Dr. Tacy E. Downing, MD

  • Washington, DC
  • Pediatric cardiology physician
NPI1164697603PAC ID4284854050
Publications
24
Hospital affiliations
1
Industry payments
$10,140
Medical group
1
State licenses
2
Practice address
111 Michigan Ave, NW, Washington, DC 20010
Practice phone
Call (202) 476-5000
Professional email
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Personal email
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Mobile number
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Social profiles

Primary practice

Children's National Hospital

Hospital · Washington, District of Columbia

See all 3 affiliations

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Dr. Tacy E. Downing is a pediatric cardiology physician in Washington, District of Columbia

Dr. Downing practices at Children's National Hospital in Washington, District of Columbia, part of Children's National Hospital.

Dr. Downing's NPI, 1164697603, was assigned on April 25, 2008. Dr. Downing graduated from Duke University School of Medicine in 2007. Dr. Downing holds Florida license ME 129092.

NPI and contact details
Medicare PAC ID
4284854050
NPI enumeration date
April 25, 2008
NPI status
Active
Accepts Medicare assignment
Yes
Practice phone
(202) 476-5000
Professional email
Get email
Personal email
Get email
Mobile number
Get number
Sex
Female
Estimated age
45
Medical school graduation
2007

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

Dr. Tacy E. Downing practices at Children's National Hospital in Washington, District of Columbia

Dr. Downing's primary practice is Children's National Hospital, at 111 Michigan Ave, NW, Washington, DC 20010 in The District County. The practice phone is (202) 476-5000.

Source: Dmand AI Affiliation Data

Dr. Tacy E. Downing is affiliated with 2 sites of care and 1 medical group

Dr. Downing's primary practice is Children's National Hospital in Washington, District of Columbia, part of Children's National Hospital. The medical group on file is Children's National Hospital. Dmand AI also links Dr. Downing to 1 more dialysis center, named with a free account.

See all 3 affiliations for Dr. Downing

Sources: Dmand AI Affiliation Data; and Dmand AI Org Hierarchy Data

Dmand AI tracks the EHR system at Dr. Tacy E. Downing's practice

Dmand AI tracks the electronic health record (EHR) system at each site where Dr. Downing practices, 2 sites in all. Vendor and product names are available with a free account.

EHR by site
SiteEHR vendor and product
Children's National HospitalAvailable with a free account
+1 more affiliated siteAvailable 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 Children's National Hospital and 6.2K+ hospitals, with verified contacts in the same login.

Dr. Tacy E. Downing is one of 56 pediatric cardiology physicians in District of Columbia

Pediatric cardiology is Dr. Downing's primary specialty in the NPI Registry, under taxonomy code 2080P0202X. Dmand AI has Dr. Downing's licenses on file in 2 states: Florida and Pennsylvania.

Specialties and state licenses

  • Pediatric cardiology, FloridaPrimaryLicense ME 129092 · taxonomy 2080P0202X
  • Pennsylvania licenseLicense MD445922

Pediatric cardiology physicians near Dr. Downing

Counts of pediatric cardiology physicians 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. Tacy E. Downing's patients have a median age of 13

Across all payers, Dmand AI patient panel data puts Dr. Downing's median patient age at 13, with 50% women.

Dr. Downing's patients across all payers

Dmand AI patient panel data covers Medicare, Medicaid and commercial patients.

Patient panel by age, all payers

Median age 13

Patient panel by sex, all payers

  • Women50%
  • Men48%

Source: Dmand AI Patient Panel Data

How Dr. Tacy E. Downing takes part in Medicare

Dr. Downing 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)

Dr. Tacy E. Downing has 24 publications on record

Dmand AI links 24 papers to Dr. Downing, published from 2013 to 2025. 2023 was the busiest year, with 5. The most frequent topics are Fontan Procedure, Cardiac Catheterization and Heart Defects, Congenital. Dr. Downing has published most often in Pediatr Cardiol. Dr. Downing's most frequent co-authors are Joshua P. Kanter, MD, Laura Jean Olivieri, MD and Stephanie Fuller, MD.

Papers24
Years published2013 to 2025

Dr. Downing's papers by year, 2013 to 2025

Topics Dr. Downing writes about most

  • Fontan Procedure
  • Cardiac Catheterization
  • Heart Defects, Congenital
  • Palliative Care
  • Heart Transplantation
  • Magnetic Resonance Imaging
  • Postoperative Complications
  • Pulmonary Artery

Dr. Downing's most frequent co-authors

Recent publications by Dr. Downing

See all 24 publications and co-authors

See who Dr. Downing researches with

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

How network discovery works

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

Dr. Tacy E. Downing received $10,140 in industry payments from 2016 to 2025

CMS Open Payments shows 116 general payments to Dr. Downing from 17 drug and device companies from 2016 to 2025. Food and beverage make up the largest share, 56% of the total. Medtronic, Inc. paid the most, $7,380.

General payments to Dr. Downing by program year, 2016 to 2025

General payments to Dr. Downing by kind, 2016 to 2025

$10.1Kin total
  • Food and beverage$5,65056%
  • Travel and lodging$3,68936%
  • Grants$7848%
  • Education$170%

Companies that paid Dr. Downing the most, 2016 to 2025

Share is of all general payments to this clinician.

See all payments to Dr. Downing

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

Dr. Tacy E. Downing graduated from Duke University School of Medicine

Dr. Downing graduated from Duke University School of Medicine in 2007.

  1. Medical schoolDuke University School of Medicine

Source: Dmand AI Professional Profile Data

Sources for Dr. Tacy E. Downing'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 Data
Primary practice, affiliations and health systemDmand AI Affiliation DataDmand AI Org Hierarchy Data
Medicare patients and the all-payer patient panelDmand AI Patient Panel Data
MIPS scores, telehealth, assignment and procedure percentilesDoctors and Clinicians National Downloadable File (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)
Training, board certification and membershipsDmand AI Professional Profile Data
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. Tacy E. Downing

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. Tacy E. Downing's NPI number?

Dr. Tacy E. Downing's NPI number is 1164697603. It was assigned on April 25, 2008, and it is active in the NPI Registry.

What kind of doctor is Dr. Tacy E. Downing?

Dr. Tacy E. Downing is a pediatric cardiology physician in Washington, District of Columbia. The primary specialty in the NPI Registry is Pediatric Cardiology Physician (taxonomy code 2080P0202X).

Where does Dr. Tacy E. Downing practice?

Dr. Downing practices at 111 Michigan Ave, NW, Washington, DC 20010. Dr. Downing's primary practice is Children's National Hospital in Washington, District of Columbia, part of Children's National Hospital. Dmand AI also links Dr. Downing to 1 dialysis center.

What is Dr. Tacy E. Downing's office phone number?

The practice phone on file for Dr. Downing is (202) 476-5000.

What is Dr. Tacy E. Downing's medical license number?

Dr. Downing holds Florida license ME 129092, one of the licenses on file in 2 states.

Which states has Dr. Tacy E. Downing been licensed in?

Dmand AI has state licenses on file for Dr. Downing in Florida and Pennsylvania.

Which hospitals is Dr. Tacy E. Downing affiliated with?

Dr. Downing practices at Children's National Hospital in Washington, District of Columbia.

What medical group is Dr. Tacy E. Downing part of?

Dr. Downing is linked to Children's National Hospital.

Does Dr. Tacy E. Downing accept Medicare?

Yes. CMS lists Dr. Downing as accepting Medicare assignment.

Where did Dr. Tacy E. Downing go to medical school?

Dr. Downing graduated from Duke University School of Medicine in 2007.

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Has Dr. Tacy E. Downing received payments from drug or device companies?

CMS Open Payments shows $10,140 in general payments to Dr. Downing from 17 companies from 2016 to 2025. The largest total came from Medtronic, Inc.

How long has Dr. Tacy E. Downing been practicing?

Dr. Downing graduated from medical school in 2007, 19 years ago.

Does Dr. Tacy E. Downing do research?

Dmand AI links 24 publications to Dr. Downing, published from 2013 to 2025.

Who does Dr. Tacy E. Downing publish with?

Dr. Downing's most frequent co-authors are Joshua P. Kanter, MD (4 shared papers), Laura Jean Olivieri, MD (4 shared papers) and Stephanie Fuller, MD (3 shared papers).

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