Dr. Mark A. Dellinger, MD
- Medicare services, 2024
- 332
- Medicare patients, 2024
- 151
- Part D claims, 2024
- 302
- MIPS score, 2024
- 87
- Hospital affiliations
- 4
- Practice address
- 500 South Cleveland Avenue, Westerville, OH 43081
- Practice phone
- Call (614) 546-4034
- Professional email
- Get professional email
- Personal email
- Get personal email
- Mobile number
- Get mobile number
Primary practice
Find Dr. Dellinger's professional email, personal email and mobile number
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Dr. Mark A. Dellinger is an internist in Westerville, Ohio
Dr. Dellinger practices at Mount Carmel St. Ann's in Westerville, Ohio, part of Trinity Health.
Dr. Dellinger's NPI, 1710924410, was assigned on June 1, 2006. Dr. Dellinger graduated from University of Toledo College of Medicine in 1997. Dr. Dellinger holds Ohio license 35-07-5205-D.
- NPI
- 1710924410NPI Registry (opens in a new tab)
- Medicare PAC ID
- 5294769105
- NPI enumeration date
- June 1, 2006
- NPI status
- Active
- Accepts Medicare assignment
- Yes
- Practice phone
- (614) 546-4034
- Professional email
- Get email
- Personal email
- Get email
- Mobile number
- Get number
- Sex
- Male
- Estimated age
- 55
- Medical school graduation
- 1997
Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; Dmand AI Affiliation Data; and Doctors and Clinicians National Downloadable File (CMS)
Dr. Mark A. Dellinger practices at Mount Carmel St. Ann's in Westerville, Ohio
Dr. Dellinger's primary practice is Mount Carmel St. Ann's, at 500 South Cleveland Avenue, Westerville, OH 43081 in Franklin County. The practice phone is (614) 546-4034.
- Mount Carmel St. Ann's500 South Cleveland Avenue, Westerville, OH 43081 · Franklin CountyPhone(614) 546-4034
Source: Dmand AI Affiliation Data
Dr. Mark A. Dellinger is affiliated with 8 sites of care and 1 medical group
Dr. Dellinger's primary practice is Mount Carmel St. Ann's in Westerville, Ohio, part of Trinity Health. Dr. Dellinger is also affiliated with OhioHealth Grant Medical Center. The medical group on file is Central Ohio Primary Care. Dmand AI also links Dr. Dellinger to 2 more hospitals, 2 hospital outpatient departments, 1 physician office and 1 group practice or clinic, 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. Mark A. Dellinger's practice
Dmand AI tracks the electronic health record (EHR) system at each site where Dr. Dellinger practices, 8 sites in all. Vendor and product names are available with a free account.
| Site | EHR vendor and product |
|---|---|
| Mount Carmel St. Ann's | Available with a free account |
| +7 more affiliated sites | 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 Trinity Health and 6.2K+ hospitals, with verified contacts in the same login.
Dr. Mark A. Dellinger is one of 4,708 internists in Ohio
Internal medicine is Dr. Dellinger's primary specialty in the NPI Registry, under taxonomy code 207R00000X. Dr. Dellinger is licensed in Ohio.
Specialties and state licenses
- Internal medicine, OhioPrimary
Internists near Dr. Dellinger
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. Mark A. Dellinger billed Medicare for 332 services in 2024
CMS data shows 332 Medicare services from Dr. Dellinger across 5 procedure codes in 2024, for 151 Medicare patients. Medicare paid $26,610 for them. Every service was in a facility, such as a hospital, rather than an office.
Dr. Dellinger's Medicare services by type, 2023 to 2024
- 2023
- 2024
- Office and hospital visits
- 2023: 2692024: 33223%
Dr. Dellinger compared with the Ohio median for internists, 2024
- Dr. Dellinger
- Ohio median
- Medicare services
- 332vs 48732% below
- Medicare patients
- 151vs 19221% below
- Part D claims
- 127vs 29457% below
Medians across 4,703 internists in Ohio with Dmand AI profiles that report each measure.
Dr. Dellinger'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. Dellinger and other internists in Ohio.
Sources: Medicare Physician & Other Practitioners - by Provider and Service (CMS), 2024 data; and Dmand AI Peer Benchmarks
Dr. Mark A. Dellinger treated 151 Medicare patients in 2024, average age 77
CMS counts 151 Medicare patients who saw Dr. Dellinger in 2024. The largest group is 75 to 84, with 61 patients. 75% of them have high blood pressure, and 75% have high cholesterol. 12% are also on Medicaid. Their average risk score is 2.21, 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. Dellinger's median patient age at 73, with 58% women.
Dr. Dellinger's Medicare patients by age, 2024
CMS leaves out age groups with fewer than 11 patients.
Dr. Dellinger's Medicare patients by sex, 2024
- Women8154%
- Men7046%
Chronic conditions among Dr. Dellinger's Medicare patients, 2024
- High blood pressure75%
- High cholesterol75%
- Arthritis58%
- Ischemic heart disease52%
- Mood disorders51%
- Chronic kidney disease50%
- Depression48%
- Anxiety43%
Share of Medicare patients with each condition. A patient can have several.
Dr. Dellinger's patients across all payers
Dmand AI patient panel data covers Medicare, Medicaid and commercial patients.
Patient panel by age, all payers
Median age 73
Patient panel by sex, all payers
- Women58%
- Men41%
Sources: Dmand AI Patient Panel Data; and Medicare Physician & Other Practitioners - by Provider (CMS), 2024 data
Dr. Mark A. Dellinger wrote 302 Medicare Part D claims in 2024
In 2024, Dr. Dellinger wrote 302 Medicare Part D claims for 84 patients. 89% of them were for generic drugs. CMS names the drug for 127 of them, across 7 drugs with 11 or more claims each, at $630 in total drug cost. In 2023, CMS named 93 claims across 5 drugs.
Dr. Dellinger's Part D claims by kind of drug, 2024
- Generic269 claims89%
- Brand-name33 claims11%
Dr. Dellinger'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. Dellinger's Part D claims, 2024
- Antibiotics7%20 of 302 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: 932024: 12737%
Drugs named by CMS: 7 in 2024, 5 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. Mark A. Dellinger scored 87 out of 100 in Medicare's MIPS program for 2024
CMS publishes a Merit-based Incentive Payment System (MIPS) score of 87 out of 100 for Dr. Dellinger for performance year 2024, reported as part of a group. Dr. Dellinger accepts Medicare assignment, so Medicare's approved amount is taken as full payment.
- Accepts Medicare assignment
- Yes
Dr. Dellinger's MIPS scores, performance year 2024
- 87of 100Final score
- 85.5of 100Quality
- 40of 100Improvement Activities
- 83of 100Cost
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. Mark A. Dellinger received $199 in industry payments from 2016 to 2019
CMS Open Payments shows 6 general payments to Dr. Dellinger from 4 drug and device companies from 2016 to 2019. Food and beverage make up the largest share, 100% of the total. Otsuka America Pharmaceutical, Inc. paid the most, $122.
General payments to Dr. Dellinger by program year, 2016 to 2019
Companies that paid Dr. Dellinger the most, 2016 to 2019
Share is of all general payments to this clinician.
Source: Open Payments (CMS), 2025 data, released July 7, 2026
Dr. Mark A. Dellinger graduated from University of Toledo College of Medicine
Dr. Dellinger graduated from University of Toledo College of Medicine in 1997.
- Medical school
Source: Dmand AI Professional Profile Data
Sources for Dr. Mark A. Dellinger'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) |
| 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. Mark A. Dellinger
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. Mark A. Dellinger's NPI number?
Dr. Mark A. Dellinger's NPI number is 1710924410. It was assigned on June 1, 2006, and it is active in the NPI Registry.
What kind of doctor is Dr. Mark A. Dellinger?
Dr. Mark A. Dellinger is an internist in Westerville, Ohio. The primary specialty in the NPI Registry is Internal Medicine Physician (taxonomy code 207R00000X).
Where does Dr. Mark A. Dellinger practice?
Dr. Dellinger practices at 500 South Cleveland Avenue, Westerville, OH 43081. Dr. Dellinger's primary practice is Mount Carmel St. Ann's in Westerville, Ohio, part of Trinity Health. Dmand AI also links Dr. Dellinger to 2 hospitals, 2 hospital outpatient departments, 1 physician office and 1 group practice or clinic.
What is Dr. Mark A. Dellinger's office phone number?
The practice phone on file for Dr. Dellinger is (614) 546-4034.
What is Dr. Mark A. Dellinger's medical license number?
Dr. Dellinger holds Ohio license 35-07-5205-D.
Which hospitals is Dr. Mark A. Dellinger affiliated with?
Dr. Dellinger practices at Mount Carmel St. Ann's in Westerville, Ohio. Dr. Dellinger is also affiliated with OhioHealth Grant Medical Center. Dmand AI links Dr. Dellinger to 2 more hospitals.
What medical group is Dr. Mark A. Dellinger part of?
Dr. Dellinger is linked to Central Ohio Primary Care.
Does Dr. Mark A. Dellinger accept Medicare?
Yes. CMS data shows Dr. Dellinger billed Medicare for 332 services in 2024, and Dr. Dellinger accepts Medicare assignment.
What is Dr. Mark A. Dellinger's MIPS score?
Dr. Dellinger's MIPS final score for performance year 2024 is 87 out of 100, reported as part of a group.
How many Medicare patients does Dr. Mark A. Dellinger see?
CMS counts 151 Medicare patients who saw Dr. Dellinger in 2024, with an average age of 77.
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What services does Dr. Mark A. Dellinger bill to Medicare?
In 2024, Dr. Dellinger's most billed Medicare services were hospital inpatient care (99233), hospital inpatient care (99232) and hospital inpatient care (99238).
Where did Dr. Mark A. Dellinger go to medical school?
Dr. Dellinger graduated from University of Toledo College of Medicine in 1997.
What drugs does Dr. Mark A. Dellinger prescribe most?
In 2024 Medicare Part D data, Dr. Dellinger's most prescribed drugs by claims were Atorvastatin Calcium, Furosemide and Metoprolol Succinate.
Has Dr. Mark A. Dellinger received payments from drug or device companies?
CMS Open Payments shows $199 in general payments to Dr. Dellinger from 4 companies from 2016 to 2019. The largest total came from Otsuka America Pharmaceutical, Inc.
How long has Dr. Mark A. Dellinger been practicing?
Dr. Dellinger graduated from medical school in 1997, 29 years ago.
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