Dr. Clive O. Callender, MD

  • Washington, DC
  • General surgeon
NPI1306949524
Part D claims, 2020
12
Publications
20
Hospital affiliations
1
Industry payments
$180
Medical group
1
Practice address
2041 Georgia Ave NW, Washington, DC 20060
Practice phone
Call (202) 745-6100
Professional email
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Personal email
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Mobile number
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Social profiles

Primary practice

Howard University Hospital

Hospital · Washington, District of Columbia

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Dr. Clive O. Callender is a general surgeon in Washington, District of Columbia

Dr. Callender practices at Howard University Hospital in Washington, District of Columbia, part of Howard University.

Dr. Callender's NPI, 1306949524, was assigned on September 6, 2006. Dr. Callender holds District of Columbia license MD25608.

NPI and contact details
NPI enumeration date
September 6, 2006
NPI status
Active
Practice phone
(202) 745-6100
Professional email
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Personal email
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Mobile number
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Sex
Male

Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; Dmand AI Affiliation Data; and Doctors and Clinicians National Downloadable File (CMS)

Dr. Clive O. Callender practices at Howard University Hospital in Washington, District of Columbia

Dr. Callender's primary practice is Howard University Hospital, at 2041 Georgia Ave NW, Washington, DC 20060 in The District County. The practice phone is (202) 745-6100.

Sources: Dmand AI Affiliation Data; and Doctors and Clinicians National Downloadable File (CMS)

Dr. Clive O. Callender is affiliated with 1 site of care and 1 medical group

Dr. Callender's primary practice is Howard University Hospital in Washington, District of Columbia, part of Howard University. The medical group on file is Howard University Faculty Practice Plan.

Sources: Dmand AI Affiliation Data; Doctors and Clinicians National Downloadable File (CMS); and Dmand AI Org Hierarchy Data

Dmand AI tracks the EHR system at Dr. Clive O. 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.

EHR by site
SiteEHR vendor and product
Howard University HospitalAvailable 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 Howard University and 6.2K+ hospitals, with verified contacts in the same login.

Dr. Clive O. Callender is one of 103 general surgeons in District of Columbia

Surgery is Dr. Callender's primary specialty in the NPI Registry, under taxonomy code 208600000X. Dr. Callender is licensed in District of Columbia.

Specialties and state licenses

  • Surgery, District of ColumbiaPrimaryLicense MD25608 · taxonomy 208600000X

General surgeons near Dr. Callender

Counts of general surgeons 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. Clive O. Callender's patients have a median age of 62

Across all payers, Dmand AI patient panel data puts Dr. Callender's median patient age at 62, with 100% 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 62

Patient panel by sex, all payers

  • Women100%
  • Men0%

Source: Dmand AI Patient Panel Data

Dr. Clive O. Callender wrote 12 Medicare Part D claims in 2020

In 2020, Dr. Callender wrote 12 Medicare Part D claims. Every claim was for a generic drug. They cover 1 drug, with $108 in total drug cost. In 2018, CMS named 11 claims across 1 drug.

Part D claims, 202012
Drugs named by CMS1
Total drug cost$108

Dr. Callender's most prescribed drugs by claims, 2020

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, 2018 to 2020

  • 2018
  • 2020
Claims for drugs CMS names
2018: 112020: 129%

Drugs named by CMS: 1 in 2020, 1 in 2018.

See all prescribing by Dr. Callender

Source: Medicare Part D Prescribers - by Provider and Drug (CMS), 2024 data, released May 6, 2026

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Dr. Clive O. Callender has 20 publications on record

Dmand AI links 20 papers to Dr. Callender, published from 2011 to 2024. 2015 was the busiest year, with 3. The most frequent topics are Black or African American, Tissue and Organ Procurement and Graft Survival. Dr. Callender has published most often in Transplant Proc. Dr. Callender's most frequent co-authors are Joseph Keith Melancon, MD, Cedrina Calder, MD and Dani Odette Gonzalez.

Papers20
Years published2011 to 2024

Dr. Callender's papers by year, 2011 to 2024

Topics Dr. Callender writes about most

  • Black or African American
  • Tissue and Organ Procurement
  • Graft Survival
  • Kidney Transplantation
  • Tissue Donors
  • Black People
  • Body Mass Index
  • Ethnicity

Dr. Callender's most frequent co-authors

Recent publications by Dr. Callender

See all 20 publications and co-authors

See who Dr. Callender researches with

Physician Network Discovery turns co-authorship, shared hospitals and shared groups into a map of who Dr. Callender works with, so you can find a warm path to the right general surgeons.

How network discovery works

Sources: PubMed (National Library of Medicine); and Dmand AI Research Linkage

Dr. Clive O. Callender received $180 in industry payments in 2017

CMS Open Payments shows 2 general payments to Dr. Callender from 1 drug or device company in 2017. Food and beverage make up the largest share, 100% of the total. ViiV Healthcare Company paid the most, $180.

Companies that paid Dr. Callender the most, 2017 to 2017

Share is of all general payments to this clinician.

See all payments to Dr. Callender

Source: Open Payments (CMS), 2025 data, released July 7, 2026

Sources for Dr. Clive O. Callender's profile data

Sources for the data on this page
Data on this pageSource
NPI, name, sex, specialty and licensesNPPES NPI Registry (CMS) (opens in a new tab)Dmand AI Professional Profile Data
Practice locations and phoneDmand AI Affiliation DataDoctors and Clinicians National Downloadable File (CMS) (opens in a new tab)
Primary practice, affiliations and health systemDmand AI Affiliation DataDoctors and Clinicians National Downloadable File (CMS) (opens in a new tab)Dmand AI Org Hierarchy Data
Medicare patients and the all-payer patient panelDmand AI Patient Panel Data
Part D prescribingMedicare Part D Prescribers - by Provider and Drug (CMS) (opens in a new tab)
Publications, topics and co-authorsPubMed (National Library of Medicine) (opens in a new tab)Dmand AI Research Linkage
Industry paymentsOpen Payments (CMS) (opens in a new tab)
EHR at each practice siteDmand AI Technology Install Data
Similar physiciansDmand AI Affiliation Data

Data last refreshed October 2026Report an inaccuracyRemove my information

FAQ

Frequently asked questions about Dr. Clive O. 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. Clive O. Callender's NPI number?

Dr. Clive O. Callender's NPI number is 1306949524. It was assigned on September 6, 2006, and it is active in the NPI Registry.

What kind of doctor is Dr. Clive O. Callender?

Dr. Clive O. Callender is a general surgeon in Washington, District of Columbia. The primary specialty in the NPI Registry is Surgery Physician (taxonomy code 208600000X).

Where does Dr. Clive O. Callender practice?

Dr. Callender practices at 2041 Georgia Ave NW, Washington, DC 20060. Dr. Callender's primary practice is Howard University Hospital in Washington, District of Columbia, part of Howard University.

What is Dr. Clive O. Callender's office phone number?

The practice phone on file for Dr. Callender is (202) 745-6100.

What is Dr. Clive O. Callender's medical license number?

Dr. Callender holds District of Columbia license MD25608.

Which hospitals is Dr. Clive O. Callender affiliated with?

Dr. Callender practices at Howard University Hospital in Washington, District of Columbia.

What medical group is Dr. Clive O. Callender part of?

Dr. Callender is linked to Howard University Faculty Practice Plan.

What drugs does Dr. Clive O. Callender prescribe most?

In 2020 Medicare Part D data, Dr. Callender's most prescribed drugs by claims were Donepezil HCl.

Has Dr. Clive O. Callender received payments from drug or device companies?

CMS Open Payments shows $180 in general payments to Dr. Callender from 1 company from 2017 to 2017. The largest total came from ViiV Healthcare Company.

How long has Dr. Clive O. Callender been practicing?

Dr. Callender's NPI was assigned in 2006.

Does Dr. Clive O. Callender do research?

Dmand AI links 20 publications to Dr. Callender, published from 2011 to 2024.

Who does Dr. Clive O. Callender publish with?

Dr. Callender's most frequent co-authors are Joseph Keith Melancon, MD (3 shared papers), Cedrina Calder, MD (1 shared paper) and Dani Odette Gonzalez (1 shared paper).

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