Mark D. Callender, PA
- Medicare patients, 2024
- 73
- Part D claims, 2024
- 354
- MIPS score, 2024
- 97
- Hospital affiliations
- 1
- Industry payments
- $892
- Practice address
- 17000 Medical Center Dr, Baton Rouge, LA 70816
- Practice phone
- Call (225) 752-2470
- Professional email
- Get professional email
- Personal email
- Get personal email
- Mobile number
- Get mobile number
Primary practice
Find Mark Callender'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.
Mark D. Callender is a physician assistant in Baton Rouge, Louisiana
Mark Callender practices at Ochsner Medical Center - Baton Rouge in Baton Rouge, Louisiana, part of Ochsner Health System.
Mark Callender's NPI, 1942406616, was assigned on June 21, 2007. Mark Callender holds Louisiana license P.A.A10540.
- NPI
- 1942406616NPI Registry (opens in a new tab)
- Medicare PAC ID
- 9436226784
- NPI enumeration date
- June 21, 2007
- NPI status
- Active
- Accepts Medicare assignment
- Yes
- Practice phone
- (225) 752-2470
- Professional email
- Get email
- Personal email
- Get email
- Mobile number
- Get number
- Sex
- Male
- Estimated age
- 52
- Medical school graduation
- 2000
Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; Dmand AI Affiliation Data; and Doctors and Clinicians National Downloadable File (CMS)
Mark D. Callender practices at Ochsner Medical Center - Baton Rouge in Baton Rouge, Louisiana
Mark Callender's primary practice is Ochsner Medical Center - Baton Rouge, at 17000 Medical Center Dr, Baton Rouge, LA 70816 in E. Baton Rouge Parish. The practice phone is (225) 752-2470.
- Ochsner Medical Center - Baton Rouge17000 Medical Center Dr, Baton Rouge, LA 70816 · E. Baton Rouge ParishPhone(225) 752-2470
Source: Dmand AI Affiliation Data
Mark D. Callender is affiliated with 2 sites of care and 2 medical groups
Mark Callender's primary practice is Ochsner Medical Center - Baton Rouge in Baton Rouge, Louisiana, part of Ochsner Health System. The medical group on file is Louisiana Dermatology Associates. Dmand AI also links Mark Callender to 1 more group practice or clinic and 1 medical group, each named with a free account.
Sources: Dmand AI Affiliation Data; and Dmand AI Org Hierarchy Data
Dmand AI tracks the EHR system at Mark D. Callender's practice
Dmand AI tracks the electronic health record (EHR) system at each site where Mark Callender practices, 2 sites in all. Vendor and product names are available with a free account.
| Site | EHR vendor and product |
|---|---|
| Ochsner Medical Center - Baton Rouge | 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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Dmand AI maps EHR vendors, IT decision makers and buying committees across Ochsner Health System and 6.2K+ hospitals, with verified contacts in the same login.
Mark D. Callender is one of 1,286 physician assistants in Louisiana
Physician assistant is Mark Callender's primary specialty in the NPI Registry, under taxonomy code 363A00000X. Mark Callender is licensed in Louisiana.
Specialties and state licenses
- Physician assistant, LouisianaPrimary
Physician assistants near Mark Callender
Counts of physician assistants 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
Mark D. Callender treated 73 Medicare patients in 2024, average age 75
CMS counts 73 Medicare patients who saw Mark Callender in 2024. The largest group is 65 to 74, with 34 patients. 73% of them have high blood pressure, and 71% have high cholesterol. Their average risk score is 1.35, where 1.00 is the Medicare average.
Across all payers, Dmand AI patient panel data puts Mark Callender's median patient age at 61, with 56% women.
Mark Callender's Medicare patients by age, 2024
CMS leaves out age groups with fewer than 11 patients.
Mark Callender's Medicare patients by sex, 2024
- Women3244%
- Men4156%
Chronic conditions among Mark Callender's Medicare patients, 2024
- High blood pressure73%
- High cholesterol71%
- Arthritis47%
- Ischemic heart disease34%
- Diabetes32%
- Chronic kidney disease30%
- Anxiety25%
- Mood disorders23%
Share of Medicare patients with each condition. A patient can have several.
Mark 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 61
Patient panel by sex, all payers
- Women56%
- Men44%
Sources: Dmand AI Patient Panel Data; and Medicare Physician & Other Practitioners - by Provider (CMS), 2024 data
Mark D. Callender wrote 354 Medicare Part D claims in 2024
In 2024, Mark Callender wrote 354 Medicare Part D claims for 157 patients. 96% of them were for generic drugs.
Mark Callender's Part D claims by kind of drug, 2024
- Generic340 claims96%
- Brand-name14 claims4%
Drug classes CMS tracks in Mark Callender's Part D claims, 2024
- Antibiotics6%20 of 354 claims
Share of all Part D claims for each drug class CMS reports on. Classes with no claims are left out.
Source: Medicare Part D Prescribers - by Provider (CMS), 2024 data
Mark D. Callender scored 97 out of 100 in Medicare's MIPS program for 2024
CMS publishes a Merit-based Incentive Payment System (MIPS) score of 97 out of 100 for Mark Callender for performance year 2024, reported as part of a group. Mark Callender accepts Medicare assignment, so Medicare's approved amount is taken as full payment.
- Accepts Medicare assignment
- Yes
Mark Callender's MIPS scores, performance year 2024
- 97of 100Final score
- 93.9of 100Quality
- 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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Mark D. Callender received $892 in industry payments in 2025
CMS Open Payments shows 35 general payments to Mark Callender from 11 drug and device companies in 2025. Food and beverage make up the largest share, 68% of the total. Regeneron Pharmaceuticals, Inc. paid the most, $166.
General payments to Mark Callender by kind, 2025 to 2025
- Food and beverage$60568%
- Education$28732%
Companies that paid Mark Callender the most, 2025 to 2025
Share is of all general payments to this clinician.
Source: Open Payments (CMS), 2025 data, released July 7, 2026
Sources for Mark D. 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 | Dmand AI Affiliation Data |
| Primary practice, affiliations and health system | Dmand AI Affiliation DataDmand AI Org Hierarchy Data |
| 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 (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) |
| 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 Mark D. 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 Mark D. Callender's NPI number?
Mark D. Callender's NPI number is 1942406616. It was assigned on June 21, 2007, and it is active in the NPI Registry.
What does Mark D. Callender specialize in?
Mark D. Callender is a physician assistant in Baton Rouge, Louisiana. The primary specialty in the NPI Registry is Physician Assistant (taxonomy code 363A00000X).
Where does Mark D. Callender practice?
Mark Callender practices at 17000 Medical Center Dr, Baton Rouge, LA 70816. Mark Callender's primary practice is Ochsner Medical Center - Baton Rouge in Baton Rouge, Louisiana, part of Ochsner Health System. Dmand AI also links Mark Callender to 1 group practice or clinic and 1 medical group.
What is Mark D. Callender's office phone number?
The practice phone on file for Mark Callender is (225) 752-2470.
What is Mark D. Callender's medical license number?
Mark Callender holds Louisiana license P.A.A10540.
Which hospitals is Mark D. Callender affiliated with?
Mark Callender practices at Ochsner Medical Center - Baton Rouge in Baton Rouge, Louisiana.
What medical group is Mark D. Callender part of?
Mark Callender is linked to Louisiana Dermatology Associates. Dmand AI links Mark Callender to 1 more medical group.
Does Mark D. Callender accept Medicare?
Yes. CMS lists Mark Callender as accepting Medicare assignment.
What is Mark D. Callender's MIPS score?
Mark Callender's MIPS final score for performance year 2024 is 97 out of 100, reported as part of a group.
How many Medicare patients does Mark D. Callender see?
CMS counts 73 Medicare patients who saw Mark Callender in 2024, with an average age of 75.
Has Mark D. Callender received payments from drug or device companies?
CMS Open Payments shows $892 in general payments to Mark Callender from 11 companies from 2025 to 2025. The largest total came from Regeneron Pharmaceuticals, Inc.
How long has Mark D. Callender been practicing?
Mark Callender graduated from medical school in 2000, 26 years ago.
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