Dr. Tonja Lourene Gadsden, MD
- Medicare services, 2024
- 667
- Medicare patients, 2024
- 205
- Part D claims, 2024
- 1,174
- Hospital affiliations
- 1
- Industry payments
- $4,677
- Practice address
- 2041 Georgia Ave NW, Washington, DC 20060
- Practice phone
- Call (202) 745-6100
- Professional email
- Get professional email
- Personal email
- Get personal email
- Mobile number
- Get mobile number
Primary practice
Find Dr. Gadsden's professional email, personal email and mobile number
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Dr. Tonja Lourene Gadsden is an internist in Washington, District of Columbia
Dr. Gadsden practices at Howard University Hospital in Washington, District of Columbia, part of Howard University.
Dr. Gadsden's NPI, 1689783102, was assigned on August 29, 2006. Dr. Gadsden graduated from Howard University College of Medicine in 1989. Dr. Gadsden holds District of Columbia license MD20448.
- NPI
- 1689783102NPI Registry (opens in a new tab)
- Medicare PAC ID
- 9830092576
- NPI enumeration date
- August 29, 2006
- NPI status
- Active
- Accepts Medicare assignment
- Yes
- Practice phone
- (202) 745-6100
- Professional email
- Get email
- Personal email
- Get email
- Mobile number
- Get number
- Sex
- Female
- Estimated age
- 63
- Medical school graduation
- 1989
Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; Dmand AI Affiliation Data; and Doctors and Clinicians National Downloadable File (CMS)
Dr. Tonja Lourene Gadsden practices at Howard University Hospital in Washington, District of Columbia
Dr. Gadsden'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.
- Howard University Hospital2041 Georgia Ave NW, Washington, DC 20060 · The District CountyPhone(202) 745-6100
Source: Dmand AI Affiliation Data
Dr. Tonja Lourene Gadsden is affiliated with 1 site of care and 1 medical group
Dr. Gadsden'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; and Dmand AI Org Hierarchy Data
Dmand AI tracks the EHR system at Dr. Tonja Lourene Gadsden's practice
Dmand AI tracks the electronic health record (EHR) system at each site where Dr. Gadsden practices. Vendor and product names are available with a free account.
| Site | EHR vendor and product |
|---|---|
| Howard University Hospital | 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 Howard University and 6.2K+ hospitals, with verified contacts in the same login.
Dr. Tonja Lourene Gadsden is one of 660 internists in District of Columbia
Internal medicine is Dr. Gadsden's primary specialty in the NPI Registry, under taxonomy code 207R00000X. Dmand AI has Dr. Gadsden's licenses on file in 2 states: District of Columbia and Maryland.
Specialties and state licenses
- Internal medicine, District of ColumbiaPrimary
- Maryland license
Internists near Dr. Gadsden
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. Tonja Lourene Gadsden billed Medicare for 667 services in 2024
CMS data shows 667 Medicare services from Dr. Gadsden across 8 procedure codes in 2024, for 205 Medicare patients. Medicare paid $56,585 for them.
Dr. Gadsden's Medicare services by type, 2023 to 2024
- 2023
- 2024
- Office and hospital visits
- 2023: 6382024: 6675%
- Other services
- 2023: 142024: 0100%
Where Dr. Gadsden's Medicare services took place, 2024
- In an office20130%
- In a facility46670%
Dr. Gadsden compared with the District of Columbia median for internists, 2024
- Dr. Gadsden
- District of Columbia median
- Medicare services
- 667vs 35488% above
- Medicare patients
- 205vs 15334% above
- Part D claims
- 778vs 1107.1 times
Medians across 591 internists in District of Columbia with Dmand AI profiles that report each measure.
Dr. Gadsden'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. Gadsden?
Medicare shows one payer. Book a meeting to get commercial claims data for Dr. Gadsden and other internists in District of Columbia.
Sources: Medicare Physician & Other Practitioners - by Provider and Service (CMS), 2024 data; and Dmand AI Peer Benchmarks
Dr. Tonja Lourene Gadsden treated 205 Medicare patients in 2024, average age 74
CMS counts 205 Medicare patients who saw Dr. Gadsden in 2024. The largest group is 75 to 84, with 71 patients. 75% of them have high blood pressure, and 71% have high cholesterol. 47% are also on Medicaid. Their average risk score is 2.18, 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. Gadsden's median patient age at 60, with 60% women.
Dr. Gadsden's Medicare patients by age, 2024
Dr. Gadsden's Medicare patients by sex, 2024
- Women12963%
- Men7637%
Chronic conditions among Dr. Gadsden's Medicare patients, 2024
- High blood pressure75%
- High cholesterol71%
- Diabetes53%
- Arthritis49%
- Chronic kidney disease42%
- Ischemic heart disease34%
- Heart failure28%
- Mood disorders28%
Share of Medicare patients with each condition. A patient can have several.
Dr. Gadsden's patients across all payers
Dmand AI patient panel data covers Medicare, Medicaid and commercial patients.
Patient panel by age, all payers
Median age 60
Patient panel by sex, all payers
- Women60%
- Men40%
Sources: Dmand AI Patient Panel Data; and Medicare Physician & Other Practitioners - by Provider (CMS), 2024 data
Dr. Tonja Lourene Gadsden wrote 1,174 Medicare Part D claims in 2024
In 2024, Dr. Gadsden wrote 1,174 Medicare Part D claims for 133 patients. 92% of them were for generic drugs. CMS names the drug for 778 of them, across 25 drugs with 11 or more claims each, at $21,283 in total drug cost. In 2023, CMS named 508 claims across 20 drugs.
Dr. Gadsden's Part D claims by kind of drug, 2024
- Generic1,083 claims92%
- Brand-name and other91 claims8%
Dr. Gadsden'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. Gadsden's Part D claims, 2024
- Opioids2%21 of 1,174 claims
- Antibiotics1%16 of 1,174 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: 5082024: 77853%
Drugs named by CMS: 25 in 2024, 20 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
How Dr. Tonja Lourene Gadsden takes part in Medicare
Dr. Gadsden accepts Medicare assignment, so Medicare's approved amount is taken as full payment.
- Accepts Medicare assignment
- Yes
Source: Doctors and Clinicians National Downloadable File (CMS)
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Dr. Tonja Lourene Gadsden received $4,677 in industry payments from 2016 to 2025
CMS Open Payments shows 194 general payments to Dr. Gadsden from 40 drug and device companies from 2016 to 2025. Food and beverage make up the largest share, 100% of the total. Corcept Therapeutics paid the most, $809.
General payments to Dr. Gadsden by program year, 2016 to 2025
Companies that paid Dr. Gadsden the most, 2016 to 2025
Share is of all general payments to this clinician.
Source: Open Payments (CMS), 2025 data, released July 7, 2026
Dr. Tonja Lourene Gadsden graduated from Howard University College of Medicine
Dr. Gadsden graduated from Howard University College of Medicine in 1989.
- Medical school
Source: Dmand AI Professional Profile Data
Sources for Dr. Tonja Lourene Gadsden'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) |
| 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. Tonja Lourene Gadsden
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. Tonja Lourene Gadsden's NPI number?
Dr. Tonja Lourene Gadsden's NPI number is 1689783102. It was assigned on August 29, 2006, and it is active in the NPI Registry.
What kind of doctor is Dr. Tonja Lourene Gadsden?
Dr. Tonja Lourene Gadsden is an internist in Washington, District of Columbia. The primary specialty in the NPI Registry is Internal Medicine Physician (taxonomy code 207R00000X).
Where does Dr. Tonja Lourene Gadsden practice?
Dr. Gadsden practices at 2041 Georgia Ave NW, Washington, DC 20060. Dr. Gadsden's primary practice is Howard University Hospital in Washington, District of Columbia, part of Howard University.
What is Dr. Tonja Lourene Gadsden's office phone number?
The practice phone on file for Dr. Gadsden is (202) 745-6100.
What is Dr. Tonja Lourene Gadsden's medical license number?
Dr. Gadsden holds District of Columbia license MD20448, one of the licenses on file in 2 states.
Which states has Dr. Tonja Lourene Gadsden been licensed in?
Dmand AI has state licenses on file for Dr. Gadsden in District of Columbia and Maryland.
Which hospitals is Dr. Tonja Lourene Gadsden affiliated with?
Dr. Gadsden practices at Howard University Hospital in Washington, District of Columbia.
What medical group is Dr. Tonja Lourene Gadsden part of?
Dr. Gadsden is linked to Howard University Faculty Practice Plan.
Does Dr. Tonja Lourene Gadsden accept Medicare?
Yes. CMS data shows Dr. Gadsden billed Medicare for 667 services in 2024, and Dr. Gadsden accepts Medicare assignment.
How many Medicare patients does Dr. Tonja Lourene Gadsden see?
CMS counts 205 Medicare patients who saw Dr. Gadsden in 2024, with an average age of 74.
Show 5 more questionsShow fewer questions
What services does Dr. Tonja Lourene Gadsden bill to Medicare?
In 2024, Dr. Gadsden's most billed Medicare services were hospital inpatient care (99232), office visit, established patient (99213) and hospital inpatient care (99233).
Where did Dr. Tonja Lourene Gadsden go to medical school?
Dr. Gadsden graduated from Howard University College of Medicine in 1989.
What drugs does Dr. Tonja Lourene Gadsden prescribe most?
In 2024 Medicare Part D data, Dr. Gadsden's most prescribed drugs by claims were Amlodipine Besylate, Atorvastatin Calcium and Metoprolol Succinate.
Has Dr. Tonja Lourene Gadsden received payments from drug or device companies?
CMS Open Payments shows $4,677 in general payments to Dr. Gadsden from 40 companies from 2016 to 2025. The largest total came from Corcept Therapeutics.
How long has Dr. Tonja Lourene Gadsden been practicing?
Dr. Gadsden graduated from medical school in 1989, 37 years ago.
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