Dr. Mary Carter Denny, MD, MPH
- Medicare services, 2024
- 408
- Medicare patients, 2024
- 225
- Part D claims, 2024
- 353
- Publications
- 10
- MIPS score, 2024
- 83
- Practice address
- 3800 Reservoir NW Rd, Washington, DC 20007
- Practice phone
- Call (202) 444-1400
- Professional email
- Get professional email
- Personal email
- Get personal email
- Mobile number
- Get mobile number
Primary practice
Medstar Georgetown Medical Center
Washington, District of Columbia
Find Dr. Denny'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.
Dr. Mary Carter Denny is a neurologist in Washington, District of Columbia
Dr. Denny practices at Medstar Georgetown Medical Center in Washington, District of Columbia.
Dr. Denny's NPI, 1558688994, was assigned on April 26, 2010. Dr. Denny graduated from Tulane School of Medicine in 2010. Dr. Denny's Texas license number on file is Q1129.
- NPI
- 1558688994NPI Registry (opens in a new tab)
- Medicare PAC ID
- 4587952783
- NPI enumeration date
- April 26, 2010
- NPI status
- Active
- Accepts Medicare assignment
- Yes
- Offers telehealth
- Yes
- Practice phone
- (202) 444-1400
- Professional email
- Get email
- Personal email
- Get email
- Mobile number
- Get number
- Sex
- Female
- Estimated age
- 42
- Medical school graduation
- 2010
Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; Dmand AI Practice Data; and Doctors and Clinicians National Downloadable File (CMS)
Dr. Mary Carter Denny practices at Medstar Georgetown Medical Center in Washington, District of Columbia
Dr. Denny's primary practice is Medstar Georgetown Medical Center, at 3800 Reservoir NW Rd, Washington, DC 20007 in District Of Columbia County. The practice phone is (202) 444-1400.
- Medstar Georgetown Medical Center3800 Reservoir NW Rd, Washington, DC 20007 · District Of Columbia CountyPhone(202) 444-1400
Sources: NPPES NPI Registry (CMS); and Dmand AI Practice Data
Dr. Mary Carter Denny is affiliated with 5 sites of care and 3 medical groups
Dr. Denny's primary practice is Medstar Georgetown Medical Center in Washington, District of Columbia. Dr. Denny is also affiliated with MedStar Washington Hospital Center. The medical group on file is MedStar Medical Group. Dmand AI also links Dr. Denny to 2 more hospitals, 2 medical groups and 1 group practice or clinic, each named with a free account.
Sources: NPPES NPI Registry (CMS); Dmand AI Practice Data; Dmand AI Affiliation Data; and Dmand AI Org Hierarchy Data
Dmand AI tracks the EHR system at Dr. Mary Carter Denny's practice
Dmand AI tracks the electronic health record (EHR) system at each site where Dr. Denny practices, 4 sites in all. Vendor and product names are available with a free account.
| Site | EHR vendor and product |
|---|---|
| Medstar Georgetown Medical Center | Available with a free account |
| +4 more sites and 2 medical groups | Available with a free account |
Source: Dmand AI Technology Install Data
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Dr. Mary Carter Denny is one of 98 neurologists in District of Columbia
Neurology is Dr. Denny's primary specialty in the NPI Registry, under taxonomy code 2084N0400X. Dr. Denny is board certified in neurology by the American Board of Psychiatry and Neurology. Dmand AI has Dr. Denny's licenses on file in 5 states: Texas, District of Columbia, Maryland, Virginia and Pennsylvania.
Specialties and state licenses
- Neurology, TexasPrimary
- District of Columbia license
- Maryland license
- Virginia license
- Pennsylvania license
Clinical focus
Dmand AI lists acute mini-stroke (TIA), cerebrovascular disease, epilepsy, head injury, mini-stroke (TIA), neck pain and spine problems, neuropathy and sleep apnea among the conditions Dr. Denny treats.
Neurologists near Dr. Denny
Counts of neurologists 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. Mary Carter Denny billed Medicare for 408 services in 2024
CMS data shows 408 Medicare services from Dr. Denny across 9 procedure codes in 2024, for 225 Medicare patients. Medicare paid $48,072 for them.
Dr. Denny's Medicare services by type, 2023 to 2024
- 2023
- 2024
- Office and hospital visits
- 2023: 2832024: 34321%
- Other services
- 2023: 912024: 6529%
Where Dr. Denny's Medicare services took place, 2024
- In an office22856%
- In a facility18044%
Dr. Denny compared with the District of Columbia median for neurologists, 2024
- Dr. Denny
- District of Columbia median
- Medicare services
- 408vs 29737% above
- Medicare patients
- 225vs 13468% above
- Part D claims
- 212vs 703.0 times
Medians across 85 neurologists in District of Columbia with Dmand AI profiles that report each measure.
Dr. Denny'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. Denny?
Medicare shows one payer. Book a meeting to get commercial claims data for Dr. Denny and other neurologists in District of Columbia.
Sources: Medicare Physician & Other Practitioners - by Provider and Service (CMS), 2024 data; and Dmand AI Peer Benchmarks
Dr. Mary Carter Denny treated 225 Medicare patients in 2024, average age 75
CMS counts 225 Medicare patients who saw Dr. Denny in 2024. The largest group is 65 to 74, with 83 patients. 75% of them have high blood pressure, and 75% have high cholesterol. 20% are also on Medicaid. Their average risk score is 1.81, 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. Denny's median patient age at 64, with 54% women.
Dr. Denny's Medicare patients by age, 2024
Dr. Denny's Medicare patients by sex, 2024
- Women14364%
- Men8236%
Chronic conditions among Dr. Denny's Medicare patients, 2024
- High blood pressure75%
- High cholesterol75%
- Stroke or TIA75%
- Arthritis55%
- Mood disorders41%
- Atrial fibrillation40%
- Diabetes40%
- Ischemic heart disease40%
Share of Medicare patients with each condition. A patient can have several.
Dr. Denny's patients across all payers
Dmand AI patient panel data covers Medicare, Medicaid and commercial patients.
Patient panel by age, all payers
Median age 64
Patient panel by sex, all payers
- Women54%
- Men44%
Sources: Dmand AI Patient Panel Data; and Medicare Physician & Other Practitioners - by Provider (CMS), 2024 data
Dr. Mary Carter Denny wrote 353 Medicare Part D claims in 2024
In 2024, Dr. Denny wrote 353 Medicare Part D claims for 75 patients. 86% of them were for generic drugs. CMS names the drug for 212 of them, across 11 drugs with 11 or more claims each, at $56,989 in total drug cost. In 2023, CMS named 200 claims across 8 drugs.
Dr. Denny's Part D claims by kind of drug, 2024
- Generic304 claims86%
- Brand-name49 claims14%
Dr. Denny'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.
Part D claims for drugs CMS names, 2023 to 2024
- 2023
- 2024
- Claims for drugs CMS names
- 2023: 2002024: 2126%
Drugs named by CMS: 11 in 2024, 8 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. Mary Carter Denny scored 83 out of 100 in Medicare's MIPS program for 2024
CMS publishes a Merit-based Incentive Payment System (MIPS) score of 83 out of 100 for Dr. Denny for performance year 2024, reported as part of a group. Dr. Denny accepts Medicare assignment, so Medicare's approved amount is taken as full payment. CMS lists Dr. Denny as offering telehealth.
- Accepts Medicare assignment
- Yes
- Offers telehealth
- Yes
Dr. Denny's MIPS scores, performance year 2024
- 83of 100Final score
- 72.9of 100Quality
- 100of 100Promoting Interoperability
- 40of 100Improvement Activities
- 68of 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. Mary Carter Denny has 10 publications on record
Dmand AI links 10 papers to Dr. Denny, published from 2014 to 2023. 2016 was the busiest year, with 2. The most frequent topics are Stroke, Brain Ischemia and Patient Education as Topic. Dr. Denny has published most often in Neurohospitalist. Dr. Denny's most frequent co-authors are Sean Isaac Savitz, MD, Anjail Zarinah Sharrief, MD and Nathan Andrew Bicher, MD.
Dr. Denny's papers by year, 2014 to 2023
Topics Dr. Denny writes about most
- Stroke
- Brain Ischemia
- Patient Education as Topic
- Thrombectomy
Dr. Denny's most frequent co-authors
- Sean Isaac Savitz, MD4 shared papers
- Anjail Zarinah Sharrief, MD3 shared papers
- Nathan Andrew Bicher, MD1 shared paper
Recent publications by Dr. Denny
See who Dr. Denny researches with
Physician Network Discovery turns co-authorship, shared hospitals and shared groups into a map of who Dr. Denny works with, so you can find a warm path to the right neurologists.
Sources: PubMed (National Library of Medicine); and Dmand AI Research Linkage
Dr. Mary Carter Denny received $6,309 in industry payments from 2016 to 2025
CMS Open Payments shows 21 general payments to Dr. Denny from 5 drug and device companies from 2016 to 2025. Speaker and faculty fees make up the largest share, 34% of the total. Abbott Laboratories paid the most, $5,881.
General payments to Dr. Denny by program year, 2016 to 2025
General payments to Dr. Denny by kind, 2016 to 2025
- Speaker and faculty fees$2,13834%
- Travel and lodging$1,91930%
- Compensation for serving as faculty or as a speaker for a medical education program$1,35021%
- Food and beverage$75312%
- Consulting fees$1502%
Companies that paid Dr. Denny 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. Mary Carter Denny graduated from Tulane School of Medicine
Dr. Denny graduated from Tulane School of Medicine in 2010.
- Medical school
- Board certified in neurology
- Board certified in vascular neurology
Source: Dmand AI Professional Profile Data
Dr. Mary Carter Denny accepts plans from 17 insurance carriers
Dr. Denny is in network with 17 carriers, including Aetna, United Healthcare and Blue Cross Blue Shield of Michigan. PPO plans come from the most carriers, 12. Check the plan with the practice before a visit.
- Aetna
- United Healthcare
- Blue Cross Blue Shield of Michigan
- CareFirst BlueCross BlueShield
- Cigna
- Elevance
- HCSC
- Blue Cross Blue Shield of Massachusetts
- +9 more carriersWith a free account
Plan types Dr. Denny accepts, by number of carriers
- PPO12
- Medicare9
- HMO8
- EPO4
- POS4
Source: Dmand AI Insurance Network Data
Sources for Dr. Mary Carter Denny'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 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) |
| Publications, topics and co-authors | PubMed (National Library of Medicine) (opens in a new tab)Dmand AI Research Linkage |
| Industry payments | Open Payments (CMS) (opens in a new tab) |
| Training, board certification and memberships | Dmand AI Professional Profile Data |
| Insurance carriers and plan types | Dmand AI Insurance Network 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. Mary Carter Denny
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. Mary Carter Denny's NPI number?
Dr. Mary Carter Denny's NPI number is 1558688994. It was assigned on April 26, 2010, and it is active in the NPI Registry.
What kind of doctor is Dr. Mary Carter Denny?
Dr. Mary Carter Denny is a neurologist in Washington, District of Columbia. The primary specialty in the NPI Registry is Neurology Physician (taxonomy code 2084N0400X).
Where does Dr. Mary Carter Denny practice?
Dr. Denny practices at 3800 Reservoir NW Rd, Washington, DC 20007. Dr. Denny's primary practice is Medstar Georgetown Medical Center in Washington, District of Columbia. Dmand AI also links Dr. Denny to 2 hospitals, 2 medical groups and 1 group practice or clinic.
What is Dr. Mary Carter Denny's office phone number?
The practice phone on file for Dr. Denny is (202) 444-1400.
What is Dr. Mary Carter Denny's medical license number?
Dr. Denny's Texas license number on file is Q1129, one of the licenses on file in 5 states.
Which states has Dr. Mary Carter Denny been licensed in?
Dmand AI has state licenses on file for Dr. Denny in Texas (2014 to 2017), District of Columbia (2011 to 2026), Maryland (2016 to 2026), Virginia (2020 to 2026) and Pennsylvania (2014).
Which hospitals is Dr. Mary Carter Denny affiliated with?
Dr. Denny is affiliated with MedStar Washington Hospital Center. Dmand AI links Dr. Denny to 2 more hospitals.
What medical group is Dr. Mary Carter Denny part of?
Dr. Denny is linked to MedStar Medical Group. Dmand AI links Dr. Denny to 2 more medical groups.
Does Dr. Mary Carter Denny accept Medicare?
Yes. CMS data shows Dr. Denny billed Medicare for 408 services in 2024, and Dr. Denny accepts Medicare assignment.
Does Dr. Mary Carter Denny offer telehealth?
Yes. The CMS Doctors and Clinicians file lists Dr. Denny as offering telehealth services.
Show 11 more questionsShow fewer questions
What is Dr. Mary Carter Denny's MIPS score?
Dr. Denny's MIPS final score for performance year 2024 is 83 out of 100, reported as part of a group.
How many Medicare patients does Dr. Mary Carter Denny see?
CMS counts 225 Medicare patients who saw Dr. Denny in 2024, with an average age of 75.
Is Dr. Mary Carter Denny board certified?
Yes. Dr. Denny is board certified in neurology by the American Board of Psychiatry and Neurology.
What services does Dr. Mary Carter Denny bill to Medicare?
In 2024, Dr. Denny's most billed Medicare services were office visit, established patient (99215), hospital inpatient care (99233) and critical care (99291).
Where did Dr. Mary Carter Denny go to medical school?
Dr. Denny graduated from Tulane School of Medicine in 2010.
What drugs does Dr. Mary Carter Denny prescribe most?
In 2024 Medicare Part D data, Dr. Denny's most prescribed drugs by claims were Atorvastatin Calcium, Eliquis and Nortriptyline HCl.
Has Dr. Mary Carter Denny received payments from drug or device companies?
CMS Open Payments shows $6,309 in general payments to Dr. Denny from 5 companies from 2016 to 2025. The largest total came from Abbott Laboratories.
How long has Dr. Mary Carter Denny been practicing?
Dr. Denny graduated from medical school in 2010, 16 years ago.
Does Dr. Mary Carter Denny do research?
Dmand AI links 10 publications to Dr. Denny, published from 2014 to 2023.
Who does Dr. Mary Carter Denny publish with?
Dr. Denny's most frequent co-authors are Sean Isaac Savitz, MD (4 shared papers), Anjail Zarinah Sharrief, MD (3 shared papers) and Nathan Andrew Bicher, MD (1 shared paper).
What insurance does Dr. Mary Carter Denny accept?
Dr. Denny is in network with 17 carriers, including Aetna, United Healthcare and Blue Cross Blue Shield of Michigan. PPO plans come from the most carriers, 12. Check the plan with the practice before a visit.
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