Dr. Eric H. Twerdahl Jr., MD
- Medicare patients, 2024
- 19
- Publications
- 7
- Hospital affiliations
- 3
- Industry payments
- $1,341
- Medical groups
- 8
- Practice address
- 900 23rd St NW, Washington, DC 20037
- Practice phone
- Call (202) 716-4605
- Professional email
- Get professional email
- Personal email
- Get personal email
- Mobile number
- Get mobile number
Primary practice
Find Dr. Twerdahl'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. Eric H. Twerdahl Jr. is a vascular surgeon in Washington, District of Columbia
Dr. Twerdahl practices at The George Washington University Hospital in Washington, District of Columbia, part of Universal Health Services.
Dr. Twerdahl's NPI, 1093035461, was assigned on June 8, 2010. Dr. Twerdahl graduated from Harvard Medical School in 2010. Dr. Twerdahl holds District of Columbia license MD210001833.
- NPI
- 1093035461NPI Registry (opens in a new tab)
- Medicare PAC ID
- 7012170509
- NPI enumeration date
- June 8, 2010
- NPI status
- Active
- Accepts Medicare assignment
- Yes
- Practice phone
- (202) 716-4605
- Professional email
- Get email
- Personal email
- Get email
- Mobile number
- Get number
- Sex
- Male
- Estimated age
- 42
- Medical school graduation
- 2010
Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; Dmand AI Affiliation Data; and Doctors and Clinicians National Downloadable File (CMS)
Dr. Eric H. Twerdahl Jr. practices at The George Washington University Hospital in Washington, District of Columbia
Dr. Twerdahl's primary practice is The George Washington University Hospital, at 900 23rd St NW, Washington, DC 20037 in The District County. The practice phone is (202) 716-4605.
- The George Washington University Hospital900 23rd St NW, Washington, DC 20037 · The District CountyPhone(202) 716-4605
Source: Dmand AI Affiliation Data
Dr. Eric H. Twerdahl Jr. is affiliated with 7 sites of care and 8 medical groups
Dr. Twerdahl's primary practice is The George Washington University Hospital in Washington, District of Columbia, part of Universal Health Services. Dr. Twerdahl is also affiliated with Dartmouth Hitchcock Medical Center. The medical group on file is UVA Physicians Group. Dmand AI also links Dr. Twerdahl to 1 more hospital, 7 medical groups and 4 group practices and clinics, each named with a free account.
Sources: Dmand AI Affiliation Data; and Dmand AI Org Hierarchy Data
Dmand AI tracks the EHR system at Dr. Eric H. Twerdahl Jr.'s practice
Dmand AI tracks the electronic health record (EHR) system at each site where Dr. Twerdahl practices, 7 sites in all. Vendor and product names are available with a free account.
| Site | EHR vendor and product |
|---|---|
| The George Washington University Hospital | Available with a free account |
| +6 more sites and 7 medical groups | 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 Universal Health Services and 6.2K+ hospitals, with verified contacts in the same login.
Dr. Eric H. Twerdahl Jr. is one of 28 vascular surgeons in District of Columbia
Vascular surgery is Dr. Twerdahl's primary specialty in the NPI Registry, under taxonomy code 2086S0129X. Dmand AI has Dr. Twerdahl's licenses on file in 3 states: District of Columbia, Massachusetts and Virginia.
Specialties and state licenses
- Vascular surgery, District of ColumbiaPrimary
- Surgery, Massachusetts
- Virginia license
Vascular surgeons near Dr. Twerdahl
Counts of vascular 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. Eric H. Twerdahl Jr. treated 19 Medicare patients in 2024, average age 73
CMS counts 19 Medicare patients who saw Dr. Twerdahl in 2024. 75% of them have high blood pressure, and 75% have high cholesterol. Their average risk score is 3.71, 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. Twerdahl's median patient age at 68, with 47% women.
Chronic conditions among Dr. Twerdahl's Medicare patients, 2024
- High blood pressure75%
- High cholesterol75%
- Ischemic heart disease75%
- COPD68%
- Diabetes63%
- Heart failure63%
Share of Medicare patients with each condition. A patient can have several.
Dr. Twerdahl's patients across all payers
Dmand AI patient panel data covers Medicare, Medicaid and commercial patients.
Patient panel by age, all payers
Median age 68
Patient panel by sex, all payers
- Women47%
- Men53%
Sources: Dmand AI Patient Panel Data; and Medicare Physician & Other Practitioners - by Provider (CMS), 2024 data
How Dr. Eric H. Twerdahl Jr. takes part in Medicare
Dr. Twerdahl accepts Medicare assignment, so Medicare's approved amount is taken as full payment.
- Accepts Medicare assignment
- Yes
Leg revascularization (restoring blood flow): 1 to 10 procedures (CMS shows small counts as a range)
Removal of tissue: 1 to 10 procedures (CMS shows small counts as a range)
Sources: Doctors and Clinicians National Downloadable File (CMS); and Doctors and Clinicians Utilization Data (CMS)
Dr. Eric H. Twerdahl Jr. has 7 publications on record
Dmand AI links 7 papers to Dr. Twerdahl, published from 2015 to 2024. 2022 was the busiest year, with 2. Dr. Twerdahl's most frequent co-authors are Elizabeth L. Chou, MD, Christina L. Costantino, MD and Richard Aaron Hodin, MD.
Dr. Twerdahl's papers by year, 2015 to 2024
Dr. Twerdahl's most frequent co-authors
- Elizabeth L. Chou, MD1 shared paper
- Christina L. Costantino, MD1 shared paper
- Richard Aaron Hodin, MD1 shared paper
Recent publications by Dr. Twerdahl
See who Dr. Twerdahl researches with
Physician Network Discovery turns co-authorship, shared hospitals and shared groups into a map of who Dr. Twerdahl works with, so you can find a warm path to the right vascular surgeons.
Sources: PubMed (National Library of Medicine); and Dmand AI Research Linkage
Dr. Eric H. Twerdahl Jr. received $1,341 in industry payments from 2016 to 2022
CMS Open Payments shows 26 general payments to Dr. Twerdahl from 7 drug and device companies from 2016 to 2022. Food and beverage make up the largest share, 65% of the total. Medtronic Vascular, Inc. paid the most, $582.
General payments to Dr. Twerdahl by program year, 2016 to 2022
General payments to Dr. Twerdahl by kind, 2016 to 2022
- Food and beverage$86865%
- Education$43933%
- Travel and lodging$332%
Companies that paid Dr. Twerdahl the most, 2016 to 2022
Share is of all general payments to this clinician.
Source: Open Payments (CMS), 2025 data, released July 7, 2026
Dr. Eric H. Twerdahl Jr. graduated from Harvard Medical School
Dr. Twerdahl graduated from Harvard Medical School in 2010.
- Medical school
Source: Dmand AI Professional Profile Data
Sources for Dr. Eric H. Twerdahl Jr.'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) |
| MIPS scores, telehealth, assignment and procedure percentiles | Doctors and Clinicians National Downloadable File (CMS) (opens in a new tab)Doctors and Clinicians Utilization Data (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 |
| 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. Eric H. Twerdahl Jr.
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. Eric H. Twerdahl Jr.'s NPI number?
Dr. Eric H. Twerdahl Jr.'s NPI number is 1093035461. It was assigned on June 8, 2010, and it is active in the NPI Registry.
What kind of doctor is Dr. Eric H. Twerdahl Jr.?
Dr. Eric H. Twerdahl Jr. is a vascular surgeon in Washington, District of Columbia. The primary specialty in the NPI Registry is Vascular Surgery Physician (taxonomy code 2086S0129X).
Where does Dr. Eric H. Twerdahl Jr. practice?
Dr. Twerdahl practices at 900 23rd St NW, Washington, DC 20037. Dr. Twerdahl's primary practice is The George Washington University Hospital in Washington, District of Columbia, part of Universal Health Services. Dmand AI also links Dr. Twerdahl to 1 hospital, 7 medical groups and 4 group practices and clinics.
What is Dr. Eric H. Twerdahl Jr.'s office phone number?
The practice phone on file for Dr. Twerdahl is (202) 716-4605.
What is Dr. Eric H. Twerdahl Jr.'s medical license number?
Dr. Twerdahl holds District of Columbia license MD210001833, one of the licenses on file in 3 states.
Which states has Dr. Eric H. Twerdahl Jr. been licensed in?
Dmand AI has state licenses on file for Dr. Twerdahl in District of Columbia, Massachusetts and Virginia.
Which hospitals is Dr. Eric H. Twerdahl Jr. affiliated with?
Dr. Twerdahl practices at The George Washington University Hospital in Washington, District of Columbia. Dr. Twerdahl is also affiliated with Dartmouth Hitchcock Medical Center. Dmand AI links Dr. Twerdahl to 1 more hospital.
What medical group is Dr. Eric H. Twerdahl Jr. part of?
Dr. Twerdahl is linked to UVA Physicians Group. Dmand AI links Dr. Twerdahl to 7 more medical groups.
Does Dr. Eric H. Twerdahl Jr. accept Medicare?
Yes. CMS lists Dr. Twerdahl as accepting Medicare assignment.
How many Medicare patients does Dr. Eric H. Twerdahl Jr. see?
CMS counts 19 Medicare patients who saw Dr. Twerdahl in 2024, with an average age of 73.
Show 5 more questionsShow fewer questions
Where did Dr. Eric H. Twerdahl Jr. go to medical school?
Dr. Twerdahl graduated from Harvard Medical School in 2010.
Has Dr. Eric H. Twerdahl Jr. received payments from drug or device companies?
CMS Open Payments shows $1,341 in general payments to Dr. Twerdahl from 7 companies from 2016 to 2022. The largest total came from Medtronic Vascular, Inc.
How long has Dr. Eric H. Twerdahl Jr. been practicing?
Dr. Twerdahl graduated from medical school in 2010, 16 years ago.
Does Dr. Eric H. Twerdahl Jr. do research?
Dmand AI links 7 publications to Dr. Twerdahl, published from 2015 to 2024.
Who does Dr. Eric H. Twerdahl Jr. publish with?
Dr. Twerdahl's most frequent co-authors are Elizabeth L. Chou, MD (1 shared paper), Christina L. Costantino, MD (1 shared paper) and Richard Aaron Hodin, MD (1 shared paper).
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