Active NPI 1083780506 Individual Practitioner Male Practitioner

Dr. John Jay Marshall , MD

Anesthesiology • Reno, NV

✓ Accepts Medicare Assignment

Professional Overview & Biography Verified Profile Summary

Dr. John Marshall, MD is a certified Anesthesiology practicing in Reno, NV. With approximately 43 years of clinical experience since graduating from Indiana University School Of Medicine in 1983, Dr. Marshall delivers high-quality medical care to the local community at SAINT MARYS REGIONAL MEDICAL CENTER.

Dr. Marshall maintains professional affiliations with Parkhill Rahimzadeh Ellero Garol Mortensen Raman And Assoc Pc, Community Care Services Llc and accepts Medicare assignment.

Frequently performed procedures and clinical services include insertion of artery tube for blood sampling or infusion through skin, ultrasound of heart with probe in esophagus, with report, ultrasound of heart blood flow, valves and chambers. Full Medicare procedure pricing transparency rates and service volume details are listed on this profile.

Practice Location & Contact Primary Location

Practice Address

Saint Marys Regional Medical Center
235 West 6th Street

Reno, NV 895034548

Telephone 7757703000

Associated Practice Facility / Clinic

🏢 Dignity Health Facility NPI 1225369473

Medicare Profile & Education

Medical School

Indiana University School Of Medicine

Graduation Year

1983

Medicare Assignment

✓ Accepts Assignment

Telehealth Flag

In-Person Only

Specialty Benchmarks & Practice Insights

Comparative analytics for Anesthesiology in Reno, NV

Senior Veteran Specialist (>20 Yrs)

Practitioner Clinical Experience

43 Yrs +25.2 yrs vs City Avg

City Avg: 17.8 Yrs

State Avg: 17.4 Yrs

Regional Practice Density

128 Specialists

Practicing in Reno, NV (555 Statewide)

Telehealth Adoption Rate

0.0% Regional Adoption

In-Person Office Visits Only

Medicare Pricing Discount

91.3% Avg Savings

Under CMS Medicare Fee Schedule vs Standard Submitted Charges

Clinical Seniority & Experience Comparison

Dr. Marshall (43 Years) 43 Yrs

Reno Specialty Average (17.8 Years) 17.8 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
36620 Insertion of artery tube for blood sampling or infusion through skin	14	14	$482.29	$41.93

HCPCS Code & Description	Services	Patients	Submitted Charge	Medicare Allowed
36620 Insertion of artery tube for blood sampling or infusion through skin	12	12	$280.25	$44.00

HCPCS Code & Description	Services	Patients	Submitted Charge	Medicare Allowed
93312 Ultrasound of heart with probe in esophagus, with report	18	17	$622.28	$109.43
36620 Insertion of artery tube for blood sampling or infusion through skin	17	17	$596.40	$45.82
93320 Ultrasound of heart blood flow, valves and chambers	12	12	$98.22	$18.05
00537 Anesthesia for procedure to assess heart electrical activity	11	11	$3491.90	$430.77
93325 Doppler ultrasound study of color-directed heart blood flow, rate, and valve function	11	11	$72.47	$3.11
76942 Ultrasonic guidance imaging supervision and interpretation for insertion of needle	11	11	$192.15	$31.65

HCPCS Code & Description	Services	Patients	Submitted Charge	Medicare Allowed
36620 Insertion of artery tube for blood sampling or infusion through skin	21	21	$1115.75	$46.52
01922 Anesthesia for x-ray or radiation therapy	19	19	$1661.20	$222.11
00142 Anesthesia for lens surgery	16	16	$796.43	$106.53
76942 Ultrasonic guidance imaging supervision and interpretation for insertion of needle	15	15	$372.14	$32.17
00670 Anesthesia for procedure on spine and spinal cord	15	15	$3607.87	$499.48

HCPCS Code & Description	Services	Patients	Submitted Charge	Medicare Allowed
36620 Insertion of artery tube for blood sampling or infusion through skin	19	19	$1085.00	$46.51
76942 Ultrasonic guidance imaging supervision and interpretation for insertion of needle	12	12	$362.00	$32.72
00670 Anesthesia for procedure on spine and spinal cord	11	11	$3896.73	$562.81

HCPCS Code & Description	Services	Patients	Submitted Charge	Medicare Allowed
36620 Insertion of artery tube for blood sampling or infusion through skin	19	19	$1053.00	$45.77
00670 Anesthesia for procedure on spine and spinal cord	19	19	$3540.00	$517.42
01922 Anesthesia for x-ray or radiation therapy	18	18	$1475.00	$208.31
76942 Ultrasonic guidance imaging supervision and interpretation for insertion of needle	11	11	$351.00	$32.67
36556 Insertion of non-tunneled central venous tube for infusion (5 years or older)	11	11	$1404.00	$87.52

HCPCS Code & Description	Services	Patients	Submitted Charge	Medicare Allowed
36620 Insertion of artery tube for blood sampling or infusion through skin	31	31	$1020.00	$44.92
36556 Insertion of non-tunneled central venous tube for infusion (5 years or older)	21	21	$1360.00	$99.90
93312 Ultrasound of heart with probe in esophagus, with report	18	18	$2040.00	$110.47
76937 Ultrasonic guidance for blood vessel access	18	18	$340.00	$14.53
00142 Anesthesia for lens surgery	17	17	$749.41	$110.44
00567 Anesthesia for heart artery bypass grafting on heart-lung machine	17	17	$5072.94	$783.20
76942 Ultrasonic guidance imaging supervision and interpretation for insertion of needle	16	16	$340.00	$30.63
01922 Anesthesia for x-ray or radiation therapy	16	16	$1426.25	$208.73
00790 Anesthesia for procedure in upper abdomen including use of an endoscope	16	16	$2126.25	$320.27
00670 Anesthesia for procedure on spine and spinal cord	15	15	$3285.33	$503.27
64447 Injection of anesthetic agent and/or steroid into thigh nerve (femoral nerve)	13	13	$1190.00	$58.56

HCPCS Code & Description	Services	Patients	Submitted Charge	Medicare Allowed
00670 Anesthesia for procedure on spine and spinal cord	22	22	$3540.68	$514.60
36620 Insertion of artery tube for blood sampling or infusion through skin	19	19	$990.00	$46.27
76942 Ultrasonic guidance imaging supervision and interpretation for insertion of needle	12	12	$330.00	$30.83
36556 Insertion of non-tunneled central venous tube for infusion (5 years or older)	12	12	$1320.00	$111.79

Medical Specialties & State Licenses

Anesthesiology Primary Specialty

NUCC Taxonomy Code: 207L00000X

State License NV 5466

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

Community Care Services Llc

1155 Mill St, Reno, NV 895021576

Phone: 7759824000

Parkhill Rahimzadeh Ellero Garol Mortensen Raman And Assoc Pc

1155 Mill St, Reno, NV 895021576

Phone: 8444233634

Practice Associates & Co-Workers

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

40 Associated Practitioners

Magdalena Alvarez , RN

Registered Nurse - Oncology

NPI 1023903762

Registered Nurse

Kristi Lyles , NP

Nurse Practitioner

NPI 1033001102

Nurse Practitioner

Dr. Dirk Fletcher , MD

Anesthesiology

NPI 1053476895

Doctor of Medicine (M.D.)

Dr. Daniel Sorensen , MD

Anesthesiology

NPI 1093870842

Doctor of Medicine (M.D.)

Dr. Peter Billharz , MD

Anesthesiology

NPI 1164522272

Doctor of Medicine (M.D.)

Dr. Harry English , MD

Anesthesiology

NPI 1164598686

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 SAINT MARYS REGIONAL MEDICAL CENTER, 235 WEST 6TH STREET, RENO, NV 895034548 (Tel: 7757703000)

📍

Updated Business Mailing Address July 08, 2007

Registered at 300 SOUTH ARLINGTON AVENUE, RENO, NV 895012002 (Tel: 7753481900)

👤

Provider Name / Credentials Updated July 08, 2007

Recorded as JOHN MARSHALL, MD

🎓

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

Anesthesiology (License #5466 in NV)

🟢

Initial NPI Registration & Enumeration November 27, 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: 1083780506

Entity Type:

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

Enumeration Date: November 27, 2006

Last Update: July 08, 2007

Sole Proprietor: No

Update or Correct Profile

Mailing Address

300 South Arlington Avenue

Reno, NV 895012002

Phone: 7753481900

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.