Dr. Michael Stephen Guy, MD
- Medicare services, 2024
- 307
- Medicare patients, 2024
- 132
- Part D claims, 2024
- 363
- MIPS score, 2024
- 81
- Hospital affiliations
- 5
- Practice address
- One Wyoming Street, Dayton, OH 45409
- Practice phone
- Call (937) 208-3023
- Professional email
- Get professional email
- Personal email
- Get personal email
- Mobile number
- Get mobile number
Primary practice
Find Dr. Guy's professional email, personal email and mobile number
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Dr. Michael Stephen Guy is a gynecologic oncologist in Dayton, Ohio
Dr. Guy practices at Miami Valley Hospital in Dayton, Ohio, part of Premier Health.
Dr. Guy's NPI, 1174773287, was assigned on September 25, 2008. Dr. Guy graduated from Wright State University Boonshoft School of Medicine in 2008. Dr. Guy holds Ohio license 35.125746.
- NPI
- 1174773287NPI Registry (opens in a new tab)
- Medicare PAC ID
- 9335396704
- NPI enumeration date
- September 25, 2008
- NPI status
- Active
- Accepts Medicare assignment
- Yes
- Offers telehealth
- Yes
- Practice phone
- (937) 208-3023
- Professional email
- Get email
- Personal email
- Get email
- Mobile number
- Get number
- Sex
- Male
- Estimated age
- 44
- Medical school graduation
- 2008
Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; Dmand AI Affiliation Data; and Doctors and Clinicians National Downloadable File (CMS)
Dr. Michael Stephen Guy practices at 2 locations in Dayton, Ohio
Dr. Guy's primary practice is Miami Valley Hospital, at One Wyoming Street, Dayton, OH 45409 in Montgomery County. The practice phone is (937) 208-3023. Dr. Guy also practices at Miami Valley Hospital, 1 Wyoming St, Dayton, OH 45409.
- Miami Valley HospitalPrimaryOne Wyoming Street, Dayton, OH 45409 · Montgomery CountyPhone(937) 208-3023
- Miami Valley Hospital1 Wyoming St, Dayton, OH 45409 · Montgomery CountyPhone(937) 208-8000
Sources: NPPES NPI Registry (CMS); Dmand AI Affiliation Data; and Dmand AI Practice Data
Dr. Michael Stephen Guy is affiliated with 10 sites of care and 3 medical groups
Dr. Guy's primary practice is Miami Valley Hospital in Dayton, Ohio, part of Premier Health. Dr. Guy is also affiliated with Kettering Health Dayton. The medical group on file is University of Cincinnati Physicians. Dmand AI also links Dr. Guy to 3 more hospitals, 3 group practices and clinics, 2 medical groups, 1 breast imaging center and 1 home health agency, each named with a free account.
Sources: Dmand AI Affiliation Data; and Dmand AI Org Hierarchy Data
Dmand AI tracks the EHR system at Dr. Michael Stephen Guy's practice
Dmand AI tracks the electronic health record (EHR) system at each site where Dr. Guy practices, 10 sites in all. Vendor and product names are available with a free account.
| Site | EHR vendor and product |
|---|---|
| Miami Valley Hospital | Available with a free account |
| +9 more sites and 2 medical groups | Available with a free account |
Source: Dmand AI Technology Install Data
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Dr. Michael Stephen Guy is one of 64 gynecologic oncologists in Ohio
Gynecologic oncology is Dr. Guy's primary specialty in the NPI Registry, under taxonomy code 207VX0201X. Dr. Guy is board certified in gynecologic oncology by the American Board of Obstetrics and Gynecology. Dr. Guy is licensed in Ohio.
Specialties and state licenses
- Gynecologic oncology, OhioPrimary
Gynecologic oncologists near Dr. Guy
Counts of gynecologic 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. Michael Stephen Guy billed Medicare for 307 services in 2024
CMS data shows 307 Medicare services from Dr. Guy across 9 procedure codes in 2024, for 132 Medicare patients. Medicare paid $38,589 for them.
Dr. Guy's Medicare services by type, 2023 to 2024
- 2023
- 2024
- Office and hospital visits
- 2023: 3152024: 26217%
- Surgery
- 2023: 202024: 45125%
Where Dr. Guy's Medicare services took place, 2024
- In an office21369%
- In a facility9431%
Dr. Guy compared with the Ohio median for gynecologic oncologists, 2024
- Dr. Guy
- Ohio median
- Medicare services
- 307vs 299Close to median
- Medicare patients
- 132vs 132Close to median
- Part D claims
- 258vs 594.4 times
Medians across 63 gynecologic oncologists in Ohio with Dmand AI profiles that report each measure.
Dr. Guy'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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Sources: Medicare Physician & Other Practitioners - by Provider and Service (CMS), 2024 data; and Dmand AI Peer Benchmarks
Dr. Michael Stephen Guy treated 132 Medicare patients in 2024, average age 72
CMS counts 132 Medicare patients who saw Dr. Guy in 2024. The largest group is 65 to 74, with 64 patients. 75% of them have high blood pressure, and 70% have high cholesterol. 10% are also on Medicaid. Their average risk score is 1.69, 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. Guy's median patient age at 66, with 99% women.
Dr. Guy's Medicare patients by age, 2024
Chronic conditions among Dr. Guy's Medicare patients, 2024
- High blood pressure75%
- High cholesterol70%
- Cancer54%
- Arthritis49%
- Anxiety35%
- Mood disorders33%
- Depression32%
- Chronic kidney disease27%
Share of Medicare patients with each condition. A patient can have several.
Dr. Guy's patients across all payers
Dmand AI patient panel data covers Medicare, Medicaid and commercial patients.
Patient panel by age, all payers
Median age 66
Patient panel by sex, all payers
- Women99%
- Men0%
Sources: Dmand AI Patient Panel Data; and Medicare Physician & Other Practitioners - by Provider (CMS), 2024 data
Dr. Michael Stephen Guy wrote 363 Medicare Part D claims in 2024
In 2024, Dr. Guy wrote 363 Medicare Part D claims for 79 patients. 80% of them were for generic drugs. CMS names the drug for 258 of them, across 9 drugs with 11 or more claims each, at $1,079,526 in total drug cost. In 2023, CMS named 339 claims across 8 drugs.
Dr. Guy's Part D claims by kind of drug, 2024
- Generic291 claims80%
- Brand-name72 claims20%
Dr. Guy'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. Guy's Part D claims, 2024
- Opioids7%26 of 363 claims
- Antibiotics4%13 of 363 claims
- Antipsychotics, patients 65 and over10%36 of 363 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: 3392024: 25824%
Drugs named by CMS: 9 in 2024, 8 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. Michael Stephen Guy scored 81 out of 100 in Medicare's MIPS program for 2024
CMS publishes a Merit-based Incentive Payment System (MIPS) score of 81 out of 100 for Dr. Guy for performance year 2024, reported as part of a group. Dr. Guy accepts Medicare assignment, so Medicare's approved amount is taken as full payment. CMS lists Dr. Guy as offering telehealth. CMS counts 19 procedures of removal of the uterus by Dr. Guy, more than 92% of the clinicians it reports for that procedure.
- Accepts Medicare assignment
- Yes
- Offers telehealth
- Yes
Dr. Guy's MIPS scores, performance year 2024
- 81of 100Final score
- 66.3of 100Quality
- 100of 100Promoting Interoperability
- 40of 100Improvement Activities
- 72of 100Cost
Each score is out of 100. The final score weighs the categories CMS scored for this clinician.
Where Dr. Guy ranks in Medicare procedure volume
- Removal of the uterus
- 92nd percentile19 procedures
CMS ranks each clinician against every clinician it reports for the same procedure category.
Sources: Doctors and Clinicians National Downloadable File (CMS); Clinician Public Reporting: Overall MIPS Performance (CMS), 2024 data, released September 10, 2026; and Doctors and Clinicians Utilization Data (CMS)
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Dr. Michael Stephen Guy received $4,852 in industry payments from 2016 to 2025
CMS Open Payments shows 36 general payments to Dr. Guy from 9 drug and device companies from 2016 to 2025. Travel and lodging make up the largest share, 58% of the total. Merck Sharp & Dohme Corporation paid the most, $2,576.
General payments to Dr. Guy by program year, 2016 to 2025
General payments to Dr. Guy by kind, 2016 to 2025
- Travel and lodging$2,80058%
- Food and beverage$2,05242%
Companies that paid Dr. Guy the most, 2016 to 2025
Share is of all general payments to this clinician.
Source: Open Payments (CMS), 2025 data, released July 7, 2026
Dr. Michael Stephen Guy graduated from Wright State University Boonshoft School of Medicine
Dr. Guy graduated from Wright State University Boonshoft School of Medicine in 2008.
- Medical school
- Board certified in gynecologic oncology
Source: Dmand AI Professional Profile Data
Sources for Dr. Michael Stephen Guy'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 | NPPES NPI Registry (CMS) (opens in a new tab)Dmand AI Affiliation DataDmand AI Practice 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 | Doctors and Clinicians National Downloadable File (CMS) (opens in a new tab)Clinician Public Reporting: Overall MIPS Performance (CMS) (opens in a new tab)Doctors and Clinicians Utilization Data (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. Michael Stephen Guy
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. Michael Stephen Guy's NPI number?
Dr. Michael Stephen Guy's NPI number is 1174773287. It was assigned on September 25, 2008, and it is active in the NPI Registry.
What kind of doctor is Dr. Michael Stephen Guy?
Dr. Michael Stephen Guy is a gynecologic oncologist in Dayton, Ohio. The primary specialty in the NPI Registry is Gynecologic Oncology Physician (taxonomy code 207VX0201X).
Where does Dr. Michael Stephen Guy practice?
Dr. Guy practices at One Wyoming Street, Dayton, OH 45409. Dr. Guy also practices at 1 Wyoming St, Dayton, OH 45409. Dr. Guy's primary practice is Miami Valley Hospital in Dayton, Ohio, part of Premier Health. Dmand AI also links Dr. Guy to 3 hospitals, 3 group practices and clinics, 2 medical groups, 1 breast imaging center and 1 home health agency.
What is Dr. Michael Stephen Guy's office phone number?
The practice phone on file for Dr. Guy is (937) 208-3023.
What is Dr. Michael Stephen Guy's medical license number?
Dr. Guy holds Ohio license 35.125746.
Which hospitals is Dr. Michael Stephen Guy affiliated with?
Dr. Guy practices at Miami Valley Hospital in Dayton, Ohio. Dr. Guy is also affiliated with Kettering Health Dayton. Dmand AI links Dr. Guy to 3 more hospitals.
What medical group is Dr. Michael Stephen Guy part of?
Dr. Guy is linked to University of Cincinnati Physicians. Dmand AI links Dr. Guy to 2 more medical groups.
Does Dr. Michael Stephen Guy accept Medicare?
Yes. CMS data shows Dr. Guy billed Medicare for 307 services in 2024, and Dr. Guy accepts Medicare assignment.
Does Dr. Michael Stephen Guy offer telehealth?
Yes. The CMS Doctors and Clinicians file lists Dr. Guy as offering telehealth services.
What is Dr. Michael Stephen Guy's MIPS score?
Dr. Guy's MIPS final score for performance year 2024 is 81 out of 100, reported as part of a group.
Show 7 more questionsShow fewer questions
How many Medicare patients does Dr. Michael Stephen Guy see?
CMS counts 132 Medicare patients who saw Dr. Guy in 2024, with an average age of 72.
Is Dr. Michael Stephen Guy board certified?
Yes. Dr. Guy is board certified in gynecologic oncology by the American Board of Obstetrics and Gynecology.
What services does Dr. Michael Stephen Guy bill to Medicare?
In 2024, Dr. Guy's most billed Medicare services were office visit, established patient (99215), office visit, established patient (99214) and office visit, established patient (99213).
Where did Dr. Michael Stephen Guy go to medical school?
Dr. Guy graduated from Wright State University Boonshoft School of Medicine in 2008.
What drugs does Dr. Michael Stephen Guy prescribe most?
In 2024 Medicare Part D data, Dr. Guy's most prescribed drugs by claims were Lynparza, Ondansetron HCl and Olanzapine.
Has Dr. Michael Stephen Guy received payments from drug or device companies?
CMS Open Payments shows $4,852 in general payments to Dr. Guy from 9 companies from 2016 to 2025. The largest total came from Merck Sharp & Dohme Corporation.
How long has Dr. Michael Stephen Guy been practicing?
Dr. Guy graduated from medical school in 2008, 18 years ago.
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