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Dr. Grant Charles Gase, DO
NPI1750918884PAC ID9335570076
- Medicare services, 2024
- 16
- Medicare patients, 2024
- 40
- Part D claims, 2024
- 87
- Publications
- 1
- MIPS score, 2024
- 86
- Practice address
- 1000 McKinley Park Drive, Marion, OH 43302
- Practice phone
- Call (740) 383-8400
- Professional email
- Get professional email
- Personal email
- Get personal email
- Mobile number
- Get mobile number
Primary practice
Find Dr. Gase'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. Grant Charles Gase is a psychiatrist in Marion, Ohio
Dr. Gase practices at OhioHealth Marion General Hospital in Marion, Ohio, part of OhioHealth.
Dr. Gase's NPI, 1750918884, was assigned on March 26, 2020. Dr. Gase graduated from Ohio University, College of Osteopathic Medicine in 2020. Dr. Gase holds Ohio license 34.015282.
NPI and contact details
- NPI
- 1750918884NPI Registry (opens in a new tab)
- Medicare PAC ID
- 9335570076
- NPI enumeration date
- March 26, 2020
- NPI status
- Active
- Accepts Medicare assignment
- Yes
- Practice phone
- (740) 383-8400
- Professional email
- Get email
- Personal email
- Get email
- Mobile number
- Get number
- Sex
- Male
- Estimated age
- 32
- Medical school graduation
- 2020
Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; Dmand AI Affiliation Data; and Doctors and Clinicians National Downloadable File (CMS)
Dr. Grant Charles Gase practices at OhioHealth Marion General Hospital in Marion, Ohio
Dr. Gase's primary practice is OhioHealth Marion General Hospital, at 1000 McKinley Park Drive, Marion, OH 43302 in Marion County. The practice phone is (740) 383-8400.
- OhioHealth Marion General Hospital1000 McKinley Park Drive, Marion, OH 43302 · Marion CountyPhone(740) 383-8400
Source: Dmand AI Affiliation Data
Dr. Grant Charles Gase is affiliated with 3 sites of care and 2 medical groups
Dr. Gase's primary practice is OhioHealth Marion General Hospital in Marion, Ohio, part of OhioHealth. The medical group on file is OhioHealth Physician Group. Dmand AI also links Dr. Gase to 2 more group practices and clinics and 1 medical group, each named with a free account.
OhioHealth Physician Group2 group practices and clinicsNames with a free account1 medical groupName with a free account
See all 5 affiliations for Dr. GaseSources: Dmand AI Affiliation Data; and Dmand AI Org Hierarchy Data
Dmand AI tracks the EHR system at Dr. Grant Charles Gase's practice
Dmand AI tracks the electronic health record (EHR) system at each site where Dr. Gase practices, 3 sites in all. Vendor and product names are available with a free account.
| Site | EHR vendor and product |
|---|---|
| OhioHealth Marion General Hospital | 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. Grant Charles Gase is one of 1,227 psychiatrists in Ohio
Psychiatry is Dr. Gase's primary specialty in the NPI Registry, under taxonomy code 2084P0800X. Dr. Gase is licensed in Ohio.
Specialties and state licenses
- Psychiatry, OhioPrimary
Psychiatrists near Dr. Gase
Counts of psychiatrists with a Dmand AI profile, by place and practice. Each opens the list.
1,227psychiatrists in Ohio
7psychiatrists in Marion
3psychiatrists at OhioHealth Marion General HospitalSources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; and Dmand AI Peer Benchmarks
Dr. Grant Charles Gase billed Medicare for 16 services in 2024
CMS data shows 16 Medicare services from Dr. Gase across 1 procedure code in 2024, for 40 Medicare patients. Medicare paid $2,098 for them. Every service was in a facility, such as a hospital, rather than an office.
Medicare services, 202416
Medicare patients40
Paid by Medicare$2,098
Procedure codes1
Dr. Gase compared with the Ohio median for psychiatrists, 2024
- Dr. Gase
- Ohio median
- Medicare services
- 16vs 13188% below
- Medicare patients
- 40vs 4817% below
- Part D claims
- 236vs 2547% below
Medians across 1,320 psychiatrists in Ohio with Dmand AI profiles that report each measure.
Dr. Gase'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. Gase?
Medicare shows one payer. Book a meeting to get commercial claims data for Dr. Gase and other psychiatrists in Ohio.
Sources: Medicare Physician & Other Practitioners - by Provider and Service (CMS), 2024 data; and Dmand AI Peer Benchmarks
Dr. Grant Charles Gase treated 40 Medicare patients in 2024, average age 66
CMS counts 40 Medicare patients who saw Dr. Gase in 2024. The largest group is under 65, with 13 patients. 75% of them have anxiety, and 75% have depression. 53% are also on Medicaid. Their average risk score is 1.95, 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. Gase's median patient age at 61, with 52% women.
Medicare patients, 202440
Average age66
Average risk score1.95
Also on Medicaid53%
Dr. Gase's Medicare patients by age, 2024
CMS leaves out age groups with fewer than 11 patients.
Dr. Gase's Medicare patients by sex, 2024
- Women1948%
- Men2153%
Chronic conditions among Dr. Gase's Medicare patients, 2024
- Anxiety75%
- Depression75%
- High blood pressure75%
- High cholesterol75%
- Mood disorders75%
- Arthritis68%
- Alzheimer's and dementia53%
- Chronic kidney disease53%
Share of Medicare patients with each condition. A patient can have several.
Dr. Gase's patients across all payers
Dmand AI patient panel data covers Medicare, Medicaid and commercial patients.
Patient panel by age, all payers
Median age 61
Patient panel by sex, all payers
- Women52%
- Men48%
Sources: Dmand AI Patient Panel Data; and Medicare Physician & Other Practitioners - by Provider (CMS), 2024 data
Dr. Grant Charles Gase wrote 87 Medicare Part D claims in 2024
In 2024, Dr. Gase wrote 87 Medicare Part D claims for 30 patients. 95% of them were for generic drugs. They cover 9 drugs, with $2,519 in total drug cost. In 2022, CMS named 132 claims across 5 drugs.
Part D claims, 202487
Drugs named by CMS9
Total drug cost$2,519
Part D patients30
Dr. Gase's Part D claims by kind of drug, 2024
- Generic83 claims95%
- Brand-name and other4 claims5%
Dr. Gase's most prescribed drugs by claims, 2023
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, 2022 to 2023
- 2022
- 2023
- Claims for drugs CMS names
- 2022: 1322023: 23679%
Drugs named by CMS: 9 in 2023, 5 in 2022.
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. Grant Charles Gase scored 86 out of 100 in Medicare's MIPS program for 2024
CMS publishes a Merit-based Incentive Payment System (MIPS) score of 86 out of 100 for Dr. Gase for performance year 2024, reported through an alternative payment model (APM). Dr. Gase accepts Medicare assignment, so Medicare's approved amount is taken as full payment.
- Accepts Medicare assignment
- Yes
Dr. Gase's MIPS scores, performance year 2024
- 86of 100Final score
- 71.5of 100Quality
- 96of 100Promoting Interoperability
- 40of 100Improvement Activities
Each score is out of 100. The final score weighs the categories CMS scored for this clinician.
Sources: Doctors and Clinicians National Downloadable File (CMS); and Clinician Public Reporting: Overall MIPS Performance (CMS), 2024 data, released September 10, 2026
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Dr. Grant Charles Gase has 1 publication on record
Dmand AI links 1 paper to Dr. Gase in 2017. Dr. Gase's most frequent co-author is Rita Sharma, MD.
Papers1
Dr. Gase's most frequent co-authors
Recent publications by Dr. Gase
See who Dr. Gase researches with
Physician Network Discovery turns co-authorship, shared hospitals and shared groups into a map of who Dr. Gase works with, so you can find a warm path to the right psychiatrists.
Sources: PubMed (National Library of Medicine); and Dmand AI Research Linkage
Dr. Grant Charles Gase received $114 in industry payments from 2022 to 2023
CMS Open Payments shows 2 general payments to Dr. Gase from 2 drug and device companies from 2022 to 2023. Food and beverage make up the largest share, 100% of the total. Axsome Therapeutics, Inc. paid the most, $95.
General payments to Dr. Gase by program year, 2022 to 2023
Companies that paid Dr. Gase the most, 2022 to 2023
Share is of all general payments to this clinician.
Source: Open Payments (CMS), 2025 data, released July 7, 2026
Dr. Grant Charles Gase graduated from Ohio University, College of Osteopathic Medicine
Dr. Gase graduated from Ohio University, College of Osteopathic Medicine in 2020.
- Medical school
Source: Dmand AI Professional Profile Data
Sources for Dr. Grant Charles Gase'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 | Doctors and Clinicians National Downloadable File (CMS) (opens in a new tab)Clinician Public Reporting: Overall MIPS Performance (CMS) (opens in a new tab) |
| Publications, topics and co-authors | PubMed (National Library of Medicine) (opens in a new tab)Dmand AI Research Linkage |
| 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. Grant Charles Gase
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. Grant Charles Gase's NPI number?
Dr. Grant Charles Gase's NPI number is 1750918884. It was assigned on March 26, 2020, and it is active in the NPI Registry.
What kind of doctor is Dr. Grant Charles Gase?
Dr. Grant Charles Gase is a psychiatrist in Marion, Ohio. The primary specialty in the NPI Registry is Psychiatry Physician (taxonomy code 2084P0800X).
Where does Dr. Grant Charles Gase practice?
Dr. Gase practices at 1000 McKinley Park Drive, Marion, OH 43302. Dr. Gase's primary practice is OhioHealth Marion General Hospital in Marion, Ohio, part of OhioHealth. Dmand AI also links Dr. Gase to 2 group practices and clinics and 1 medical group.
What is Dr. Grant Charles Gase's office phone number?
The practice phone on file for Dr. Gase is (740) 383-8400.
What is Dr. Grant Charles Gase's medical license number?
Dr. Gase holds Ohio license 34.015282.
Which hospitals is Dr. Grant Charles Gase affiliated with?
Dr. Gase practices at OhioHealth Marion General Hospital in Marion, Ohio.
What medical group is Dr. Grant Charles Gase part of?
Dr. Gase is linked to OhioHealth Physician Group. Dmand AI links Dr. Gase to 1 more medical group.
Does Dr. Grant Charles Gase accept Medicare?
Yes. CMS data shows Dr. Gase billed Medicare for 16 services in 2024, and Dr. Gase accepts Medicare assignment.
What is Dr. Grant Charles Gase's MIPS score?
Dr. Gase's MIPS final score for performance year 2024 is 86 out of 100, reported through an alternative payment model (APM).
How many Medicare patients does Dr. Grant Charles Gase see?
CMS counts 40 Medicare patients who saw Dr. Gase in 2024, with an average age of 66.
Show 7 more questionsShow fewer questions
What services does Dr. Grant Charles Gase bill to Medicare?
In 2024, Dr. Gase's most billed Medicare services were hospital inpatient care (99223).
Where did Dr. Grant Charles Gase go to medical school?
Dr. Gase graduated from Ohio University, College of Osteopathic Medicine in 2020.
What drugs does Dr. Grant Charles Gase prescribe most?
In 2023 Medicare Part D data, Dr. Gase's most prescribed drugs by claims were Clozapine, Trazodone HCl and Mirtazapine.
Has Dr. Grant Charles Gase received payments from drug or device companies?
CMS Open Payments shows $114 in general payments to Dr. Gase from 2 companies from 2022 to 2023. The largest total came from Axsome Therapeutics, Inc.
How long has Dr. Grant Charles Gase been practicing?
Dr. Gase graduated from medical school in 2020, 6 years ago.
Does Dr. Grant Charles Gase do research?
Dmand AI links 1 publication to Dr. Gase.
Who does Dr. Grant Charles Gase publish with?
Dr. Gase's most frequent co-authors are Rita Sharma, MD (1 shared paper).
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