Dr. Marvin Gerald Riske, MD
- Medicare services, 2022
- 22
- Part D claims, 2024
- 26
- Industry payments
- $73
- Affiliated sites
- 3
- Medical groups
- 2
- Practice address
- 500 N Highway 89, Prescott, AZ 86313
- Practice phone
- Call (702) 341-3152
- Professional email
- Get professional email
- Personal email
- Get personal email
- Mobile number
- Get mobile number
Primary practice
Bob Stump Department of Veterans Affairs Medical Center
VA Clinic / Health Facility · Prescott, Arizona
Find Dr. Riske's professional email, personal email and mobile number
Dmand AI checks each channel through healthcare-specific waterfall enrichment. See what is on file with a free account, with practice phones, licenses and affiliations.
Dr. Marvin Gerald Riske is an internist in Prescott, Arizona
Dr. Riske practices at Bob Stump Department of Veterans Affairs Medical Center in Prescott, Arizona.
Dr. Riske's NPI, 1295827871, was assigned on September 29, 2006. Dr. Riske graduated from Wayne State University School of Medicine in 1990. Dr. Riske holds Arizona license 21421.
- NPI
- 1295827871NPI Registry (opens in a new tab)
- NPI enumeration date
- September 29, 2006
- NPI status
- Active
- Practice phone
- (702) 341-3152
- Professional email
- Get email
- Personal email
- Get email
- Mobile number
- Get number
- Sex
- Male
- Estimated age
- 62
- Medical school graduation
- 1990
Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; and Dmand AI Affiliation Data
Dr. Marvin Gerald Riske practices at Bob Stump Department of Veterans Affairs Medical Center in Prescott, Arizona
Dr. Riske's primary practice is Bob Stump Department of Veterans Affairs Medical Center, at 500 N Highway 89, Prescott, AZ 86313. The practice phone is (702) 341-3152.
- Bob Stump Department of Veterans Affairs Medical Center500 N Highway 89, Prescott, AZ 86313Phone(702) 341-3152
Source: Dmand AI Affiliation Data
Dr. Marvin Gerald Riske is affiliated with 3 sites of care and 2 medical groups
Dr. Riske's primary practice is Bob Stump Department of Veterans Affairs Medical Center in Prescott, Arizona. The medical group on file is Good Health Medical, PC. Dmand AI also links Dr. Riske to 2 more group practices and clinics and 1 medical group, each named with a free account. Dr. Riske's employer is on file too: a government & correctional health.
Sources: Dmand AI Affiliation Data; and Dmand AI Org Hierarchy Data
Dmand AI tracks the EHR system at Dr. Marvin Gerald Riske's practice
Dmand AI tracks the electronic health record (EHR) system at each site where Dr. Riske practices, 3 sites in all. Vendor and product names are available with a free account.
| Site | EHR vendor and product |
|---|---|
| Bob Stump Department of Veterans Affairs Medical Center | Available with a free account |
| +2 more sites and 1 medical group | Available with a free account |
Source: Dmand AI Technology Install Data
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Dr. Marvin Gerald Riske is one of 2,420 internists in Arizona
Internal medicine is Dr. Riske's primary specialty in the NPI Registry, under taxonomy code 207R00000X. Dr. Riske is licensed in Arizona.
Specialties and state licenses
- Internal medicine, ArizonaPrimary
Internists near Dr. Riske
Counts of internists 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. Marvin Gerald Riske billed Medicare for 22 services in 2022
CMS data shows 22 Medicare services from Dr. Riske across 1 procedure code in 2022, all of them office visits. Medicare paid $1,250 for them. Every service was in an office.
Dr. Riske's Medicare services by type, 2021 to 2022
- 2021
- 2022
- Office and hospital visits
- 2021: 152022: 2247%
- Other services
- 2021: 422022: 0100%
Dr. Riske compared with the Arizona median for internists, 2022
- Dr. Riske
- Arizona median
- Medicare services
- 22vs 47695% below
- Part D claims
- 63vs 26076% below
Medians across 2,300 internists in Arizona with Dmand AI profiles that report each measure.
Dr. Riske's most billed Medicare procedure codes, 2022
CMS publishes codes billed for 11 or more Medicare patients. Each label is the code family; CPT descriptions are licensed by the AMA.
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Medicare shows one payer. Book a meeting to get commercial claims data for Dr. Riske and other internists in Arizona.
Sources: Medicare Physician & Other Practitioners - by Provider and Service (CMS), 2024 data; and Dmand AI Peer Benchmarks
Dr. Marvin Gerald Riske's patients have a median age of 53
Across all payers, Dmand AI patient panel data puts Dr. Riske's median patient age at 53, with 57% women.
Dr. Riske's patients across all payers
Dmand AI patient panel data covers Medicare, Medicaid and commercial patients.
Patient panel by age, all payers
Median age 53
Patient panel by sex, all payers
- Women57%
- Men42%
Source: Dmand AI Patient Panel Data
Dr. Marvin Gerald Riske wrote 26 Medicare Part D claims in 2024
In 2024, Dr. Riske wrote 26 Medicare Part D claims. 96% of them were for generic drugs. They cover 4 drugs, with $943 in total drug cost. In 2019, CMS named 999 claims across 38 drugs.
Dr. Riske's Part D claims by kind of drug, 2024
- Generic25 claims96%
- Brand-name and other1 claims4%
Dr. Riske's most prescribed drugs by claims, 2020
CMS names a drug when it has 11 or more claims. Share is of the claims for drugs CMS names.
Part D claims for drugs CMS names, 2019 to 2020
- 2019
- 2020
- Claims for drugs CMS names
- 2019: 9992020: 6394%
Drugs named by CMS: 4 in 2020, 38 in 2019.
Sources: Medicare Part D Prescribers - by Provider and Drug (CMS), 2024 data, released May 6, 2026; and Medicare Part D Prescribers - by Provider (CMS), 2024 data
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Dr. Marvin Gerald Riske received $73 in industry payments from 2016 to 2021
CMS Open Payments shows 5 general payments to Dr. Riske from 4 drug and device companies from 2016 to 2021. Food and beverage make up the largest share, 100% of the total. Bausch Health Americas, Inc. paid the most, $25.
General payments to Dr. Riske by program year, 2016 to 2021
Companies that paid Dr. Riske the most, 2016 to 2021
Share is of all general payments to this clinician.
Source: Open Payments (CMS), 2025 data, released July 7, 2026
Dr. Marvin Gerald Riske graduated from Wayne State University School of Medicine
Dr. Riske graduated from Wayne State University School of Medicine in 1990.
- Medical school
Source: Dmand AI Professional Profile Data
Sources for Dr. Marvin Gerald Riske'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 Data |
| Part D prescribing | Medicare Part D Prescribers - by Provider and Drug (CMS) (opens in a new tab)Medicare Part D Prescribers - by Provider (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 |
| 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. Marvin Gerald Riske
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. Marvin Gerald Riske's NPI number?
Dr. Marvin Gerald Riske's NPI number is 1295827871. It was assigned on September 29, 2006, and it is active in the NPI Registry.
What kind of doctor is Dr. Marvin Gerald Riske?
Dr. Marvin Gerald Riske is an internist in Prescott, Arizona. The primary specialty in the NPI Registry is Internal Medicine Physician (taxonomy code 207R00000X).
Where does Dr. Marvin Gerald Riske practice?
Dr. Riske practices at 500 N Highway 89, Prescott, AZ 86313. Dr. Riske's primary practice is Bob Stump Department of Veterans Affairs Medical Center in Prescott, Arizona. Dmand AI also links Dr. Riske to 2 group practices and clinics and 1 medical group.
What is Dr. Marvin Gerald Riske's office phone number?
The practice phone on file for Dr. Riske is (702) 341-3152.
What is Dr. Marvin Gerald Riske's medical license number?
Dr. Riske holds Arizona license 21421.
What medical group is Dr. Marvin Gerald Riske part of?
Dr. Riske is linked to Good Health Medical, PC. Dmand AI links Dr. Riske to 1 more medical group.
Does Dr. Marvin Gerald Riske accept Medicare?
Yes. CMS data shows Dr. Riske billed Medicare for 22 services in 2022.
What services does Dr. Marvin Gerald Riske bill to Medicare?
In 2022, Dr. Riske's most billed Medicare services were office visit, established patient (99214).
Where did Dr. Marvin Gerald Riske go to medical school?
Dr. Riske graduated from Wayne State University School of Medicine in 1990.
What drugs does Dr. Marvin Gerald Riske prescribe most?
In 2020 Medicare Part D data, Dr. Riske's most prescribed drugs by claims were Levothyroxine Sodium, Atorvastatin Calcium and Metformin HCl.
Has Dr. Marvin Gerald Riske received payments from drug or device companies?
CMS Open Payments shows $73 in general payments to Dr. Riske from 4 companies from 2016 to 2021. The largest total came from Bausch Health Americas, Inc.
How long has Dr. Marvin Gerald Riske been practicing?
Dr. Riske graduated from medical school in 1990, 36 years ago.
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