Dr. Gregory Gerritt Marino, DO
- Medicare services, 2024
- 161
- Medicare patients, 2024
- 121
- Part D claims, 2024
- 98
- MIPS score, 2024
- 91
- Hospital affiliations
- 2
- Practice address
- 214 East 23rd Street, Cheyenne, WY 82001
- Practice phone
- Call (307) 633-2273
- Professional email
- Get professional email
- Personal email
- Get personal email
- Mobile number
- Get mobile number
Primary practice
Find Dr. Marino'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. Gregory Gerritt Marino is a hematologist and oncologist in Cheyenne, Wyoming
Dr. Marino practices at Cheyenne Regional Medical Center in Cheyenne, Wyoming, part of Laramie County Shooting Sports Complex.
Dr. Marino's NPI, 1023054285, was assigned on June 22, 2006. Dr. Marino graduated from Midwestern University, Chicago College of Osteopathic Med in 1980. Dr. Marino holds Wyoming license 9050A.
- NPI
- 1023054285NPI Registry (opens in a new tab)
- NPI enumeration date
- June 22, 2006
- NPI status
- Active
- Practice phone
- (307) 633-2273
- Professional email
- Get email
- Personal email
- Get email
- Mobile number
- Get number
- Sex
- Male
- Estimated age
- 72
- Medical school graduation
- 1980
Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; and Dmand AI Affiliation Data
Dr. Gregory Gerritt Marino practices at Cheyenne Regional Medical Center in Cheyenne, Wyoming
Dr. Marino's primary practice is Cheyenne Regional Medical Center, at 214 East 23rd Street, Cheyenne, WY 82001 in Laramie County. The practice phone is (307) 633-2273.
- Cheyenne Regional Medical Center214 East 23rd Street, Cheyenne, WY 82001 · Laramie CountyPhone(307) 633-2273
Source: Dmand AI Affiliation Data
Dr. Gregory Gerritt Marino is affiliated with 2 sites of care and 5 medical groups
Dr. Marino's primary practice is Cheyenne Regional Medical Center in Cheyenne, Wyoming, part of Laramie County Shooting Sports Complex. Dr. Marino is also affiliated with Sheridan Memorial Hospital. The medical group on file is Cheyenne Regional Medical Center. Dmand AI also links Dr. Marino to 4 more medical groups, each named with a free account. Dr. Marino's employer is on file too: a hospital.
Sources: Dmand AI Affiliation Data; and Dmand AI Org Hierarchy Data
Dmand AI tracks the EHR system at Dr. Gregory Gerritt Marino's practice
Dmand AI tracks the electronic health record (EHR) system at each site where Dr. Marino practices, 2 sites in all. Vendor and product names are available with a free account.
| Site | EHR vendor and product |
|---|---|
| Cheyenne Regional Medical Center | Available with a free account |
| +1 more site and 4 medical groups | 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 Laramie County Shooting Sports Complex and 6.2K+ hospitals, with verified contacts in the same login.
Dr. Gregory Gerritt Marino is one of 17 hematologists and oncologists in Wyoming
Hematology and oncology is Dr. Marino's primary specialty in the NPI Registry, under taxonomy code 207RH0003X. Dmand AI has Dr. Marino's licenses on file in 2 states: Wyoming and Alaska.
Specialties and state licenses
- Hematology and oncology, WyomingPrimary
- Alaska license
Hematologists and oncologists near Dr. Marino
Counts of hematologists and oncologists 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. Gregory Gerritt Marino billed Medicare for 161 services in 2024
CMS data shows 161 Medicare services from Dr. Marino across 3 procedure codes in 2024, all of them office visits, for 121 Medicare patients. Medicare paid $9,812 for them. Every service was in a facility, such as a hospital, rather than an office.
Dr. Marino's Medicare services by type, 2023 to 2024
- 2023
- 2024
- Office and hospital visits
- 2023: 2132024: 16124%
Dr. Marino compared with the Wyoming median for hematologists and oncologists, 2024
- Dr. Marino
- Wyoming median
- Medicare services
- 161vs 41261% below
- Medicare patients
- 121vs 24250% below
- Part D claims
- 11vs 46898% below
Medians across 14 hematologists and oncologists in Wyoming with Dmand AI profiles that report each measure.
Dr. Marino'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.
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Medicare shows one payer. Book a meeting to get commercial claims data for Dr. Marino and other hematologists and oncologists in Wyoming.
Sources: Medicare Physician & Other Practitioners - by Provider and Service (CMS), 2024 data; and Dmand AI Peer Benchmarks
Dr. Gregory Gerritt Marino treated 121 Medicare patients in 2024, average age 72
CMS counts 121 Medicare patients who saw Dr. Marino in 2024. The largest group is 65 to 74, with 60 patients. 66% of them have high blood pressure, and 55% have cancer. 53% are also on Medicaid. Their average risk score is 2.26, where 1.00 is the Medicare average, so they are sicker than most Medicare patients.
Across all payers, Dmand AI patient panel data puts Dr. Marino's median patient age at 72, with 68% women.
Dr. Marino's Medicare patients by age, 2024
Dr. Marino's Medicare patients by sex, 2024
- Women7663%
- Men4537%
Chronic conditions among Dr. Marino's Medicare patients, 2024
- High blood pressure66%
- Cancer55%
- High cholesterol51%
- Arthritis40%
- Tobacco use31%
- Diabetes26%
- COPD25%
- Osteoporosis24%
Share of Medicare patients with each condition. A patient can have several.
Dr. Marino's patients across all payers
Dmand AI patient panel data covers Medicare, Medicaid and commercial patients.
Patient panel by age, all payers
Median age 72
Patient panel by sex, all payers
- Women68%
- Men32%
Sources: Dmand AI Patient Panel Data; and Medicare Physician & Other Practitioners - by Provider (CMS), 2024 data
Dr. Gregory Gerritt Marino wrote 98 Medicare Part D claims in 2024
In 2024, Dr. Marino wrote 98 Medicare Part D claims for 31 patients. 85% of them were for generic drugs. CMS names the drug for 11 of them, across 1 drug with 11 or more claims each, at $207 in total drug cost. In 2023, CMS named 49 claims across 3 drugs.
Dr. Marino's Part D claims by kind of drug, 2024
- Generic83 claims85%
- Brand-name15 claims15%
Dr. Marino's most prescribed drugs by claims, 2024
CMS names a drug when it has 11 or more claims. Share is of the claims for drugs CMS names.
Drug classes CMS tracks in Dr. Marino's Part D claims, 2024
- Opioids12%12 of 98 claims
Share of all Part D claims for each drug class CMS reports on. Classes with no claims are left out.
Part D claims for drugs CMS names, 2023 to 2024
- 2023
- 2024
- Claims for drugs CMS names
- 2023: 492024: 1178%
Drugs named by CMS: 1 in 2024, 3 in 2023.
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
Dr. Gregory Gerritt Marino scored 91 out of 100 in Medicare's MIPS program for 2024
CMS publishes a Merit-based Incentive Payment System (MIPS) score of 91 out of 100 for Dr. Marino for performance year 2024, reported as part of a group.
Dr. Marino's MIPS scores, performance year 2024
- 91of 100Final score
- 70.1of 100Quality
- 100of 100Promoting Interoperability
- 40of 100Improvement Activities
- 83of 100Cost
Each score is out of 100. The final score weighs the categories CMS scored for this clinician.
Source: Clinician Public Reporting: Overall MIPS Performance (CMS), 2024 data, released September 10, 2026
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Dr. Gregory Gerritt Marino received $890 in industry payments from 2016 to 2021
CMS Open Payments shows 39 general payments to Dr. Marino from 20 drug and device companies from 2016 to 2021. Food and beverage make up the largest share, 79% of the total. Amgen Inc. paid the most, $167.
General payments to Dr. Marino by program year, 2016 to 2021
General payments to Dr. Marino by kind, 2016 to 2021
- Food and beverage$70579%
- Education$18621%
Companies that paid Dr. Marino 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. Gregory Gerritt Marino graduated from Midwestern University, Chicago College of Osteopathic Med
Dr. Marino graduated from Midwestern University, Chicago College of Osteopathic Med in 1980.
- Medical school
Source: Dmand AI Professional Profile Data
Sources for Dr. Gregory Gerritt Marino'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) |
| 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) |
| MIPS scores, telehealth, assignment and procedure percentiles | Clinician Public Reporting: Overall MIPS Performance (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. Gregory Gerritt Marino
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. Gregory Gerritt Marino's NPI number?
Dr. Gregory Gerritt Marino's NPI number is 1023054285. It was assigned on June 22, 2006, and it is active in the NPI Registry.
What kind of doctor is Dr. Gregory Gerritt Marino?
Dr. Gregory Gerritt Marino is a hematologist and oncologist in Cheyenne, Wyoming. The primary specialty in the NPI Registry is Hematology & Oncology Physician (taxonomy code 207RH0003X).
Where does Dr. Gregory Gerritt Marino practice?
Dr. Marino practices at 214 East 23rd Street, Cheyenne, WY 82001. Dr. Marino's primary practice is Cheyenne Regional Medical Center in Cheyenne, Wyoming, part of Laramie County Shooting Sports Complex. Dmand AI also links Dr. Marino to 4 medical groups.
What is Dr. Gregory Gerritt Marino's office phone number?
The practice phone on file for Dr. Marino is (307) 633-2273.
What is Dr. Gregory Gerritt Marino's medical license number?
Dr. Marino holds Wyoming license 9050A, one of the licenses on file in 2 states.
Which states has Dr. Gregory Gerritt Marino been licensed in?
Dmand AI has state licenses on file for Dr. Marino in Wyoming and Alaska.
Which hospitals is Dr. Gregory Gerritt Marino affiliated with?
Dr. Marino practices at Cheyenne Regional Medical Center in Cheyenne, Wyoming. Dr. Marino is also affiliated with Sheridan Memorial Hospital.
What medical group is Dr. Gregory Gerritt Marino part of?
Dr. Marino is linked to Cheyenne Regional Medical Center. Dmand AI links Dr. Marino to 4 more medical groups.
Does Dr. Gregory Gerritt Marino accept Medicare?
Yes. CMS data shows Dr. Marino billed Medicare for 161 services in 2024.
What is Dr. Gregory Gerritt Marino's MIPS score?
Dr. Marino's MIPS final score for performance year 2024 is 91 out of 100, reported as part of a group.
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How many Medicare patients does Dr. Gregory Gerritt Marino see?
CMS counts 121 Medicare patients who saw Dr. Marino in 2024, with an average age of 72.
What services does Dr. Gregory Gerritt Marino bill to Medicare?
In 2024, Dr. Marino's most billed Medicare services were office visit, established patient (99213), office visit, established patient (99214) and office visit, established patient (99212).
Where did Dr. Gregory Gerritt Marino go to medical school?
Dr. Marino graduated from Midwestern University, Chicago College of Osteopathic Med in 1980.
What drugs does Dr. Gregory Gerritt Marino prescribe most?
In 2024 Medicare Part D data, Dr. Marino's most prescribed drugs by claims were Anastrozole.
Has Dr. Gregory Gerritt Marino received payments from drug or device companies?
CMS Open Payments shows $890 in general payments to Dr. Marino from 20 companies from 2016 to 2021. The largest total came from Amgen Inc.
How long has Dr. Gregory Gerritt Marino been practicing?
Dr. Marino graduated from medical school in 1980, 46 years ago.
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