Dr. John Jay Marshall, MD
- Medicare services, 2024
- 14
- Medicare patients, 2024
- 109
- Hospital affiliations
- 2
- Industry payments
- $516
- Medical groups
- 2
- Practice address
- 1155 Mill Street, Reno, NV 89502
- Practice phone
- Call (775) 982-4100
- Professional email
- Get professional email
- Personal email
- Get personal email
- Mobile number
- Get mobile number
Primary practice
Find Dr. Marshall's professional email, personal email and mobile number
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Dr. John Jay Marshall is an anesthesiologist in Reno, Nevada
Dr. Marshall practices at Renown Regional Medical Center in Reno, Nevada, part of Renown Health.
Dr. Marshall's NPI, 1083780506, was assigned on November 27, 2006. Dr. Marshall graduated from Indiana University School Of Medicine in 1983. Dr. Marshall holds Nevada license 5466.
- NPI
- 1083780506NPI Registry (opens in a new tab)
- Medicare PAC ID
- 0840451555
- NPI enumeration date
- November 27, 2006
- NPI status
- Active
- Accepts Medicare assignment
- Yes
- Practice phone
- (775) 982-4100
- Professional email
- Get email
- Personal email
- Get email
- Mobile number
- Get number
- Sex
- Male
- Estimated age
- 69
- Medical school graduation
- 1983
Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; Dmand AI Affiliation Data; and Doctors and Clinicians National Downloadable File (CMS)
Dr. John Jay Marshall practices at Renown Regional Medical Center in Reno, Nevada
Dr. Marshall's primary practice is Renown Regional Medical Center, at 1155 Mill Street, Reno, NV 89502 in Washoe County. The practice phone is (775) 982-4100.
- Renown Regional Medical Center1155 Mill Street, Reno, NV 89502 · Washoe CountyPhone(775) 982-4100
Source: Dmand AI Affiliation Data
Dr. John Jay Marshall is affiliated with 2 sites of care and 2 medical groups
Dr. Marshall's primary practice is Renown Regional Medical Center in Reno, Nevada, part of Renown Health. Dr. Marshall is also affiliated with Renown South Meadows Medical Center. The medical group on file is Renown Health. Dmand AI also links Dr. Marshall to 1 more medical group, named with a free account.
Sources: Dmand AI Affiliation Data; and Dmand AI Org Hierarchy Data
Dmand AI tracks the EHR system at Dr. John Jay Marshall's practice
Dmand AI tracks the electronic health record (EHR) system at each site where Dr. Marshall practices, 2 sites in all. Vendor and product names are available with a free account.
| Site | EHR vendor and product |
|---|---|
| Renown Regional Medical Center | Available with a free account |
| +1 more site and 1 medical group | Available with a free account |
Source: Dmand AI Technology Install Data
For health IT teams
Dmand AI maps EHR vendors, IT decision makers and buying committees across Renown Health and 6.2K+ hospitals, with verified contacts in the same login.
Dr. John Jay Marshall is one of 455 anesthesiologists in Nevada
Anesthesiology is Dr. Marshall's primary specialty in the NPI Registry, under taxonomy code 207L00000X. Dr. Marshall is board certified in anesthesiology by the American Board of Anesthesiology. Dmand AI has Dr. Marshall's licenses on file in 2 states: Nevada and Utah.
Specialties and state licenses
- Anesthesiology, NevadaPrimary
- Utah license
Anesthesiologists near Dr. Marshall
Counts of anesthesiologists with a Dmand AI profile, by place and practice. Each opens the list.
Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; and Dmand AI Peer Benchmarks
Dr. John Jay Marshall billed Medicare for 14 services in 2024
CMS data shows 14 Medicare services from Dr. Marshall across 1 procedure code in 2024, for 109 Medicare patients. Medicare paid $468 for them. Every service was in a facility, such as a hospital, rather than an office.
Dr. Marshall's Medicare services by type, 2023 to 2024
- 2023
- 2024
- Surgery
- 2023: 122024: 1417%
Dr. Marshall compared with the Nevada median for anesthesiologists, 2024
- Dr. Marshall
- Nevada median
- Medicare services
- 14vs 7381% below
- Medicare patients
- 109vs 13217% below
Medians across 423 anesthesiologists in Nevada with Dmand AI profiles that report each measure.
Dr. Marshall's most billed Medicare procedure codes, 2024
CMS publishes codes billed for 11 or more Medicare patients. Each label is the code family; CPT descriptions are licensed by the AMA.
Need commercial claims for Dr. Marshall?
Medicare shows one payer. Book a meeting to get commercial claims data for Dr. Marshall and other anesthesiologists in Nevada.
Sources: Medicare Physician & Other Practitioners - by Provider and Service (CMS), 2024 data; and Dmand AI Peer Benchmarks
Dr. John Jay Marshall treated 109 Medicare patients in 2024, average age 74
CMS counts 109 Medicare patients who saw Dr. Marshall in 2024. The largest group is 65 to 74, with 44 patients. 75% of them have high blood pressure, and 75% have high cholesterol. 20% are also on Medicaid. Their average risk score is 1.38, where 1.00 is the Medicare average.
Across all payers, Dmand AI patient panel data puts Dr. Marshall's median patient age at 63, with 52% women.
Dr. Marshall's Medicare patients by age, 2024
CMS leaves out age groups with fewer than 11 patients.
Dr. Marshall's Medicare patients by sex, 2024
- Women5046%
- Men5954%
Chronic conditions among Dr. Marshall's Medicare patients, 2024
- High blood pressure75%
- High cholesterol75%
- Arthritis47%
- Atrial fibrillation37%
- Ischemic heart disease37%
- Diabetes31%
- Chronic kidney disease28%
- Heart failure27%
Share of Medicare patients with each condition. A patient can have several.
Dr. Marshall's patients across all payers
Dmand AI patient panel data covers Medicare, Medicaid and commercial patients.
Patient panel by age, all payers
Median age 63
Patient panel by sex, all payers
- Women52%
- Men48%
Sources: Dmand AI Patient Panel Data; and Medicare Physician & Other Practitioners - by Provider (CMS), 2024 data
How Dr. John Jay Marshall takes part in Medicare
Dr. Marshall accepts Medicare assignment, so Medicare's approved amount is taken as full payment.
- Accepts Medicare assignment
- Yes
Source: Doctors and Clinicians National Downloadable File (CMS)
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Dr. John Jay Marshall received $516 in industry payments from 2016 to 2023
CMS Open Payments shows 8 general payments to Dr. Marshall from 7 drug and device companies from 2016 to 2023. Food and beverage make up the largest share, 100% of the total. Pajunk Medical Systems, LP paid the most, $101.
General payments to Dr. Marshall by program year, 2016 to 2023
Companies that paid Dr. Marshall the most, 2016 to 2023
Share is of all general payments to this clinician.
Source: Open Payments (CMS), 2025 data, released July 7, 2026
Dr. John Jay Marshall graduated from Indiana University School Of Medicine
Dr. Marshall graduated from Indiana University School Of Medicine in 1983.
- Medical school
- Board certified in anesthesiology
Source: Dmand AI Professional Profile Data
Dr. John Jay Marshall accepts plans from 4 insurance carriers
Dr. Marshall is in network with 4 carriers, including United Healthcare, CMS Medicare and HCSC. Medicare plans come from the most carriers, 2. Check the plan with the practice before a visit.
- United Healthcare
- CMS Medicare
- HCSC
- NV State Medicaid
Plan types Dr. Marshall accepts, by number of carriers
- Medicare2
- HMO1
- Medicaid1
- PPO1
Source: Dmand AI Insurance Network Data
Sources for Dr. John Jay Marshall's profile data
| Data on this page | Source |
|---|---|
| NPI, name, sex, specialty and licenses | NPPES NPI Registry (CMS) (opens in a new tab)Dmand AI Professional Profile Data |
| Practice locations and phone | Dmand AI Affiliation Data |
| Primary practice, affiliations and health system | Dmand AI Affiliation DataDmand AI Org Hierarchy Data |
| Medicare services and procedure codes | Medicare Physician & Other Practitioners - by Provider and Service (CMS) (opens in a new tab) |
| State medians for the same specialty | Dmand AI Peer Benchmarks |
| Medicare patients and the all-payer patient panel | Dmand AI Patient Panel DataMedicare Physician & Other Practitioners - by Provider (CMS) (opens in a new tab) |
| MIPS scores, telehealth, assignment and procedure percentiles | Doctors and Clinicians National Downloadable File (CMS) (opens in a new tab) |
| Industry payments | Open Payments (CMS) (opens in a new tab) |
| Training, board certification and memberships | Dmand AI Professional Profile Data |
| Insurance carriers and plan types | Dmand AI Insurance Network Data |
| EHR at each practice site | Dmand AI Technology Install Data |
| Similar physicians | Dmand AI Affiliation Data |
Data last refreshed October 2026Report an inaccuracyRemove my information
FAQ
Frequently asked questions about Dr. John Jay Marshall
Spotted something out of date? Email hello@dmand.ai and we will check the record. Contact details live in the free trial.
What is Dr. John Jay Marshall's NPI number?
Dr. John Jay Marshall's NPI number is 1083780506. It was assigned on November 27, 2006, and it is active in the NPI Registry.
What kind of doctor is Dr. John Jay Marshall?
Dr. John Jay Marshall is an anesthesiologist in Reno, Nevada. The primary specialty in the NPI Registry is Anesthesiology Physician (taxonomy code 207L00000X).
Where does Dr. John Jay Marshall practice?
Dr. Marshall practices at 1155 Mill Street, Reno, NV 89502. Dr. Marshall's primary practice is Renown Regional Medical Center in Reno, Nevada, part of Renown Health. Dmand AI also links Dr. Marshall to 1 medical group.
What is Dr. John Jay Marshall's office phone number?
The practice phone on file for Dr. Marshall is (775) 982-4100.
What is Dr. John Jay Marshall's medical license number?
Dr. Marshall holds Nevada license 5466, one of the licenses on file in 2 states.
Which states has Dr. John Jay Marshall been licensed in?
Dmand AI has state licenses on file for Dr. Marshall in Nevada (1987 to 2027) and Utah (1984 to 1988).
Which hospitals is Dr. John Jay Marshall affiliated with?
Dr. Marshall practices at Renown Regional Medical Center in Reno, Nevada. Dr. Marshall is also affiliated with Renown South Meadows Medical Center.
What medical group is Dr. John Jay Marshall part of?
Dr. Marshall is linked to Renown Health. Dmand AI links Dr. Marshall to 1 more medical group.
Does Dr. John Jay Marshall accept Medicare?
Yes. CMS data shows Dr. Marshall billed Medicare for 14 services in 2024, and Dr. Marshall accepts Medicare assignment.
How many Medicare patients does Dr. John Jay Marshall see?
CMS counts 109 Medicare patients who saw Dr. Marshall in 2024, with an average age of 74.
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Is Dr. John Jay Marshall board certified?
Yes. Dr. Marshall is board certified in anesthesiology by the American Board of Anesthesiology.
What services does Dr. John Jay Marshall bill to Medicare?
In 2024, Dr. Marshall's most billed Medicare services were surgery: heart and blood vessels (36620).
Where did Dr. John Jay Marshall go to medical school?
Dr. Marshall graduated from Indiana University School Of Medicine in 1983.
Has Dr. John Jay Marshall received payments from drug or device companies?
CMS Open Payments shows $516 in general payments to Dr. Marshall from 7 companies from 2016 to 2023. The largest total came from Pajunk Medical Systems, LP.
How long has Dr. John Jay Marshall been practicing?
Dr. Marshall graduated from medical school in 1983, 43 years ago.
What insurance does Dr. John Jay Marshall accept?
Dr. Marshall is in network with 4 carriers, including United Healthcare, CMS Medicare and HCSC. Medicare plans come from the most carriers, 2. Check the plan with the practice before a visit.
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