Dr. Patrick S. Callender, DO
- Part D claims, 2024
- 8,370
- Affiliated sites
- 1
- Medical groups
- 2
- State license
- 1
- Year NPI issued
- 2005
- Practice address
- 285 E State St, Columbus, OH 43215
- Practice phone
- Call (614) 566-9718
- Professional email
- Get professional email
- Personal email
- Get personal email
- Mobile number
- Get mobile number
Primary practice
OhioHealth
Columbus, Ohio
Find Dr. Callender's professional email, personal email and mobile number
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Dr. Patrick S. Callender is an internist in Columbus, Ohio
Dr. Callender practices at OhioHealth in Columbus, Ohio.
Dr. Callender's NPI, 1922006675, was assigned on July 7, 2005. Dr. Callender holds Ohio license 3400-7319C.
- NPI
- 1922006675NPI Registry (opens in a new tab)
- NPI enumeration date
- July 7, 2005
- NPI status
- Active
- Practice phone
- (614) 566-9718
- Professional email
- Get email
- Personal email
- Get email
- Mobile number
- Get number
- Sex
- Male
Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; and Dmand AI Practice Data
Dr. Patrick S. Callender practices at OhioHealth in Columbus, Ohio
Dr. Callender's primary practice is OhioHealth, at 285 E State St, Columbus, OH 43215 in Franklin County. The practice phone is (614) 566-9718.
- OhioHealth285 E State St, Columbus, OH 43215 · Franklin CountyPhone(614) 566-9718
Sources: NPPES NPI Registry (CMS); and Dmand AI Practice Data
Dr. Patrick S. Callender is affiliated with 2 sites of care and 2 medical groups
Dr. Callender's primary practice is OhioHealth in Columbus, Ohio. The medical group on file is Dedicated Senior Medical Center. Dmand AI also links Dr. Callender to 1 more group practice or clinic and 1 medical group, each named with a free account.
Sources: NPPES NPI Registry (CMS); Dmand AI Practice Data; and Dmand AI Affiliation Data
Dmand AI tracks the EHR system at Dr. Patrick S. Callender's practice
Dmand AI tracks the electronic health record (EHR) system at each site where Dr. Callender practices. Vendor and product names are available with a free account.
| Site | EHR vendor and product |
|---|---|
| OhioHealth | Available with a free account |
| +1 more site and 1 medical group | Available with a free account |
Source: Dmand AI Technology Install Data
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Dr. Patrick S. Callender is one of 4,708 internists in Ohio
Internal medicine is Dr. Callender's primary specialty in the NPI Registry, under taxonomy code 207R00000X. Dr. Callender is licensed in Ohio.
Specialties and state licenses
- Internal medicine, OhioPrimary
Internists near Dr. Callender
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. Patrick S. Callender's patients have a median age of 75
Across all payers, Dmand AI patient panel data puts Dr. Callender's median patient age at 75, with 59% women.
Dr. Callender's patients across all payers
Dmand AI patient panel data covers Medicare, Medicaid and commercial patients.
Patient panel by age, all payers
Median age 75
Patient panel by sex, all payers
- Women59%
- Men39%
Source: Dmand AI Patient Panel Data
Dr. Patrick S. Callender wrote 8,370 Medicare Part D claims in 2024
In 2024, Dr. Callender wrote 8,370 Medicare Part D claims for 544 patients. 89% of them were for generic drugs. CMS names the drug for 7,622 of them, across 122 drugs with 11 or more claims each, at $390,436 in total drug cost. In 2023, CMS named 5,520 claims across 107 drugs.
Dr. Callender's Part D claims by kind of drug, 2024
- Generic7,410 claims89%
- Brand-name851 claims10%
- Other109 claims1%
Dr. Callender'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. Callender's Part D claims, 2024
- Opioids2%153 of 8,370 claims
- Antibiotics3%229 of 8,370 claims
- Antipsychotics, patients 65 and over0%13 of 8,370 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: 5,5202024: 7,62238%
Drugs named by CMS: 122 in 2024, 107 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
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Sources for Dr. Patrick S. Callender'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 Practice Data |
| Primary practice, affiliations and health system | NPPES NPI Registry (CMS) (opens in a new tab)Dmand AI Practice DataDmand AI Affiliation Data |
| 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) |
| 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. Patrick S. Callender
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. Patrick S. Callender's NPI number?
Dr. Patrick S. Callender's NPI number is 1922006675. It was assigned on July 7, 2005, and it is active in the NPI Registry.
What kind of doctor is Dr. Patrick S. Callender?
Dr. Patrick S. Callender is an internist in Columbus, Ohio. The primary specialty in the NPI Registry is Internal Medicine Physician (taxonomy code 207R00000X).
Where does Dr. Patrick S. Callender practice?
Dr. Callender practices at 285 E State St, Columbus, OH 43215. Dr. Callender's primary practice is OhioHealth in Columbus, Ohio. Dmand AI also links Dr. Callender to 1 group practice or clinic and 1 medical group.
What is Dr. Patrick S. Callender's office phone number?
The practice phone on file for Dr. Callender is (614) 566-9718.
What is Dr. Patrick S. Callender's medical license number?
Dr. Callender holds Ohio license 3400-7319C.
What medical group is Dr. Patrick S. Callender part of?
Dr. Callender is linked to Dedicated Senior Medical Center. Dmand AI links Dr. Callender to 1 more medical group.
What drugs does Dr. Patrick S. Callender prescribe most?
In 2024 Medicare Part D data, Dr. Callender's most prescribed drugs by claims were Atorvastatin Calcium, Amlodipine Besylate and Gabapentin.
How long has Dr. Patrick S. Callender been practicing?
Dr. Callender's NPI was assigned in 2005.
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