lower abdominal cavity including use of an endoscope. Full Medicare procedure pricing transparency rates and service volume details are listed on this profile.

Practice Location & Contact Primary Location

Practice Address

1000 Greenley Rd

Sonora, CA 953705200

Telephone 2095363514

Associated Practice Facility / Clinic

🏢 Bay Area Rehabilitation Medical Group Facility NPI 1770586380

Medicare Profile & Education

Medical School

Loma Linda University School Of Medicine

Graduation Year

1993

Medicare Assignment

✓ Accepts Assignment

Telehealth Flag

In-Person Only

Specialty Benchmarks & Practice Insights

Comparative analytics for Anesthesiology in Sonora, CA

Senior Veteran Specialist (>20 Yrs)

Practitioner Clinical Experience

33 Yrs -6.6 yrs vs City Avg

City Avg: 39.6 Yrs

State Avg: 27.4 Yrs

Regional Practice Density

5 Specialists

Practicing in Sonora, CA (7879 Statewide)

Telehealth Adoption Rate

0.0% Regional Adoption

In-Person Office Visits Only

Medicare Pricing Discount

84.9% Avg Savings

Under CMS Medicare Fee Schedule vs Standard Submitted Charges

Clinical Seniority & Experience Comparison

Dr. Opsahl (33 Years) 33 Yrs

Sonora Specialty Average (39.6 Years) 39.6 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
00630 Anesthesia for other procedure on lower spine	22	22	$2796.59	$433.77
00670 Anesthesia for procedure on spine and spinal cord	18	17	$3398.61	$543.64
00840 Anesthesia for procedure in lower abdominal cavity including use of an endoscope	14	14	$1773.21	$288.48
00731 Anesthesia for procedure on esophagus, stomach, and/or upper small bowel using an endoscope	12	12	$1224.79	$153.32
64447 Injection of anesthetic agent and/or steroid into thigh nerve (femoral nerve)	12	12	$686.00	$61.39
00400 Anesthesia for procedure on skin of arms, legs, or trunk	12	12	$1014.58	$164.83

HCPCS Code & Description	Services	Patients	Submitted Charge	Medicare Allowed
00670 Anesthesia for procedure on spine and spinal cord	26	26	$2931.06	$570.15
00811 Anesthesia for procedure on large bowel using an endoscope	22	22	$721.66	$149.54
76942 Ultrasonic guidance imaging supervision and interpretation for insertion of needle	14	14	$686.00	$30.42
64447 Injection of anesthetic agent and/or steroid into thigh nerve (femoral nerve)	14	14	$686.00	$60.26
64450 Injection of anesthetic agent, other peripheral nerve or branch	13	13	$490.00	$24.14
64415 Injection of anesthetic agent, brachial (arm) nerve bundle	13	13	$784.00	$68.86
01402 Anesthesia for procedure for total knee joint replacement	11	11	$1727.82	$355.60
00400 Anesthesia for procedure on skin of arms, legs, or trunk	11	11	$791.45	$143.30

HCPCS Code & Description	Services	Patients	Submitted Charge	Medicare Allowed
00670 Anesthesia for procedure on spine and spinal cord	25	25	$2387.82	$592.17
00811 Anesthesia for procedure on large bowel using an endoscope	14	14	$562.82	$144.57
76942 Ultrasonic guidance imaging supervision and interpretation for insertion of needle	14	14	$686.00	$31.74

HCPCS Code & Description	Services	Patients	Submitted Charge	Medicare Allowed
00811 Anesthesia for procedure on large bowel using an endoscope	14	14	$578.61	$149.82
76942 Ultrasonic guidance imaging supervision and interpretation for insertion of needle	14	14	$686.00	$32.34
00670 Anesthesia for procedure on spine and spinal cord	13	13	$2163.58	$559.49

HCPCS Code & Description	Services	Patients	Submitted Charge	Medicare Allowed
76942 Ultrasonic guidance imaging supervision and interpretation for insertion of needle	51	49	$677.10	$32.46
64447 Injection of anesthetic agent and/or steroid into thigh nerve (femoral nerve)	33	31	$689.82	$54.02
64450 Injection of anesthetic agent, other peripheral nerve or branch	18	18	$490.00	$27.07
00670 Anesthesia for procedure on spine and spinal cord	12	12	$2324.75	$596.77
00400 Anesthesia for procedure on skin of arms, legs, or trunk	11	11	$682.32	$178.38
00731 Anesthesia for procedure on esophagus, stomach, and/or upper small bowel using an endoscope	11	11	$613.55	$153.74
00630 Anesthesia for other procedure on lower spine	11	11	$1570.18	$405.85

HCPCS Code & Description	Services	Patients	Submitted Charge	Medicare Allowed
76942 Ultrasonic guidance imaging supervision and interpretation for insertion of needle	47	46	$686.00	$32.83
64447 Injection of anesthetic agent and/or steroid into thigh nerve (femoral nerve)	31	30	$708.13	$68.79
00731 Anesthesia for procedure on esophagus, stomach, and/or upper small bowel using an endoscope	22	21	$630.55	$150.74
00811 Anesthesia for procedure on large bowel using an endoscope	21	21	$623.74	$150.51
01810 Anesthesia for procedure on nerves, muscles, tendons, and tissue of forearm, wrist, and hand	21	21	$501.10	$128.26
01402 Anesthesia for procedure for total knee joint replacement	21	20	$1560.36	$398.94
00400 Anesthesia for procedure on skin of arms, legs, or trunk	19	18	$701.50	$164.21
64415 Injection of anesthetic agent, brachial (arm) nerve bundle	19	19	$784.00	$66.21
00532 Anesthesia for central vein access	18	18	$730.06	$179.85
00790 Anesthesia for procedure in upper abdomen including use of an endoscope	16	16	$1326.25	$307.13
01214 Anesthesia for total hip replacement	15	15	$1562.87	$395.97
01230 Anesthesia for open procedure on upper two-thirds of thigh bone	14	14	$1238.57	$308.48
01400 Anesthesia for other procedure or exam of knee joint using an endoscope	14	14	$878.00	$214.95
00840 Anesthesia for procedure in lower abdominal cavity including use of an endoscope	13	13	$1277.62	$313.31
00670 Anesthesia for procedure on spine and spinal cord	11	11	$2312.77	$586.13
01630 Anesthesia for open or endoscopic procedure at upper arm and shoulder joint including	11	11	$1125.09	$286.33

HCPCS Code & Description	Services	Patients	Submitted Charge	Medicare Allowed
76942 Ultrasonic guidance imaging supervision and interpretation for insertion of needle	48	48	$686.00	$32.65
64447 Injection of anesthetic agent and/or steroid into thigh nerve (femoral nerve)	31	31	$686.00	$67.62
00400 Anesthesia for procedure on skin of arms, legs, or trunk	24	24	$715.06	$174.67
01402 Anesthesia for procedure for total knee joint replacement	22	22	$1514.16	$378.21
00731 Anesthesia for procedure on esophagus, stomach, and/or upper small bowel using an endoscope	22	22	$610.45	$148.94
01810 Anesthesia for procedure on nerves, muscles, tendons, and tissue of forearm, wrist, and hand	21	21	$625.36	$153.43
64415 Injection of anesthetic agent, brachial (arm) nerve bundle	19	19	$784.00	$64.39
00790 Anesthesia for procedure in upper abdomen including use of an endoscope	17	17	$1371.88	$326.12
01214 Anesthesia for total hip replacement	16	16	$1582.59	$397.30
00830 Anesthesia for other repair of lower abdomen hernia (1 year or older)	14	14	$808.11	$204.56
01638 Anesthesia for open or endoscopic total shoulder joint replacement	14	14	$1804.43	$457.49
00840 Anesthesia for procedure in lower abdominal cavity including use of an endoscope	12	12	$1228.25	$310.01
00902 Anesthesia for procedure on anus and rectum	12	11	$922.96	$229.92
01480 Anesthesia for open procedure on bones of lower leg, ankle and foot	11	11	$816.77	$196.01
36620 Insertion of artery tube for blood sampling or infusion through skin	11	11	$255.00	$44.95

HCPCS Code & Description	Services	Patients	Submitted Charge	Medicare Allowed
76942 Ultrasonic guidance imaging supervision and interpretation for insertion of needle	58	56	$686.00	$33.26
64447 Injection of anesthetic agent and/or steroid into thigh nerve (femoral nerve)	37	36	$686.00	$66.58
00400 Anesthesia for procedure on skin of arms, legs, or trunk	33	32	$744.91	$188.71
01402 Anesthesia for procedure for total knee joint replacement	32	32	$1614.47	$408.86
01810 Anesthesia for procedure on nerves, muscles, tendons, and tissue of forearm, wrist, and hand	24	24	$669.38	$168.86
01480 Anesthesia for open procedure on bones of lower leg, ankle and foot	16	15	$808.56	$203.47
00790 Anesthesia for procedure in upper abdomen including use of an endoscope	15	15	$1289.73	$329.85
64417 Injection of anesthetic agent and/or steroid into upper arm and shoulder nerve (axillary nerve)	13	13	$784.00	$71.80
01830 Anesthesia for open or endoscopic procedure on bones of forearm, wrist, or hand	12	12	$888.25	$228.18
64415 Injection of anesthetic agent, brachial (arm) nerve bundle	12	11	$784.00	$63.27
01214 Anesthesia for total hip replacement	12	12	$1656.79	$425.42
00830 Anesthesia for other repair of lower abdomen hernia (1 year or older)	12	12	$820.96	$210.89

Medical Specialties & State Licenses

CMS Verified: 2025-01-17

Anesthesiology Primary Specialty

NUCC Taxonomy Code: 207L00000X

State License CA G70640

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.

Anesthesiology

NUCC Taxonomy Code: 207L00000X

State License MT 59579

Hospital & Practice Group Affiliations

Benefis Hospitals Inc

1101 26th St S, Great Falls, MT 594055161

Phone: 4064555000

Cep America - Anesthesia Pc

975 S Fairmont Ave, Lodi, CA 952405118

Phone: 2093343411

Providence Anchorage Anesthesia Medical Group Pc

3300 Providence Dr, Anchorage, AK 995084620

Phone: 9075610005

Secondary Practice Locations

1101 26th St S

Great Falls, MT 594055161

Phone: 4064555000

Practice Associates & Co-Workers

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

3 Associated Practitioners

Dr. Todd Christensen , MD

Anesthesiology

NPI 1184674426

Doctor of Medicine (M.D.)

Dr. Alan Levine , MD

Anesthesiology

NPI 1235189572

Doctor of Medicine (M.D.)

Dr. Charles Wright , MD

Anesthesiology

NPI 1922059716

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 08, 2007

NPI status registered as active in NPPES database

📍

Updated Practice Location July 08, 2007

Registered at 1000 GREENLEY RD, SONORA, CA 953705200 (Tel: 2095363514)

📍

Updated Business Mailing Address July 08, 2007

Registered at PO BOX 34120, RENO, NV 895334120 (Tel: 7757475050)

👤

Provider Name / Credentials Updated July 08, 2007

Recorded as ROY OPSAHL, MD

🎓

Medical Taxonomy / Specialty Registered (Primary Specialty) July 08, 2007

Anesthesiology (License #G70640 in CA)

🟢

Initial NPI Registration & Enumeration October 18, 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: 1902987522

Entity Type:

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

Enumeration Date: October 18, 2006

Last Update: January 17, 2025

Sole Proprietor: Yes

Update or Correct Profile

Mailing Address

Po Box 34120

Reno, NV 895334120

Phone: 7757475050

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.